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:
Dec. 08, 1992
Filed:
Dec. 21, 1990
Katsumi Kurematsu, Kawasaki, JP;
Nobuo Minoura, Yokohama, JP;
Haruyuki Yanagi, Yokohama, JP;
Masaaki Kanashiki, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A reflection type liquid crystal light valve comprises a first transparent substrate, a second transparent substrate for supporting the liquid crystal layer together with the first transparent substrate therebetween, a driver for driving liquid crystal molecules of the liquid crystal layer to modulate a light directed to the liquid crystal layer through the first transparent substrate, and a heat sink substrate attached to the second transparent substrate and having a reflection plane for reflecting the light directed thereto through the second transparent substrate to the first transparent substrate, on a plane thereof facing the second transparent substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile