Patent application number | Description | Published |
20080205061 | Apparatus And Method Of Using A Led Light Source To Generate An Efficent, Narrow, High-Aspect Ratio Light Pattern - An LED light source produces a narrow beam of light having a linear field of illumination, which is substantially uniform across the linear field. The light source comprises at least one light emitting diode (LED) and preferably a plurality of LEDs, an optical element for the efficient collection of energy radiating from the LED or LEDs, and an optical element for distributing the collected energy into the linear field of illumination. The apparatus also includes a device or heat sink for thermal management. One or more electronic control circuits are coupled to the LED or LEDs to variably and selectively control them. When a plurality of LEDs are used, the colors produced by the LEDs may different so that the light source is collectively controllable to provide a range of optically mixed colors. | 08-28-2008 |
20080225528 | Light-Conducting Pedestal Configuration for an Led Apparatus Which Collects Almost All and Distributes Subtantially All of the Light From the Led - An apparatus comprises a light source, preferably an LED, a reflector, a light-conducting element mounted on the light source for directing light from the light source to an end of the light-conducting element, and a lens mounted on the end of the light-conducting element for directing light into a central beam. Light from the light source is directed to the reflector into a peripheral beam. The central and peripheral beams comprise substantially all of the light generated by the light source. The lens is in effect mounted on a pedestal above the LED. The pedestal transmits all the light rays in the central solid angle to the lens without loss. | 09-18-2008 |
20080239712 | LIGHTING SYSTEM - A light head is mounted on a common base, and includes a light source in a mounting base. The base is mounted on a collapsible elongated pole, and the pole is for mounting on an outside wall of a carrying case. There is a carrying handle for the case, an electrical power outlet mounted on a wall, base or lid of the case and for plugging in an electrical wire to power the light head. The interior of the case is for locating a rechargeable battery, and the battery when charged, supplies power to the power outlet such that the light head can be powered. Recharging can be via either a 12V DC automobile or a 110 AC power supply. The carrying handle is extendible; and retractable, and in the retraction mode is essentially within the general perimeter space of the case. The case includes a pair of pulley wheels, the wheels being for facilitating the moving of the case. | 10-02-2008 |
20080239715 | LIGHTING SYSTEM - A light head is mounted on a common base, and includes a light source in a mounting base. The base is mounted on a collapsible elongated pole, and the pole is for mounting on an outside wall of a carrying case. There is a carrying handle for the case, an electrical power outlet mounted on a wall, base or lid of the case and for plugging in an electrical wire to power the light head. The interior of the case is for locating a rechargeable battery, and the battery when charged, supplies power to the power outlet such that the light head can be powered. Recharging can be via either a 12V DC automobile or a 110 AC power supply. The carrying handle is extendible; and retractable, and in the retraction mode is essentially within the general perimeter space of the case. The case includes a pair of pulley wheels, the wheels being for facilitating the moving of the case. | 10-02-2008 |
20080259631 | Led-Fiber Optic Combination for Simulating Neon Lit Signage - An improvement in LED lighting simulative of neon lighting comprises a light cable ( | 10-23-2008 |
20090016052 | Apparatus and Method of Using LED Light Sources to Generate a Unitized Beam - An apparatus includes: a plurality of light emitting diodes (LED) of similar or differing wavelengths; a reflector for collecting energy from two or more LEDs into an approximately composite beam; and a housing for distributing this energy into a common aperture. A heat sink and electronic control for the individual LEDs is included. The LEDs have different color outputs and are selectively controlled to determine the color of light from the apparatus. In one embodiment there are at least two LEDs, at least two reflector cavities, a common combining cavity or zone, a mounting each of the LEDs within the reflector cavities and a housing. The LEDs are mounted on the heat sink and selectively driven to modulate the intensity of selected ones of the LEDs according the nature of the frequency bands in the driving signal, e.g. mixed color outputs according to the control of a musical signal. | 01-15-2009 |
20090021945 | APPARATUS AND METHOD FOR IMPROVED ILLUMINATION AREA FILL - A reflector for a light source, such as an LED, is provided with a shape which efficiently collects and directs energy to an illumined surface whereby almost 100% of the light is collected and distributed into a designer composite beam. The shape in one embodiment is comprised of three zones beginning with a parabolic surface of revolution at the base of the reflector, followed by a transition or straight conic zone and ending with an elliptical zone. In another embodiment the reflector shape is determined according to a transfer function which allows for arbitrary designer control of the reflected rays at each point on the reflector, which when combined with direct radiation from the source, results in a designer controlled composite beam or illumination. The device is more than 90% energy efficient and allows replacement of higher power, less energy efficient light sources with no loss in illumination intensity. | 01-22-2009 |
