Invention Grant
US07688292B2 Organic light emitting diode display device and driving method thereof
有权
有机发光二极管显示装置及其驱动方法
- Patent Title: Organic light emitting diode display device and driving method thereof
- Patent Title (中): 有机发光二极管显示装置及其驱动方法
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Application No.: US11373671Application Date: 2006-03-09
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Publication No.: US07688292B2Publication Date: 2010-03-30
- Inventor: Kee-Chan Park , Ho-Suk Maeng , Seong-Il Park , Cheol-Min Kim , Chi-Woo Kim , Soong-Yong Joo , Il-Gon Kim
- Applicant: Kee-Chan Park , Ho-Suk Maeng , Seong-Il Park , Cheol-Min Kim , Chi-Woo Kim , Soong-Yong Joo , Il-Gon Kim
- Applicant Address: KR
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR
- Agency: Cantor Colburn LLP
- Priority: KR10-2005-0021944 20050316
- Main IPC: G09G3/32
- IPC: G09G3/32

Abstract:
A display device includes a plurality of pixels, wherein each pixel includes: a light emitting element; a first capacitor connected between a first node and a second node; a driving transistor having an input terminal, an output terminal, and a control terminal connected to the second node where the driving transistor supplies a driving current to the light emitting element to emit light; a first switching unit supplying a first reference voltage to the driving transistor according to a first scanning signal and connecting the first node to a data voltage or the driving transistor; and a second switching unit supplying a driving voltage to the driving transistor according to a second scanning signal and connecting the first node to the data voltage. Accordingly, variations in threshold voltage of the driving transistor can be compensated for so that it is possible to display a uniform image.
Public/Granted literature
- US20060221662A1 Display device and driving method thereof Public/Granted day:2006-10-05
Information query
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