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公开(公告)号：US11386841B2
公开(公告)日：2022-07-12
申请号：US17278692
申请日：2020-07-30
Inventor： Pan Li , Xueguang Hao , Chen Xu
IPC: G09G3/3233
Abstract: A pixel driving circuit, an array substrate and a display device are provided. The pixel driving circuit includes a first interlayer dielectric layer and a second interlayer dielectric layer. The first interlayer dielectric layer is arranged on the side of a gate layer lead away from a base substrate and is formed with a first via hole exposing the gate layer lead. The second interlayer dielectric layer is arranged on the side of the first interlayer dielectric layer away from the base substrate and is formed with a second via hole exposing the first via hole. A source drain layer lead is arranged on the side of the second interlayer dielectric layer away from the base substrate and is electrically connected to the gate layer lead through the first via hole and the second via hole.
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公开(公告)号：US11239303B2
公开(公告)日：2022-02-01
申请号：US16631447
申请日：2019-06-25
Inventor： Xinguo Li , Yongda Ma , Xueguang Hao , Xinyin Wu , Yong Qiao
IPC: H01L27/32 , G02F1/1333 , G02F1/1362 , G02F1/1368 , H01L51/00 , H01L51/56
Abstract: A display substrate having a display area and a peripheral area is provided. The display substrate in the peripheral area includes a flexible base substrate; a first insulating layer on the flexible base substrate; a first signal line layer including a plurality of first signal lines on a side of the first insulating layer away from the flexible base substrate; and a second insulating layer on a side of the first signal line layer away from the flexible base substrate. The display substrate has a plurality of first vias extending through a respective one of the plurality of first signal lines, exposing a first surface of the first insulating layer; and the second insulating layer extends through the plurality of first vias to be in direct contact with the first surface of the first insulating layer.
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公开(公告)号：US11210989B2
公开(公告)日：2021-12-28
申请号：US16945110
申请日：2020-07-31
Inventor： Chen Xu , Xueguang Hao , Yong Qiao , Xinyin Wu
IPC: G09G3/32 , G09G3/20 , G09G3/3275 , G09G3/3266 , G09G3/3233 , H01L27/32
Abstract: Disclosed are an array substrate, a display panel and a display device. The display panel includes a plurality of sub-pixel regions; each of the sub-pixel regions includes a pixel driving circuit, a white electroluminescent device connected with the pixel driving circuit and a color resist layer corresponding to the sub-pixel region; the plurality of sub-pixel regions include a first-color sub-pixel region, a second-color sub-pixel region and a third-color sub-pixel region; a width-to-length ratio of a channel region of the driving transistor in the first-color sub-pixel region is greater than a width-to-length ratio of a channel region of the driving transistor in the second-color sub-pixel region, and the width-to-length ratio of the channel region of the driving transistor in the second-color sub-pixel region is greater than a width-to-length ratio of a channel region of the driving transistor in the third-color sub-pixel region.
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公开(公告)号：US20210366354A1
公开(公告)日：2021-11-25
申请号：US16622449
申请日：2019-03-18
Inventor： Xinguo Li , Chen Xu , Xinyin Wu , Yong Qiao , Xueguang Hao
IPC: G09G3/20 , G09G3/3225 , G09G3/00
Abstract: The present disclosure relates to a shift register for a display panel. The shift register may include an input terminal, an output terminal, an input unit, an output unit, a first control unit, a second control unit, and a first isolation unit. The output unit may be configured to transmit a first level or a second level to an output terminal based on levels of a first node and a second node.
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公开(公告)号：US10997890B2
公开(公告)日：2021-05-04
申请号：US16630852
申请日：2019-06-25
Inventor： Xueguang Hao , Yongda Ma , Yong Qiao , Xinyin Wu
Abstract: Disclosed herein is a shift register, a grid driver circuit and a display device. The shift register may comprise a first pull-down point control circuit having a control end coupled to a pull-up point and two ends coupled to a pull-down point and a first voltage input respectively, a second pull-down point control circuit having two control ends coupled to an input signal and a control input respectively and two ends coupled to the pull-down point and the first voltage input respectively, a first pull-up point control circuit having a control end coupled to the pull-down point and two ends coupled to the pull-up point and the first voltage input respectively, and a second pull-up point control circuit having a control end coupled to a first clock signal and two ends coupled to the pull-up point and the first voltage input respectively.
