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:
Jun. 10, 2003
Filed:
Apr. 18, 2001
Takayuki Ishihara, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
A liquid crystal display apparatus includes a liquid crystal panel, a transparent light guide panel disposed in front of the liquid crystal panel and having one irregular surface for emitting light entering from a light source toward the liquid crystal panel, and a reflector disposed behind the liquid crystal panel for reflecting light passing through the light guide panel and the liquid crystal panel toward the liquid crystal panel and the light guide panel. The irregular surface of the light guide panel is partially formed with an absorbing layer for absorbing external light or a light storing layer for storing light.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile