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.:
Date of Patent:
Apr. 03, 2012
Filed:
Apr. 29, 2009
Ke-horng Chen, Banciao, TW;
Chia-lin Chiu, Jhongli, TW;
Ling LI, Hualien, TW;
Chia-lin Liu, Daya Township, Taichung County, TW;
Chi-neng MO, Jhongli, TW;
Ke-Horng Chen, Banciao, TW;
Chia-Lin Chiu, Jhongli, TW;
Ling Li, Hualien, TW;
Chia-Lin Liu, Daya Township, Taichung County, TW;
Chi-Neng Mo, Jhongli, TW;
Chunghwa Picture Tubes, Ltd., Bade, Taoyuan, TW;
Abstract
The present invention relates to a current-balance circuit and a backlight module having the same. The current balance circuit includes a current balance unit, a control unit, and a detection unit. The current balance unit is connected to a plurality of light units to regulate the current of the plurality of light units, independent from the effects of input voltage. The detection unit is connected to the plurality of light units and the current balance unit to detect the minimum operating voltage for the plurality of light units. The control unit, connected to the current balance unit, controls the operation of the plurality of light units.