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公开(公告)号：US11616043B2
公开(公告)日：2023-03-28
申请号：US17057351
申请日：2020-02-11
Applicant: BOE Technology Group Co., Ltd.
Inventor： Liang Chen , Lei Wang , Minghua Xuan , Li Xiao , Dongni Liu , Detao Zhao , Hao Chen
Abstract: A chip transfer method including: disposing a target substrate in a closed cavity, the target substrate including a first alignment bonding structure and a second alignment bonding structure; applying a charge of a first polarity to the first alignment bonding structure of the target substrate; applying a charge of a second polarity to a first chip bonding structure of a chip; injecting an insulating fluid into the closed cavity to suspend the chip in the insulating fluid within the closed cavity; and applying a bonding force to the chip.
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公开(公告)号：US11308860B2
公开(公告)日：2022-04-19
申请号：US16605932
申请日：2019-05-10
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ning Cong , Minghua Xuan , Han Yue , Ming Yang , Xiaochuan Chen , Detao Zhao , Liang Chen , Can Zhang , Can Wang
IPC: G09G3/32
Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.
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公开(公告)号：US11227534B2
公开(公告)日：2022-01-18
申请号：US16611742
申请日：2019-03-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dongni Liu , Lei Wang , Minghua Xuan , Xiaochuan Chen , Shengji Yang , Liang Chen , Li Xiao , Zheng Fang , Detao Zhao , Pengcheng Lu
IPC: G09G3/32
Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting, control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n−1)th gate line or a 2nth gate line. The nth-level light-emitting control switching sub-circuit is configured to enable an nth-level light-emitting control signal output end to be electrically connected to a (2n−1)th light-emitting control line or a 2nth light-emitting control line, where N is an integer greater than 1, and n is a positive integer smaller than or equal to N.
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公开(公告)号：US11176878B2
公开(公告)日：2021-11-16
申请号：US16606128
申请日：2019-05-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Detao Zhao , Lei Wang , Ming Yang , Can Wang , Ning Cong , Han Yue , Can Zhang , Minghua Xuan , Xiaochuan Chen
IPC: G09G3/32 , G09G3/3225 , G06F1/16 , G09G3/00
Abstract: A flexible display screen, a bending detection method and device, a driving method are disclosed. The flexible display screen includes an array substrate, a light emitting device on a side of the array substrate, and an elastic conductor layer on a side of the array substrate distal to the light emitting device. The array substrate includes at least one target region, and a plurality of storage capacitors in each target region. The array substrate further includes a target electrode-plate including first electrode-plates of storage capacitors in the same target region. The target electrode-plate is electrically connected to a detecting signal terminal, and the detecting electrode-plate includes at least the target electrode-plate. The array substrate is configured to form a bending detection capacitor collectively by the detecting electrode-plate and the elastic conductor layer in response to the target electrode-plate receives detecting signal.
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公开(公告)号：US20210335212A1
公开(公告)日：2021-10-28
申请号：US16605932
申请日：2019-05-10
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ning Cong , Minghua Xuan , Han Yue , Ming Yang , Xiaochuan Chen , Detao Zhao , Liang Chen , Can Zhang , Can Wang
IPC: G09G3/32
Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.
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Patent Agency Ranking
公开(公告)号：US11112897B2
公开(公告)日：2021-09-07
申请号：US16622412
申请日：2019-05-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Liang Chen , Lei Wang , Detao Zhao , Huijuan Wang , Xiaochuan Chen , Minghua Xuan , Shengji Yang , Li Xiao , Dongni Liu
Abstract: A organic light-emitting display panel, a preparation method of the organic light-emitting display panel and a display device are provided. The preparation method of the organic light-emitting display panel includes: providing a base substrate; forming a plurality of touch electrode wirings, an organic functional layer, and a plurality of first electrodes sequentially on the base substrate, the plurality of the touch electrode wirings being electrically insulated from each other, the plurality of the first electrodes being electrically insulated from each other, and the plurality of the touch electrode wirings and the plurality of the first electrodes are in one-to-one correspondence, forming a first encapsulation structure on the plurality of the first electrodes, and then using a laser irradiation process to electrically connect the respective first electrodes with the touch electrode wirings corresponding thereto by via holes passing through the organic functional layer.
