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. 18, 2014
Filed:
Mar. 15, 2011
Sih-ting Wang, Kaohsiung, TW;
Chung-wen Wu, Yilan County, TW;
Chien-cheng Tu, Hsinchu, TW;
Chia-chun Liu, Hsinchu County, TW;
Sih-Ting Wang, Kaohsiung, TW;
Chung-Wen Wu, Yilan County, TW;
Chien-Cheng Tu, Hsinchu, TW;
Chia-Chun Liu, Hsinchu County, TW;
NOVATEK Microelectronics Corp., Hsinchu Science Park, Hsin-Chu, TW;
Abstract
A light-emitting diode driving device includes a light-emitting diode driving chip, for driving the one or more light-emitting diode strings according to a feedback voltage associated with the one or more light-emitting diode strings, and a voltage limiter, having a terminal coupled to the light-emitting diode driving chip and another terminal coupleable to the one or more light-emitting diode strings, for generating the feedback voltage for provision to the light-emitting diode driving chip according to a bottom voltage of the one or more light-emitting diode strings, and limiting the feedback voltage not to exceed a preset level.