Patent application number | Description | Published |
20080286548 | Down-drawable, chemically strengthened glass for cover plate - An alkali aluminosilicate glass that is chemically strengthened and has a down-drawable composition. The glass has a melting temperature less than about 1650° C. and a liquidus viscosity of at least 130 kpoise and, in one embodiment, greater than 250 kpoise. The glass undergoes ion exchange at relatively low temperatures to a depth of at least 30 μm. | 11-20-2008 |
20090036290 | Glass compositions compatible with downdraw processing and methods of making and using thereof - Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (AMLCDs). The glass compositions possess numerous properties that are compatible with the downdraw process, particularly fusion drawing. | 02-05-2009 |
20090142568 | GLASSES HAVING IMPROVED TOUGHNESS AND SCRATCH RESISTANCE - A silicate glass that is tough and scratch resistant. The toughness is increased by minimizing the number of non-bridging oxygen atoms in the glass. In one embodiment, the silicate glass is an aluminoborosilicate glass in which −15 mol 1%≦(R | 06-04-2009 |
20090215608 | Oxyhalide glass fining - The invention is directed to oxyhalide fining agents for glass and processes for making glass using such a fining agent. | 08-27-2009 |
20090220761 | ION EXCHANGED, FAST COOLED GLASSES - A glass that is ion exchangeable to a depth of at least 20 μm (microns) and has a internal region having a tension of less than or equal to 100 MPa. The glass is quenched or fast cooled from a first temperature above the anneal point of the glass to a second temperature that is below the strain point of the glass. In one embodiment, the glass is a silicate glass, such as an alkali silicate glass, an alkali aluminosilicate glass, an aluminosilicate glass, a borosilicate glass, an alkali aluminogermanate glass, an alkali germanate glass, an alkali gallogermanate glass, and combinations thereof. | 09-03-2009 |
20090286091 | RARE-EARTH-CONTAINING GLASS MATERIAL AND SUBSTRATE AND DEVICE COMPRISING SUCH SUBSTRATE - A rare-earth-containing glass material having a composition, expressed in mole percentages on and oxide basis, comprising:
| 11-19-2009 |
20090294773 | BOROALUMINO SILICATE GLASSES - Disclosed are alkali-free glasses having a liquidus viscosity of greater than or equal to about 90,000 poises, said glass comprising SiO | 12-03-2009 |
20100009154 | GLASS WITH COMPRESSIVE SURFACE FOR CONSUMER APPLICATIONS - A strengthened glass that does not exhibit frangible behavior when subjected to impact or contact forces, and a method of strengthening a glass. The glass may be strengthened by subjecting it to multiple, successive, ion exchange treatments. The multiple ion exchange treatments provide a local compressive stress maximum at a depth of the strengthened layer and a second local maximum at or near (e.g., within 10 μm) the surface of the glass. | 01-14-2010 |
20100084016 | Intermediate Thermal Expansion Coefficient Glass - Aluminoborosilicate glasses which may be useful in photovoltaic, photochromic, electrochromic, or Organic Light Emitting Diode (OLED) lighting applications are described. | 04-08-2010 |
20100126221 | STABLE GLASS SHEET AND METHOD FOR MAKING SAME - A process for making glass sheet with low compaction suitable for high temperature applications, such as low-temperature polysilicon-based TFT displays, and glass sheets thus made. The glass sheet desirably has an anneal point of at least 765° C., a CTE at most 42×10 | 05-27-2010 |
20100173766 | GLASS COMPOSITIONS COMPATIBLE WITH DOWNDRAW PROCESSING AND METHODS OF MAKING AND USING THEREOF - Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (AMLCDs). The glass compositions possess numerous properties that are compatible with the downdraw process, particularly fusion drawing. | 07-08-2010 |
