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.:

US 7637647 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 29, 2009

Filed:

Aug. 12, 2008
Applicant:

Yan-zuo Chen, Taoyuan County, TW;

Inventor:

Yan-Zuo Chen, Taoyuan County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 8/10 (2006.01); F21V 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A back light module including a back plate, a light source and a bar lens is disclosed. The bar lens includes a top and a bottom center transparent surfaces, a right and a left top total internal reflection surfaces, a right and a left first emitting surfaces, a right and a left second emitting surfaces, a right and a left bottom total internal reflection surfaces and a right and a left bottom incident surfaces. The center bottom transparent surface is located between the top center transparent surface and the light source. The connecting sequence along the right of bar lens from top center transparent surface is the right top total internal reflection surface, the right first emitting surface, the right second emitting surface, right bottom total internal reflection surface, the right incident surface and the center bottom transparent surface. The connecting sequence on the left is similar to the right.


Find Patent Forward Citations

Chen, Yan-Zuo. (2009). Back light module (U.S. Patent No. 7637647). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7637647

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…