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 8556489 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 15, 2013

Filed:

May. 13, 2011
Applicants:

Chih-hua Cheng, Miaoli County, TW;

Yi-ting Chen, Hsinchu County, TW;

Yung-ta Huang, Changhua County, TW;

Inventors:

Chih-Hua Cheng, Miaoli County, TW;

Yi-Ting Chen, Hsinchu County, TW;

Yung-Ta Huang, Changhua County, TW;

Assignee:

E Ink Holdings Inc., Hsinchu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 29/02 (2006.01); F21V 7/20 (2006.01); G09F 13/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein is an LED backlight module, which includes a metallic plate, a metallic sidewall, a connecting portion, a light guide and an LED ribbon. The metallic sidewall is substantially perpendicular to the metallic plate and located beside a side edge of the metallic plate. The metallic side-plate has a lower edge extending downwards to a position beneath a lower surface of the metallic plate. The connecting portion extends in a direction towards the side edge of the metallic plate from the lower edge of the metallic sidewall, and is further connected to the side edge of the metallic plate. The light guide is disposed above the metallic plate, and the LED ribbon for emitting a light into the light guide is disposed on the metallic sidewall.


Find Patent Forward Citations

Cheng, Chih-Hua. (2013). Led backlight module with air convection space (U.S. Patent No. 8556489). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8556489

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

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