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:
Sep. 13, 2011
Filed:
Oct. 19, 2006
Shin-chin Tseng, Taichung, TW;
Shen-hong Chou, Kaohsiung, TW;
Fu-cheng Wei, Jhubei, TW;
Shien-chih Ho, Jhubei, TW;
Horng-bin Hsu, Taipei, TW;
Chung Peng, Taichung, TW;
Shin-Chin Tseng, Taichung, TW;
Shen-Hong Chou, Kaohsiung, TW;
Fu-Cheng Wei, Jhubei, TW;
Shien-Chih Ho, Jhubei, TW;
Horng-Bin Hsu, Taipei, TW;
Chung Peng, Taichung, TW;
Au Optronics Corporation, Hsinchu, TW;
Abstract
A backlight unit usable in a liquid crystal display. In one embodiment, the backlight unit includes a substrate having an edge zone and a central zone surrounded by the edge zone, a first plurality of light emitting elements positioned in the central zone of the substrate, a second plurality of light emitting elements positioned in the edge zone of the substrate, and an electronic controlling means for controlling the light emitted from the first plurality of light emitting elements and the second plurality of light emitting elements such that in operation, the output power per unit area by the second plurality of light emitting elements in the edge zone is less than that by the first plurality of light emitting elements in the central zone.