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公开(公告)号：US20210335950A1
公开(公告)日：2021-10-28
申请号：US16476474
申请日：2018-09-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongfang Wang , Bin Zhou , Ce Zhao , Tongshang Su , Yuankui Ding , Ming Wang
IPC: H01L27/32 , G09G3/3233 , H01L51/56
Abstract: The present disclosure provides a pixel unit, a method of manufacturing the same, and an array substrate. The pixel unit includes: a driving transistor, a switching transistor, and a light emitting element on a substrate; wherein the driving transistor has an input electrode electrically connected to a first power supply terminal and an output electrode electrically connected to a first terminal of the light emitting element; the switching transistor has an input electrode electrically connected to a data line, a control electrode electrically connected to a scan line, and an output electrode electrically connected to a gate electrode of the driving transistor; wherein the switching transistor and the driving transistor have different threshold voltages.
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公开(公告)号：US10916615B1
公开(公告)日：2021-02-09
申请号：US16826992
申请日：2020-03-23
Inventor： Yingbin Hu , Ce Zhao , Ming Wang , Yuankui Ding , Wei Song , Liangchen Yan
Abstract: A display panel includes a substrate; a conductive layer disposed on the substrate; a gate insulating layer disposed on the conductive layer; a gate layer disposed on the gate insulating layer, wherein the gate layer has a thickness larger than a thickness of the conductive layer; a groove extending toward the substrate and punching through the gate layer, orthographic projections of the groove and the conductive layer on the substrate overlapping, and gate layers separated on two sides of the groove being connected to the conductive layer; an interlayer dielectric layer disposed on a side of the gate layer away from the substrate and covering the conductive layer and filling the groove; and an auxiliary electrode layer disposed on the interlayer dielectric layer, wherein the orthographic projections of the auxiliary electrode layer and the gate layer on substrate do not overlap, and the orthographic projections of the auxiliary electrode layer and the groove on the substrate overlap.
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13.发明授权公开(公告)号：US10720609B2
公开(公告)日：2020-07-21
申请号：US16192309
申请日：2018-11-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ming Wang
Abstract: A display substrate including: a base substrate; a thin film transistor provided on a side of the base substrate; a planarization layer provided on a side of the thin film transistor away from the base substrate; a pixel defining layer provided on a side of the planarization layer away from the base substrate, defining a plurality of pixel regions arranged in a matrix, an orthographic projection of the pixel defining layer on the base substrate covering an orthographic projection of the thin film transistor on the base substrate; an organic light emitting diode provided in the pixel region, a recess being provided at a side of the planarization layer away from the base substrate, located at a boundary between the pixel defining layer and the pixel region and located between the thin film transistor and the organic light emitting diode, and a light blocking structure being provided in the recess.
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14.发明申请公开(公告)号：US20200043414A1
公开(公告)日：2020-02-06
申请号：US16427879
申请日：2019-05-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ming Wang
IPC: G09G3/3258
Abstract: The present disclosure provides a compensation method and compensation apparatus for a pixel circuit, and a display apparatus. The compensation method for the pixel circuit includes: acquiring a threshold voltage of a driving transistor of the pixel circuit; comparing a source voltage of the driving transistor with the threshold voltage; and adjusting the source voltage of the driving transistor according to a comparison result.
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公开(公告)号：US12276826B2
公开(公告)日：2025-04-15
申请号：US18246413
申请日：2022-06-29
Inventor： Nan Wang , Yong Shu , Qi Cao , Xian Wang , Ming Wang , Quan Tong , Yinggang Liu , Chengyi Xu , Xiaofei Zhu , Junjie Jiang
IPC: F21V8/00
Abstract: A backlight module includes a rear housing, a light guide plate and a light source. The rear housing includes a bottom wall and a side wall that are connected to each other; the bottom wall and the side wall enclose an accommodation cavity. The light guide plate is located in the accommodation cavity. The light source is located in the accommodation cavity and located between the side wall and a side surface of the light guide plate. The light source includes a circuit board and a plurality of light-emitting devices that are mounted on the circuit board. A surface of the circuit board away from the plurality of light-emitting devices faces the side wall, and light-emitting surfaces of the plurality of light-emitting devices face the side surface of the light guide plate.
