Patent application number | Description | Published |
20120192913 | MIXED TEMPERATURE DEPOSITION OF THIN FILM SILICON TANDEM CELLS - Fabrication of a tandem photovoltaic device includes forming a bottom cell having an N-type layer, a P-type layer and a bottom intrinsic layer therebetween. A top cell is formed relative to the bottom cell. The top cell has an N-type layer, a P-type layer and a top intrinsic layer therebetween. The top intrinsic layer is formed of an undoped material deposited at a temperature that is different from the bottom intrinsic layer such that band gap energies for the top intrinsic layer and the bottom intrinsic layer are progressively lower for each cell. | 08-02-2012 |
20120216862 | Silicon: Hydrogen Photovoltaic Devices, Such As Solar Cells, Having Reduced Light Induced Degradation And Method Of Making Such Devices - A method of producing a photovoltaic device includes providing a stretchable substrate for the photovoltaic device; and stretching the substrate to produce a stretched substrate. The method further includes depositing a structure comprising hydrogenated amorphous silicon onto the stretched substrate; and subjecting the deposited hydrogenated amorphous silicon structure and the stretched substrate to a compressive force to form a compressively strained photovoltaic device. | 08-30-2012 |
20120318335 | TANDEM SOLAR CELL WITH IMPROVED TUNNEL JUNCTION - A photovoltaic device and method for fabricating a photovoltaic device include forming a light-absorbing semiconductor structure on a transmissive substrate including a first doped layer and forming an intrinsic layer on the first doped layer, wherein the intrinsic layer includes an amorphous material. The intrinsic layer is treated with a plasma to form seed sites. A first tunnel junction layer is formed on the intrinsic layer by growing microcrystals from the seed sites. | 12-20-2012 |
20120318342 | UNIFORMLY DISTRIBUTED SELF-ASSEMBLED CONE-SHAPED PILLARS FOR HIGH EFFICIENCY SOLAR CELLS - A method for fabricating a photovoltaic device includes applying a diblock copolymer layer on a substrate and removing a first polymer material from the diblock copolymer layer to form a plurality of distributed pores. A pattern forming layer is deposited on a remaining surface of the diblock copolymer layer and in the pores in contact with the substrate. The diblock copolymer layer is lifted off and portions of the pattern forming layer are left in contact with the substrate. The substrate is etched using the pattern forming layer to protect portions of the substrate to form pillars in the substrate such that the pillars provide a radiation absorbing structure in the photovoltaic device. | 12-20-2012 |
20120325305 | OHMIC CONTACT BETWEEN THIN FILM SOLAR CELL AND CARBON-BASED TRANSPARENT ELECTRODE - A photovoltaic device and method include a photovoltaic stack having an N-doped layer, a P-doped layer and an intrinsic layer. A transparent electrode is formed on the photovoltaic stack and includes a carbon based layer and a high work function metal layer. The high work function metal layer is disposed at an interface between the carbon based layer and the P-doped layer such that the high work function metal layer forms a reduced barrier contact and is light transmissive. | 12-27-2012 |
20130000704 | THREE-DIMENSIONAL CONDUCTIVE ELECTRODE FOR SOLAR CELL - A photovoltaic device and method include forming a plurality of pillar structures in a substrate, forming a first electrode layer on the pillar structures and forming a continuous photovoltaic stack including an N-type layer, a P-type layer and an intrinsic layer on the first electrode. A second electrode layer is deposited over the photovoltaic stack such that gaps or fissures occur in the second electrode layer between the pillar structures. The second electrode layer is wet etched to open up the gaps or fissures and reduce the second electrode layer to form a three-dimensional electrode of substantially uniform thickness over the photovoltaic stack. | 01-03-2013 |
20130000706 | TANDEM SOLAR CELL WITH IMPROVED TUNNEL JUNCTION - A photovoltaic device and method for fabricating a photovoltaic device include forming a light-absorbing semiconductor structure on a transmissive substrate including a first doped layer and forming an intrinsic layer on the first doped layer, wherein the intrinsic layer includes an amorphous material. The intrinsic layer is treated with a plasma to form seed sites. A first tunnel junction layer is formed on the intrinsic layer by growing microcrystals from the seed sites. | 01-03-2013 |
20130001657 | SELF-ALIGNED III-V MOSFET DIFFUSION REGIONS AND SILICIDE-LIKE ALLOY CONTACT - A metal oxide semiconductor field effect transistor and method for forming the same include exposing portions on a substrate adjacent to a gate stack, forming a dopant layer over the gate stack and in contact with the substrate in the portions exposed and annealing the dopant layer to drive dopants into the substrate to form self-aligned dopant regions in the substrate. The dopant layer is removed. A metal containing layer is deposited over the gate stack and in contact with the substrate in the exposed portions. The metal containing layer is annealed to drive metal into the substrate to form self-aligned contact regions in a metal alloy formed in the substrate within the dopant regions. The metal layer is then removed. | 01-03-2013 |
20130001659 | SELF-ALIGNED III-V MOSFET DIFFUSION REGIONS AND SILICIDE-LIKE ALLOY CONTACT - A metal oxide semiconductor field effect transistor and method for forming the same include exposing portions on a substrate adjacent to a gate stack, forming a dopant layer over the gate stack and in contact with the substrate in the portions exposed and annealing the dopant layer to drive dopants into the substrate to form self-aligned dopant regions in the substrate. The dopant layer is removed. A metal containing layer is deposited over the gate stack and in contact with the substrate in the exposed portions. The metal containing layer is annealed to drive metal into the substrate to form self-aligned contact regions in a metal alloy formed in the substrate within the dopant regions. The metal layer is then removed. | 01-03-2013 |
20130019929 | REDUCTION OF LIGHT INDUCED DEGRADATION BY MINIMIZING BAND OFFSET - A device and method for reducing degradation in a photovoltaic device includes adjusting a band offset of the device during one or more of forming an electrode, forming a first doped layer or forming an intrinsic layer. The adjusting reduces a band offset between one or more of the electrode, the first doped layer and the intrinsic layer to reduce light-induced degradation of the device. A second doped layer is formed on the intrinsic layer. | 01-24-2013 |
20130049150 | FORMATION OF METAL NANOSPHERES AND MICROSPHERES - Hemispheres and spheres are formed and employed for a plurality of applications. Hemispheres are employed to form a substrate having an upper surface and a lower surface. The upper surface includes peaks of pillars which have a base attached to the lower surface. The peaks have a density defined at the upper surface by an array of hemispherical metal structures that act as a mask during an etch to remove substrate material down to the lower surface during formation of the pillars. The pillars are dense and uniform and include a microscale average diameter. The spheres are formed as independent metal spheres or nanoparticles for other applications. | 02-28-2013 |
20130092213 | EFFICIENCY RESTORATION IN A PHOTOVOLTAIC CELL - The electrical output efficiency of a photovoltaic thermal system can be restored from degradation due to light exposure by annealing a photovoltaic thermal cell at an elevated temperature. The elevated temperature at the photovoltaic thermal cell can be provided by redirecting the flow of a heat exchange fluid to bypass a heat exchanger unit. A boiler unit may be employed to provide additional heating of the heat exchange fluid during the anneal. Further, a variable configuration lid can be provided over a front surface of the photovoltaic thermal cell to control ventilation over the front surface. During the anneal, the position of the variable configuration lid can be set so as to trap heat above the front surface and to elevate the anneal temperature further. | 04-18-2013 |
20130092214 | EFFICIENCY RESTORATION IN A PHOTOVOLTAIC CELL - The electrical output efficiency of a photovoltaic thermal system can be restored from degradation due to light exposure by annealing a photovoltaic thermal cell at an elevated temperature. The elevated temperature at the photovoltaic thermal cell can be provided by redirecting the flow of a heat exchange fluid to bypass a heat exchanger unit. A boiler unit may be employed to provide additional heating of the heat exchange fluid during the anneal. Further, a variable configuration lid can be provided over a front surface of the photovoltaic thermal cell to control ventilation over the front surface. During the anneal, the position of the variable configuration lid can be set so as to trap heat above the front surface and to elevate the anneal temperature further. | 04-18-2013 |
20130095599 | PHOTOVOLTAIC DEVICE USING NANO-SPHERES FOR TEXTURED ELECTRODES - An electronic device includes a substrate and a plurality of particles anchored to the substrate. An electrode material is formed over the particles and configured to form peaks over the particles. One or more operational layers are fog led over the electrode material for performing a device function. | 04-18-2013 |
20130118565 | TEMPERATURE GRADING FOR BAND GAP ENGINEERING OF PHOTOVOLTAIC DEVICES - A method for fabricating a photovoltaic device includes depositing a p-type layer at a first temperature and depositing an intrinsic layer while gradually increasing a deposition temperature to a final temperature. The intrinsic layer deposition is completed at the final temperature. An n-type layer is formed on the intrinsic layer. | 05-16-2013 |
20130221373 | SOLAR CELL MADE USING A BARRIER LAYER BETWEEN P-TYPE AND INTRINSIC LAYERS - A method for forming a photovoltaic device includes depositing a p-type layer on a substrate. A barrier layer is formed on the p-type layer by exposing the p-type layer to an oxidizing agent. An intrinsic layer is formed on the barrier layer, and an n-type layer is formed on the intrinsic layer. | 08-29-2013 |
20130221464 | REDUCED LIGHT DEGRADATION DUE TO LOW POWER DEPOSITION OF BUFFER LAYER - Methods for forming a photovoltaic device include forming a buffer layer between a transparent electrode and a p-type layer. The buffer layer includes a work function that falls substantially in a middle of a barrier formed between the transparent electrode and the p-type layer to provide a greater resistance to light induced degradation. An intrinsic layer and an n-type layer are formed over the p-type layer. | 08-29-2013 |
20130224899 | ENHANCING EFFICIENCY IN SOLAR CELLS BY ADJUSTING DEPOSITION POWER - Methods for forming a photovoltaic device include adjusting a deposition power for depositing a buffer layer including germanium on a transparent electrode. The deposition power is configured to improve device efficiency. A p-type layer is formed on the buffer layer. An intrinsic layer and an n-type layer are formed over the p-type layer. | 08-29-2013 |
20130224900 | SOLAR CELL MADE IN A SINGLE PROCESSING CHAMBER - Methods for forming a photovoltaic device include depositing a p-type layer on a substrate and cleaning the p-type layer by exposing a surface of the p-type layer to a plasma treatment to react with contaminants. An intrinsic layer is formed on the p-type layer, and an n-type layer is formed on the intrinsic layer. | 08-29-2013 |
20130298971 | COST-EFFICENT HIGH POWER PECVD DEPOSITION FOR SOLAR CELLS - A method for forming a photovoltaic device includes providing a substrate. A layer is deposited to form one or more layers of a photovoltaic stack on the substrate. The depositing of the amorphous layer includes performing a high power flash deposition for depositing a first portion of the layer. A low power deposition is performed for depositing a second portion of the layer. | 11-14-2013 |
