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US 9,547,198 B2Granted
Liquid crystal horizontal orientation agent, horizontal orientation type liquid crystal composition, and horizontal orientation type liquid crystal display device and method of fabricating the same
AssigneesLG Display Co., Ltd., Yamagata University
InventorsMomoi Yuichi, Mu-Sun Kwak, Koda Tomonori, Yonetake Koichiro, Haba Osamu
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Abstract
The present invention provides a liquid crystal horizontal orientation agent, a horizontal orientation type liquid crystal composition, a horizontal orientation type LCD device and a method of fabricating the horizontal orientation type LCD device. In one embodiment, the liquid crystal molecule is horizontally oriented by the liquid crystal horizontal orientation agent without the rubbed orientation layer.
Claims6
A liquid crystal display device, comprising:
- a first substrate including comb-shaped electrodes;
- a second substrate facing the first substrate;
- and
- a liquid crystal layer including a liquid crystal component and a liquid crystal horizontal orientation agent, the liquid crystal horizontal orientation agent including a core;
- and a dendrimer including a dendron part linked with the core,
- wherein a liquid crystal molecule in the liquid crystal layer is horizontally oriented with respect to the first and second substrates by a polarized UV ray with and without an electric field between the comb-shaped electrodes,
- wherein the core has a first formula of:
- and the dendron part has a second formula of:
- wherein each of “a” and “b” is an integer of 2 to 5, and R has a third formula of:
- wherein “c” is an integer of 3 to 12, and “A” is one of:
- wherein “B” is one of:
- and “R1” is selected from C1 to C12 alkyl, C1 to C12 alkoxy and fluorine.
9 more elements
Dependencies are inferred from the claim text.