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 9271356 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 23, 2016

Filed:

Dec. 30, 2010
Applicant:

Ming-xian LI, Taoyuan County, TW;

Inventor:

Ming-Xian Li, Taoyuan County, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); H05B 33/08 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0827 (2013.01); G09G 3/3406 (2013.01);
Abstract

A backlight module and a driving circuit are provided. The driving circuit includes a plurality of current sources and a current switching unit. The current sources provide a plurality of driving currents. The current switching unit is coupled between a plurality of light emitting element strings and the current sources for transmitting the driving currents to the light emitting element strings, and switching the driving currents received by the light emitting element strings by timing. Therefore, the brightness of the light emitting element strings can be equalized.


Find Patent Forward Citations

Li, Ming-Xian. (2016). Backlight module and driving circuit (U.S. Patent No. 9271356). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9271356

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

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