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公开(公告)号：US10997898B2
公开(公告)日：2021-05-04
申请号：US17007120
申请日：2020-08-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lirong Wang , Fei Yang , Yi Chen , Yu Wang , Mingi Chu
IPC: G09G3/20 , G09G3/3291
Abstract: The present disclosure provides a compensation method for a display panel, a compensation system for a display panel, and a display device. The display panel includes a plurality of sub-pixels, and the compensation method includes: respectively determining a current aging degree coefficient of each sub-pixel according to historical display data of the sub-pixel; and, for each sub-pixel, performing aging compensation on the sub-pixel according to the current aging degree coefficient of the sub-pixel when a current frame is displayed. The present disclosure further provides a compensation system for a display panel, and a display device.
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122.发明授权公开(公告)号：US10950482B2
公开(公告)日：2021-03-16
申请号：US16327425
申请日：2018-06-08
Inventor： Qinghua Zou , Shupeng Guo , Tingyuan Duan , Gu Yao , Ruhui Zhu , Yu Wang
IPC: H01L21/687 , H01L21/67
Abstract: A device for supporting a substrate, an apparatus for manufacturing a display panel, and a method for supporting a substrate are provided. The device for supporting a substrate comprises: a bearing mechanism being provided with a through hole for bearing a substrate; one or more sticky pads on the bearing mechanism surrounding the through hole, which are used for fixing the substrate on the bearing mechanism; and an elevating mechanism, which controls lifting and lowering of the substrate by passing through the through hole, wherein a top of the lifting mechanism is provided with a light-emitting member that emits light when in contact with the substrate, to illuminate the one or more sticky pads such that stickiness of the sticky pads is reduced from a first stickiness to a second stickiness.
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公开(公告)号：US20200302887A1
公开(公告)日：2020-09-24
申请号：US16537106
申请日：2019-08-09
Inventor： Gang Chen , Zhihui Wang , He Sun , Xiuzhu Tang , Guang Wang , Yanli Zhao , Xiaolong Liu , Shuo Yang , Di Wang , Yu Wang
IPC: G09G3/36 , G02F1/1333
Abstract: A display apparatus and a control method for controlling a display apparatus are provided. The display apparatus includes: a display panel including multiple rows of scan lines and multiple columns of data lines, the scan lines and the data lines defining multiple sub-pixel regions, a first view pixel and a second view pixel being provided in each sub-pixel region; and a view control device connected with display panel, the view control device configured to: identify the number of users on a user side of display panel; and control a driving voltage of the scan lines according to the number of the users, so that the display panel controls first view pixel and second view pixel according to driving voltage so as to display a first view mode or a second view mode. A visual angle in the first view mode is greater than a visual angle in the second view mode.
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公开(公告)号：US20200035763A1
公开(公告)日：2020-01-30
申请号：US16454676
申请日：2019-06-27
Inventor： Gu YAO , