发明申请
- 专利标题: METHOD AND DEVICE OF OBTAINING ELECTRICAL DATA OF PIXEL UNIT, AND ARRAY SUBSTRATE
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申请号: US17352272申请日: 2021-06-19
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公开(公告)号: US20220068198A1公开(公告)日: 2022-03-03
- 发明人: Hualing YANG , Xinshe YIN
- 申请人: BOE Technology Group Co., Ltd.
- 申请人地址: CN Beijing
- 专利权人: BOE Technology Group Co., Ltd.
- 当前专利权人: BOE Technology Group Co., Ltd.
- 当前专利权人地址: CN Beijing
- 优先权: CN202010911831.X 20200902
- 主分类号: G09G3/325
- IPC分类号: G09G3/325
摘要:
An array substrate comprising a plurality of pixel units and an external compensation circuit; wherein, for each pixel unit of the plurality of pixel units, the pixel unit comprises a detection switch device, and the pixel unit is connected to a corresponding input end of a multiplexer of the external compensation circuit through the detection switch device; the external compensation circuit is configured: to acquire first data in a case that the detection switch device is opened, the first data comprising noise data caused by a level jump of the multiplexer of the external compensation circuit; to acquire second data in a case that the detection switch device is closed, the second data comprising the noise data and electrical data of the pixel unit; and to obtain the electrical data according to the first data and the second data.