20090043544 | APPARATUS AND METHOD FOR IMPROVED ILLUMINATION AREA FILL - A reflector for a light source, such as an LED, is provided with a shape which efficiently collects and directs energy to an illumined surface whereby almost 100% of the light is collected and distributed into a designer composite beam. The shape in one embodiment is comprised of three zones beginning with a parabolic surface of revolution at the base of the reflector, followed by a transition or straight conic zone and ending with an elliptical zone. In another embodiment the reflector shape is determined according to a transfer function which allows for arbitrary designer control of the reflected rays at each point on the reflector, which when combined with direct radiation from the source, results in a designer controlled composite beam or illumination. The device is more than 90% energy efficient and allows replacement of higher power, less energy efficient light sources with no loss in illumination intensity. | 02-12-2009 |
20090310345 | APPARATUS AND METHOD OF USING MULTIPLE LED LIGHT SOURCES TO GENERATE A UNITIZED BEAM - An LED package is comprised of a plurality of light emitting diodes (LED) of similar or differing wavelengths; means for efficiently collecting energy radiating from two or more LEDs into an approximate unitized beam; and means for distributing this energy into a common aperture. A means provides thermal management of the LED package and electronically controls the individual LEDs. The LEDs can have different color outputs and means for selectively controlling the color of light from the LED package. In one embodiment there are at least two LEDs | 12-17-2009 |
20100039810 | LED Devices for Offset Wide Beam Generation - A light source is combined with an optic and a reflector. Light incident onto to the reflector is reflected with a single reflection. The reflector occupies a portion of a solid angle around the light source to the exclusion of the optic at least with respect to any optical function. The reflector directly receives a second portion of light. The optic occupies substantially all of the remaining portion of the predetermined solid angle to directly receive a first portion of light from the light source. A reflected beam from the reflector is reflected into a predetermined reflection pattern. The inner and/or outer surface of the optic is shaped to refract or direct light which is directly transmitted into the optic from the light source from a first portion of light and/or reflected into the optic from the reflector from the reflected beam into a predetermined beam. | 02-18-2010 |
20100128489 | LED DEVICE FOR WIDE BEAM GENERATION - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 05-27-2010 |
20100134046 | LED REPLACEMENT LAMP AND A METHOD OF REPLACING PREEXISTING LUMINAIRES WITH LED LIGHTING ASSEMBLIES - A lighting apparatus for retrofitting an existing luminaire includes a plurality of light emitting diodes (LED) of similar or differing wavelengths arranged and configured in at least one light bar array, a heat sink module thermally coupled to the at least one light bar array, an electronic power module electrically coupled to the at least one light bar array, and a plate coupled to the at least one light bar array, electronic power module and the heat sink module, the plate arranged and configured for coupling to the luminaire to provide quick and easy installation and replacement of the at least one light bar array, heat sink module and electronic power module into and from the luminaire. | 06-03-2010 |
20100165625 | LED DEVICE FOR WIDE BEAM GENERATION - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 07-01-2010 |
20100172135 | LED DEVICE FOR WIDE BEAM GENERATION - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 07-08-2010 |
20100238669 | LED Device for Wide Beam Generation and Method of Making the Same - A predetermined illuminated surface pattern is generated from a predetermined energy distribution pattern of an LED light source within an LED package having a light transmitting dome. An estimated optical transfer function of a lens shape of an optic is defined by the shape of an exterior and inner surface which envelopes at least in part the light transmitting dome of the LED package. An energy distribution pattern is obtained by combination of the estimated optical transfer function and the predetermined energy distribution pattern of the light source. A projection of the energy distribution pattern onto the illuminated surface is determined. The projection is compared to the predetermined illuminated surface pattern. The estimated optical transfer function is illuminated surface pattern. | 09-23-2010 |
