Abstract: Improved thermoplastic polyurethane compositions include a diol component and a diisocyanate component wherein the diol component comprises at least one linear aliphatic diol having the general formulas HO—(CH2)x-OH wherein x is an integer from 9 to 18 and one or more cyclic diols having 6 or more carbons, or one or more aromatic diols, wherein the molar ratio of isocyanate groups to alcohols (NCO Ratio) is from about 0.95 to 1.05, and the reaction mixture comprises less than 20% of a polymeric diol component having a glass transition temperature of less than 0° C. The TPU compositions exhibit a combination of moderate elastic modulus, high elongation to yield, high elongation to break, high optical clarity, good stain resistance, good elastic recovery, and excellent force retention in the presence of water at moderate temperatures.

Abstract: An integrated circuit is configured for optical communication via an optical polymer stack located on top of the integrated circuit. The optical polymer stack may include one or more electro-optic polymer devices including an electro-optic polymer. The electro-optic polymer may include a host polymer and a second order nonlinear chromomophore, the host polymer and the chromophore both including aryl groups configured to interact with one another to provide enhanced thermal and/or temporal stability.

Abstract: An integrated circuit is configured for optical communication via an optical polymer stack located on top of the integrated circuit. The optical polymer stack may include one or more electro-optic polymer devices including an electro-optic polymer. The electro-optic polymer may include a host polymer and a second order nonlinear chromomophore, the host polymer and the chromophore both including aryl groups configured to interact with one another to provide enhanced thermal and/or temporal stability.

Abstract: Disclosed are improved wavelength conversion components having photo-luminescent materials embedded into a hermetic material. Phosphor materials are embedded into a layer of glass, which is then utilized in a remote phosphor LED lighting apparatus. Methods for manufacturing these advanced wavelength conversion components are also described.

Abstract: An integrated circuit is configured for optical communication via an optical polymer stack located on top of the integrated circuit. The optical polymer stack may include one or more electro-optic polymer devices including an electro-optic polymer. The electro-optic polymer may include a host polymer and a second order nonlinear chromomophore, the host polymer and the chromophore both including aryl groups configured to interact with one another to provide enhanced thermal and/or temporal stability.

Abstract: Disclosed is a method for preparing a semiconductor nanocrystal, comprising: forming a reaction mixture comprising injecting one or more first semiconductor nanocrystal precursors including one or more Group V elements and one or more Group VI elements into a mixture including one or more second semiconductor nanocrystal precursors including one or more Group II elements and one or more Group III elements at a first temperature; and reacting the first and second semiconductor nanocrystal precursors in the reaction mixture at a second temperature for a period time sufficient to form a semiconductor nanocrystal core comprising at least a portion of the one or more Group II elements, one or more Group III elements, one or more Group V elements, and one or more Group VI elements included in the first and second semiconductor nanocrystal precursors, wherein the second temperature is greater than the first temperature.

Abstract: A method for preparing semiconductor nanocrystals includes adding a non-protonated surface modification agent to semiconductor nanocrystal cores in a liquid medium to form a mixture; adding one or more precursors for forming a shell including a semiconductor material to the mixture under conditions for forming the shell over at least a portion of an outer surface of the cores, and adding an acid ligand to the mixture after addition of at least a portion of the one or more precursors. Semiconductor nanocrystals, other methods of making semiconductor nanocrystals, compositions and products including semiconductor nanocrystals are also disclosed.

Abstract: According to an embodiment, an electro-optic polymer comprises a host polymer and a guest nonlinear optical chromophore having the structure D-?-A, wherein: D is a donor, ? is a ?-bridge, and A is an acceptor; a bulky substituent group is covalently attached to at least one of D, ?, or A; and the bulky substituent group has at least one non-covalent interaction with part of the host polymer that impedes chromophore depoling.

