- 专利标题: Pixel and organic light emitting display device having the same
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申请号: US17306882申请日: 2021-05-03
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公开(公告)号: US11436984B2公开(公告)日: 2022-09-06
- 发明人: Yongsung Park , Minwoo Byun , Keonwoo Kim , Seungbin Lee , Deok-young Choi
- 申请人: Samsung Display Co., Ltd.
- 申请人地址: KR Yongin-si
- 专利权人: Samsung Display Co., Ltd.
- 当前专利权人: Samsung Display Co., Ltd.
- 当前专利权人地址: KR Yongin-si
- 代理机构: H.C. Park & Associates, PLC
- 优先权: KR10-2018-0005248 20180115
- 主分类号: G09G3/3291
- IPC分类号: G09G3/3291 ; H01L51/52 ; G09G3/3266 ; G09G3/3258 ; H01L27/32 ; G09G3/3233
摘要:
A pixel includes an organic light emitting diode including an anode electrode and a cathode electrode; a driving transistor including an input electrode connected to a first node (FN), a control electrode connected to a second node, and an output electrode connected to a third node; a switching transistor to apply a data signal to the FN in response to a scan signal in a second period; a first initialization transistor to apply a first initialization voltage to the second node in response to an initialization control signal in a first period (FP); a second initialization transistor to apply a second initialization voltage having a voltage level different from the first initialization voltage to the anode electrode in response to the initialization control signal in the FP; and an on-bias transistor to apply a first driving voltage to the FN in response to an on-bias control signal in the FP.
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