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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 10752839 B1

PDFFull Text
Date of Patent:
Aug. 25, 2020

Filed:

Aug. 29, 2014

Photoreactive liquid crystal composition, display element, optical element, method for manufacturing display element, and method for manufacturing optical element

Applicants:

University of Hyogo, Kobe-shi, JP;

Nagaoka University of Technology, Nagaoka-shi, JP;

Nissan Chemical Industries, Ltd., Chiyoda-ku, JP;

Inventors:

Tomoyuki Sasaki, Nagaoka, JP;

Hiroshi Ono, Nagaoka, JP;

Nobuhiro Kawatsuki, Himeji, JP;

Kohei Goto, Funabashi, JP;

Assignees:

UNIVERSITY OF HYOGO, Kobe-shi, JP;

NAGAOKA UNIVERISTY OF TECHNOLOGY, Nagaoka-shi, JP;

NISSAN CHEMICAL INDUSTRIES, LTD., Chiyoda-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Cynthia H Kelly

Assistant Examiner:

Anna Malloy

Int. Cl.
CPC ...
C09K 19/38 (2006.01); C09K 19/32 (2006.01); C09K 19/06 (2006.01); C09K 19/20 (2006.01); C09K 19/14 (2006.01); C09K 19/30 (2006.01); C09K 19/12 (2006.01); C09K 19/44 (2006.01); C09K 19/04 (2006.01); G03H 1/02 (2006.01);
U.S. Cl.
CPC ...
C09K 19/3852 (2013.01); C09K 19/062 (2013.01); C09K 19/12 (2013.01); C09K 19/14 (2013.01); C09K 19/2014 (2013.01); C09K 19/3001 (2013.01); C09K 19/322 (2013.01); C09K 19/38 (2013.01); C09K 19/44 (2013.01); C09K 2019/0448 (2013.01); C09K 2019/122 (2013.01); G03H 2001/0264 (2013.01); G03H 2260/12 (2013.01); G03H 2260/33 (2013.01);
Abstract

A photoreactive liquid crystal composition containing (A) a photoreactive polymer liquid crystal which includes a photoreactive side chain in which at least one type of reaction selected from (A-1) photocrosslinking and (A-2) photoisomerization occurs, and (B) a low molecular weight liquid crystal. An optical element or display element is formed having a liquid crystal cell including the photoreactive liquid crystal composition.

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