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:
Oct. 19, 2004
Filed:
Sep. 18, 2002
Applicant:
Inventors:
Satoshi Niiyama, Kanagawa, JP;
Noriko Suehiro, Kanagawa, JP;
Assignee:
OPTREX Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/133 ;
U.S. Cl.
CPC ...
G02F 1/133 ;
Abstract
There are provided at least two liquid crystal panels including the liquid crystals developing a memory effect, the liquid crystal developing a memory effect on a no-viewer side has a selective reflection wavelength set at 615 nm to 665 nm, the liquid crystal developing a memory effect on a viewer side has a selective reflection wavelength set at 490 nm to 540 nm, and a color filter having a certain transmission property is provided between the liquid crystal developing a memory effect on the viewer side and the liquid crystal developing a memory effect on the no-viewer side.