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Title:
AUXILIARY ALIGNMENT AGENT AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/127700
Kind Code:
A1
Abstract:
An auxiliary alignment agent comprises a homogenous mixture of polycarboxylic acid represented by Formula 1 and a polyamide represented by Formula 2, wherein, in Formula 1 and Formula 2, group A is a cycloalkane or an aromatic hydrocarbon, and n is an integer not less than 2. The application of the auxiliary alignment agent in a liquid crystal display panel includes forming of the auxiliary alignment agent by selecting and mixing a polycarboxylic acid and a polyamide, dissolving the auxiliary alignment agent in a solvent to form an alignment cleaning agent, for use after substrate cleaning and baking, and the polycarboxylic acid and the polyamide can undergo an intermolecular reaction to form an auxiliary alignment film of the polyamide, which is deposited on the substrate surface, thereby eliminating quality discrepancies of the surface material of the substrate. Intermolecular hydrogen bonds can also be formed between polar groups on the auxiliary alignment film and the polar group of a self-aligned liquid crystal material, thereby improving the anchoring ability of the self-aligned liquid crystal material on the substrate surface, so as to effectively solve light leakage problems in the prior art.

Inventors:
LAN, Song (No. 9-2, Tangming Road Guangmin, Shenzhen Guangdong 2, 518132, CN)
LEE, Yung-jui (No. 9-2, Tangming Road Guangmin, Shenzhen Guangdong 2, 518132, CN)
CHEN, Hsiao Hsien (No. 9-2, Tangming Road Guangmin, Shenzhen Guangdong 2, 518132, CN)
Application Number:
CN2018/073013
Publication Date:
July 04, 2019
Filing Date:
January 17, 2018
Export Citation:
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Assignee:
SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. (No. 9-2, Tangming Road Guangmin, Shenzhen Guangdong 2, 518132, CN)
International Classes:
G02F1/1337; C07C61/08; C07C63/40; C07C211/36; C07C211/51; C08G69/26; C08G69/32
Foreign References:
CN1779531A2006-05-31
CN104685412A2015-06-03
CN107463029A2017-12-12
Attorney, Agent or Firm:
MING & YUE INTELLECTUAL PROPERTY LAW FIRM (Room 604, Building 2 Oceanwide City Square, Qianhai Road, Nanshan Street, Nanshan Distric, Shenzhen Guangdong 6, 518066, CN)
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