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公开(公告)号：US20240138189A1
公开(公告)日：2024-04-25
申请号：US18476687
申请日：2023-09-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI , Shengji YANG , Chen XU
IPC: H10K59/121 , G09G3/3233 , H10K59/131 , H10K71/00
CPC classification number: H10K59/1213 , G09G3/3233 , H10K59/131 , H10K71/00 , G09G2300/0426 , G09G2330/021 , H10K59/1201
Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate, and the pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; the first transistor includes a first active region, the second transistor includes a second active region, the driving transistor includes a fourth active region, at least one of a doping concentration of the first active region and a doping concentration of the second active region is greater than a doping concentration of the fourth active region.
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公开(公告)号：US20230252945A1
公开(公告)日：2023-08-10
申请号：US18302056
申请日：2023-04-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xing YAO , Chen XU , Jingquan WANG , Xinyin WU
IPC: G09G3/3266 , H10K59/126 , H10K59/131
CPC classification number: G09G3/3266 , H10K59/126 , H10K59/131 , G09G2300/0426 , G09G2310/0286
Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, and a first scan driving circuit, a second scan driving circuit and a first power line arranged in sequence, and a first shielding layer and a second shielding layer sequentially arranged on a side of the second scan driving circuit away from the base substrate; the first shielding layer covers at least one transistor in the second scan driving circuit, and the second shielding layer covers at least one transistor of transistors in the second scan driving circuit except the at least one transistor covered by the first shielding layer; and the second shielding layer is also on a side of the first scan driving circuit away from the base substrate, and the second shielding layer covers at least one transistor in the first scan driving circuit.
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公开(公告)号：US20220384550A1
公开(公告)日：2022-12-01
申请号：US16957605
申请日：2019-08-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI , Shengji YANG , Chen XU
IPC: H01L27/32
Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate. The pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; a direction from a first electrode of the first transistor to a second electrode of the first transistor is a first direction, a direction from a first electrode of the second transistor to a second electrode of the second transistor is a second direction, a direction from the first electrode of the driving transistor to the second electrode of the driving transistor is a fourth direction, and at least one of the first direction and the second direction intersects with the fourth direction.
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公开(公告)号：US20220328608A1
公开(公告)日：2022-10-13
申请号：US17852485
申请日：2022-06-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dachao LI , Shengji YANG , Chen XU
IPC: H01L27/32
Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate. The pixel circuit includes a driving transistor, a first transistor, and a second transistor; the base substrate includes a semiconductor body that can be doped, and a first conductive layer and a second conductive layer that are on the semiconductor body; the first transistor includes a first doped region in contact with the first electrode of the first transistor, and a second doped region in contact with a second electrode of the first transistor, and the first doped region of the first transistor and the second doped region of the first transistor are spaced apart from each other, have a same doping type, and are both in the semiconductor body.
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公开(公告)号：US20220123073A1
公开(公告)日：2022-04-21
申请号：US17270414
申请日：2020-05-15
Inventor： Meng LI , Yongqian LI , Chen XU , Dacheng ZHANG , Jingquan WANG , Zhidong YUAN , Haixia XU
Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of display units; the display unit includes a driving structure layer, a light emitting structure layer and a color filter layer which are located in the display area and sequentially arranged on the substrate; the light emitting structure layer comprises a plurality of light emitting structures each including a pixel define layer and an organic light emitting layer; the organic light emitting layer is located in an opening area of the pixel define layer and on the pixel define layer; the color filter layer includes a plurality of light filters; the display substrate includes a spacing area located in the display area, the spacing area being located between opening areas of pixel define layers of adjacent light emitting structures.
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Patent Agency Ranking
公开(公告)号：US20220013612A1
公开(公告)日：2022-01-13
申请号：US17281266
申请日：2020-08-19
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pan XU , Yongqian LI , Guoying WANG , Dacheng ZHANG , Chen XU , Lang LIU , Xing ZHANG , Ling WANG , Yicheng LIN , Ying HAN
IPC: H01L27/32
Abstract: Provided are a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes multiple sub-pixels, wherein each sub-pixel includes a light-emitting region and a non-light-emitting region, and each sub-pixel is provided with a drive circuit; the drive circuit includes a storage capacitor and multiple transistors; for each sub-pixel, the multiple transistors are in the non-light-emitting region, the storage capacitor is a transparent capacitor, and an orthographic projection of the storage capacitor on a base substrate coincides with the light-emitting region. A first electrode of the storage capacitor is disposed in a same layer as an active layer of the multiple transistors, but in a different layer from source and drain electrodes of the multiple transistors, and a second electrode of the storage capacitor is on a side of the first electrode close to the base substrate.
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公开(公告)号：US20210408074A1
公开(公告)日：2021-12-30
申请号：US16768413
申请日：2019-07-22
Inventor： Chen XU , Hongfei CHENG
IPC: H01L27/12 , H01L29/786 , H01L21/02 , H01L29/66
Abstract: The present disclosure relates to an array substrate and a method for manufacturing the array substrate. The array substrate includes a substrate having a display region and a peripheral region surrounding the display region, the display region including sub-pixels arranged in an array, and a plurality of thin film transistors located on the substrate, including a plurality of first thin film transistors located within the peripheral region and a second thin film transistor located within each sub-pixel of the display region, wherein there is a first distance in a row and/or column direction between first active layers of the first thin film transistors and second active layers of nearest neighbor second thin film transistors, and there is a second distance in a row and/or column direction between adjacent second active layers, wherein the first distance is substantially equal to the second distance.
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28.发明申请公开(公告)号：US20210335195A1
公开(公告)日：2021-10-28
申请号：US16475513
申请日：2019-01-08
Inventor： Jianbo XIAN , Chen XU , Xueguang HAO , Yong QIAO
IPC: G09G3/20
Abstract: A shift register unit, a circuit structure, a gate drive circuit, a drive circuit and a display device are provided. A shift register unit includes a substrate and an input circuit, a reset circuit, a first output circuit, a first output terminal, a first connection conductive portion connecting both the input circuit and the reset circuit, a second connection conductive portion connecting both the reset circuit and the first output circuit, and a third connection conductive portion connecting both the first output circuit and the first output terminal, all of which are on the substrate.
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公开(公告)号：US20210193013A1
公开(公告)日：2021-06-24
申请号：US16945110
申请日：2020-07-31
Inventor： Chen XU , Xueguang Hao , Yong Qiao , Xinyin Wu
IPC: 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：US20170194416A1
公开(公告)日：2017-07-06
申请号：US15321151
申请日：2016-03-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liqiang CHEN , Tao GAO , Jing GAO , Chen XU
Abstract: The present disclosure relates to the field of display technology, and provides an array substrate, its manufacturing method and a display device. The array substrate includes a display region and a GOA circuit region arranged outside the display region. A PMOLED display array is formed at the GOA circuit region.
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