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公开(公告)号：US11329038B2
公开(公告)日：2022-05-10
申请号：US17253537
申请日：2020-05-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan Xu , Yicheng Lin , Ling Wang , Guoying Wang , Xing Zhang , Ying Han , Dongfang Yang
IPC: H05K1/14 , H05K1/18 , H05K5/00 , H05K5/03 , H01L25/10 , H01L27/12 , G02F1/133 , G02F1/1333 , G04G17/04 , G04G17/06 , H01L25/18 , H01L27/32
Abstract: The present disclosure provides a display device, including: a display panel, a main circuit board, and a plurality of chip-on-films bonded between the display panel and the main circuit board. The wiring area is provided with a plurality of first binding regions; the plurality of first binding regions are distributed along the wiring area. The main circuit board is provided with a plurality of second binding regions which are corresponding to the first binding regions in a one-to-one manner. A shape of the main circuit board is the same as a shape of the wiring area. A first end of each chip-on-film is bonded to one corresponding first binding region; a second end of each chip-on-film is bonded to one corresponding second binding region.
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公开(公告)号：US11271049B2
公开(公告)日：2022-03-08
申请号：US16767377
申请日：2019-12-20
Applicant: BOE Technology Group Co., Ltd.
Inventor： Guoying Wang , Zhen Song
IPC: H01L27/32
Abstract: The present disclosure provides an array substrate, a preparation method thereof and a related device. The array substrate includes a plurality of sub-pixel areas, each of the plurality of sub-pixel areas includes a pixel drive circuit and a photo compensation circuit arranged above a substrate, the pixel drive circuit includes a pixel storage capacitor coupled with a drive transistor, and the photo compensation circuit includes a photosensitive storage capacitor coupled with a photosensitive device; and the pixel storage capacitor and the photosensitive storage capacitor are arranged in a laminated manner, and the pixel storage capacitor and the photosensitive storage capacitor share a same electrode plate.
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公开(公告)号：US11251311B2
公开(公告)日：2022-02-15
申请号：US16075268
申请日：2018-01-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Guoying Wang , Zhen Song
IPC: H01L29/786 , H01L29/40 , H01L29/66
Abstract: A thin-film transistor, method of manufacturing the same, and a display apparatus are provided. The thin-film transistor includes a first active layer, a source, a drain, a gate, and a second active layer, the source, the drain, the gate are disposed on the first active layer with spacing, the gate is located between the source and the drain, the second active layer is disposed on the gate, the source, and the drain, the source and the drain are both respectively connected to the first active layer and the second active layer, and the gate is respectively insulated from the first active layer, the second active layer, the source, and the drain. When a voltage is applied to the gate, the source and the drain may be conducting via the first and second active layer. Therefore, a larger current may flow between the source and the drain.
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公开(公告)号：US11251249B2
公开(公告)日：2022-02-15
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：US11239292B2
公开(公告)日：2022-02-01
申请号：US16476578
申请日：2018-08-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jiangbo Chen , Youngsuk Song , Wenjun Hou , Lei Zhao , Guoying Wang
Abstract: Provided are an array substrate, a display panel, a display apparatus and a preparation method therefor. The array substrate comprises: a base substrate; and multiple pixel units arranged on one side of the base substrate, each of the pixel units comprising: a thin-film transistor and an electroluminescent structure, and a shading structure located between the thin-film transistor and the base substrate, wherein the thin-film transistor comprises: an active layer located on one side, away from the base substrate, of the shading structure; the electroluminescent structure comprises: first electrodes for driving the pixel units; and one of the shading structure and the active layer is a same-layer structure fabricated by the same mask plate as the first electrodes so as to reduce the number of mask procedures required in preparation of an array substrate.
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Patent Agency Ranking
公开(公告)号：US11211581B2
公开(公告)日：2021-12-28
申请号：US16640047
申请日：2019-09-11
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guoying Wang , Zhen Song
Abstract: A display panel is provided, the display panel including a back plate, a cover plate, a first spacer, and a second spacer, wherein the back plate has a first surface, the cover plate is disposed opposite the back plate and has a second surface opposite the first surface, the first spacer protrudes from an edge of the first surface and has a closed structure, a first connecting end, and a first free end, the first connecting end connected to the back plate, and the first free end extending away from the back plate, the second spacer protrudes from an edge of the second surface and has a closed structure, a second connecting end, and a second free end, the second connecting end connected to the cover plate, and the second free end extending away from the cover plate, and the first free end presses against the second free end.
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公开(公告)号：US20210335942A1
公开(公告)日：2021-10-28
申请号：US16330533
申请日：2018-02-09
Applicant: BOE Technology Group Co., Ltd.
Inventor： Guoying Wang , Zhen Song
Abstract: The present application discloses an organic light emitting diode display panel having a plurality of subpixels. The organic light emitting diode display panel includes an array substrate; and a counter substrate facing the array substrate. The counter substrate includes a plurality of organic light emitting diodes. The array substrate includes a first base substrate and a plurality of thin film transistors on the first base substrate for driving light emission of the plurality of organic light emitting diodes in the counter substrate.
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公开(公告)号：US11088283B2
公开(公告)日：2021-08-10
申请号：US16330990
申请日：2018-08-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guoying Wang , Zhen Song , Hongda Sun
IPC: H01L29/786 , H01L29/417 , H01L29/423 , H01L29/66 , H01L29/41
Abstract: The present application provides a thin film transistor, a method of fabricating a thin film transistor and an array substrate. The thin film transistor includes: a gate electrode on a substrate and having first and second side surfaces facing each other; and an active layer between the first side surface and the second side surface of the gate electrode and having a third side surface and a fourth side surface. The third side surface of the active layer and the first side surface of the gate electrode face and are spaced apart from each other, the fourth side surface of the active layer and the second side surface of the gate electrode face and are spaced apart from each other, and at least one portion of the gate electrode is in the same range as at least one portion of the active layer in a height direction.
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公开(公告)号：US11088230B2
公开(公告)日：2021-08-10
申请号：US16338125
申请日：2018-07-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhen Song , Guoying Wang
Abstract: A pixel circuit includes a substrate, and a first thin film transistor and a second transistor which are disposed on the substrate. The first thin film transistor is in a top-gate structure, and the second thin film transistor is in a bottom-gate structure; a first electrode of the first thin film transistor is electrically connected with a gate electrode of the second thin film transistor, and the first electrode of the first thin film transistor and the gate electrode of the second thin film transistor are in a same layer on the substrate. The pixel circuit can have a relatively high switch speed and a relatively large driving current, a manufacturing method is easily realized and a process cost is relatively low.
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公开(公告)号：US11018211B2
公开(公告)日：2021-05-25
申请号：US16395730
申请日：2019-04-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Guoying Wang , Zhen Song
Abstract: The embodiment of the present disclosure provides an array substrate, a display panel and a display device. The array substrate comprises a plurality of self-luminous units and photosensitive units disposed on a base substrate, wherein the photosensitive units are located on a side of the self-luminous units proximate to the base substrate, and each of the self-luminous units is correspondingly provided with the photosensitive unit; the self-luminous unit comprises a first electrode, a light-emitting functional layer and a second electrode disposed sequentially in a direction away from the base substrate; the first electrode comprises a light-transmitting region and a reflective region interconnected with each other; the second electrode is a transparent electrode.
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