20130298980 | CONE-SHAPED HOLES FOR HIGH EFFICIENCY THIN FILM SOLAR CELLS - A photovoltaic device includes a substrate having a plurality of hole shapes formed therein. The plurality of hole shapes each have a hole opening extending from a first surface and narrowing with depth into the substrate. The plurality of hole shapes form a hole pattern on the first surface, and the hole pattern includes flat areas separating the hole shapes on the first surface. A photovoltaic device stack is formed on the first surface and extends into the hole shapes. Methods are also provided. | 11-14-2013 |
20130316538 | SURFACE MORPHOLOGY GENERATION AND TRANSFER BY SPALLING - The generation of surface patterns or the replication of surface patterns is achieved in the present disclosure without the need to employ an etching process. Instead, a unique fracture mode referred to as spalling is used in the present disclosure to generate or replicate surface patterns. In the case of surface pattern generation, a surface pattern is provided in a stressor layer and then spalling is performed. In the case of surface pattern replication, a surface pattern is formed within or on a surface of a base substrate, and then a stressor layer is applied. After applying the stressor layer, spalling is performed. Generation or replication of surface patterns utilizing spalling provides a low cost means for generation or replication of surface patterns. | 11-28-2013 |
20140000692 | TRANSPARENT CONDUCTIVE ELECTRODE FOR THREE DIMENSIONAL PHOTOVOLTAIC DEVICE | 01-02-2014 |
20140004648 | TRANSPARENT CONDUCTIVE ELECTRODE FOR THREE DIMENSIONAL PHOTOVOLTAIC DEVICE | 01-02-2014 |
20140004651 | HIGH EFFICIENCY SOLAR CELLS FABRICATED BY INEXPENSIVE PECVD | 01-02-2014 |
20140014162 | EFFICIENCY RESTORATION IN A PHOTOVOLTAIC CELL - The electrical output efficiency of a photovoltaic thermal system can be restored from degradation due to light exposure by annealing a photovoltaic thermal cell at an elevated temperature. The elevated temperature at the photovoltaic thermal cell can be provided by redirecting the flow of a heat exchange fluid to bypass a heat exchanger unit. A boiler unit may be employed to provide additional heating of the heat exchange fluid during the anneal. Further, a variable configuration lid can be provided over a front surface of the photovoltaic thermal cell to control ventilation over the front surface. During the anneal, the position of the variable configuration lid can be set so as to trap heat above the front surface and to elevate the anneal temperature further. | 01-16-2014 |
20140060628 | UNIFORMLY DISTRIBUTED SELF-ASSEMBLED SOLDER DOT FORMATION FOR HIGH EFFICIENCY SOLAR CELLS - A substrate for photovoltaic device includes a textured surface formed from silicon-based material. The textured surface includes a plurality of cones uniformly distributed across the textured surface. The uniformly distributed cones are configured by etching from a top surface of the substrate using a self-assembled solder dot mask evaporated on the substrate prior to etching. The cones are uniformly distributed as a result of gettering a process chamber prior to forming the solder dot mask. The cones have a height/width ratio between about 1 to about 4, and the cones have a density between 10 | 03-06-2014 |
20140065752 | UNIFORMLY DISTRIBUTED SELF-ASSEMBLED SOLDER DOT FORMATION FOR HIGH EFFICIENCY SOLAR CELLS - A method for fabricating a photovoltaic device includes performing a gettering process in a processing chamber which restricts formation of a layer of gettering materials on a substrate and forming a solder layer on the substrate. The solder layer is annealed to form uniformly distributed solder dots which grow on the substrate. The substrate is etched using the solder dots to protect portions of the substrate and form cones in the substrate such that the cones provide a three-dimensional radiation absorbing structure for the photovoltaic device. | 03-06-2014 |
20140120655 | ENHANCING EFFICIENCY IN SOLAR CELLS BY ADJUSTING DEPOSITION POWER - Methods for forming a photovoltaic device include adjusting a deposition power for depositing a buffer layer including germanium on a transparent electrode. The deposition power is configured to improve device efficiency. A p-type layer is formed on the buffer layer. An intrinsic layer and an n-type layer are formed over the p-type layer. | 05-01-2014 |
20140124033 | UNIFORMLY DISTRIBUTED SELF-ASSEMBLED CONE-SHAPED PILLARS FOR HIGH EFFICIENCY SOLAR CELLS - A method for fabricating a photovoltaic device includes applying a diblock copolymer layer on a substrate and removing a first polymer material from the diblock copolymer layer to form a plurality of distributed pores. A pattern forming layer is deposited on a remaining surface of the diblock copolymer layer and in the pores in contact with the substrate. The diblock copolymer layer is lifted off and portions of the pattern forming layer are left in contact with the substrate. The substrate is etched using the pattern forming layer to protect portions of the substrate to form pillars in the substrate such that the pillars provide a radiation absorbing structure in the photovoltaic device. | 05-08-2014 |
20140124795 | DOUBLE LAYERED TRANSPARENT CONDUCTIVE OXIDE FOR REDUCED SCHOTTKY BARRIER IN PHOTOVOLTAIC DEVICES - A device and method for fabricating a photovoltaic device includes forming a double layer transparent conductive oxide on a transparent substrate. The double layer transparent conductive oxide includes forming a doped electrode layer on the substrate, and forming a buffer layer on the doped electrode layer. The buffer layer includes an undoped or p-type doped intrinsic form of a same material as the doped electrode layer. A light-absorbing semiconductor structure includes a p-type semiconductor layer on the buffer layer, an intrinsic layer and an n-type semiconductor layer. | 05-08-2014 |
