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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10287502 B1

PDFFull Text
Date of Patent:
May. 14, 2019

Filed:

May. 10, 2016

Liquid crystal composition containing polymerizable compound and liquid crystal display element using the same

Applicant:

Dic Corporation, Tokyo, JP;

Inventors:

Kazuki Kurisawa, Kitaadachi-gun, JP;

Takeshi Kuriyama, Kitaadachi-gun, JP;

Shotaro Kawakami, Saitama, JP;

Assignee:

DIC CORPORATION (TOKYO), Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

Chanceity N Robinson

Int. Cl.
CPC ...
C09K 19/20 (2006.01); C09K 19/54 (2006.01); C09K 19/12 (2006.01); C09K 19/34 (2006.01); C09K 19/32 (2006.01); C09K 19/30 (2006.01); C09K 19/56 (2006.01); G02F 1/1337 (2006.01); C09K 19/10 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01); G02F 1/1341 (2006.01); C09K 19/04 (2006.01);
U.S. Cl.
CPC ...
C09K 19/542 (2013.01); C09K 19/10 (2013.01); C09K 19/12 (2013.01); C09K 19/20 (2013.01); C09K 19/3003 (2013.01); C09K 19/3028 (2013.01); C09K 19/3066 (2013.01); C09K 19/322 (2013.01); C09K 19/3402 (2013.01); C09K 19/3483 (2013.01); C09K 19/56 (2013.01); G02F 1/1341 (2013.01); G02F 1/133365 (2013.01); G02F 1/133528 (2013.01); G02F 1/133703 (2013.01); G02F 1/133723 (2013.01); G02F 1/133788 (2013.01); C09K 19/3411 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/121 (2013.01); C09K 2019/122 (2013.01); C09K 2019/123 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3004 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3036 (2013.01); C09K 2019/3037 (2013.01); C09K 2019/325 (2013.01); C09K 2019/3416 (2013.01); C09K 2019/3425 (2013.01); C09K 2019/548 (2013.01); G02F 1/133753 (2013.01); G02F 2001/133397 (2013.01); G02F 2001/133742 (2013.01); G02F 2001/133746 (2013.01); G02F 2001/133749 (2013.01); G02F 2202/022 (2013.01);
Abstract

A liquid crystal composition containing a polymerizable compound of the present invention has excellent characteristics of being able to prepare a PSA type liquid crystal display element with no problem of depositing in a wide temperature range, having high polymerization speed, high liquid crystal alignment regulation force after polymerization, excellent display qualities with no display unevenness, and excellent display characteristics with no defects in display characteristics such as image sticking and is appropriate as a liquid crystal composition in a practical use. Further, the liquid crystal display element with the above-described liquid crystal composition can be appropriately used for a PSA type liquid crystal display element.

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