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.

Date of Patent:
Mar. 04, 2014

Filed:

Nov. 11, 2011
Applicants:

Chia-chun Liu, Hsinchu County, TW;

Chung-wen Wu, Yilan County, TW;

Chien-cheng Tu, Hsinchu, TW;

Sih-ting Wang, Kaohsiung, TW;

Inventors:

Chia-Chun Liu, Hsinchu County, TW;

Chung-Wen Wu, Yilan County, TW;

Chien-Cheng Tu, Hsinchu, TW;

Sih-Ting Wang, Kaohsiung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image processing circuit and a light illumination module are provided. The light illumination module has an integrated circuit and a plurality of light emitting diode (LED) strings connected in parallel. The integrated circuit could be the image processing circuit. Each of the LED strings has a plurality of LEDs connected in series. The integrated circuit has a driving circuit coupled to the LED strings. The driving circuit supplies a driving voltage to first ends of the LED strings to drive the LED strings. The driving circuit is also configured to maintain a voltage value of the driving voltage obtained while all of the strings of the light emitting diodes are turned on, until all of the LED strings are turned on again. Accordingly, the interference of the LED strings is decreased, and the LED strings operate more stably.


Find Patent Forward Citations

Loading…