20140127853 | DOUBLE LAYERED TRANSPARENT CONDUCTIVE OXIDE FOR REDUCED SCHOTTKY BARRIER IN PHOTOVOLTAIC DEVICES - A device and method for fabricating a photovoltaic device includes forming a double layer transparent conductive oxide on a transparent substrate. The double layer transparent conductive oxide includes forming a doped electrode layer on the substrate, and forming a buffer layer on the doped electrode layer. The buffer layer includes an undoped or p-type doped intrinsic form of a same material as the doped electrode layer. A light-absorbing semiconductor structure includes a p-type semiconductor layer on the buffer layer, an intrinsic layer and an n-type semiconductor layer. | 05-08-2014 |
20140216534 | BUFFER LAYER FOR HIGH PERFORMING AND LOW LIGHT DEGRADED SOLAR CELLS - Methods for forming a photovoltaic device include forming a buffer layer between a transparent electrode and a p-type layer. The buffer layer includes a doped germanium-free silicon base material. The buffer layer has a work function that falls within barrier energies of the transparent electrode and the p-type layer. An intrinsic layer and an n-type layer are formed on the p-type layer. Devices are also provided. | 08-07-2014 |
20140217408 | BUFFER LAYER FOR HIGH PERFORMING AND LOW LIGHT DEGRADED SOLAR CELLS - Methods for forming a photovoltaic device include forming a buffer layer between a transparent electrode and a p-type layer. The buffer layer includes a doped germanium-free silicon base material. The buffer layer has a work function that falls within barrier energies of the transparent electrode and the p-type layer. An intrinsic layer and an n-type layer are formed on the p-type layer. Devices are also provided. | 08-07-2014 |
20150075608 | PHOTOVOLTAIC DEVICE USING NANO-SPHERES FOR TEXTURED ELECTRODES - An electronic device includes a substrate and a plurality of particles anchored to the substrate. An electrode material is formed over the particles and configured to form peaks over the particles. One or more operational layers are formed over the electrode material for performing a device function. | 03-19-2015 |
20150108616 | MULTI-HEIGHT MULTI-COMPOSITION SEMICONDUCTOR FINS - A dielectric material layer is formed on a semiconductor-on-insulator (SOI) substrate including a top semiconductor layer containing a first semiconductor material. An opening is formed within the dielectric material layer, and a trench is formed in the top semiconductor layer within the area of the opening by an etch. A second semiconductor material is deposited to a height above the top surface of the top semiconductor layer employing a selective epitaxy process. Another dielectric material layer can be deposited, and another trench can be formed in the top semiconductor layer. Another semiconductor material can be deposited to a different height employing another selective epitaxy process. The various semiconductor material portions can be patterned to form semiconductor fins having different heights and/or different compositions. | 04-23-2015 |
20150228824 | FORMATION OF METAL NANOSPHERES AND MICROSPHERES - Hemispheres and spheres are formed and employed for a plurality of applications. Hemispheres are employed to form a substrate having an upper surface and a lower surface. The upper surface includes peaks of pillars which have a base attached to the lower surface. The peaks have a density defined at the upper surface by an array of hemispherical metal structures that act as a mask during an etch to remove substrate material down to the lower surface during formation of the pillars. The pillars are dense and uniform and include a microscale average diameter. The spheres are formed as independent metal spheres or nanoparticles for other applications. | 08-13-2015 |
20150228833 | TEMPERATURE GRADING FOR BAND GAP ENGINEERING OF PHOTOVOLTAIC DEVICES - A photovoltaic device includes a p-type layer. An intrinsic layer is formed directly on the p-type layer and includes an interface region extending into the intrinsic layer that includes a gradually decreasing band gap energy going from the p-type layer into the intrinsic layer formed by a graded deposition temperature. An n-type layer is formed directly on the intrinsic layer. | 08-13-2015 |
20150255641 | THREE-DIMENSIONAL CONDUCTIVE ELECTRODE FOR SOLAR CELL - A photovoltaic device and method include forming a plurality of pillar structures in a substrate, forming a first electrode layer on the pillar structures and forming a continuous photovoltaic stack including an N-type layer, a P-type layer and an intrinsic layer on the first electrode. A second electrode layer is deposited over the photovoltaic stack such that gaps or fissures occur in the second electrode layer between the pillar structures. The second electrode layer is wet etched to open up the gaps or fissures and reduce the second electrode layer to form a three-dimensional electrode of substantially uniform thickness over the photovoltaic stack. | 09-10-2015 |
20150255650 | COST-EFFICIENT HIGH POWER PECVD DEPOSITION FOR SOLAR CELLS - A method for forming a photovoltaic device includes providing a substrate. A layer is deposited to form one or more layers of a photovoltaic stack on the substrate. The depositing of the amorphous layer includes performing a high power flash deposition for depositing a first portion of the layer. A low power deposition is performed for depositing a second portion of the layer. | 09-10-2015 |
20150263191 | CONE-SHAPED HOLES FOR HIGH EFFICIENCY THIN FILM SOLAR CELLS - A photovoltaic device includes a substrate having a plurality of hole shapes formed therein. The plurality of hole shapes each have a hole opening extending from a first surface and narrowing with depth into the substrate. The plurality of hole shapes form a hole pattern on the first surface, and the hole pattern includes flat areas separating the hole shapes on the first surface. A photovoltaic device stack is formed on the first surface and extends into the hole shapes. Methods are also provided. | 09-17-2015 |
