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公开(公告)号：US11901486B2
公开(公告)日：2024-02-13
申请号：US17256185
申请日：2020-04-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Chen , Lei Wang , Minghua Xuan , Dongni Liu , Li Xiao , Detao Zhao , Hao Chen
CPC classification number: H01L33/20 , H01L24/81 , H01L33/005 , H01L24/14 , H01L2933/0066
Abstract: Provided is a method for transferring a chip, including: disposing a target substrate in a sealed chamber; applying charges of different polarities to a first alignment bonding structure of the target substrate and a first chip bonding structure of the chip, and injecting an insulation fluid flowing in a first direction into the sealed chamber, so that the first chip bonding structure is aligned with the first alignment bonding structure; applying charges of different polarities to a second alignment bonding structure of the target substrate and a second chip bonding structure of the chip, and changing the flowing direction of the insulation fluid to a second direction, so that the second chip bonding structure is aligned with the second alignment bonding structure; and applying a bonding force to the chip, so that the chip bonding structures is bonded to the alignment bonding structures.
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公开(公告)号：US11450270B2
公开(公告)日：2022-09-20
申请号：US16484621
申请日：2019-01-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Chen , Lei Wang , Dongni Liu , Li Xiao , Minghua Xuan , Xiaochuan Chen , Shengji Yang , Pengcheng Lu , Detao Zhao , Ning Cong
IPC: G09G3/3233 , G09G3/3275
Abstract: A pixel circuit and a method of driving the same, and a display device. The pixel circuit includes a plurality of pixel compensation circuits, and each pixel compensation circuit can be connected to M light-emitting units located in the same column. Each light-emitting control signal terminal of the M light-emitting control signal terminals included in each light-emitting control signal terminal group may be connected to a pixel compensation circuit group (i.e., K rows of pixels compensation circuits).
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公开(公告)号：US11217182B2
公开(公告)日：2022-01-04
申请号：US16338813
申请日：2018-10-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Minghua Xuan , Lei Wang , Xiaochuan Chen , Dongni Liu , Detao Zhao
IPC: G09G3/3291
Abstract: The present disclosure provides a power source voltage application circuit, including a power source voltage output end, an energy storage sub-circuitry, a resetting sub-circuitry and an output control sub-circuitry. A first end of the energy storage sub-circuitry is connected to a first node, and a second end of the energy storage sub-circuitry is connected to a second node. The resetting sub-circuitry is connected to a resetting control end, a reference voltage input tend, the first node, the second node and an initial voltage input end respectively. The output control sub-circuitry is connected to an output control end, a first voltage input end, the first node, the second node and the power source voltage output end respectively.
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4.发明授权
公开(公告)号：US11177294B2
公开(公告)日：2021-11-16
申请号：US16701706
申请日：2019-12-03
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dongni Liu , Minghua Xuan , Li Xiao , Detao Zhao , Liang Chen , Hao Chen
IPC: H01L23/48 , H01L27/12 , H01L21/288 , H01L21/768 , H01L23/522
Abstract: An array substrate, a manufacturing method thereof and a display device are provided. A display unit is disposed on a first surface of a base substrate, and a driving circuit is disposed on a second surface of the base substrate opposite to the first surface, the driving circuit is electrically connected with the display unit through a signal connection structure in at least one via structure, a longitudinal section of the at least one via hole is a trapezoid, and a length of a bottom edge of the trapezoid at one side of the trapezoid close to the display unit is larger than a length of a bottom edge of the trapezoid at one side of the trapezoid away from the display unit.
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公开(公告)号：US10948535B2
公开(公告)日：2021-03-16
申请号：US16391833
申请日：2019-04-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Detao Zhao , Liang Chen , Li Xiao , Dongni Liu , Lei Wang , Minghua Xuan , Xiaochuan Chen
IPC: G01R31/3187 , G01R31/28 , G09G3/20 , G09G3/3225 , H01L27/32
Abstract: The present disclosure provides a display device and a detection method for the display device. The display device includes a display area and a non-display area. The display device comprises: a pixel array at the display area, a plurality of switching transistors at the non-display area, and at least one detection line at the non-display area. The pixel array includes a plurality of sub-pixels. The plurality of switching transistors are electrically connected to a plurality of columns of sub-pixels of the pixel array in one-to-one correspondence. Each of the at least one detection line is electrically connected to a part of the plurality of switching transistors.
