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公开(公告)号：US11296299B2
公开(公告)日：2022-04-05
申请号：US16757081
申请日：2019-09-06
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guoying Wang , Zhen Song , Yicheng Lin , Ling Wang , Pan Xu
IPC: H01L51/52 , H01L27/32 , H01L51/00 , H01L51/56 , G09G3/3208
Abstract: The present disclosure relates to a display panel, a display device, and a method of manufacturing the display panel. The display panel includes a first substrate and a second substrate opposite to each other, a bonding portion that bonds a first peripheral region of the first substrate and a second peripheral region of the second substrate, and a protrusion disposed on at least one of the first peripheral region of the first substrate and the second peripheral region of the second substrate, wherein the protrusion is embedded in the bonding portion.
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公开(公告)号：US20220037615A1
公开(公告)日：2022-02-03
申请号：US17297088
申请日：2020-10-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan Xu , Yicheng Lin , Ling Wang , Guoying Wang , Ying Han , Xing Zhang
Abstract: A display substrate, a manufacturing method thereof, and a display panel. The display substrate includes a base, a first electrode, a first auxiliary cathode, a second electrode and a second auxiliary cathode, a pixel definition layer and a cathode. The first and second electrodes are located in the display area and the first and second auxiliary cathodes are located in the non-emitting area. The orthogonal projections of the first auxiliary cathode and the second auxiliary cathode on the base are in a mesh structure. The pixel definition layer is at least located in the non-emitting area. The cathode at least covers the display area and the cathode is arranged on one side of the pixel definition layer far away from the base; wherein the cathode, the first auxiliary cathode and the second auxiliary cathode are electrically connected.
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公开(公告)号：US11217160B2
公开(公告)日：2022-01-04
申请号：US16331673
申请日：2018-08-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cuili Gai , Yicheng Lin , Baoxia Zhang , Ling Wang , Quanhu Li , Pan Xu
IPC: G09G3/3233
Abstract: A pixel circuit includes a data writing sub-circuit inputs a signal input via a second signal terminal to a compensating sub-circuit and a driving sub-circuit under control of a signal from a first signal terminal, the compensating sub-circuit compensates a threshold voltage of the driving sub-circuit according to a signal output from the data writing sub-circuit under control of a signal from a third signal terminal, a light-emitting control sub-circuit inputs a signal from a first voltage terminal to the driving sub-circuit and the compensating sub-circuit under control of a signal from a fourth signal terminal, the driving sub-circuit configured to generate and input a driving current to a light-emitting sub-circuit according to a signal output from the light-emitting control sub-circuit and a signal output from the data writing sub-circuit, and the light-emitting sub-circuit configured to emit light according to the driving current under control of a second voltage terminal.
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公开(公告)号：US11183120B2
公开(公告)日：2021-11-23
申请号：US16648522
申请日：2019-03-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ling Wang , Pan Xu , Yi Cheng Lin , Xing Zhang , Ying Han , Guang Yan
IPC: G09G3/3258 , G09G3/3266 , G09G3/3291
Abstract: Disclosed are a pixel array substrate and a driving method thereof, a display panel, and a display device. The pixel array substrate includes a plurality of pixel units arranged in a plurality of pixel rows, and common electrodes distributed in the plurality of pixel rows. Each of the plurality of pixel units includes a light emitting element, first electrodes of light emitting elements of a plurality of pixel units in each of the plurality of pixel rows are electrically connected with each other to form a common electrode in the each of the plurality of pixel rows, and the common electrodes in the plurality of pixel rows are insulated from each other.
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公开(公告)号：US20210259086A1
公开(公告)日：2021-08-19
申请号：US17132510
申请日：2020-12-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan Xu , Yongqian Li , Guoying Wang , Dacheng Zhang , Lang Liu
Abstract: A display panel and a display apparatus are disclosed. The display panel comprises: a plurality of signal lines extending in a first direction; at least one first reference voltage bus which extends in a second direction intersecting the first direction; and a plurality of electrostatic discharge units divided into a plurality of electrostatic discharge unit groups, wherein the plurality of electrostatic discharge unit groups are arranged in the second direction and each of the plurality of electrostatic discharge unit groups comprises at least two electrostatic discharge units arranged in the first direction, wherein at least one of the plurality of signal lines is electrically connected to the first reference voltage bus through at least one of the plurality of electrostatic discharge units.
