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. 24, 2003
Applicants:
I-kai Pan, Kaohsiung, TW;
Po-hung Yau, Kaohsiung, TW;
Yu-nan Pao, Hsinchu, TW;
Chi-feng Chen, Yunlin Hsien, TW;
Inventors:
I-Kai Pan, Kaohsiung, TW;
Po-Hung Yau, Kaohsiung, TW;
Yu-Nan Pao, Hsinchu, TW;
Chi-Feng Chen, Yunlin Hsien, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S004/00 ;
U.S. Cl.
CPC ...
Abstract
An apparatus for improving uniformity used in backlight module is disclosed, which includes a plurality of light sources for providing an illuminating light; a reflective housing adjacent to the light sources for receiving the light sources and reflecting the illuminating light; and at least one structured arc sheet locating at the periphery of the light source for making the illuminating light uniform.