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:
Jul. 25, 2006
Filed:
Dec. 31, 2003
Applicants:
Tai-cheng Yu, Tu-chen, TW;
Charles Leu, Fremont, CA (US);
Ga-lane Chen, Fremont, CA (US);
Inventors:
Assignee:
Hon Hai Precision Ind. Co., Ltd., Taipei Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a light guide plate () including a transparent plate () having an emitting surface () with a plurality of hemispherical embossments () formed thereon continuously side-by-side in rows and columns. The transparent plate also has a bottom surface () opposite to the emitting surface, with a plurality of hemispherical embossments () formed on the bottom surface. The embossments of the emitting and bottom surfaces all face in a direction away from the transparent plate. Other embodiments are also provided.