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公开(公告)号:US20210367026A1
公开(公告)日:2021-11-25
申请号:US16344013
申请日:2018-04-02
Applicant: BOE Technology Group Co., Ltd.
Inventor: Pan Xu , Xiaoyun Liu
Abstract: The present application provides an array substrate. The array substrate includes a base substrate; a plurality of light emitting elements on the base substrate; a plurality of driving thin film transistors for driving light emission of the plurality of light emitting elements, each of the plurality of driving thin film transistors including a first active layer; one or more power supply lines configured to supply a driving current respectively to the plurality of light emitting elements; and a light shielding layer configured to shield light from irradiating on the first active layer, the light shielding layer being electrically connected to at least one of the one or more power supply lines.
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公开(公告)号:US11114027B2
公开(公告)日:2021-09-07
申请号:US16063932
申请日:2017-11-21
Inventor: Can Yuan , Yongqian Li , Pan Xu , Zhidong Yuan , Zhenfei Cai
IPC: G09G3/3233
Abstract: The present application discloses a pixel circuit, including a data-input sub-circuit configured to apply a data voltage from the data line to a first node; a reset sub-circuit configured to reset the second node; a driving-control sub-circuit coupled to a first power supply, the first node, and the second node; a power-storage sub-circuit configured to regulate a voltage difference between the first node and the second node; a light-emitting device coupled to the second node and a second power supply; and a sampling sub-circuit coupled to the data line and the second node and being configured to control the data line to connect with the second node for collecting a voltage signal containing information about electrical properties of the driving-control sub-circuit and being used to generating a compensation voltage for compensating any drifts of the electrical properties.
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公开(公告)号:US20210134903A1
公开(公告)日:2021-05-06
申请号:US16884461
申请日:2020-05-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Ying Han , Yicheng Lin , Pan Xu , Ling Wang , Guoying Wang , Xing Zhang
Abstract: The pixel substrate and a pixel panel are provided. The display substrate includes: a display structure layer, a cover plate on the display structure layer and a plurality of pixel definition layers and an anti-light crosstalk layer between the display structure layer and the cover plate, where the pixel definition layers are arranged on a lower surface of the cover plate at intervals and are in a one-to-one correspondence to sub-pixel units of the display substrate, the anti-light crosstalk layer surrounds each pixel definition layer, where a reflective component is between the anti-light crosstalk layer and the display structure layer, the reflective component includes an inclined surface configured to reflect light from the display structure layer to the pixel definition layer.
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公开(公告)号:US10964772B2
公开(公告)日:2021-03-30
申请号:US16623712
申请日:2019-06-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Pan Xu , Yicheng Lin , Ling Wang , Cuili Gai , Guoying Wang , Yongqian Li
Abstract: An OLED plate comprises: a substrate; a plurality of OLED devices, disposed on one side of the substrate and located in the display area; and an auxiliary cathode, disposed on the one side of the substrate and at least located in the peripheral area. Each of the OLED devices includes a reflective anode, an organic material functional layer and a transparent cathode disposed in a direction distal from the substrate in sequence. A portion of the auxiliary cathode located in the peripheral area is electrically connected to transparent cathodes of the plurality of OLED devices, and resistivity of the auxiliary cathode is less than resistivity of a transparent cathode of the plurality of OLED devices.
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公开(公告)号:US20200234644A1
公开(公告)日:2020-07-23
申请号:US16096796
申请日:2018-01-17
Applicant: BOE Technology Group Co., Ltd.
Inventor: Yongqian Li , Pan Xu , Quanhu Li
IPC: G09G3/3258
Abstract: The present application provides a pixel driving circuit, including a driving sub-circuit, a compensation sub-circuit, a first switching sub-circuit, and a second switching sub-circuit. The driving sub-circuit has a control terminal electrically connected to a first terminal of the second switching sub-circuit, a first terminal electrically connected to a light-emitting element, and a second terminal electrically connected to a power source; the compensation sub-circuit has a first terminal electrically connected to the first terminal of the driving sub-circuit, and a second terminal electrically connected to the control terminal of the driving sub-circuit; the first switching sub-circuit has a control terminal electrically connected to a first signal input terminal, a first terminal electrically connected to the first terminal of the driving sub-circuit, and a second terminal electrically connected to an initial voltage input terminal; and the second switching sub-circuit has a control terminal electrically connected to a second signal input terminal, a first terminal electrically connected to the control terminal of the driving sub-circuit, and a second terminal electrically connected to a data signal input terminal.
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公开(公告)号:US20200176541A1
公开(公告)日:2020-06-04
申请号:US16623712
申请日:2019-06-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Pan Xu , Yicheng Lin , Ling Wang , Cuili Gai , Guoying Wang , Yongqian Li
Abstract: An OLED plate comprises: a substrate; a plurality of OLED devices, disposed on one side of the substrate and located in the display area; and an auxiliary cathode, disposed on the one side of the substrate and at least located in the peripheral area. Each of the OLED devices includes a reflective anode, an organic material functional layer and a transparent cathode disposed in a direction distal from the substrate in sequence. A portion of the auxiliary cathode located in the peripheral area is electrically connected to transparent cathodes of the plurality of OLED devices, and resistivity of the auxiliary cathode is less than resistivity of a transparent cathode of the plurality of OLED devices.
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公开(公告)号:US20200098839A1
公开(公告)日:2020-03-26
申请号:US16417105
申请日:2019-05-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Pan Xu , Yicheng Lin , Ling Wang , Guoying Wang
Abstract: A display panel, a manufacturing method thereof and a display device are disclosed. The display panel includes a display backplane and a display cover assembled to be a cell. The display backplane includes a first base substrate, a pixel circuit layer, a first electrode layer, a light-emitting layer, a second transparent electrode layer, and a plurality of first pixel regions stacked on the first base substrate. The display cover includes a second base substrate, a plurality of optical sensing components and a plurality of second pixel regions on the second base substrate, the plurality of optical sensing components being arranged in the plurality of second pixel regions in one to one correspondence.
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公开(公告)号:US10546851B2
公开(公告)日:2020-01-28
申请号:US15509714
申请日:2016-09-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD
Inventor: Pan Xu , Yongqian Li , Quanhu Li
IPC: H01L27/02 , G02F1/1362 , H01L27/12 , H01L29/788
Abstract: The present disclosure provides a substrate, including: a first line; a second line; a thin-film transistor (TFT) between the first line and the second line, having a floating gate structure, a source electrode electrically connected to the first line, and a drain electrode electrically connected to the second line; and a first point-discharge structure between the floating gate structure of the TFT and the first line.
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49.
公开(公告)号:US10403187B2
公开(公告)日:2019-09-03
申请号:US15720038
申请日:2017-09-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Dongxu Han , Tieshi Wang , Pan Xu , Wenchao Bao , Chi Zhang , Zhongyuan Wu
Abstract: A gamma voltage debugging method for an electroluminescent display device, including: turning on sub-pixels in a test region to a maximum luminance value, and recording a driving current of an electroluminescent element at this time as a maximum reference current; calculating reference current values corresponding to respective gray scales according to the maximum reference current and a preset formula; and driving the sub-pixels in the test region to emit light, and for each driving current equal to a reference current value, recording a driving voltage value corresponding to the gray scale value as a gamma voltage resulted from the debugging.
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公开(公告)号:US20190132583A1
公开(公告)日:2019-05-02
申请号:US16097815
申请日:2018-02-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Quanhu Li , Yicheng Lin , Yu Wang , Yue Wu , Song Meng , Yongqian Li , Pan Xu
IPC: H04N13/398 , G09G3/3233 , G09G3/36 , H04N13/302
Abstract: A 3D display driving method, a 3D display driving device and a display device are provided. The 3D display driving method includes, during each display period: within a display duration (2n−1)th for a left-eye image of a left-eye image frame, scanning a first gate line in an nth group of gate lines, and within a part of the display duration (2n−1)th for the left-eye image, scanning a second gate line in the nth group of gate lines; and within a display duration (2n)th for a right-eye image of a right-eye image frame, scanning the second gate line in the nth group of gate lines, n being a positive integer smaller than or equal to M, and M being an integer greater than 1.
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