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Patent Agency Ranking
公开(公告)号：US10923468B2
公开(公告)日：2021-02-16
申请号：US16611431
申请日：2019-04-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan Li , Yong Qiao , Xueguang Hao
Abstract: The present disclosure provides an electrostatic protection circuit, an array substrate, and a display device. The electrostatic protection circuit includes: a first voltage line, to which a high level voltage is applied; a second voltage line, to which a low level voltage is applied; and a switch assembly, including a plurality of first switch units and a plurality of second switch units arranged along a straight line and sharing an active layer. The first switch units are respectively coupled between the signal lines and the first voltage line, and are turned on in response to negative static electricity on the signal lines. The second switch units are respectively coupled between the signal lines and the second voltage line, and are turned on in response to positive static electricity on the signal lines. The signal lines are arranged in a peripheral region of the array substrate.
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公开(公告)号：US20200089281A1
公开(公告)日：2020-03-19
申请号：US16616272
申请日：2019-04-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Yongda Ma , Xueguang Hao , Yong Qiao
Abstract: A flexible display panel and a flexible display device are provided. The flexible display panel includes: a first insulating layer; a plurality of leads disposed above the first insulating layer, the plurality of leads passing through a predetermined bending region of the flexible display panel; a second insulating layer above respective one of the leads; where at least one of the leads is provided with at least one first hollow portion in the predetermined bending region, and the first insulating layer and the second insulating layer are connected via the at least one first hollow portion. In this way, product performance can be improved.
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公开(公告)号：US10139967B2
公开(公告)日：2018-11-27
申请号：US14895365
申请日：2015-04-22
Inventor： Xueguang Hao , Cheng Li , Peimao Li , Jun Fan
Abstract: A touch screen and a display device are provided. The touch screen includes first strip electrodes and second strip electrodes, which are disposed in different layers and intersect with each other. The first strip electrodes disposed in a layer above the second strip electrodes have patterns to prevent Moire fringes caused by interference. In the touch period at least some of the first strip electrodes are configured to load touch scanning signals while the second strip electrodes are configured to couple with the voltage signals of the touch scanning signals and output signals; or in the touch period the second strip electrodes are configured to bad touch scanning signals while at least some of the first strip electrodes are configured to couple with the voltage signals of the touch scanning signals and output signals. The touch screen can reduce Moire fringes at the edges of the first strip electrodes caused by interference of light due to regular patterns.
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公开(公告)号：US20180217455A1
公开(公告)日：2018-08-02
申请号：US15545291
申请日：2017-01-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongfei Cheng , Jianbo Xian , Xueguang Hao , Yuxin Zhang , Yong Hu
IPC: G02F1/1343 , G02F1/1337
CPC classification number: G02F1/134363 , G02F1/1337 , G02F1/133707 , G02F1/134309 , G02F2001/134318 , G02F2001/134381 , G02F2201/121 , G02F2201/123
Abstract: A display panel and a display apparatus includes the display panel. The display panel includes a first substrate, a second substrate and a liquid crystal layer between the first substrate and the second substrate. The first substrate and the second substrate are disposed opposite to each other, the first substrate comprises a pixel electrode, the second substrate comprises a common electrode, and the common electrode is formed with an opening.
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公开(公告)号：US09886889B2
公开(公告)日：2018-02-06
申请号：US14429473
申请日：2014-06-20
Inventor： Xueguang Hao , Xiangdong Wei , Seong Jun An , Bongyeol Ryu
CPC classification number: G09G3/2092 , G09G3/3677 , G09G2300/0408 , G09G2310/0283 , G09G2310/0286 , G09G2310/08 , G09G2320/04 , G11C19/28
Abstract: There provide a shift register unit, a gate driving circuit and a display device. The shift register unit includes an input module, an output module, a pulling-down driving module, a pulling-down module and a resetting module. The input module is connected to a first input signal terminal, a first direct current signal terminal, a second input signal terminal and a second direct current signal terminal respectively. The output module is connected to a first clock signal terminal. The pulling-down driving module is connected to the first clock signal terminal, a second clock signal terminal and a low voltage signal terminal. The pulling-down module is connected to the low voltage signal terminal. The resetting module is connected to the second clock signal terminal and the low voltage signal terminal respectively. The noise of the shift register unit can be reduced and the stability of the shift register unit can be enhanced.
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