20100224954 | SUBSTRATE COMPOSITIONS AND METHODS FOR FORMING SEMICONDUCTOR ON INSULATOR DEVICES - Methods and apparatus for producing a semiconductor on insulator structure include: subjecting an implantation surface of a donor single crystal semiconductor wafer to an ion implantation process to create an exfoliation layer of the donor semiconductor wafer; bonding the implantation surface of the exfoliation layer to a glass substrate using electrolysis, wherein a liquidus viscosity of the glass substrate is about 100,000 Poise or greater. | 09-09-2010 |
20110045961 | ZIRCON COMPATIBLE GLASSES FOR DOWN DRAW - A glass that is down-drawable and ion exchangeable. The glass has a temperature T | 02-24-2011 |
20110265516 | COMPOSITIONAL CONTROL OF FAST RELAXATION IN DISPLAY GLASSES - Methods are provided for reducing the dimensional changes of a glass substrate during a display manufacturing process. The reductions are achieved by increasing the fast relaxation exhibited by the glass. Test methods are provided for distinguishing the effects on dimensional changes of fast relaxation versus slow relaxation. Glass substrates which exhibit reduced dimensional changes during critical thermal cycles of display manufacturing processes are also disclosed. | 11-03-2011 |
20120083915 | METHODS AND APPARATUS FOR PREDICTING GLASS PROPERTIES - Methods and apparatus for predicting viscosities of glass materials as a function of temperature and composition are provided. Two fitting parameters (fitting coefficients) are used for each of the viscosity-affecting components contained in the material. The parameters can accurately cover a wide range of temperatures (i.e., a wide range of viscosities) and a wide range of compositions. The viscosity predictions can be used as a guide for glass research as well as in feedback control systems for glass manufacturing processes. Methods and apparatus for predicting glass resistivity are also disclosed. | 04-05-2012 |
20120135852 | ALKALINE EARTH ALUMINO-BOROSILICATE CRACK RESISTANT GLASS - The present disclosure relates to glass articles for use as a touchscreen substrate or cover glass article for use in a portable electronic device, particularly an aluminoborosilicate glass being substantially free of alkalis, comprising at least 55 mol % SiO | 05-31-2012 |
20120135853 | GLASS ARTICLES/MATERIALS FOR USE AS TOUCHSCREEN SUBSTRATES - The present disclosure relates to glass articles for use as a touchscreen substrate for use in a portable electronic device, particularly comprising an alkali-free aluminosilicate glass exhibiting a high damage threshold of at least 1000gf, as measured by the lack of the presence of median/radial cracks when a load is applied to the glass using a Vickers indenter, a scratch resistance of at least 900gf, as measured by the lack of the presence of lateral cracks when a load is applied by a moving Knoop indenter and a linear coefficient of thermal expansion (CTE) over the temperature range 0-300° C. which satisfies the relationship: 25×10−7/° C.≦CTE≦40×10−7/° C. | 05-31-2012 |
20120308803 | GLASSES HAVING IMPROVED TOUGHNESS AND SCRATCH RESISTANCE - A silicate glass that is tough and scratch resistant. The toughness is increased by minimizing the number of non-bridging oxygen atoms in the glass. In one embodiment, the silicate glass is an aluminoborosilicate glass in which −15 mol %≦(R | 12-06-2012 |
20130004758 | ION EXCHANGEABLE GLASS WITH HIGH COMPRESSIVE STRESS - An aluminosilicate glass article having a high compressive stress layer. The glass article comprises at least about 50 mol % SiO | 01-03-2013 |
20130065747 | GLASS COMPOSITIONS HAVING HIGH THERMAL AND CHEMICAL STABILITY AND METHODS OF MAKING THEREOF - Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (AMLCDs). In accordance with certain of its aspects, the glasses possess good dimensional stability as a function of temperature. | 03-14-2013 |
20130115441 | Method of Binding Nanoparticles to Glass - Provided herein are nanoparticulate coated structures and methods of making structures. The structures comprise a support element, a nanoparticulate layer, and a binder disposed on the support element, wherein the binder comprises an alkali silicate or borate. In addition, methods of making the structures and uses of the described structures are described herein. | 05-09-2013 |
