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公开(公告)号：US20210305285A1
公开(公告)日：2021-09-30
申请号：US16336633
申请日：2018-06-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chunping LONG , Yongda MA
IPC: H01L27/12
Abstract: An array substrate, a display panel and a display device are disclosed. The array substrate includes a display region and a non-display region around the display region, and further includes: a first leading wire extending from the non-display region to the display region and a second leading wire extending from the non-display region to the display region. The first leading wire is between a first signal line and a first fan-out line and electrically connects the first signal line and the first fan-out line, and the second leading wire is between a second signal line and a second fan-out line and electrically connects the second signal line and the second fan-out line. The first leading wire and the second leading wire are in different layers.
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公开(公告)号：US20210278731A1
公开(公告)日：2021-09-09
申请号：US16329396
申请日：2018-03-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Chunping LONG , Jian XU , Hui LI , Yongda MA
IPC: G02F1/1362 , G02F1/1368
Abstract: The disclosure discloses a display substrate, a display panel, and a display device. The display substrate includes a plurality of pixel units, each pixel unit includes a first sub-pixel region, a second sub-pixel region, slit electrodes and two thin film transistors, the slit electrodes include a first slit electrode and a second slit electrode corresponding respectively to the first sub-pixel region and the second sub-pixel region, where each of the first slit electrode and the second slit electrode includes at least one slit group, each slit group includes a plurality of slits arranged in a same direction, a slit extension direction and a direction of a formed electric field of one slit group of the first slit electrode are different from a slit extension direction and a direction of a formed electric field of at least one of the at least one slit group of the second slit electrode, respectively.
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公开(公告)号：US20210193690A1
公开(公告)日：2021-06-24
申请号：US17126719
申请日：2020-12-18
Inventor： Yongda MA , Yong QIAO , Jianbo XIAN
IPC: H01L27/12 , H01L29/786
Abstract: A display panel includes first signal lines, second signal lines, first conductive patterns, second conductive patterns, at least one first switching unit and at least one second switching unit. An area of the first signal line is greater than that of the second signal line. Each first signal line is electrically connected to at least one first conductive pattern through at least one first switching unit. Each second signal line is electrically connected to at least one second conductive pattern through at least one second switching unit. The first switching unit includes at least one first thin film transistor, and the second switching unit includes at least one second thin film transistor. A channel width-to-length ratio of each first thin film transistor is greater than that of each second thin film transistor.
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公开(公告)号：US20210193650A1
公开(公告)日：2021-06-24
申请号：US17128356
申请日：2020-12-21
Inventor： Yongda MA , Xinyin WU , Jianbo XIAN
Abstract: A display panel includes a plurality of signal lines, at least one conductive pattern, and a plurality of first switch units. Each of at least part of the signal lines is electrically connected to the at least one conductive pattern through at least one first switch unit. Each first switch unit is connected between a corresponding signal line and a corresponding conductive pattern, and includes a control portion and an electrostatic buffer portion. The control portion is electrically connected between the corresponding signal line and the electrostatic buffer portion, and is configured to close a line between the signal line and the electrostatic buffer portion in response to an electrostatic voltage of electrostatic charges. The electrostatic buffer portion includes a connecting sub-portion and an extension sub-portion. The control portion, the corresponding conductive pattern and the extension sub-portion are electrically connected together through the connecting sub-portion.
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公开(公告)号：US20210036083A1
公开(公告)日：2021-02-04
申请号：US16342039
申请日：2018-08-30
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xueguang HAO , Xinyin WU , Yongda MA
IPC: H01L27/32 , G09G3/3233
Abstract: The disclosure discloses a pixel circuit, a display panel, and a display device. The display device comprises: a light emitting device with a second terminal coupled to a low voltage signal line; a drive thin film transistor with a second terminal coupled to a first terminal of the light emitting device; a light emitting control thin film transistor with a first terminal coupled to a high voltage signal line, and a second terminal coupled to a first terminal of the drive thin film transistor; a switch thin film transistor, which controls data voltage to be written into a control terminal of the drive thin film transistor; a reset thin film transistor, which resets potential of the control terminal of the drive thin film transistor; and a storage capacitor, coupled to the control terminal and the second terminal of the drive thin film transistor.
