Invention Grant
- Patent Title: Pixel repair circuit and organic light-emitting diode (OLED) display having the same
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Application No.: US14562337Application Date: 2014-12-05
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Publication No.: US09754532B2Publication Date: 2017-09-05
- Inventor: Kyong-Tae Park , Tae-Gon Kim , Dong-Yoon So , Sung-Ho Cho
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Gyeonggi-do
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Gyeonggi-do
- Agency: Knobbe Martens Olson & Bear, LLP
- Priority: KR10-2014-0063640 20140527
- Main IPC: G09G5/00
- IPC: G09G5/00 ; G09G3/3233

Abstract:
A pixel repair circuit and organic light-emitting diode (OLED) display having the same are disclosed. In one aspect, the pixel repair circuit includes an emission controller configured to control the emission current and a repair line initialization unit configured to initialize the repair line. The pixel repair circuit further includes a current mirror unit configured to provide a mirror current of the emission current to the repair line initialization unit, wherein the current mirror unit is connected between a power supply voltage and the emission controller. The pixel repair circuit also includes a first emission switch configured to control an electrical connection between the emission controller and the current mirror unit based on an emission control signal and a second emission switch configured to control an electrical connection between the emission controller and the repair line based on the emission control signal.
Public/Granted literature
- US20150348466A1 PIXEL REPAIR CIRCUIT AND ORGANIC LIGHT-EMITTING DIODE (OLED) DISPLAY HAVING THE SAME Public/Granted day:2015-12-03
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