20130119356 | OPAL GLASSES FOR LIGHT EXTRACTION - Opal glass compositions and devices incorporating opal glass compositions are described herein. The compositions solve problems associated with the use of opal glasses as light-scattering layers in electroluminescent devices, such as organic light-emitting diodes. In particular, embodiments solve the problem of high light absorption within the opal glass layer as well as the problem of an insufficiently high refractive index that results in poor light collection by the layer. Particular devices comprise light-emitting diodes incorporating light scattering layers formed of high-index opal glasses of high light scattering power that exhibit minimal light attenuation through light absorption within the matrix phases of the glasses. | 05-16-2013 |
20130225390 | HIGH STRAIN POINT ALUMINOSILICATE GLASSES - Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (AMLCDs) and active matrix organic light emitting diode displays (AMOLEDs). In accordance with certain of its aspects, the glasses possess good dimensional stability as a function of temperature. | 08-29-2013 |
20130233020 | METHODS FOR PRODUCING ION-EXCHANGEABLE GLASSES - Computer-implemented methods and apparatus are provided for predicting/estimating chemical depth of layer (DOL) and maximum surface compressive stress (CS) of glass articles after ion-exchange. The methods and apparatus can, for example, be used to select glass compositions, salt bath temperatures, and/or ion-exchange times which provide desired DOL and/or CS values. One or more manufacturing constraints, e.g., constraints on liquidus viscosity, zircon breakdown viscosity, and the like, can be applied to the process of predicting/estimating DOL and/or CS values so that glass compositions selected based on DOL and/or CS values can, for example, be manufactured commercially by a fusion or float process. | 09-12-2013 |
20130260154 | HEAT TREATMENT FOR STRENGTHENING GLASSES - A method of making a strengthened glass article. The method includes altering the glass structure and subsequently creating a compressive layer extending from the surface of the glass to a depth of layer. In some embodiments, the structure is altered by heat treating the glass at a temperature that is less than the annealing point of the glass, and the compressive layer is formed by ion exchange. A strengthened glass article made by the method is also provided. | 10-03-2013 |
20140106172 | ION EXCHANGEABLE GLASS WITH HIGH DAMAGE RESISTANCE - An ion exchangeable glass having a high degree of resistance to damage caused by abrasion, scratching, indentation, and the like. The glass comprises alumina, B | 04-17-2014 |
20140186632 | ZIRCON COMPATIBLE, ION EXCHANGEABLE GLASS WITH HIGH DAMAGE RESISTANCE - An ion exchangeable glass having a high degree of resistance to damage caused by abrasion, scratching, indentation, and the like. The glass comprises alumina, B | 07-03-2014 |
20140243186 | GLASS COMPOSITIONS HAVING HIGH THERMAL AND CHEMICAL STABILITY AND METHODS OF MAKING THEREOF - Described herein are alkali-free, boroalumino silicate glasses exhibiting desirable physical and chemical properties for use as substrates in flat panel display devices, such as, active matrix liquid crystal displays (AMLCDs). In accordance with certain of its aspects, the glasses possess good dimensional stability as a function of temperature. | 08-28-2014 |
20140342897 | Glass Articles/Materials For Use As Touchscreen Substrates - The present disclosure relates to glass articles for use as a touchscreen substrate for use in a portable electronic device, particularly comprising an alkali-free aluminosilicate glass exhibiting a high damage threshold of at least 1000 gf, as measured by the lack of the presence of median/radial cracks when a load is applied to the glass using a Vickers indenter, a scratch resistance of at least 900 gf, as measured by the lack of the presence of lateral cracks when a load is applied by a moving Knoop indenter and a linear coefficient of thermal expansion (CTE) over the temperature range 0-300° C. which satisfies the relationship: 25×10-7/° C.≦CTE≦40×10-7/° C. | 11-20-2014 |