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公开(公告)号：US10930221B2
公开(公告)日：2021-02-23
申请号：US16424870
申请日：2019-05-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Liang Chen , Lei Wang , Xiaochuan Chen , Minghua Xuan , Li Xiao , Dongni Liu , Shengji Yang , Pengcheng Lu , Ning Cong , Detao Zhao
IPC: G09G3/3291 , H01L51/52
Abstract: The present disclosure provides a light emitting unit, a driving method thereof, and a display device, belongs to the field of organic light emitting transistor (OLET) display technology, and can at least partially solve the problem of high power consumption of an existing OLET display technique. The light emitting unit includes an OLET and a driving circuit. The driving circuit is coupled to a control electrode and a first electrode of the OLET, and is configured to provide a data voltage to the control electrode of the OLET and provide a compensation voltage correlated with the data voltage to the first electrode of the OLET. A second electrode of the OLET is coupled to a first constant voltage terminal.
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公开(公告)号：US11468819B2
公开(公告)日：2022-10-11
申请号：US16614365
申请日：2019-04-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongni Liu , Minghua Xuan , Lei Wang , Xiaochuan Chen , Liang Chen , Li Xiao , Detao Zhao , Shengji Yang , Pengcheng Lu , Zheng Fang
IPC: G09G3/3266 , G09G3/20
Abstract: The present disclosure relates to the field of display technologies, and in particular, to a shift register circuit and a display device. The shift register circuit may include a plurality of GOAs for outputting scan signals to a plurality of pixel driving circuits and a plurality of EOAs for outputting control signals to the plurality of pixel driving circuits, where the GOAs and the EOAs are alternately arranged in a straight line.
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公开(公告)号：US11355061B2
公开(公告)日：2022-06-07
申请号：US16757526
申请日：2019-08-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Liang Chen , Lei Wang , Li Xiao , Dongni Liu , Detao Zhao , Ning Cong , Minghua Xuan , Shengji Yang , Xiaochuan Chen
IPC: G09G3/3233 , G09G3/3258 , H01L27/32
Abstract: The present disclosure relates to a pixel circuit, a driving method therefor, and a display apparatus. The pixel circuit includes an input sub-circuit, a light emission control sub-circuit and an organic light-emitting transistor. The input sub-circuit is coupled to a gate line, a data line and the light emission control sub-circuit and writes a data signal supplied via the data line into the light emission control sub-circuit under control of a gate scan signal supplied via the gate line. The light emission control sub-circuit is coupled to a control electrode of the organic light-emitting transistor and controls a control electrode voltage of the organic light-emitting transistor according to a written data signal to drive the organic light-emitting transistor to emit light. With the pixel circuit according to embodiments of the present disclosure, active driving of an organic light-emitting transistor is achieved when it is applied in a display apparatus.
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公开(公告)号：US11335242B2
公开(公告)日：2022-05-17
申请号：US16652535
申请日：2019-10-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongni Liu , Minghua Xuan , Liang Chen , Detao Zhao , Li Xiao , Zheng Fang
IPC: G09G3/32 , H01L25/075 , H01L27/12 , H01L33/62
Abstract: The present disclosure provides a display substrate, including: a substrate; a plurality of pixel units on the substrate, each of the pixel units having a light-emitting device therein; a power supply electrode configured to supply a power supply voltage to the light-emitting device, wherein the power supply electrode includes a first electrode layer and a second electrode layer, the second electrode layer has a mesh-shaped structure and is coupled to the first electrode layer through a via hole, and the first electrode layer includes a plurality of first electrode parts spaced apart from each other and each having a block shape, each of the first electrode parts being electrically coupled to a plurality of light-emitting devices for supplying the power supply voltage to the plurality of light-emitting devices.
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公开(公告)号：US11320932B2
公开(公告)日：2022-05-03
申请号：US16496236
申请日：2019-04-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Detao Zhao , Pengcheng Lu , Liang Chen , Ning Cong , Ming Yang , Dongni Liu , Li Xiao , Shengji Yang , Lei Wang , Minghua Xuan , Xiaochuan Chen
Abstract: A touch display panel and a method for manufacturing the same are provided. The method includes: forming touch lines, an insulating layer and first electrodes above a substrate, the insulating layer covers the touch lines and is provided with at least one through-hole, the first electrodes are at a side of the insulating layer distal from the touch lines; forming barrier walls in each through-hole, and at a predetermined position in an interval between the first electrodes; forming a light emitting layer and a second electrode layer at a side of the light emitting layer distal from the substrate; removing the barrier walls, portions of the light emitting layer and the second electrode layer above the barrier walls, remaining portions of the second electrode layer form touch electrodes; forming an electrical conductive structure in each through-hole for coupling one touch line to one touch electrode.