Abstract: According to an embodiment, an electro-optic polymer comprises a host polymer and a guest nonlinear optical chromophore having the structure D-?-A, wherein: D is a donor, ? is a ?-bridge, and A is an acceptor; a bulky substituent group is covalently attached to at least one of D, ?, or A; and the bulky substituent group has at least one non-covalent interaction with part of the host polymer that impedes chromophore depoling.

Abstract: Disclosed are improved wavelength conversion components having photo-luminescent materials embedded into a hermetic material. Phosphor materials are embedded into a layer of glass, which is then utilized in a remote phosphor LED lighting apparatus. Methods for manufacturing these advanced wavelength conversion components are also described.

Abstract: An integrated circuit is configured for optical communication via an optical polymer stack located on top of the integrated circuit. The optical polymer stack may include one or more electro-optic polymer devices including an electro-optic polymer. The electro-optic polymer may include a host polymer and a second order nonlinear chromomophore, the host polymer and the chromophore both including aryl groups configured to interact with one another to provide enhanced thermal and/or temporal stability.

Abstract: According to an embodiment, an electro-optic polymer comprises a host polymer and a guest nonlinear optical chromophore having the structure D-?-A, wherein: D is a donor, ? is a ?-bridge, and A is an acceptor; a bulky substituent group is covalently attached to at least one of D, ?, or A; and the bulky substituent group has at least one non-covalent interaction with part of the host polymer that impedes chromophore depoling.

Abstract: According to an embodiment, a nonlinear optical chromophore includes the structure D-?-A, wherein D is a donor, ? is a ?-bridge, and A is an acceptor, and wherein at least one of D, ?, or A is covalently attached to a substituent group including a substituent center that is directly bonded to at least three aryl groups.

Abstract: In various embodiments, chromophores are described that include novel election acceptors, novel electron donors, and/or novel conjugated bridges that are useful in nonlinear optical applications. In some embodiments, the present invention provides chromophore architectures wherein a chromophore contains more than one electron acceptor in electronic communication with a single election donor, and/or more than one electron donor in electronic communication with a single electron acceptor. Also described is processes for providing materials comprising the novel chromophores and polymer matrices containing the novel chromophores. Electro-optic devices described herein contain one or more of the described electron acceptors, electron donors, conjugated bridges, or chromophores.

Abstract: A electro-optic composite comprising a polymer having the structure and a nonlinear optical chromophore having the structure D-?-A, wherein: R is an alkyl, aryl, heteroalkyl, or heteroaryl, group; D is a donor; ? is a ? bridge; A is an acceptor; n=0-4; m=1-4; and o=1-4.

Abstract: In various embodiments, chromophores are described that include novel election acceptors, novel electron donors, and/or novel conjugated bridges that are useful in nonlinear optical applications. In some embodiments, the present invention provides chromophore architectures wherein a chromophore contains more than one electron acceptor in electronic communication with a single election donor, and/or more than one electron donor in electronic communication with a single electron acceptor. Also described is processes for providing materials comprising the novel chromophores and polymer matrices containing the novel chromophores. Electro-optic devices described herein contain one or more of the described electron acceptors, electron donors, conjugated bridges, or chromophores.

Abstract: According to an embodiment, a nonlinear optical chromophore includes the structure D-?-A, wherein D is a donor, ? is a ?-bridge, and A is an acceptor, and wherein at least one of D, ?, or A is covalently attached to a substituent group including a substituent center that is directly bonded to at least three aryl groups.

Abstract: Acceptor compounds useful for making hyperpolarizable organic chromophores having a ?-donor conjugated to a ?-acceptor through a ?-bridge.

Abstract: Crosslinked polymer blends comprising a poly(arylene ether) and a nonlinear optical chromophore. Also featured are electro-optic devices incorporating these blends.

Abstract: A electro-optic composite comprising a polymer having the structure and a nonlinear optical chromophore having the structure D-?-A, wherein: R is an alkyl, aryl, heteroalkyl, or heteroaryl, group; D is a donor; ? is a n bridge; A is an acceptor; n=0-4; m=1-4; and o=1-4.