20150270428 | REDUCTION OF LIGHT INDUCED DEGRADATION IN THIN FILM SILICON SOLAR CELLS - A device and method for reducing degradation in a photovoltaic device includes adjusting a band offset of the device during one or more of forming an electrode, forming a first doped layer or forming an intrinsic layer. The adjusting reduces a band offset between one or more of the electrode, the first doped layer and the intrinsic layer to reduce light-induced degradation of the device. A second doped layer is formed on the intrinsic layer. | 09-24-2015 |
20150280023 | UNIFORMLY DISTRIBUTED SELF-ASSEMBLED CONE-SHAPED PILLARS FOR HIGH EFFICIENCY SOLAR CELLS - A method for fabricating a photovoltaic device includes applying a diblock copolymer layer on a substrate and removing a first polymer material from the diblock copolymer layer to form a plurality of distributed pores. A pattern forming layer is deposited on a remaining surface of the diblock copolymer layer and in the pores in contact with the substrate. The diblock copolymer layer is lifted off and portions of the pattern forming layer are left in contact with the substrate. The substrate is etched using the pattern forming layer to protect portions of the substrate to form pillars in the substrate such that the pillars provide a radiation absorbing structure in the photovoltaic device. | 10-01-2015 |
20150325713 | TRANSPARENT CONDUCTIVE ELECTRODE FOR THREE DIMENSIONAL PHOTOVOLTAIC DEVICE - A photovoltaic device includes a substrate layer having a plurality of three-dimensional structures formed therein providing a textured profile. A first electrode is formed over the substrate layer and extends over the three-dimensional structures including non-planar surfaces. The first electrode has a thickness configured to maintain the textured profile, and the first electrode includes a transparent conductive material having a dopant metal activated within the transparent conductive material. A continuous photovoltaic stack is conformally formed over the first electrode, and a second electrode is formed on the photovoltaic stack. | 11-12-2015 |
20150333087 | MULTI-HEIGHT MULTI-COMPOSITION SEMICONDUCTOR FINS - A dielectric material layer is formed on a semiconductor-on-insulator (SOI) substrate including a top semiconductor layer containing a first semiconductor material. An opening is formed within the dielectric material layer, and a trench is formed in the top semiconductor layer within the area of the opening by an etch. A second semiconductor material is deposited to a height above the top surface of the top semiconductor layer employing a selective epitaxy process. Another dielectric material layer can be deposited, and another trench can be formed in the top semiconductor layer. Another semiconductor material can be deposited to a different height employing another selective epitaxy process. The various semiconductor material portions can be patterned to form semiconductor fins having different heights and/or different compositions. | 11-19-2015 |
20160071995 | SOLAR CELL MADE USING A BARRIER LAYER BETWEEN P-TYPE AND INTRINSIC LAYERS - A method for forming a photovoltaic device includes depositing a p-type layer on a substrate. A barrier layer is formed on the p-type layer by exposing the p-type layer to an oxidizing agent. An intrinsic layer is formed on the barrier layer, and an n-type layer is formed on the intrinsic layer. | 03-10-2016 |
Patent application number | Description | Published |
20080211901 | SYSTEM AND METHOD FOR SCALABLE AND LOW-DELAY VIDEOCONFERENCING USING SCALABLE VIDEO CODING - Scalable video codecs are provided for use in videoconferencing systems and applications hosted on heterogeneous endpoints/receivers and network environments. The scalable video codecs provide a coded representation of a source video signal at multiple temporal, quality, and spatial resolutions. | 09-04-2008 |
20100067581 | SYSTEM AND METHOD FOR SCALABLE VIDEO CODING USING TELESCOPIC MODE FLAGS - Systems and methods for scalable video coding using special inter-layer prediction modes (called telescopic modes) are provided. These modes facilitate accelerated operation of encoders with improved coding efficiency. | 03-18-2010 |
20110305275 | SYSTEM AND METHOD FOR PROVIDING ERROR RESILENCE, RANDOM ACCESS AND RATE CONTROL IN SCALABLE VIDEO COMMUNICATIONS - Systems and methods for error resilient transmission, rate control, and random access in video communication systems that use scalable video coding are provided. Error resilience is obtained by using information from low resolution layers to conceal or compensate loss of high resolution layer information. The same mechanism is used for rate control by selectively eliminating high resolution layer information from transmitted signals, which elimination can be compensated at the receiver using information from low resolution layers. Further, random access or switching between low and high resolutions is also achieved by using information from low resolution layers to compensate for high resolution spatial layer packets that may have not been received prior to the switching time. | 12-15-2011 |
20120002728 | SYSTEM AND METHOD FOR TRANSCODING BETWEEN SCALABLE AND NON-SCALABLE VIDEO CODECS - Systems and methods are provided for performing transcoding in video communication system that use scalable video coding. The systems and methods can be used to transcode or convert input signals having certain characteristics into desired output signals having different characteristics requirements. The systems and methods are based on compressed domain processing, partial decoding-reencoding, or full decoding-reencoding with side information, depending on the specific characteristics of the input and desired output signals. | 01-05-2012 |
20120183055 | Temporal Prediction Structure Aware Temporal Filter - Disclosed are a system, method, apparatus, and computer readable media containing instructions for pre-filtering one or more pictures of a prediction structure. In an exemplary embodiment, a system includes an input for receiving the one or more pictures and a pre-filter, operatively coupled to the input and receiving the one or more pictures. The pre-filter can include a prediction position determining module for determining a position of at least one picture in the prediction structure, a context memory for storing determined position information, and a filter module for selecting a filter context based on the determined position and using the selected filter context to filter the at least one picture. | 07-19-2012 |
