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.:
Date of Patent:
Jan. 12, 1999
Filed:
Aug. 05, 1997
Applicant:
Inventors:
Masayuki Iwasaki, Tsurugashima, JP;
Kimiaki Sato, Tsurugashima, JP;
Akira Sugimoto, Tsurugashima, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229963 ; 2522996 ; 349182 ; 349113 ; 349123 ;
Abstract
A liquid crystal composition for use in a DAP mode liquid crystal display device of a homeotropic structure type contains at least one kind of predetermined tolan derivative. The liquid crystal composition is used for a liquid crystal display device of an active-matrix drive type. The liquid crystal composition is also used for a projection type display. The content of the predetermined tolan derivative is in a range of 3 wt % to 20 wt %.
Quick Actions:
Iwasaki, Masayuki. (1999). Dap mode liquid crystal display device (U.S. Patent No. 5858276). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5858276
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