Abstract: A polymeric material having a negative photoelastic constant. The polymeric material comprises: (a) a polymer comprising polymerized units of 2-vinylpyridine, 4-vinylpyridine, methyl methacrylate or a combination thereof; (b) a C9-C25 aliphatic polycyclic compound; and (c) an organic compound having a boiling point of at least 200° C.

Abstract: A coated glass substrate. The coated glass substrate comprises a glass sheet having a thickness from 0.1 to 0.7 mm and coated on a first side with a first optical layer having a positive photo-elastic constant and coated on a second side with a second optical layer having a negative photo-elastic constant.

Abstract: Doped poly(2-vinylpyridine) which comprises 2 to 30 wt % of a dopant which is a C9-C25 aliphatic polycyclic compound.

Abstract: A light splitting optical module that converts incident light into electrical energy, the module including a solid optical element comprising an input end for receiving light, a first side, and a second side spaced from the first side, a first solar cell adjacent to the first side of the solid optical element, and a second solar cell adjacent to the second side of the solid optical element. The first solar cell is positioned to absorb a first subset of incident light and reflect a first remainder of the incident light to the second solar cell through the solid optical element, wherein the first solar cell has a lower band gap than the second cell.

Abstract: A photovoltaic system that converts incident light into electrical energy that includes a light trapping optical module having a light randomizing dielectric slab with a first surface and a second surface, a first cell adjacent to the first surface of the slab that has a bandgap of lower energy than the energy of absorption onset of the dielectric slab, at least one filter element in optical contact with the second surface of the dielectric slab, and a sub-cell array with a plurality of photovoltaic sub-cells, wherein at least one of the sub-cells has a first surface that is in optical contact with the at least one filter element.

Abstract: Plastic optical fibers or plastic optical fiber cores with good high temperature resistance to optical attenuation loss are prepared from a cyclic block copolymer characterized by a: A. Weight ratio of hydrogenated conjugated diene polymer block to hydrogenated vinyl aromatic polymer block of 35:65 to 10:90; B. Number average molecular weight (Mn) of from 40,000 to 150,000, grams per mole (g/mol); and C. Hydrogenation level such that each hydrogenated vinyl aromatic polymer block and each hydrogenated conjugated diene polymer block has a hydrogenation level of at least 95 percent.

Abstract: A light splitting optical module that converts incident light into electrical energy, the module including a solid optical element comprising an input end for receiving light, a first side, and a second side spaced from the first side, a first solar cell adjacent to the first side of the solid optical element, and a second solar cell adjacent to the second side of the solid optical element. The first solar cell is positioned to absorb a first subset of incident light and reflect a first remainder of the incident light to the second solar cell through the solid optical element.

Abstract: Cellulose derivative optical retardation film with suitable birefringent characteristics to enhance wide view performance upon use in liquid crystal devices (LCD), especially in vertically aligned (VA) type LCDs. Method of manufacturing such a cellulose derivative optical retardation film and its use in a liquid crystal display or an imaging device.

Abstract: A method for identifying a Stream Control Transmission Protocol (SCTP) packet is provided, which includes: acquiring a feature tuple of a received SCTP packet, in which the feature tuple includes at least one piece of the following information: a source Internet Protocol (IP) address, a destination IP address, and a verification tag (V_tag); matching the acquired feature tuple of the SCTP packet with a SCTP tuple identification table, in which the SCTP tuple identification table includes a mapping relation between a feature set tuple and an SCTP association, and the feature set tuple includes at least one piece of the following information: a source IP address set, a destination IP address set, and the V_tag; and acquiring an SCTP association to which the SCTP packet belongs, if the acquired feature tuple of the SCTP packet matches one or more records of the SCTP tuple identification table.

Abstract: The present invention generally relates to composite laminates and uses thereof in articles in need of protection from mechanical damage and water or oxygen based degradation.

Abstract: A thermoplastic, hydrogenated vinyl aromatic/conjugated diene block polymer composition, especially a hydrogenated styrene/butadiene triblock composition, functions well as a LED encapsulating material in that it provides one or more of optical clarity, thermal stability, ultraviolet light resistance, melt-processability and injection-moldability. The resulting LED resists deformation after setting or hardening under typical solder reflow conditions.

Abstract: A curable liquid polysiloxane/TiO2 composite for use as a light emitting diode encapsulant is provided, comprising: a polysiloxane with TiO2 domains having an average domain size of less than 5 nm, wherein the curable liquid polysiloxane/TiO2 composite contains 20 to 60 mol % TiO2 (based on total solids); wherein the curable liquid polysiloxane/TiO2 composite exhibits a refractive index of >1.61 to 1.7 and wherein the curable liquid polysiloxane/TiO2 composite is a liquid at room temperature and atmospheric pressure. Also provided is a light emitting diode manufacturing assembly.

