Elsicon, Inc.

Other

National Research Council of Canada

Patricia A Rose

Wayne M Gibbons

Hanxing Zheng

Paul J Shannon

Michael G P Reppy

Suzanne R Abrams

Adrian John Cutler

Ken M Nelson

James Nyangulu

Bicyclic abscisic acid (ABA) analogs of Formula (I) and (II) and the process for their production are disclosed. The bicyclic ABA analogs include the structural elements and functional groups of the parent molecule that are required for activity, and have an aromatic ring fused to the ring replacing the vinyl methyl group of absicisie acid. Methods for using the bicyclic ABA analogs to inhibit cell growth and seed germination are also disclosed. 

Synthesis and biological activity of bicyclic ABA analogs

The present invention provides novel hybrid polymer useful for alignment layers for inducing alignment of a liquid crystal medium. Hybrid polymers of this invention are prepared from at least one component selected from the group consisting of monomer, oligomer and polymer within the class of polyimides, poly(amic acids) and esters thereof and at least one component selected from the group consisting of addition monomer and functionalized addition polymer wherein the two components are covalently bonded to form a copolymer. The invention further describes liquid crystal optical elements such as all liquid crystal display products or modes, liquid crystal devices and liquid crystal optical films comprising the novel hybrid polymer alignment layers.

Hybrid polymer materials for liquid crystal alignment layers

The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise reactive diamines containing a C&#x2013;Clinear or branched hydrocarbon chains containing 1 to 4 carbon&#x2014;carbon double bonds. The invention further describes liquid crystal displays comprising the novel polyimide optical alignment layers.

Photosensitive polyimides for optical alignment of liquid crystals

The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise crosslinking diamines containing a C&#x2013;Clinear or branched hydrocarbon chains containing 1 to 4 carbon&#x2014;carbon double bonds. The invention further describes liquid crystal displays comprising the novel polyimide optical alignment layers.

Materials for inducing alignment of liquid crystals and liquid crystal optical elements

The present invention provides novel hybrid polymer optical alignment layers for inducing alignment of a liquid crystal medium. Hybrid polymers of this invention are prepared from at least one component selected from the group consisting of monomer, macromonomer and polymer within the class of polyimides, poly(amic acids) and esters thereof and at least one component selected from the group consisting of addition monomer and functionalized addition polymer wherein the two components are covalently bonded to form a copolymer. The invention further describes liquid crystal displays comprising the novel branched hybrid polymer optical alignment layers.

The present invention provides novel hybrid polymer optical alignment layers for inducing alignment of a liquid crystal medium. Hybrid polymers of this invention comprise at least one component of a macromonomer or polymer within the class of polyimide, polyamic acids and esters thereof, and at least one additional component from the group consisting of an addition monomer, monomers and addition polymer that are covalently bonded with the first component to form a copolymer. The invention further describes liquid crystal displays comprising the novel branched hybrid polymer optical alignment layers.

Materials for inducing alignment in liquid crystals and liquid crystal displays

The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise crosslinking diamines containing a C -C linear or branched hydrocarbon chains containing 1 to 4 carbon-carbon double bonds. The invention further describes liquid crystal displays comprising the novel polyimide optical alignment layers.

Process and materials for inducing alignment of liquid crystals and liquid crystal optical elements

The present invention provides a process for preparing an optical alignment layer for aligning liquid crystals and liquid crystal displays comprising exposing polyimide layers with polarized light. The invention further describes optical alignment layers, liquid crystal displays incorporating optical alignment layers and novel polymer compositions within the class of polyimide, polyamic acids and esters thereof.

Growing community of inventors

Wilmington, DE, United States of America

Patricia A Rose