20110115360 | LED Devices for Offset Wide Beam Generation - A light source is combined with an optic and a reflector. Light incident onto to the reflector is reflected with a single reflection. The reflector occupies a portion of a solid angle around the light source to the exclusion of the optic at least with respect to any optical function. The reflector directly receives a second portion of light. The optic occupies substantially all of the remaining portion of the predetermined solid angle to directly receive a first portion of light from the light source. A reflected beam from the reflector is reflected into a predetermined reflection pattern. The inner and/or outer surface of the optic is shaped to refract or direct light which is directly transmitted into the optic from the light source from a first portion of light and/or reflected into the optic from the reflector from the reflected beam into a predetermined beam. | 05-19-2011 |
20110216537 | LED Device for Wide Beam Generation - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 09-08-2011 |
20110216544 | LED Device for Wide Beam Generation - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 09-08-2011 |
20120176791 | LED Device for Wide Beam Generation - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 07-12-2012 |
20120224370 | LED Devices for Offset Wide Beam Generation - A light source is combined with an optic and a reflector. Light incident onto to the reflector is reflected with a single reflection. The reflector occupies a portion of a solid angle around the light source to the exclusion of the optic at least with respect to any optical function. The reflector directly receives a second portion of light. The optic occupies substantially all of the remaining portion of the predetermined solid angle to directly receive a first portion of light from the light source. A reflected beam from the reflector is reflected into a predetermined reflection pattern. The inner and/or outer surface of the optic is shaped to refract or direct light which is directly transmitted into the optic from the light source from a first portion of light and/or reflected into the optic from the reflector from the reflected beam into a predetermined beam. | 09-06-2012 |
20120268934 | LED Device for Wide Beam Generation - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 10-25-2012 |
20130155678 | LED Device for Wide Beam Generation and Method of Making the Same - A predetermined illuminated surface pattern is generated from a predetermined energy distribution pattern of an LED light source within an LED package having a light transmitting dome. An estimated optical transfer function of a lens shape of an optic is defined by the shape of an exterior and inner surface which envelopes at least in part the light transmitting dome of the LED package. An energy distribution pattern is obtained by combination of the estimated optical transfer function and the predetermined energy distribution pattern of the light source. A projection of the energy distribution pattern onto the illuminated surface is determined. The projection is compared to the predetermined illuminated surface pattern. The estimated optical transfer function is illuminated surface pattern. | 06-20-2013 |
20130229804 | LED Device for Wide Beam Generation - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 09-05-2013 |
20130258665 | LED Devices for Offset Wide Beam Generation - A light source is combined with an optic and a reflector. Light incident onto to the reflector is reflected with a single reflection. The reflector occupies a portion of a solid angle around the light source to the exclusion of the optic at least with respect to any optical function. The reflector directly receives a second portion of light. The optic occupies substantially all of the remaining portion of the predetermined solid angle to directly receive a first portion of light from the light source. A reflected beam from the reflector is reflected into a predetermined reflection pattern. The inner and/or outer surface of the optic is shaped to refract or direct light which is directly transmitted into the optic from the light source from a first portion of light and/or reflected into the optic from the reflector from the reflected beam into a predetermined beam. | 10-03-2013 |
20140049962 | LED Device for Wide Beam Generation - An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved. Alternatively, the lens shape is numerically or analytically determined by a functional relationship between the shape and the predetermined illuminated surface pattern and predetermined energy distribution pattern of a light source as inputs. | 02-20-2014 |
20140321116 | LED Device for Wide Beam Generation and Method of Making the Same - A predetermined illuminated surface pattern is generated from a predetermined energy distribution pattern of an LED light source within an LED package having a light transmitting dome. An estimated optical transfer function of a lens shape of an optic is defined by the shape of an exterior and inner surface which envelopes at least in part the light transmitting dome of the LED package. An energy distribution pattern is obtained by combination of the estimated optical transfer function and the predetermined energy distribution pattern of the light source. A projection of the energy distribution pattern onto the illuminated surface is determined. The projection is compared to the predetermined illuminated surface pattern. The estimated optical transfer function is illuminated surface pattern. | 10-30-2014 |