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Patent Agency Ranking
公开(公告)号：US20200227498A1
公开(公告)日：2020-07-16
申请号：US16475335
申请日：2018-10-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Hongfei CHENG , Yuxin ZHANG , Xueguang HAO , Yongda MA , Yongchun LU , Hui LI
Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a plurality of pixel units, wherein each pixel unit includes a storage capacitor including at least three electrode plates parallel to each other, the at least three electrode plates parallel to each other include a first electrode plate, a second electrode plate and a third electrode plate, the first electrode plate is electrically connected to the second electrode plate, the third electrode plate is disposed between the first electrode plate and the second electrode plate, and the first electrode plate and the second electrode plate each have a portion facing towards the third electrode plate.
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公开(公告)号：US20190121207A1
公开(公告)日：2019-04-25
申请号：US15565775
申请日：2017-05-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jianbo XIAN , Hongfei CHENG , Yong QIAO , Yongda MA
IPC: G02F1/1343 , H01L27/12 , G02F1/1362
Abstract: The present disclosure provides an array substrate, a display panel and a display device. The array substrate includes a display region and a non-display region surrounding the display region. The array substrate further includes a plurality of gate lines, a plurality of data lines, and a plurality of common electrode lines. The plurality of data lines and the plurality of gate lines define a plurality of pixel units at the display region, and each pixel unit includes a pixel electrode. At least one of the plurality of common electrode lines includes a main line and a branch line located at at least one side of the main line, and at least a part of the branch lines are located at an inner side of a periphery of the display region.
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公开(公告)号：US20190073942A1
公开(公告)日：2019-03-07
申请号：US15762357
申请日：2017-08-02
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/22 , G02F1/1335
Abstract: The present disclosure discloses a backlight assembly and a display device, belongs to the field of display technology. The backlight assembly includes a backplate including a first clamping slot; a frame including a frame side wall, the frame being configured for bearing a display panel, and the frame side wall being provided with a second clamping slot therein; and an elastic clamping member including a first clamping portion, a second clamping portion and a connecting portion, the first clamping portion being provided at the first clamping slot, the second clamping portion being provided at the second clamping slot, and the connecting portion being connected with the first clamping portion and the second clamping portion, respectively, to connect the frame with the backplate together.
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公开(公告)号：US20190025493A1
公开(公告)日：2019-01-24
申请号：US15743655
申请日：2017-06-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongda MA , Jianbo XIAN , Yong QIAO
IPC: F21V8/00
Abstract: A light guide plate includes a first light emitting surface and a second light emitting surface. The first light emitting surface and the second light emitting surface are connected by an inclined surface. The first light emitting surface is connected to the light incident surface of the light guide plate and is higher than the second light emitting surface, and the inclined surface is provided with a protruding structure. According to the technical solutions in the embodiments of the present disclosure, part of the light projected onto the inclined surface is reflected back to the light guide plate by the protruding structure and reflected back and forth between the bottom surface of the light guide plate and the inclined surface to be sufficiently mixed and homogenized. A part of the homogenized light emits from the second light emitting surface to compensate for a longitudinal brightness difference. Another part of the homogenized light exits from the protruding structure on the inclined surface and the first light emitting surface, thereby reducing the transverse brightness difference. Thus, the poor user experience such as dazzling can be reduced and the viewing effect can be improved.
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公开(公告)号：US20190006427A1
公开(公告)日：2019-01-03
申请号：US15748295
申请日：2017-06-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yongchun LU , Hongfei CHENG , Xinyin WU , Yongda MA , Jianbo XIAN , Yuxin ZHANG
CPC classification number: H01L27/32 , F21Y2115/15 , H01L27/3246 , H01L27/3276 , H01L51/0508 , H01L51/5206 , H01L51/5221 , H01L51/5228
Abstract: The present disclosure relates to an OLED display device, including OLED units and a pixel spacer layer having a plurality of opening portions, which are disposed on a substrate. Each OLED unit includes an anode, a light-emitting functional layer and a cathode which are disposed sequentially in a direction away from the substrate. The light-emitting functional layer is disposed in the opening portions. The pixel spacer layer is provided with a via hole. The display device further includes: an auxiliary electrode disposed below the pixel spacer layer, corresponding to a display area, spaced apart from the anode, and connected to the cathode through the via hole in the pixel spacer layer; and a print circuit board disposed at a side of the substrate away from the pixel spacer layer, configured to transmit a signal of the cathode to the auxiliary electrode through an conductive lead.
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