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 8525422 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 03, 2013

Filed:

Nov. 11, 2010
Applicants:

Chiu-yuan Lin, Taipei, TW;

Chih-chieh HU, Taipei, TW;

Inventors:

Chiu-Yuan Lin, Taipei, TW;

Chih-Chieh Hu, Taipei, TW;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/00 (2006.01); H05B 39/00 (2006.01); H05B 41/00 (2006.01); H05B 37/02 (2006.01); H05B 39/04 (2006.01); H05B 41/36 (2006.01); H05B 41/16 (2006.01); H05B 41/24 (2006.01); G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A backlight apparatus includes light emitting diode (LED) modules. Each LED module includes a first connection pin set, a second connection pin set, a driving circuit, a first LED string, and a second LED string. Each of the connection pin sets has a first and second power connection pins and a first and second ground connection pins. The first and second power connection pins are coupled to each other, and the first and second ground connection pins are coupled to each other. The first ground connection pin of the first connection pin set is coupled to the first power connection pin of the second connection pin set. The driving circuit is used to provide a driving signal. Each of the LED strings is serially connected between the second power connection pin and the second ground connection pin of each of the connection pin sets and receives the driving signal.


Find Patent Forward Citations

Lin, Chiu-Yuan. (2013). Backlight apparatus (U.S. Patent No. 8525422). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8525422

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