Abstract: A method of making a light emitting diode (LED) having an optical element is provided, comprising: providing a curable liquid polysiloxane/TiO2 composite, which exhibits a refractive index of >1.61 to 1.7 and which is a liquid at room temperature and atmospheric pressure; providing a semiconductor light emitting diode die having a face, wherein the semiconductor light emitting diode die emits light through the face; contacting the semiconductor light emitting diode die with the curable liquid polysiloxane/TiO2 composite; and, curing the curable liquid polysiloxane/TiO2 composite to form an optical element; wherein at least a portion of the optical element is adjacent to the face.

Abstract: The disclosure relates to a polycarbonate resin film with excellent clarity and flame retardance. The compositions comprise 100 parts by weight of a polycarbonate resin (A). The compositions further comprise 0.10 to 0.18 parts by weight of an alkali metal or alkaline earth metal salt compound (B) of a perfluoroalkane sulfonic acid. The compositions further comprise 0.05 to 0.35 parts by weight of a silicone compound (C). The film has an average thickness of 200 to 500 ?m, a degree of haze of 5% or lower as measured according to the conditions specified in JIS K7105, and a flame retardance of VTM-1 or VTM-0 at a thickness of 300 ?m as measured according to the UL94 test specified by the Underwriters Laboratories (UL).

Abstract: A method of making a light emitting diode (LED) having an optical element is provided, comprising: providing a curable liquid polysiloxane/TiO2 composite, which exhibits a refractive index of >1.61 to 1.7 and which is a liquid at room temperature and atmospheric pressure; providing a semiconductor light emitting diode die having a face, wherein the semiconductor light emitting diode die emits light through the face; contacting the semiconductor light emitting diode die with the curable liquid polysiloxane/TiO2 composite; and, curing the curable liquid polysiloxane/TiO2 composite to form an optical element; wherein at least a portion of the optical element is adjacent to the face.

Abstract: A curable liquid polysiloxane/TiO2 composite for use as a light emitting diode encapsulant is provided, comprising: a polysiloxane with TiO2 domains having an average domain size of less than 5 nm, wherein the curable liquid polysiloxane/TiO2 composite contains 20 to 60 mol % TiO2 (based on total solids); wherein the curable liquid polysiloxane/TiO2 composite exhibits a refractive index of >1.61 to 1.7 and wherein the curable liquid polysiloxane/TiO2 composite is a liquid at room temperature and atmospheric pressure. Also provided is a light emitting diode manufacturing assembly.

Abstract: A thermoset polyurethane composition having excellent impact and optical properties is prepared from a formulation comprising at least a prepolymer and a chain extender. The prepolymer includes an isocyanate component, containing 1,3-bis(isocyanatomethyl)cyclohexane and at least (20) percent by weight of 1,4-bis(isocyanatomethyl)cyclohexane, and an isocyanate-reactive component, containing hydroxyl, amine or thiol functionality. The isocyanate-reactive component includes from (70) to (95) percent by weight of a compound having a molecular weight from 150 to less than 950 Daltons, and from (5) to (30) percent by weight of a compound having a molecular weight from 2,000 to 4,500 Daltons. The chain extender is an aromatic, aliphatic, or cycloaliphatic polyamine compound containing at least one hydroxyl and/or thiol group. Articles that may be prepared include ophthalmic lenses, vehicle glazings, aircraft canopies, and the like.

Abstract: Plastic optical fibers or plastic optical fiber cores with good high temperature resistance to optical attenuation loss are prepared from a cyclic block copolymer characterized by a: A. Weight ratio of hydrogenated conjugated diene polymer block to hydrogenated vinyl aromatic polymer block of 35:65 to 10:90; B. Number average molecular weight (Mn) of from 40,000 to 150,000, grams per mole (g/mol); and C. Hydrogenation level such that each hydrogenated vinyl aromatic polymer block and each hydrogenated conjugated diene polymer block has a hydrogenation level of at least 95 percent.

Abstract: A method of making a light emitting diode (LED) having an optical element is provided, comprising: providing a curable liquid polysiloxane/TiO2 composite, which exhibits a refractive index of >1.61 to 1.7 and which is a liquid at room temperature and atmospheric pressure; providing a semiconductor light emitting diode die having a face, wherein the semiconductor light emitting diode die emits light through the face; contacting the semiconductor light emitting diode die with the curable liquid polysiloxane/TiO2 composite; and, curing the curable liquid polysiloxane/TiO2 composite to form an optical element; wherein at least a portion of the optical element is adjacent to the face.

Abstract: A curable liquid polysiloxane/TiO2 composite for use as a light emitting diode encapsulant is provided, comprising: a polysiloxane prepolymer with TiO2 domains having an average domain size of less than 5 nm, wherein the curable liquid polysiloxane/TiO2 composite contains 20 to 60 mol % TiO2 (based on total solids); wherein the curable liquid polysiloxane/TiO2 composite exhibits a refractive index of >1.61 to 1.7 and wherein the curable liquid polysiloxane/TiO2 composite is a liquid at room temperature and atmospheric pressure. Also provided is a light emitting diode manufacturing assembly.