20120183060 | TECHNIQUES FOR DESCRIBING TEMPORAL CODING STRUCTURE - The disclosed subject matter describes a new pattern description that can be part of an SEI message or a parameter set, and can be used to describe a temporal picture coding structure and associated bitrates and frame rates. The knowledge of the coding structure can benefit transraters, bitstream extractors, and digital video recorders. Decoders can utilize the coding structure information for example, to decode pictures in parallel, using multiple threads/cores. | 07-19-2012 |
20120183076 | HIGH LAYER SYNTAX FOR TEMPORAL SCALABILITY - Disclosed are techniques for temporal scalable video coding. By including a temporal_switching_point_flag and/or a temporal_nesting_flag into a normative part of the scalable bitstream, reference picture management in decoder can be simplified, and media-aware network elements and decoder can easily identify those pictures from which onward a higher temporal layer can be added. | 07-19-2012 |
20120183077 | NAL Unit Header - Disclosed are techniques for scalable, multiview, and multiple descriptive video coding using an improved Network Adaptation Layer (NAL) unit header. A NAL unit header can include a layer-id that can be a reference into a table of layer descriptions, which specify the properties of the layer. The improved NAL unit header can further include fields for reference picture management and to identify temproal layers. | 07-19-2012 |
20120230429 | RENDER-ORIENTATION INFORMATION IN VIDEO BITSTREAM - Disclosed are techniques for creating, coding, decoding, and using, rotation information related to one or more coded pictures in non-normative parts of a coded video bitstream. | 09-13-2012 |
20120230431 | DEPENDENCY PARAMETER SET FOR SCALABLE VIDEO CODING - System and methods for video decoding include receiving at least one Dependency Parameter Set (DPS); and determining at least one inter-layer dependency based on the received DPS. Systems and methods for video encoding include selecting a layering structure; encoding at least one Dependency Parameter Set (DPS) including a representation of the layering structure in a binary format; and including the encoded DPS in a bitstream or sending the encoded DPS out of band. | 09-13-2012 |
20120230432 | SIGNALING NUMBER OF ACTIVE LAYERS IN VIDEO CODING - The representation of information related to the number of active enhancement layers in a scalable bitstream in data structures that are sent synchronous with coded pictures or slices is disclosed herein. Systems and methods for video coding include receiving and decoding an Active Number of Layers message. | 09-13-2012 |
20120230594 | ADAPTIVE PICTURE ROTATION - A method for decoding a picture embedded in a coded video sequence using a reference picture, includes: receiving at least a part of the coded video sequence; decoding the at least a part of the coded video sequence to determine a rotation of the embedded picture; rotating at least a part of the reference picture according to the determined rotation; and using the at least a part of a rotated reference picture to construct a reconstructed picture corresponding to the embedded picture. | 09-13-2012 |
20120243614 | ALTERNATIVE BLOCK CODING ORDER IN VIDEO CODING - Systems and methods for video decoding include receiving at least one syntax element indicative of a block coding order (BCO); and decoding at least one block in accordance with the BCO. Systems and methods for video encoding include determining for at least one region of a picture a block coding order (BCO) different than scan order; encoding at least one syntax element indicative of the determined BCO; and encoding at least one block; wherein the availability of at least one sample for prediction in the encoding process is determined by the BCO. | 09-27-2012 |
20120269276 | NAL UNIT HEADER - Disclosed are techniques for scalable, multiview, and multiple descriptive video coding using an improved Network Adaptation Layer (NAL) unit header. A NAL unit header can include a layer-id that can be a reference into a table of layer descriptions, which specify the properties of the layer. The improved NAL unit header can further include fields for reference picture management and to identify temporal layers. | 10-25-2012 |
20120275517 | DEPENDENCY PARAMETER SET FOR SCALABLE VIDEO CODING - System and methods for video decoding include receiving at least one Dependency Parameter Set (DPS); and determining at least one inter-layer dependency based on the received DPS. Systems and methods for video encoding include selecting a layering structure; encoding at least one Dependency Parameter Set (DPS) including a representation of the layering structure in a binary format; and including the encoded DPS in a bitstream or sending the encoded DPS out of band. | 11-01-2012 |
20130003833 | Scalable Video Coding Techniques - The disclosed subject matter provides techniques for inter-layer prediction using difference mode or pixel mode. In difference mode, inter-layer prediction is used to predict at least one sample of an enhancement layer from at least one (upsampled) sample of a reconstructed base layer picture. In pixel mode, no reconstructed base layer samples are used for reconstruction of the enhancement layer sample, A flag that can be part of a coding unit header in the enhancement layer can be used to distinguish between pixel mode and difference mode. | 01-03-2013 |
20130003847 | Motion Prediction in Scalable Video Coding - Disclosed are techniques for prediction of a to-be-reconstructed prediction unit of an enhancement layer using motion vector information of the base layer. A video encoder or decoder includes an enhancement layer coding loop with a predictor list insertion module. The predictor list insertion module can generate a list of motion vector predictors, or modify an existing list of motion vector predictors, such that the list includes at least one predictor that is derived from side information generated by a base layer coding loop, and has been upscaled. | 01-03-2013 |
