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公开(公告)号：US20220215799A1
公开(公告)日：2022-07-07
申请号：US17435249
申请日：2020-10-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li WANG , Qian YANG , Tian DONG , Renrong GAI , Jingquan WANG , Bo WANG
IPC: G09G3/3233 , H01L27/32
Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor being connected with a gate electrode of the driving transistor and configured to reset the gate electrode of the driving transistor, and the second reset transistor being configured to reset the first electrode of the light-emitting element; a first initialization signal line, connected with the gate electrode of the driving transistor through the first reset transistor; and a second initialization signal line, connected with the first electrode of the light-emitting element through the second reset transistor. The first initialization signal line and the second initialization signal line are insulated from each other and are configured to supply signals respectively.
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公开(公告)号：US20210389836A1
公开(公告)日：2021-12-16
申请号：US17412874
申请日：2021-08-26
Inventor： Yang RAO , Cheng ZUO , Dayu ZHANG , Kangpeng DANG , Hong CHEN , Peng QIN , Zhong JIN , Bo WANG , Zhongli LUO , Xiong GUO , Shifei HUANG , Teng LIU , Yuansheng TANG
IPC: G06F3/041
Abstract: A touch circuit includes a touch IC and a logic sub-circuit. The touch IC includes a touch signal port. The logic sub-circuit is connected to the touch signal port, and is configured to transmit a touch enabling signal to the touch signal port. The logic sub-circuit includes an AND gate. The AND gate includes a first input terminal, a second input terminal and an output terminal electrically connected to the touch signal port. The AND gate is configured to output the touch enabling signal through the output terminal electrically connected to the touch signal port in response to receiving one of a backlight turn-on signal and a screen turn-on signal through the first input terminal, and a touch generation signal through the second input terminal.
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公开(公告)号：US20210209981A1
公开(公告)日：2021-07-08
申请号：US15775463
申请日：2017-11-21
Inventor： Bo WANG
IPC: G09G3/20
Abstract: The present disclosure provides a gate driver-on-array (GOA) unit and a method of driving the same, a GOA circuit, and a display apparatus. The GOA unit includes a pulling-up circuit, a pulling-down circuit and an output holding circuit. The pulling-up circuit is configured to output a gate scanning signal from the output terminal, under the control of a trigger signal, a first control signal and a second control signal. The output holding circuit is configured to hold the gate scanning signal output from the output terminal, under the control of the trigger signal, the first control signal and the second control signal. The pulling-down circuit is configured to reset the gate scanning signal and hold the gate scanning signal in a reset state for a set time period, under the control of the trigger signal, the first control signal and the second control signal.
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公开(公告)号：US20210119186A1
公开(公告)日：2021-04-22
申请号：US17135501
申请日：2020-12-28
Inventor： Xiaoping WU , Chuan LI , Bo WANG
IPC: H01L51/56 , G02F1/1333 , H01L27/32 , G02F1/1345 , B23K26/364 , B23K26/0622
Abstract: A display panel includes a base, a plurality of conductive connectors disposed on the base, a plurality of leads arranged on the base along an edge of the display panel, and at least one groove located between the conductive connectors and the edge. One end of each lead is connected to a corresponding conductive connector, and another end thereof extends to the edge of the display panel. At least one lead is divided into at least two parts by the at least one groove, and a depth of the groove is greater than or equal to a thickness of the lead.
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公开(公告)号：US20210043695A1
公开(公告)日：2021-02-11
申请号：US16822244
申请日：2020-03-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bo WANG , Ge ZHANG , Fuqiang LI
IPC: H01L27/32
Abstract: The present disclosure relates to a display panel, a display device, and a driving method for the display device, and relates to the field of display technology. The display panel includes a display area having a plurality of pixels, each of the pixels including a plurality of sub-pixels; and the display area is at least divided into a first area and a second area, the pixel density of the first area is smaller than the pixel density of the second area, and the number of sub-pixels in each of the pixels of the first area is larger than the number of sub-pixels in each of the pixels of the second area. The display panel according to the present disclosure may achieve a full-screen display, and avoid a hole or holes for mounting the camera module on the display panel.
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Patent Agency Ranking
公开(公告)号：US20210026494A1
公开(公告)日：2021-01-28
申请号：US17043436
申请日：2020-03-02
Inventor： Bo WANG , Fuqiang LI
Abstract: The disclosure provides a touch panel, a control method and a control device thereof, and a display device. The touch panel comprises at least one first touch area and at least one second touch area, wherein a density of touch electrodes in the first touch area is greater than a density of touch electrodes in the second touch area.
