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公开(公告)号：US11972711B2
公开(公告)日：2024-04-30
申请号：US17415717
申请日：2020-12-29
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tian Dong , Shiming Shi , Bo Wang , Jingquan Wang
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2300/043 , G09G2310/08 , G09G2320/0252
Abstract: Provided are a display panel, a drive method thereof and a display apparatus. The display panel includes M*N display units disposed in an array defined by intersections of (M+1) gate lines and N pairs of data lines, and each pair of data lines include a first data line and a second data line; in an mth display row, display units of odd display columns are connected to an mth gate line, and display units of even display columns are connected to an (m+1)th gate line; in an nth display column, display units of odd display rows are connected to first data lines of an nth pair of data lines, and display units of even display rows are connected to second data lines of the nth pair of data lines.
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公开(公告)号：US11804180B2
公开(公告)日：2023-10-31
申请号：US17761544
申请日：2021-04-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Bo Wang
IPC: G09G3/3233 , G09G3/3266
CPC classification number: G09G3/3233 , G09G3/3266 , G09G2300/0819 , G09G2300/0842 , G09G2310/08 , G09G2320/0233 , G09G2320/0247
Abstract: The present disclosure provides a pixel driving circuit, a method for driving the same, and a display device. A first reset sub-circuit included in the pixel driving circuit is used to control to connect or disconnect a gate electrode of a driving transistor and a common node, and to connect or disconnect the common node and the first initialization voltage input terminals; control to connect or disconnect the common node and a second initialization voltage input terminal under the control of a first control terminal; a difference between a potential of a second initialization signal inputted by the second initialization signal input terminal and a potential of a gate electrode of the driving transistor during a light emission period is smaller than a threshold value.
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公开(公告)号：US11423842B2
公开(公告)日：2022-08-23
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：US20220199735A1
公开(公告)日：2022-06-23
申请号：US17279462
申请日：2020-06-18
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Li Wang , Bo Wang , Jingquan Wang
IPC: H01L27/32
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 and gate lines located at the display area; and a gate driving circuit including cascaded multistage gate driving units, one or more stages gate driving units include first and second gate driving sub-circuits spaced apart by pixel driving circuits of a first group of sub-pixels; a gate driving sub-circuit connection line connected to the first and second gate driving sub-circuits. The pixel driving circuit of at least one of the first group of sub-pixels includes: a first pixel driving sub-circuit including a driving transistor including a first active layer; a second pixel driving sub-circuit; a connector located in a different layer from the first active layer and electrically connected to the first and second pixel driving sub-circuits.
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公开(公告)号：US20220171243A1
公开(公告)日：2022-06-02
申请号：US17354456
申请日：2021-06-22
Inventor： Chen Lin , Jinliang Wang , Yisong Ruan , Bo Wang , Shujuan Li , Zhangxiang Huang , Liangzhen Lin , Xi Chen , Yuchun Feng , Qian Zhang , Bin Yue
IPC: G02F1/1362
Abstract: A display substrate includes: a base substrate, as well as a first metal layer, a first insulating layer, a second metal layer, a second insulating layer, and a common electrode metal layer laminated on one side of the base substrate. The common electrode metal layer includes metal line segments and connecting line segments. The metal line segments include first metal line segments and second metal line segments. The connecting line segments connect the adjacent first and second metal line segments. Each connecting line segment is provided with a maintenance line segment. Orthographic projections of the maintenance line segments on the base substrate do not overlap those of gate lines and data lines on the base substrate. The spacing between the orthographic projections of the maintenance line segments and those of the gate lines and data lines is greater than or equal to a preset distance, which is greater than zero.
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Patent Agency Ranking
16.发明授权公开(公告)号：US11328627B2
公开(公告)日：2022-05-10
申请号：US16393353
申请日：2019-04-24
Inventor： Yang Rao , Peng Qin , Zhongli Luo , Bo Wang , Juncai Ai
IPC: G09F3/20 , H04W4/35 , B65C9/38 , G06K19/077 , G06Q10/06
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：US11107380B2
公开(公告)日：2021-08-31
申请号：US15775463
申请日：2017-11-21
Inventor： Bo Wang
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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18.发明授权公开(公告)号：US10424242B2
公开(公告)日：2019-09-24
申请号：US15772422
申请日：2017-09-21
Inventor： Bo Wang
IPC: G09G3/3225 , G09G3/36 , G11C19/28 , G09G3/3266
Abstract: A shift register unit and a drive method thereof, a gate drive circuit, and a display device are disclosed. The shift register unit includes a shift resister circuit which delays a phase of an input signal from an input terminal to output a first output signal from a first output terminal and an inverting circuit which generates an inverting signal having an inverted voltage with respect to the first output signal and output it from a second output terminal. The shift resister circuit includes a first input circuit configured to control a voltage of a first node, a second input circuit configured to control a voltage of a second node, a latch circuit configured to latch the voltage of the first node and that of the second node as being inverted, and a first output circuit configured to selectively output the second clock signal or a first voltage.
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公开(公告)号：US10328717B2
公开(公告)日：2019-06-25
申请号：US15841944
申请日：2017-12-14
Inventor： Zijian Zheng , Zemin Wu , Junyang Xiao , Zhihui Yang , Xicong Li , Song Li , Bo Wang , Wei Guo
Abstract: The present disclosure relates to a marking method and device, and a repair system for a display panel in the field of display panel detection. The marking device includes: magnifying component and a marking component. The magnifying component is configured to magnify a target position point on a target object, and the marking component is configured to mark the target position point on the target object in accordance with the magnified target position point. The present disclosure may solve the problem that the operation process of marking the defective position point is complicated and simplify the operation process of marking the defective position point. The present disclosure may mark the defects of the display panel.
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20.发明授权公开(公告)号：US10255859B2
公开(公告)日：2019-04-09
申请号：US15529301
申请日：2016-10-31
Inventor： Bo Wang , Minghua Xuan , Zhanjie Ma
IPC: G09G3/3258 , G09G3/3233 , G09G3/3266 , G09G3/3291
Abstract: A pixel compensating circuit and a driving method thereof, an array substrate and a display device. The pixel compensating circuit includes: a reset circuit, connected with a reset signal line, and configured to reset a driving circuit according to a reset signal from the reset signal line; the driving circuit, configured to output a driving current to drive a display apparatus to emit light and display; a compensating circuit, connected with a signal control line, and a data line, and configured to compensate a threshold voltage for the driving circuit and write data into the driving circuit under control of a signal control signal from the signal control line; and a luminance control circuit, connected with a luminance control line, and configured to control the driving circuit to drive the display apparatus to emit light and display according to a luminance control signal from the luminance control line.
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