20130016776 | Scalable Video Coding Using Multiple Coding Technologies - Techniques for video decoding include decoding a base layer of a first video coding technology and at least one enhancement layer conforming to a second video coding technology. The video coding technologies can be identified in a Dependency Parameter Set. Techniques for video encoding include encoding a base layer in a first video coding technology, at least one enhancement layer in a second video coding technology. Also disclosed are video communication systems using base and enhancement layer. | 01-17-2013 |
20130163660 | Loop Filter Techniques for Cross-Layer prediction - Disclosed are techniques for loop filtering in scalable video coding/decoding. An enhancement layer decoder decodes, per sample, coding unit, slice, or other appropriate syntax structure, an indication rlssp indicative of a stage in the base layer loop filter process. Reference sample information from a base layer for inter-layer prediction is taken from the indicated stage of the base layer loop filter. | 06-27-2013 |
20130195201 | TECHNIQUES FOR LAYERED VIDEO ENCODING AND DECODING - A method for video decoding includes: decoding information including a description of a layer hierarchy including, for each layer, a layer_id, a reference_layer_id, and a dependent_flag; decoding for at least one access unit, a plurality of layer_not_present_flags, where each layer_not_present_flag is associated with at least one layer; and decoding Slice Network Abstraction Layer (NAL) units belonging to those layer(s) where the associated layer_not_present flag is not set. | 08-01-2013 |
20130201279 | System and Method for Scalable and Low-Delay Videoconferencing Using Scalable Video Coding - Scalable video codecs are provided for use in videoconferencing systems and applications hosted on heterogeneous endpoints/receivers and network environments. The scalable video codecs provide a coded representation of a source video signal at multiple temporal, quality, and spatial resolutions. | 08-08-2013 |
20140003509 | Cross Layer Spatial Intra Prediction | 01-02-2014 |
20140016694 | HYBRID VIDEO CODING TECHNIQUES - Disclosed are techniques for encoding and decoding layered video where the non-temporal enhancement layers and their respective temporal enhancement layers, comply with a scalable video coding standard or technology, and the base layer and its respective temporal enhancement layers does not comply with the same scalable video coding standard or technology. A Video Parameter Set that comprises information about the relationship of layers includes a syntax element indicative of the derivation mechanism for a temporal layer associated with a NAL unit coded in a first coding technology, for example HEVC. For one value of the syntax element, the derivation mechanism is to set the temporal layer of the base layer NAL unit to the value coded in the header of the encapsulating NAL unit, which can be an HEVC NAL unit. For another value, the derivation mechanism is to imply the value of temporal base layer for the first NAL unit. | 01-16-2014 |
20140192870 | System And Method For Providing Error Resilience, Random Access And Rate Control In Scalable Video Communications - Systems and methods for error resilient transmission, rate control, and random access in video communication systems that use scalable video coding are provided. Error resilience is obtained by using information from low resolution layers to conceal or compensate loss of high resolution layer information. The same mechanism is used for rate control by selectively eliminating high resolution layer information from transmitted signals, which elimination can be compensated at the receiver using information from low resolution layers. Further, random access or switching between low and high resolutions is also achieved by using information from low resolution layers to compensate for high resolution spatial layer packets that may have not been received prior to the switching time. | 07-10-2014 |
20140192887 | TECHNIQUES FOR PREDICTION OF UNAVAILABLE SAMPLES IN INTER-LAYER PREDICTED VIDEO CODING - Disclosed herein are video coding techniques for prediction of a to-be-reconstructed block from enhancement layer/view data from base layer/view data in conjunction with enhancement layer/view data, where samples that are not available in the base or enhancement layer/view, respectively, are being predicted through padding. | 07-10-2014 |
20140285616 | SYSTEM AND METHOD FOR PROVIDING ERROR RESILIENCE, RANDOM ACCESS AND RATE CONTROL IN SCALABLE VIDEO COMMUNICATIONS - Systems and methods for error resilient transmission, rate control, and random access in video communication systems that use sealable video coding are provided. Error resilience is obtained by using information from low resolution layers to conceal or compensate loss of high resolution layer information. The same mechanism is used for rate control by selectively eliminating high resolution layer information from transmitted signals, which elimination can be compensated at the receiver using information from low resolution layers. Further, random access or switching between low and high resolutions is also achieved by using information from low resolution layers to compensate for high resolution spatial layer packets that may have not been received prior to the switching time. | 09-25-2014 |
20140301459 | MULTIPLE REFERENCE LAYER PREDICTION SIGNALING TECHNIQUES - The disclosed subject matter, in one embodiment, provides techniques to signal inter-layer texture and motion prediction from different direct dependent reference layers. In certain exemplary arrangements, techniques are provided which include one or more syntax elements in a high level syntax structure, e.g., the slice segment header, indicating such different direct dependent reference layer(s). | 10-09-2014 |
