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:
Feb. 18, 1992
Filed:
Sep. 19, 1988
Applicant:
Inventors:
Jun Sasaki, Tokyo, JP;
Akira Ogawa, Tokyo, JP;
Yasumasa Akimoto, Tokyo, JP;
Takao Minato, Tokyo, JP;
Hajime Ohnishi, Tokyo, JP;
Assignee:
Toppan Printing Co., Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
359 64 ; 359 81 ; 359 93 ;
Abstract
The present invention provides a color display system characterized in that polarized surface control means comprises a ferro-electric liquid crystal cell, and a spacer and adhesive layer is interposed between a first panel and a second panel, the spacer and adhesive layer substantially setting a gap d between the first and second panels holding the ferroelectric liquid crystal therebetween to electrically drive the same to: ##EQU1## wherein: .lambda.: specific wavelength