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Patent Agency Ranking
公开(公告)号：US20210225962A1
公开(公告)日：2021-07-22
申请号：US16632184
申请日：2018-11-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ling Wang , Xue Dong , Yicheng Lin , Cuili Gai , Pan Xu
Abstract: A display substrate includes a base substrate; and a plurality of light emitting brightness value detectors on the base substrate. Each of the plurality of light emitting brightness value detectors includes a first thin film transistor; a protection layer on a side of the first thin film transistor away from the base substrate; and a photosensor electrically connected to the first thin film transistor and configured to detect alight emitting brightness value. An orthographic projection of the protection layer on the base substrate covers an orthographic projection of at least a channel part of the first thin film transistor on the base substrate.
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公开(公告)号：US10977992B2
公开(公告)日：2021-04-13
申请号：US16624276
申请日：2018-11-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yicheng Lin , Yu Wang , Ling Wang , Pan Xu , Cuili Gai , Baoxia Zhang , Guang Yan , Dongfang Yang
IPC: G09G3/3233
Abstract: A driving compensation method for a pixel circuit includes: in a compensation phase of the pixel circuit, providing a preset signal to the control terminal of the driving transistor to write the preset signal to the control terminal of the driving transistor, to write internal loss voltage of the driving transistor to the first terminal of the driving transistor; wherein the compensation phase includes a first external compensation phase and a second external compensation phase; in the first external compensation phase, the preset signal is a sum of a reference signal and a threshold voltage of the driving transistor; in the second external compensation phase, the preset signal is the sum of the data signal and the threshold voltage of the driving transistor.
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公开(公告)号：US20200381524A1
公开(公告)日：2020-12-03
申请号：US16613690
申请日：2019-05-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan Xu , Yicheng Lin , Cuili Gai , Ling Wang , Yongqian Li
IPC: H01L29/417 , H01L27/12 , H01L27/32 , H01L29/786 , H01L29/66
Abstract: Embodiments of the present disclosure provide a thin film transistor, a method of manufacturing the same, and a display device. The thin film transistor includes a metal conductive pattern layer, an interlayer insulating layer, and a metal oxide layer; and the metal conductive pattern layer includes: a light shielding pattern, a source signal line, and/or a drain signal line; the metal oxide layer includes: a source electrode, a drain electrode, and an active layer. An orthographic projection of the active layer on the base substrate has an overlapping region with that of the light shielding pattern; the source electrode extends through the interlayer insulating layer to connect to the source signal line, and/or the drain electrode extends through the interlayer insulating layer to connect to the drain signal line.
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公开(公告)号：US10818236B2
公开(公告)日：2020-10-27
申请号：US16118192
申请日：2018-08-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cuili Gai , Baoxia Zhang , Ling Wang , Pan Xu , Yicheng Lin
IPC: G09G3/3258 , G09G3/3233
Abstract: The present disclosure relates to a display device, a display substrate, a method and a device for display compensation. The method includes: before displaying an image, performing initial compensation on each of the pixel circuits to obtain an average reference voltage of the plurality of pixel circuits; controlling the display substrate to display an image and performing external compensation on each of the pixel circuits during a display duration of one frame of the image, obtaining a charging voltage on the sensing line of each of the pixel circuits during the external compensation, obtaining a first reference voltage of each of the pixel circuits according to the charging voltage on the sensing line and the average reference voltage, and performing internal compensation on each of the pixel circuits according to the first reference voltage.
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公开(公告)号：US10818207B2
公开(公告)日：2020-10-27
申请号：US16086675
申请日：2018-03-02
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongqian Li , Pan Xu , Quanhu Li
Abstract: A circuitry and a method for detecting a failed pixel, and a display device are provided. The circuitry for detecting the failed pixel includes a display control circuit and a failed pixel detection circuit. The display control circuit is connected to a pixel driving circuit, and configured to control, at detection voltage write-in stage and failed pixel detection stage, the pixel driving circuit to cause light-emitting element not to emit light. The failed pixel detection circuit is connected to first electrode of the light-emitting element via failure sense line, and configured to apply a reference voltage to the first electrode of the light-emitting element via the failure sense line at the detection voltage write-in stage, detect a potential at the first electrode of the light-emitting element at the failed pixel detection stage, and determine, in accordance with the potential, whether the pixel circuit is failed.
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