20150124878 | MULTIPLE REFERENCE LAYER PREDICTION SIGNALING TECHNIQUES - The disclosed subject matter, in one embodiment, provides techniques to signal inter-layer texture and motion prediction from different direct dependent reference layers. In certain exemplary arrangements, techniques are provided which include one or more syntax elements in a high level syntax structure, e.g., the slice segment header, indicating such different direct dependent reference layer(s). | 05-07-2015 |
20150304669 | TECHNIQUES FOR DESCRIBING TEMPORAL CODING STRUCTURE - The disclosed subject matter describes a new pattern description that can be part of an SEI message or a parameter set, and can be used to describe a temporal picture coding structure and associated bitrates and frame rates. The knowledge of the coding structure can benefit transraters, bitstream extractors, and digital video recorders. Decoders can utilize the coding structure information for example, to decode pictures in parallel, using multiple threads/cores. | 10-22-2015 |
Patent application number | Description | Published |
20090093371 | MEMBRANE ARRAYS AND METHODS OF MANUFACTURE - The invention relates to G protein-coupled receptor (GPCR) microarrays on porous substrates for structural or functional analyses of GPCRs, and methods of preparing porous substrate surfaces for receiving membranes that comprise GPCRs. In one embodiment, a GPCR microarray of the invention comprises a membrane adhered to an upper surface of a porous substrate, the membrane spanning across a plurality of pores on the porous substrate to form a plurality of cavities having sufficient geometry to permit entry of assay reagents into each cavity, thereby allowing access of assay reagents to both sides of GPCR in the membrane. | 04-09-2009 |
20090131263 | Normalization methods for G-protein coupled receptor membrane array - Reference membrane components are either pre-labeled or labeled during assays for purposes of normalizing signals associated with binding or functional assays employing G-protein coupled receptor microarrays. A reference component may be included in a membrane in which the target GPCR is embedded or may be present in another membrane printed in conjunction with the target membrane on a microspot. Or, a GPCR microarray may be pre-labeled by incorporating a label on an exposed substrate in a defect in the printed microspot. | 05-21-2009 |
20100152060 | ASSAY SOLUTION COMPOSITIONS AND METHODS FOR GPCR ARRAYS - Buffered assay solutions for performing 1) binding or 2) functional assays on GPCR arrays, along with methods for their use are described. The buffered assay solution has an underlying composition having: a buffer reagent with a pH in the range of about 6.5 to about 7.9; an inorganic salt of either a monovalent or divalent species, at a concentration from about 1 mM to about 500 mM; and optionally a combination of: c) a blocker reagent at a concentration of about 0.01 wt. % to about 2 wt. % of the composition, or d) protease-inhibitor at a concentration of about 0.001 mM to about 100 mM. In an embodiment for functional assay uses, the composition is modified to also include a GTP-analogue, a guanosine 5′-diphosphate (GDP) salt, and/or an anti-oxidant reagent. | 06-17-2010 |
20100323915 | Porous Substrate Plates And The Use Thereof - A substrate plate or device adapted for use with biological or chemical assays is disclosed. The device may take the form of a multi-well plate having a three-dimensional, porous layer as part of a support surface within each well for immobilizing probe species. The porous layer is characterized as having a plurality of interconnected voids defined by a matrix of contiguous solid material. A method and its variants are also described. | 12-23-2010 |
20120295353 | METHODS OF MAKING AND USING POLYMERS AND COMPOSITIONS - Disclosed are methods of making and using polymers compositions. The polymer compositions may have monomer/oligomer mixtures that may have at least one silicone monomer or oligomer and at least one non-silicone monomer or oligomer, at least one crosslinker, and/or at least one polymerization initiator. The polymer compositions are cured, after which they may be useful in bioapplications, such as for use as freestanding films or coatings on a substrate, such as a mold, for cell culture. | 11-22-2012 |
20130029422 | Composite Substrate for 3D Cell Culture - A cell culture article comprises a substrate having a micro-structured surface and a thin hydrophobic elastomeric coating disposed on the substrate. The coating forms a micro-structured cell culture surface and is sufficiently thin to reduce absorption of hydrophobic molecules from an aqueous medium in contact with the coating, relative to articles fabricated entirely from the hydrophobic elastomer. | 01-31-2013 |
20140141503 | CELL CULTURE SUBSTRATE HAVING UNIFORM SURFACE COATING - An article for culturing cells includes (i) a substrate having a surface; (ii) a plurality of pillars extending from the surface of the substrate; and (iii) a polymeric coating disposed on the surface of the substrate between the pillars, forming a plurality of mini-menisci on the surface of the substrate between the plurality of pillars. The mini-menisci may have diameters of from about 20 to about 250 micrometers. The plurality of pillars are spaced apart from one another in a manner to encourage cell growth on the mini-menisci rather than the on top of the pillars. Such articles may effectively address issues associated with the meniscus effect on a global scale. | 05-22-2014 |
20150291932 | CELL CULTURE MEDIUM FOR ENHANCED HEPATOCYTE FUNCTION - Cell culture compositions containing LFM-A13 or a structurally related compound can enhance global hepatic function. For example, LFM-A13 is shown to enhance levels of a broad variety of drug metabolism enzymes, including CYP enzymes, and other hepatic enzymes. LFM-A13 is also shown to promote differentiation of stem cells into hepatocytes. LFM-A13 and structurally related compounds can be used in cell culture to enhance global drug metabolism of liver cells for enhanced in vitro study the effects of drug metabolism on other candidate drug compounds. | 10-15-2015 |