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. 15, 1991
Filed:
Apr. 26, 1989
Applicant:
Inventors:
Rinjiro Ichikawa, Tokyo, JP;
Kenji Hashimoto, Tokyo, JP;
Assignee:
Fujimori Kogyo Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F / ; G02F / ;
U.S. Cl.
CPC ...
428-1 ; 350330 ; 350346 ;
Abstract
A liquid crystal display panel incorporating an optical phase shifting substrate which comprises a liquid crystal cell, a pair of polarizing sheets disposed on opposing sides thereof, and a couple of substrates each having a transparent electrode layer, one of the substrates being either an optical phase shifting single oriented synthetic resin film or a laminate film comprising an optically isotropic amorphous film laminated to at least one side of the above optical phase shifting film and the other substrate being either a single-layer or multi-layer optically isotropic amorphous film or a glass sheet.