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67.发明申请公开(公告)号：US20190333421A1
公开(公告)日：2019-10-31
申请号：US16393353
申请日：2019-04-24
Inventor： Yang RAO , Peng QIN , Zhongli LUO , Bo WANG , Juncai AI
IPC: G09F3/20 , G06K19/077 , H04W4/35 , G06Q10/06 , B65C9/38
Abstract: Provided are apparatus and method for management of electronic shelf label. The apparatus for management of electronic shelf label, ESL, including an ESL mainboard and a plurality of ESL small boards, wherein the ESL mainboard sends task commands to the plurality of ESL small boards through a first logic signal; and each ESL small board of the plurality of ESL small boards includes a receiving portion and a display portion, the receiving portion receives, through the first logic signal, a command for a task corresponding to the ESL small board as sent by the ESL mainboard, and the display portion displays the task.
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公开(公告)号：US20190331954A1
公开(公告)日：2019-10-31
申请号：US16394417
申请日：2019-04-25
Inventor： Peng QIN , Cheng ZUO , Kangpeng DANG , Yang RAO , Bo WANG , Zhong JIN , Lihua JIANG
IPC: G02F1/1345 , G02F1/1362 , G09G3/36 , G09G3/3225 , H01L27/32 , G06F3/041 , G06F3/044
Abstract: A circuit substrate, a display device and a driving method are provided. The circuit substrate includes a base substrate, a gate driving circuit, and at least one signal trace group which are on the base substrate. The signal trace group includes two signal traces, and the two signal traces are electrically connected with the gate driving circuit and are configured to provide clock signals with inverted phases to the gate driving circuit; the two signal traces are respectively in different layers and are insulated from each other; and orthographic projections of the two signal traces on the base substrate at least partially overlap with each other.
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公开(公告)号：US20180082623A1
公开(公告)日：2018-03-22
申请号：US15539124
申请日：2016-05-23
Inventor： Bo WANG
CPC classification number: G09G3/3266 , G09G3/20 , G09G3/3677 , G09G2310/0286 , G11C19/184 , G11C19/28
Abstract: A shift register unit, a driving method, a gate driving circuit and a display device are described. The shift register unit comprises a control circuit, a first output circuit and a second output circuit, wherein the first output circuit is connected with a first signal terminal, a first node and an output terminal, respectively; the second output circuit is connected with the output terminal, a second node, a first clock signal terminal and a second signal terminal, respectively; the control circuit is connected with the first node, the second node, the first signal terminal, the second signal terminal, the first clock signal terminal, a second clock signal terminal and an input terminal, respectively, and used for controlling the potentials of the first node and the second node.
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公开(公告)号：US20170039945A1
公开(公告)日：2017-02-09
申请号：US14909943
申请日：2015-08-20
Inventor： Bo WANG , Minghua XUAN , Yi ZHANG
IPC: G09G3/3258 , G09G3/3291
CPC classification number: G09G3/3258 , G09G3/3233 , G09G3/3291 , G09G2300/043 , G09G2300/0809 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/045
Abstract: The present invention provides a pixel circuit, a driving method thereof and a display device. The pixel circuit comprises a drive module, an energy storage module, an electroluminescent module, a data voltage writing module, a threshold compensation module and a reset module, and also comprises an operating voltage input terminal, a data voltage input terminal and a plurality of control signal input terminal. The threshold compensation module is capable of introducing the voltage on the compensation voltage input terminal so as to set the voltage on the control terminal of the drive module to be a sum of the threshold voltage of the drive module and the operating voltage, thus the driving current flowing through the electroluminescent units is not affected by the threshold voltage of corresponding drive modules, such that the problem of uneven display brightness caused by the threshold voltage drift of driving transistors can be solved.
Abstract translation: 本发明提供一种像素电路，其驱动方法和显示装置。 像素电路包括驱动模块，能量存储模块，电致发光模块，数据电压写入模块，阈值补偿模块和复位模块，并且还包括工作电压输入端，数据电压输入端和多个 控制信号输入端子。 阈值补偿模块能够在补偿电压输入端子上引入电压，以将驱动模块的控制端子上的电压设置为驱动模块的阈值电压与工作电压之和，从而驱动 流过电致发光单元的电流不受相应驱动模块的阈值电压的影响，从而可以解决由驱动晶体管的阈值电压漂移引起的不均匀显示亮度的问题。
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