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公开(公告)号：US10249238B2
公开(公告)日：2019-04-02
申请号：US15513279
申请日：2016-08-23
Inventor： Youngyik Ko , Bo Wang , Yipeng Chen , Yi Zhang
IPC: G09G3/325 , G09G3/3233
Abstract: The present application discloses a pixel driving circuit configured to operate in a display cycle including sequentially an initialization period, a compensation period, and a light-emitting period, the pixel driving circuit including a driving transistor having a gate, a source, and a drain; a first storage capacitor having a first terminal connected to the gate of the driving transistor and a second terminal connected to a first power signal input port; an emission control sub-circuit disposed between the source of the driving transistor and the first power signal input port; a data write-in sub-circuit disposed between a data input port and the drain of the driving transistor which is also connected to the emission control sub-circuit; a compensation sub-circuit disposed between the source of the driving transistor and the first terminal of the first storage capacitor; and a light emitting device having a first terminal connected to the emission control sub-circuit and a second terminal connected to a second power signal input port; the data write-in sub-circuit is configured to control a data voltage signal to be passed into the drain of the driving transistor during the compensation period; the compensation sub-circuit is configured to control a connection between the source and the gate of the driving transistor during the compensation period to set the driving transistor to a conduction state for inducing a source-to-drain current until a gate voltage of the driving transistor reaches a value substantially equal to the data voltage signal plus a threshold voltage of the driving transistor.
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公开(公告)号：US10204559B2
公开(公告)日：2019-02-12
申请号：US15377132
申请日：2016-12-13
IPC: G11C19/00 , G09G3/3258 , G09G3/3266 , G11C19/28 , H01L27/32 , G09G3/36
Abstract: There is disclosed a shift register unit, a gate driving circuit and a display device. The shift register unit includes a shift register module configured to delay a phase of a signal from the input terminal, and output the delayed signal at the first output terminal; a first input module configured to set the first node to be at a second voltage level; a second input module configured to set the first node to be at the first voltage level, and apply the signal from the input terminal to the first node; and an output module configured to set the second output terminal to be at the second voltage level when the first output terminal is at the first voltage level, and set the second output terminal to be at the first voltage level when the first node is at the first voltage level.
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公开(公告)号：US20180297375A1
公开(公告)日：2018-10-18
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
CPC classification number: B41J2/435 , B41J2/13 , B41J2/14 , B41J2002/14193
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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公开(公告)号：US12262607B2
公开(公告)日：2025-03-25
申请号：US17631372
申请日：2021-02-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Qian Yang , Jianchao Zhu , Bo Wang , Jingquan Wang
IPC: H10K59/131 , G09F9/30 , H10K77/10
Abstract: A stretchable display panel has a plurality of island regions and a plurality of bridge regions. The island regions are arranged in an array. Every two adjacent island regions are connected with a bridge region in the bridge regions therebetween. The display panel includes a plurality of sub-pixels and a plurality of signal line groups. At least one sub-pixel is provided in each island region. The signal line groups are located in a same conductive layer. Each signal line group extends along bridge regions to island regions that are connected to the bridge regions. The signal line group includes a plurality of signal lines arranged in parallel and at intervals. Each signal line is electrically connected to sub-pixels in the island regions.
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公开(公告)号：US12259756B2
公开(公告)日：2025-03-25
申请号：US17921604
申请日：2021-07-05
Applicant: BOE Technology Group Co., Ltd.
Inventor： Pengfei Zhou , Shangchieh Chu , Baofeng Sun , Yanyan Yang , Bo Wang , Yanli Wang , Wei Liu
IPC: G06F1/16
Abstract: A display assembly includes: a bearing assembly (1) configured to bear a flexible display module (3) and drive the flexible display module (3) to bend or fold; at least two supporting layers (2) stacked in sequence on the bearing assembly (1), each supporting layer (2) being bendable and having resilience, and each supporting layer (2) being provided with a hollowed-out pattern. The hollowed-out patterns of the supporting layers (2) are different in at least one of the following properties: the area of a hollowed-out part, the shape of the hollowed-out part, and the position of the hollowed-out part. The display assembly further includes the flexible display module (3) located on the side of the at least two supporting layers (2) facing away from the bearing assembly (1).
