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:
Jul. 06, 1976
Filed:
Mar. 31, 1975
Applicant:
Inventors:
Akio Moriyama, Katano, JA;
Masakazu Fukai, Nishinomiya, JA;
Seiichi Nagata, Sakai, JA;
Katsuji Hattori, Uji, JA;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350150 ; 3501 / ;
Abstract
Liquid crystal display in which a twisted nematic type liquid crystal cell is disposed between a linear polarizer and a guest-host type liquid crystal cell with homogeneous alignment and an electric field is selectively applied externally to arbitrary liquid crystal layers. Electro-optical control of inverted display of positive-to-negative images, complicated figure display and multi-color display is made possible.