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:
Nov. 13, 2012
Filed:
Nov. 30, 2010
Chi-hung Chang, Hsin-Chu, TW;
Te-hai Tseng, Hsin-Chu, TW;
Cheng-wei LI, Hsin-Chu, TW;
Ching-sang Yang, Hsin-Chu, TW;
Chi-Hung Chang, Hsin-Chu, TW;
Te-Hai Tseng, Hsin-Chu, TW;
Cheng-Wei Li, Hsin-Chu, TW;
Ching-Sang Yang, Hsin-Chu, TW;
Au Optronics Corporation, Hsin-Chu, TW;
Abstract
A backlight module which includes a frame and a first prism film is provided. The frame includes sidewall which encloses an inner space. The first prism film is disposed within the inner space and has a plurality of prisms on it. The prisms are in parallel and adjacent to each other, and the prisms extend along a first extending direction. The first prism film has a surrounding edge, which includes a first edge and a second edge. The prisms include a center prism being substantially located in a center position of all prisms. The center prism insects the surrounding edge at two intersection points; a first distance Dis between the intersection point and the sidewall. The surrounding edge further has an end point being located farthest from the center prism. A second distance Dis between the end point and the sidewall. The first distance Dis larger than the second distance D.