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Patent Agency Ranking
公开(公告)号：US12254814B2
公开(公告)日：2025-03-18
申请号：US18023678
申请日：2022-04-06
Inventor： Bo Wang , Kangpeng Dang , Hong Chen , Ming Gao , Xiong Guo , Kuan Li , Zhongli Luo , Xingyu Pu , Yuansheng Tang , Hebing Xu , Cheng Zuo , Yaokun Zheng
IPC: G09G3/36 , G09G3/20 , G09G3/3266
Abstract: Embodiments of the present disclosure provide a drive apparatus and a display apparatus. The drive apparatus includes: a first controller configured to generate and output a data control synchronization signal after being energized, the data control synchronization signal is configured to control whether to load a data voltage onto a data line in a touch display panel to be connected; and a second controller connected with the first controller, and configured to directly output a first set level signal and a second set level signal before being energized; where the first set level signal is configured to control the selection of a display drive mode from a plurality of drive modes supported by the touch display panel to be connected; and the second set level signal is configured to control the output of a drive signal corresponding to the display drive mode to the touch display panel to be connected.
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公开(公告)号：US12193292B2
公开(公告)日：2025-01-07
申请号：US17924137
申请日：2021-01-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Bo Wang , Fuqiang Li , Yipeng Chen
IPC: H10K59/131 , G09G3/3225 , H10K59/121 , H10K71/00 , H10K59/12 , H10K59/35
Abstract: A base substrate of a display substrate includes a display region; a plurality of pixel units in the display region, each pixel unit includes a first pixel circuit and a second pixel circuit adjacent to each other in a first direction; an initialization signal line extending in the first direction and supplying an initialization signal to the first pixel circuit and the second pixel circuit; a first control signal line extending in the first direction and supplying a gate signal to the first pixel circuit and the second pixel circuit; and a light-emitting control signal line extending in the first direction and supplying a light-emitting control signal to the first pixel circuit and the second pixel circuit; the initialization signal line is on a side of the light-emitting control signal line away from the first control signal line, extends along the first direction and includes segments arranged at intervals.
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公开(公告)号：US12170040B2
公开(公告)日：2024-12-17
申请号：US17915427
申请日：2021-11-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Bo Wang , Fuqiang Li
IPC: G09G3/00 , H01L27/144
Abstract: Provided is a display device, which includes a flexible display panel including a display region and a peripheral region surrounding the display region; a driver integrated circuit (IC) disposed in the peripheral region; a plurality of detection circuits disposed in the peripheral region and close to the slidable region; at least one input signal line; at least one control signal line and at least one detection signal line.
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公开(公告)号：US11997892B2
公开(公告)日：2024-05-28
申请号：US17279689
申请日：2020-06-18
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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公开(公告)号：US11996055B2
公开(公告)日：2024-05-28
申请号：US17794400
申请日：2021-06-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tian Dong , Bo Wang , Jingquan Wang
IPC: G09G3/3275
CPC classification number: G09G3/3275 , G09G2310/0297 , G09G2310/08
Abstract: A display panel includes a sub-pixel array, gate lines, first data lines, second data lines, a pixel control circuit and a time-division multiplexing circuit. The sub-pixel array includes a plurality of sub-pixels arranged in rows and columns. Sub-pixels in a same row are coupled to the pixel control circuit through at least one gate line. Sub-pixels located in odd-numbered rows in sub-pixels in a same column are coupled to a first data line, and sub-pixels located in even-numbered rows in the sub-pixels in the same column are coupled to a second data line. The time-division multiplexing circuit is coupled to the plurality of first data lines, the plurality of second data lines, and a data signal terminal. The time-division multiplexing circuit is configured to electrically connect the data signal terminal to the first data lines and the second data lines in a time-division manner.
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