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Patent Agency Ranking
公开(公告)号：US12164137B2
公开(公告)日：2024-12-10
申请号：US17311827
申请日：2020-12-29
Inventor： Xinlei Wang , Yong Shu , Nan Wang , Qi Cao , Ming Wang
Abstract: The present disclosure provides a light guide plate, including a light-entering surface, a light-exiting surface adjacent to the light-entering surface, and a bottom surface arranged opposite to the light-exiting surface. The light guide plate includes a central region corresponding to an active display region of a display panel and a peripheral region corresponding a non-display region of the display panel in a first direction, the peripheral region includes a first peripheral region at a side adjacent to the light-entering surface, at least the first peripheral region of the peripheral region has a thickness smaller than the central region in a second direction, the first direction is a direction in which light is propagated inside the light guide plate, and the second direction is a direction in which the light exits the light guide plate. The present disclosure further provides a backlight module and a display device.
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公开(公告)号：US11450721B2
公开(公告)日：2022-09-20
申请号：US16476474
申请日：2018-09-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongfang Wang , Bin Zhou , Ce Zhao , Tongshang Su , Yuankui Ding , Ming Wang
IPC: H01L27/32 , G09G3/3233 , H01L51/56
Abstract: The present disclosure provides a pixel unit, a method of manufacturing the same, and an array substrate. The pixel unit includes: a driving transistor, a switching transistor, and a light emitting element on a substrate; wherein the driving transistor has an input electrode electrically connected to a first power supply terminal and an output electrode electrically connected to a first terminal of the light emitting element; the switching transistor has an input electrode electrically connected to a data line, a control electrode electrically connected to a scan line, and an output electrode electrically connected to a gate electrode of the driving transistor; wherein the switching transistor and the driving transistor have different threshold voltages.
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公开(公告)号：US11430816B2
公开(公告)日：2022-08-30
申请号：US16862865
申请日：2020-04-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Abstract: The present disclosure provides a method for preparing an interlayer insulating layer and a method for manufacturing a thin film transistor, and a thin film transistor, belongs to the field of display technology, and can solve the problem of poor resistance to breakdown of the interlayer insulating layer in the related art. The method for preparing an interlayer insulating layer includes the following steps: forming a silicon oxide layer with a first reaction gas and forming a silicon nitride layer with a second reaction gas such that hydrogen content in the silicon nitride layer is less than or equal to hydrogen content in the silicon oxide layer.
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公开(公告)号：US11205383B2
公开(公告)日：2021-12-21
申请号：US16343760
申请日：2018-11-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ming Wang , Wenchao Bao
IPC: G09G3/3225 , G09G3/3233 , G09G3/3258 , G09G3/3266
Abstract: The present disclosure relates to a technical field of display, and provides a scan signal adjusting method, a scan signal adjusting device, and a display panel. The scan signal adjusting method is used to adjust a scan signal of a control end of a switching transistor in a pixel driving circuit. The method includes obtaining a threshold voltage of the switching transistor and adjusting a voltage of the scan signal during a turn-off period according to the threshold voltage of the switching transistor.
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公开(公告)号：US10276603B2
公开(公告)日：2019-04-30
申请号：US15567193
申请日：2016-10-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H01L27/12 , G02F1/1362 , H01L21/66
Abstract: The present application discloses an array substrate including a first signal line layer having a plurality of rows of first signal lines; a second signal line layer having a plurality of columns of second signal lines; the plurality of rows of first signal lines crossing over the plurality of columns of second signal lines defining a plurality of subpixels; a first insulating layer and a second insulating layer between the first signal line layer and the second signal line layer; the first insulating layer on a side of the second insulating layer proximal to the first signal line layer; a repair line between the first insulating layer and the second insulating layer, the repair line corresponding to one of the plurality of columns of second signal lines; and a first via and a second via extending through the second insulating layer; the repair line being electrically connected to the corresponding one of the plurality of columns of second signal lines through the first via and the second via, respectively.
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