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:
Jan. 06, 2015
Filed:
Jul. 21, 2010
Hyuk-hwan Kim, Asan-si, KR;
Seki Park, Asan-si, KR;
Byoung Dae YE, Yongin-si, KR;
Dongmin Yeo, Asan-si, KR;
Sang-chul Byun, Anyang-si, KR;
Hyuk-Hwan Kim, Asan-si, KR;
Seki Park, Asan-si, KR;
Byoung Dae Ye, Yongin-si, KR;
Dongmin Yeo, Asan-si, KR;
Sang-Chul Byun, Anyang-si, KR;
Samsung Display Co., Ltd., , KR;
Abstract
A backlight driving circuit for a display apparatus includes a receiver, a signal modulation detector and a driver. The receiver receives a clock signal and a brightness data signal by a serial transmission and in response to an enable signal. The brightness data signal is synchronized with the clock signal and includes brightness information. The signal modulation detector detects a modulation of the brightness data signal, based on at least one of the clock signal and the enable signal, and outputs a control signal based on a detected result thereof. The driver receives the brightness data signal, in synchronization with the clock signal, selects one of the brightness data signal and a predetermined reference brightness data signal in response to the control signal, generates a driving voltage using the selected brightness data signal, and provides the driving voltage to the backlight unit to control the brightness of the backlight unit.