Back to results
US 11,307,462 B2Granted
Liquid crystal aligning agent composition, method for preparing liquid crystal alignment film using same, and liquid crystal alignment film and liquid crystal display using same
AssigneeLG Chem, Ltd.
InventorsSungjoon Min, Jung Ho Jo, Soonho Kwon, Hangah Park, Hyeongseuk Yun
Life of this patent
Estimating the term…
Abstract
Provided is a liquid crystal aligning agent composition comprising a hindered amine-based light stabilizer and a polyamic acid polymer derived from a diamine, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display using the same.
Claims14
A liquid crystal aligning agent composition, comprising:
- a polymer containing a polyamic acid repeating unit of the following Chemical Formula 1;
- and
- a light stabilizer compound containing a functional group of the following Chemical Formula 3:
- wherein in Chemical Formula 1:
- X1 is a tetravalent organic group;
- and
- Y1 is a divalent organic group of the following Chemical Formula 4:
- wherein in Chemical Formula 3:
- R1 is hydrogen or an alkyl group having 1 to 10 carbon atoms;
- R2 to R5 are the same as or different from each other, and are each independently an alkyl group having 1 to 10 carbon atoms;
- and
- L1 and L2 are the same as each other or different from each other, and are each independently a direct bond or an alkylene group having 1 to 10 carbon atoms.
9 more elements
Dependencies are inferred from the claim text.