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公开(公告)号:US11864439B2
公开(公告)日:2024-01-02
申请号:US17621770
申请日:2021-01-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H10K59/131 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K59/121 , H10K102/00
CPC classification number: H10K59/131 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K59/121 , G09G2300/0426 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2320/0214 , G09G2320/0247 , G09G2330/02 , G09G2330/021 , H10K2102/302
Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate; a pixel unit on the base substrate and including a pixel circuit and a light-emitting element, the pixel circuit being configured to drive the light-emitting element, the pixel circuit being closer to the base substrate than the light-emitting element and including a driving transistor; a data line configured to provide data signal to the pixel circuit; a connection element through which the light-emitting element is connected with the pixel circuit, the connection element including a shielding portion; and a connection line connected with a gate electrode of the driving transistor. The data line includes two adjacent data lines with the shielding portion located therebetween, and an orthographic projection of the connection line on the base substrate at least partially overlaps with an orthographic projection of the shielding portion on the base substrate.
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公开(公告)号:US11529702B2
公开(公告)日:2022-12-20
申请号:US16638609
申请日:2018-10-31
Inventor: Xiaoping Wu , Chuan Li , Bo Wang
IPC: B23K26/38 , B23K26/0622 , H05K3/00 , B23K101/42
Abstract: A cutting method for a display panel, wherein the cutting method includes: cutting a display motherboard to be cut into a plurality of separate display panels by using a first laser beam, wherein the display panels each include a plurality of leads disposed between conductive connectors and a cutting edge of the display panel formed after cutting by the first laser beam; and severing at least some leads of the display panel by using a second laser beam at a position on the display panel between the conductive connectors and the cutting edge of the display panel, the at least some leads being short-circuited leads.
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公开(公告)号:US11487387B2
公开(公告)日:2022-11-01
申请号:US17356802
申请日:2021-06-24
Inventor: Kangpeng Dang , Cheng Zuo , Hong Chen , Yuansheng Tang , Kuan Li , Bo Wang , Xiong Guo , Zhongli Luo , Ming Gao , Dayu Zhang
IPC: G06F3/041 , G06F3/0354
Abstract: The present disclosure provides a method for driving a display panel, a display module and a display device. The display panel includes a touch electrode. The method includes: in a touch stage, providing a touch signal to the touch electrode. The touch stage includes: a first touch sub-stage and a second touch sub-stage spaced from each other; the touch signal includes: an uplink signal and a touch driving signal, and an active level of the uplink signal is higher than an active level of the touch driving signal. In the first touch sub-stage, the uplink signal is provided to the touch electrode; and in the second touch sub-stage, the touch driving signal is provided to the touch electrode.
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公开(公告)号:US20220199028A1
公开(公告)日:2022-06-23
申请号:US17279757
申请日:2020-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Li Wang , Bo Wang , Jingquan Wang
IPC: G09G3/3266 , G09G3/3233 , H01L27/32
Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate; a plurality of sub-pixels and gate lines; and a gate driving circuit including cascaded multistage gate driving units, one or more stages include first and second gate driving sub-circuits. The sub-pixels includes a first and a second groups of sub-pixels. The first group of sub-pixels includes a first, a second, and a third sub-groups of sub-pixels, of which, pixel driving circuits are connected to anodes of light-emitting elements of the first, second and third sub-groups of sub-pixels through a first, a second and a third groups of anode connection lines, respectively. At least one group of anode connection lines includes a plurality of first anode connection lines, of which, a length of one of two first anode connection lines closer to the first gate driving sub-circuit is larger.
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公开(公告)号:US11170695B2
公开(公告)日:2021-11-09
申请号:US15777715
申请日:2017-10-10
Inventor: Bo Wang
Abstract: The present disclosure provides a shift register unit, a driving method thereof, a gate drive circuit, and a display device, and relate to the field of display technology. When a user's demand is changed, it is not necessary to regulate a pulse width of a signal inputted to a pixel circuit row by row, and a signal outputted from the shift register unit to the pixel circuit is stable. The shift register unit includes a first input circuit, a first output circuit, a second input circuit, a second output circuit, and a stabilizing circuit. The stabilizing circuit is configured to, when the first output circuit outputs a signal to a signal output terminal, stabilize a potential of a second node so that no signal is outputted from the second output circuit; or, when the second output circuit outputs a signal to the signal output terminal, stabilize a potential of a first node so that no signal is outputted from the first output circuit.