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37.发明申请公开(公告)号：US20210217352A1
公开(公告)日：2021-07-15
申请号：US16638427
申请日：2018-11-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Minghua Xuan , Li Xiao , Lei Wang , Xiaochuan Chen , Detao Zhao , Dongni Liu , Liang Chen
IPC: G09G3/32
Abstract: The present application discloses display-driving circuit for multiple rows of pixels in a column of a display panel. The display-driving circuit includes a compensation sub-circuit comprising a driving transistor, a data-input transistor, a drive-control transistor, a reset transistor, and a capacitor. The compensation sub-circuit is configured to compensate a drift of a threshold voltage of the driving transistor to drive light emission of multiple light-emitting diodes associated with respective multiple rows of pixels in the column. The display-driving circuit further includes multiple first emission-control transistors coupled in parallel between a high-voltage supply and a source electrode of the driving transistor and multiple second emission-control transistors respectively coupled between a drain electrode of the driving transistor and respective anodes of the multiple light-emitting diodes, and respectively turned on in different ones of multiple portions of one cycle time for displaying one frame of image.
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公开(公告)号：US10663789B2
公开(公告)日：2020-05-26
申请号：US16199720
申请日：2018-11-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dongni Liu , Lei Wang , Minghua Xuan , Li Xiao , Detao Zhao , Liang Chen
IPC: G02F1/1335 , G02F1/1362
Abstract: The disclosure discloses a lens substrate, a liquid crystal lens, and a liquid crystal glasses, where first annular electrodes and second annular electrodes of the lens substrate are arranged concentric with each other, and orthographic projections of the first annular electrodes onto a base substrate and orthographic projections of the second annular electrodes onto the base substrate are arranged alternately; where first wirings are electrically connected with the second annular electrodes through first via holes, and at least a first annular electrode adjacent to a part of the first via holes includes a place-giving pattern in an area corresponding to the part of the first via holes, and a smallest spacing between the place-giving pattern and its corresponding first via hole is no less than a preset distance.
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公开(公告)号：US10254571B2
公开(公告)日：2019-04-09
申请号：US15527140
申请日：2016-10-21
Inventor： Pengju Zhang , Detao Zhao , Hanqing Liu , Xin Li , Hong Zhu
IPC: G02F1/13 , G02F1/1341
Abstract: A liquid crystal adjustment device, a liquid crystal display panel and a method for adjusting an amount of liquid crystals in the liquid crystal display panel are provided. The liquid crystal adjustment device includes a liquid crystal accommodation space in communication with a liquid crystal cell in a liquid crystal display panel. The liquid crystal adjustment device injects liquid crystals into the liquid crystal cell when the liquid crystals in the liquid crystal cell are too many, or expels liquid crystals from the liquid crystal cell when the liquid crystals in the liquid crystal cell are too few, to implement the adjustment of the amount of the liquid crystals in the liquid crystal cell, thereby keeping a stable amount of liquid crystals in the liquid crystal cell.
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公开(公告)号：US20170192319A1
公开(公告)日：2017-07-06
申请号：US15253095
申请日：2016-08-31
Inventor： Pengju Zhang , Xin Li , Bin Li , Detao Zhao , Xuchen Yuan
IPC: G02F1/1362 , G02F1/1343 , H01L27/32 , G02F1/1368
CPC classification number: G02F1/136204 , G02F1/136286 , H01L23/60 , H01L27/0248 , H01L27/0288 , H01L27/124 , H01L27/3272 , H01L2227/323
Abstract: An array substrate and a method of manufacturing the same, and a display device are disclosed. The array substrate includes a base substrate; a pixel electrode, a thin film transistor, a gate line and a data line that are provided on the base substrate; and an electrostatic shielding layer provided on the base substrate. The electrostatic shielding layer is configured for electrostatic protection during production of the array substrate.
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