US 9,146,427 B2 · Norbornene monomer, polynorbornene derivative, liquid crystal photoalignment film containing the same and liquid crystal display containing the same

Abstract

The present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same. More particularly, the present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same, which have an alignment property by photoreaction, excellent thermal stability and photoreactivity, the increased photo-reaction rate and reliability of the alignment film, thereby showing high manufacturing process efficiency.

Claims2

Dependent claims

A norbornene monomer derivative that is represented by the following Formula 1:

wherein P is an integer in the range of 0 to 4,
X and Y are the same as each other or different from each other, and substituted or unsubstituted C1-20 alkylene, carbonyl, carboxy, or substituted or unsubstituted C6-40 arylene,
a and b are an integer in the range of 1 to 5,
R1 and R2 are the same as each other or different from each other, and each selected from the group consisting of substituted or unsubstituted C1-20 alkyl and substituted or unsubstituted C1-20 alkoxy.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

14/227,878Filed 27 Mar 2014 · division

Priority

KR 10-2008-008033718 Aug 2008

Published

US 2014/0213815 A131 Jul 2014

Granted

29 Sep 2015

Term ends

Not estimatedThe source records don’t support an estimate.

Classification15 codes

G02F 1/13378
Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers: by treatment of the surface, e.g. embossing, rubbing or…
C07C 51/567
Preparation of carboxylic acid anhydrides: by reactions not involving carboxylic acid anhydride groups
C07C 57/50
Containing six-membered aromatic rings and other rings, e.g. cyclohexylphenylacetic acid: containing condensed ring systems
C07C 69/618
Esters of carboxylic acids having a carboxyl group bound to an acyclic carbon atom and having a six-membered aromatic ring in the acid moiety:…

Norbornene monomer, polynorbornene derivative, liquid crystal photoalignment film containing the same and liquid crystal display containing the same

Life of this patent

Norbornene monomer, polynorbornene derivative, liquid crystal photoalignment film containing the same and liquid crystal display containing the same

Life of this patent

Abstract

Claims2