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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 9822304 B1

PDFFull Text
Date of Patent:
Nov. 21, 2017

Filed:

Mar. 25, 2013

Liquid crystal composition and liquid crystal display element containing the same

Applicant:

Dic Corporation, Tokyo, JP;

Inventors:

Joji Kawamura, Kita-adachi-gun, JP;

Makoto Negishi, Kita-adachi-gun, JP;

Yoshinori Iwashita, Ichihara, JP;

Assignee:

DIC CORPORATION, Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian

Primary Examiner:

Geraldina Visconti

Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/34 (2006.01); C09K 19/06 (2006.01); C09K 19/44 (2006.01); C09K 19/20 (2006.01); C09K 19/04 (2006.01); C09K 19/12 (2006.01); C09K 19/30 (2006.01); G02F 1/1339 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3402 (2013.01); C09K 19/062 (2013.01); C09K 19/063 (2013.01); C09K 19/20 (2013.01); C09K 19/3066 (2013.01); C09K 19/44 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/122 (2013.01); C09K 2019/123 (2013.01); C09K 2019/124 (2013.01); C09K 2019/301 (2013.01); C09K 2019/3004 (2013.01); C09K 2019/3006 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/3015 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3019 (2013.01); C09K 2019/3021 (2013.01); C09K 2019/3025 (2013.01); C09K 2019/3071 (2013.01); C09K 2019/3077 (2013.01); C09K 2019/3078 (2013.01); C09K 2019/3422 (2013.01); G02F 1/13394 (2013.01);
Abstract

It is an object of the present invention to provide a liquid crystal composition having positive Δ∈, having a liquid crystal phase in a wide temperature range, having high solubility at low temperatures, having high ODF process compatibility, having a high specific resistance and voltage holding ratio, and being insensitive to heat and light. In order to achieve this object, there is provided a liquid crystal composition containing at least one compound represented by the following general formula (i) and at least one compound represented by the following general formula (ii).

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