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公开(公告)号:US11156882B2
公开(公告)日:2021-10-26
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: G09G3/36 , G02F1/1345 , G02F1/1362 , G06F3/041 , G06F3/044 , G09G3/3225 , H01L27/32 , G06F1/16
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:US10885839B2
公开(公告)日:2021-01-05
申请号:US16313494
申请日:2018-06-26
Inventor: Bo Wang
IPC: G09G3/36 , G09G3/30 , G09G3/3233 , G09G3/3258 , G09G3/3291 , G09G3/3266
Abstract: A pixel circuit, a method for driving a pixel circuit and a display device are provided. The pixel circuit includes a reset and precharge sub-circuit, a scanning compensation sub-circuit, a driving sub-circuit and a light-emission control sub-circuit, the scanning compensation sub-circuit comprises a storage capacitor, the light-emission control sub-circuit is configured to control a light-emitting device to emit light, the reset and precharge sub-circuit is coupled to the scanning compensation sub-circuit and the light-emission control sub-circuit, and is configured to reset the light-emission control sub-circuit according to a reset signal, and reset a second electrode of the storage capacitor of the scanning compensation sub-circuit according to a scanning signal; the scanning compensation sub-circuit is further coupled to the driving sub-circuit and the light-emission control sub-circuit, and is configured to charge the storage capacitor of the scanning compensation sub-circuit according to the scanning signal.
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公开(公告)号:US10330849B2
公开(公告)日:2019-06-25
申请号:US15147392
申请日:2016-05-05
Inventor: Bo Wang , Zhanjie Ma , Minghua Xuan
Abstract: The present disclosure provides a quantum dot film, a method for manufacturing the same and a backlight module. The quantum dot film comprises a quantum dot layer and an optical waveguide layer, the quantum dot layer covers the optical waveguide layer, the optical waveguide layer is a laminated structure made up of a plurality of sublayers, and starting from the sublayer close to the quantum dot layer in the laminated structure, the refractive indices of sublayers become larger layer by layer. The backlight module comprises the above-mentioned quantum dot film, and the quantum dot film is located between the optical waveguide layer and the prism film.
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公开(公告)号:US20240361864A1
公开(公告)日:2024-10-31
申请号:US18633015
申请日:2024-04-11
Applicant: Chongqing BOE Optoelectronics Technology Co., Ltd. , BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
Inventor: Zhongli Luo , Xiaofeng Yin , Kangpeng Dang , Bo Wang , Xiong Guo , Cheng Zuo , Hong Chen , Hebing Xu , Kuan Li , Xingyu Pu , Yuhong Sun , Yuansheng Tang
IPC: G06F3/041
CPC classification number: G06F3/04166 , G06F3/0412
Abstract: A display module and a touch display device are provided by the present application, which relates to the technical field of displaying. At least one driving chip is provided within the bonding region. The mainboard includes a power-supply chip. For a same driving chip, a resistance value between a first output terminal of the driving chip and the power-supply chip is substantially equal to a resistance value between a second output terminal of the driving chip and the power-supply chip, wherein the first output terminal refers to the output terminal that has the lowest distance to the first side edge, and the second output terminal refers to the output terminal that has the lowest distance to the second side edge. The display module is used to manufacture a touch display device.
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公开(公告)号:US20240260363A1
公开(公告)日:2024-08-01
申请号:US18620574
申请日:2024-03-28
Applicant: BOE TECHNOLOGY Group Co, Ltd.
Inventor: Li Wang , Bo Wang , Jingquan Wang
IPC: H10K59/131 , G09G3/00 , G09G3/3225 , H10K59/121 , H10K59/35
CPC classification number: H10K59/131 , G09G3/00 , G09G3/3225 , H10K59/1213 , H10K59/1216 , H10K59/353 , G09G2300/00
Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; a plurality of sub-pixels, each sub-pixel including a light-emitting element and a pixel driving circuit; a plurality of gate lines and light-emitting control lines; a gate driving circuit located at the display area and including cascaded multistage gate driving units, one or more stages include gate driving sub-circuits including a first and a second gate driving sub-circuit spaced apart by pixel driving circuits of a first group of sub-pixels; and a light-emitting control driving circuit located at the display area and including cascaded multistage light-emitting control driving units, one or more stages include light-emitting control driving sub-circuits including a first and a second light-emitting control driving sub-circuit spaced apart by pixel driving circuits of a second group of sub-pixels.
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