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:
Nov. 25, 2014
Filed:
May. 30, 2011
Chia-chun Liu, Hsinchu County, TW;
Chung-wen Wu, Yilan County, TW;
Chien-cheng Tu, Hsinchu, TW;
Sih-ting Wang, Kaohsiung, TW;
Chia-Chun Liu, Hsinchu County, TW;
Chung-Wen Wu, Yilan County, TW;
Chien-Cheng Tu, Hsinchu, TW;
Sih-Ting Wang, Kaohsiung, TW;
NOVATEK Microelectronics Corp., Hsinchu Science Park, Hsin-Chu, TW;
Abstract
An integrated backlight driving chip for driving a light-emitting diode backlight module includes a scaler circuit and a backlight driving circuit. The scaler circuit includes a digital control unit for generating a digital control signal, and a variable reference voltage generation unit for generating a reference voltage. The backlight driving circuit is coupled to the digital control unit, the variable reference voltage generation unit, and the LED backlight module, for generating a backlight driving signal according to the digital control signal and the reference voltage so as to drive the LED backlight module.