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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 10358602 B1

PDFFull Text
Date of Patent:
Jul. 23, 2019

Filed:

Jul. 14, 2017

Liquid crystal compound having polyfluoro-2-butenoxy group, liquid crystal composition and liquid crystal display device

Applicants:

Jnc Corporation, Tokyo, JP;

Jnc Petrochemical Corporation, Tokyo, JP;

Inventor:

Akihiro Takata, Chiba, JP;

Assignees:

JNC CORPORATION, Tokyo, JP;

JNC PETROCHEMICAL CORPORATION, Tokyo, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Geraldina Visconti

Int. Cl.
CPC ...
G02F 1/1333 (2006.01); C09K 19/44 (2006.01); C09K 19/04 (2006.01); C09K 19/06 (2006.01); C09K 19/12 (2006.01); C09K 19/32 (2006.01); C09K 19/18 (2006.01); C09K 19/30 (2006.01); C09K 19/34 (2006.01);
U.S. Cl.
CPC ...
C09K 19/44 (2013.01); C09K 19/04 (2013.01); C09K 19/066 (2013.01); C09K 19/12 (2013.01); C09K 19/322 (2013.01); C09K 2019/0444 (2013.01); C09K 2019/0466 (2013.01); C09K 2019/181 (2013.01); C09K 2019/301 (2013.01); C09K 2019/304 (2013.01); C09K 2019/308 (2013.01); C09K 2019/3009 (2013.01); C09K 2019/3016 (2013.01); C09K 2019/3019 (2013.01); C09K 2019/3021 (2013.01); C09K 2019/3042 (2013.01); C09K 2019/3077 (2013.01); C09K 2019/3422 (2013.01); C09K 2019/3425 (2013.01);
Abstract

Provided are a liquid crystal compound having larger dielectric anisotropy and superb heating reliability in comparison with a similar compound, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound is represented by formula (1). In formula (1), for example, Ris alkyl having 1 to 15 carbons, ring Ais 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, 1,4-phenylene in which at least one hydrogen is replaced by halogen or tetrahydropyran-2,5-diyl; Zis a single bond or —CFO—; Land Lare hydrogen or halogen; Yand Yare hydrogen or halogen; and a is an integer from 1 to 4.

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