Invention Grant
US08686937B2 Backlight unit with feedback circuit and driving method using the same
有权
具有反馈电路的背光单元及使用其的驱动方法
- Patent Title: Backlight unit with feedback circuit and driving method using the same
- Patent Title (中): 具有反馈电路的背光单元及使用其的驱动方法
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Application No.: US11408897Application Date: 2006-04-21
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Publication No.: US08686937B2Publication Date: 2014-04-01
- Inventor: Yeon-Taek Yoo
- Applicant: Yeon-Taek Yoo
- Applicant Address: KR Seoul
- Assignee: LG Display Co. Ltd.
- Current Assignee: LG Display Co. Ltd.
- Current Assignee Address: KR Seoul
- Agency: Brinks Gilson & Lione
- Priority: KR10-2005-0102668 20051029; KR10-2006-0036066 20060421
- Main IPC: G09G3/36
- IPC: G09G3/36
Abstract:
A backlight unit includes: an array unit, wherein the array unit comprises an input terminal, a first output terminal and an array coupled to the input terminal and coupled to the first output terminal, the array including a plurality of light emitting diodes; a switching unit coupled to the input terminal and coupled to the array; and a comparison unit coupled to the first output terminal and coupled to a control unit and operable to compare a reference current with an output current of the first output terminal; wherein the control unit controls the switching unit.
Public/Granted literature
- US20070097067A1 Backlight unit and driving method using the same Public/Granted day:2007-05-03
Information query
IPC分类:
