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公开(公告)号：US11488988B2
公开(公告)日：2022-11-01
申请号：US16333997
申请日：2018-10-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhen Song , Guoying Wang
Abstract: A display backplane includes a substrate, a thin film transistor over the substrate, and a pixel capacitor assembly over a side of the thin film transistor away from the substrate, and an orthographic projection of the pixel capacitor assembly on the substrate covers at least one portion of an orthographic projection of the thin film transistor on the substrate. The pixel capacitor assembly includes a first electrode, a passivation layer, and a second electrode, sequentially over a side of the thin film transistor away from the substrate, and an orthographic projection of the first electrode on the substrate is overlapped with the orthographic projection of the thin film transistor on the substrate. A display panel including the display backplane can further include an OLED component, arranged over a side of the pixel capacitor assembly away from the substrate.
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公开(公告)号：US11282907B2
公开(公告)日：2022-03-22
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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33.发明授权公开(公告)号：US11239297B2
公开(公告)日：2022-02-01
申请号：US16079744
申请日：2018-01-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhen Song , Guoying Wang
IPC: H01L27/32
Abstract: The present application discloses an array substrate having a plurality of subpixel areas. The array substrate includes a base substrate; a plurality of first thin film transistors on the base substrate, each of which being in one of the plurality of subpixel areas; and a plurality of capacitor electrodes, each of which being in one of the plurality of subpixel areas. Each of the plurality of first thin film transistors includes a first active layer, a first gate electrode, a first source electrode, and a first drain electrode. The first active layer includes a first semi-conductive channel part, a first conductive part electrically connected to the first drain electrode, and a second conductive part electrically connected to the first source electrode. Each of the plurality of capacitor electrodes, the insulating layer, and the first conductive part constitute a first storage capacitor in one of the plurality of subpixel areas.
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公开(公告)号：US11217767B2
公开(公告)日：2022-01-04
申请号：US16490863
申请日：2019-03-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhen Song , Guoying Wang
Abstract: An organic light emitting display panel includes a cover plate and a back plate. The cover plate includes a cover plate glass on which three color films of R, G and B are formed. The cover plate includes an insulating cover layer covering the cover plate glass. The cover plate includes a BM area formed over the insulating cover layer and defining a pixel area. The cover plate includes a spacer pillar formed in the BM area. The cover plate includes an auxiliary cathode formed over the spacer pillar and the insulating cover layer. The back plate includes: an active layer array; a planarization layer formed on the active layer array, having a boss corresponding to the pixel area; and an OLED device formed on the boss.
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35.发明申请公开(公告)号：US20210265441A1
公开(公告)日：2021-08-26
申请号：US17184734
申请日：2021-02-25
Applicant: Boe Technology Group Co., Ltd.
Inventor： Guoying Wang , Zhen Song , Yicheng Lin
Abstract: The present disclosure relates to the field of display technology, and provides an OLED display substrate, a manufacturing method and a display device. The OLED display substrate includes: a base substrate; an active layer arranged on the base substrate; a gate insulation layer arranged at a side of the active layer away from the base substrate; and a gate electrode layer arranged at a side of the gate insulation layer away from the base substrate. An orthogonal projection of the gate electrode layer onto the base substrate at least partially overlaps an orthogonal projection of the active layer onto the base substrate, and the gate electrode layer and the active layer form a first storage capacitor of the OLED display substrate.
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Patent Agency Ranking
公开(公告)号：US11075288B2
公开(公告)日：2021-07-27
申请号：US16325981
申请日：2018-04-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guoying Wang , Hongda Sun , Zhen Song
IPC: H01L29/66 , H01L29/786 , H01L21/02 , H01L29/45 , H01L21/027 , H01L21/44 , H01L21/033
Abstract: A thin film transistor is provided and includes an active layer, a source electrode, a drain electrode, a gate electrode and a gate electrode insulating layer, the active layer includes a source electrode region, a drain electrode region and a channel region, the source electrode region and the drain electrode region include a first metal material, and the channel region includes a semiconductor material made from oxidation of the first metal material.
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公开(公告)号：US11043545B2
公开(公告)日：2021-06-22
申请号：US16536942
申请日：2019-08-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhen Song , Guoying Wang , Wei Li
Abstract: The present disclosure provides a display substrate, a fabricating method thereof, and a display device. The display substrate includes a substrate; at least one pixel on a side of the substrate, the at least one pixel comprising a driving transistor, the driving transistor comprising a drain; an insulating layer on a side of the driving transistor away from the substrate, the insulating layer covering the driving transistor and having a first via hole opposite to the drain; an auxiliary conductive structure on a side of the insulating layer away from the substrate, and the auxiliary conductive structure connected to the drain through the first via hole; and a first planarization layer on a side of the auxiliary conductive structure away from the substrate, and having a second via hole disposed therein.
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公开(公告)号：US20210118970A1
公开(公告)日：2021-04-22
申请号：US16464207
申请日：2018-05-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zhen Song , Guoying Wang
Abstract: The present application provides a display panel having a plurality of subpixels. The display panel includes an array substrate including an array of a plurality of first thin film transistors respectively in the plurality of subpixels for driving light emission of the display panel; a counter substrate facing the array substrate and having a plurality of subpixel areas respectively in the plurality of subpixels; and an optical compensation device for adjusting in real time actual light emitting brightness values of the plurality of subpixel areas to target brightness values. The optical compensation device includes a plurality of actual light emitting brightness value detectors integrated in the counter substrate and respectively in the plurality of subpixel areas.
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公开(公告)号：US10964763B2
公开(公告)日：2021-03-30
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：US10886409B2
公开(公告)日：2021-01-05
申请号：US16170470
申请日：2018-10-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhen Song , Guoying Wang
IPC: H01L27/12 , H01L29/786
Abstract: A display backplate and a fabrication method thereof, a display panel and a display device are provided. The display backplate includes: a substrate; a first light shielding layer, provided on the substrate; a first thin film transistor, provided on a side of the first light shielding layer facing away from the substrate, and including a first active layer, a first source electrode, a first drain electrode and a first top-gate electrode; a first layer, including a first semiconductor portion and a first conductor portion, the first semiconductor portion constituting the first active layer; and a third electrode, the first conductor portion being provided between the first light shielding layer and the third electrode. The first light shielding layer and the first conductor portion form a first capacitance, and the third electrode and the first conductor portion form a second capacitance.
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