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:
Apr. 26, 2005
Filed:
Sep. 02, 2003
Charles Leu, Fremont, CA (US);
Tai-cheng Yu, Tu-chen, TW;
Ga-lane Chen, Fremont, CA (US);
Hon Hai Precision Ind. Co., LTD, Taipei Hsien, TW;
Abstract
A backlight system () in accordance with the present invention includes a light guide plate () and two light sources () disposed adjacent opposite sides of the light guide plate. The light guide plate includes two incident surfaces (), a light exit surface () and a bottom surface () opposite to the light exit surface. The bottom surface has a plurality of diffusion units () therein, and a reflective film () thereon. Diffusion surfaces () of the plurality of the diffusion units cooperate with each other to form a curved face for directing light beams to be output from the light exit surface in a predetermined angular range.