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:
May. 04, 2010
Filed:
Sep. 27, 2006
Tetsuya Ohshima, Mobara, JP;
Hitoshi Taniguchi, Yokohama, JP;
Takayuki Ota, Oamishirasato, JP;
Fumihiko Hieda, Oamishirasato, JP;
Naotoshi Sumiya, Mobara, JP;
Tetsuya Ohshima, Mobara, JP;
Hitoshi Taniguchi, Yokohama, JP;
Takayuki Ota, Oamishirasato, JP;
Fumihiko Hieda, Oamishirasato, JP;
Naotoshi Sumiya, Mobara, JP;
Hitachi Display, Ltd., Mobara-shi, JP;
Abstract
In order to solve the problem that sufficient center brightness is not always obtained in a conventional liquid crystal TV and a liquid crystal monitor, a backlight module of the invention includes a plurality of cold cathode fluorescent lamps (CFL) and a diffusing reflector below, the distance between the respective CFLs is arranged so that a central portion is narrow and an end portion is wide, and the backlight module includes a triangular sectional projection structure on at the diffusing reflector only between the CFLs between which the distance is the widest, in the end portion. According to the invention, enhancement of the center brightness without increasing consumption power, reduction in the number of CFLs, and cost reduction accompanying it are achieved.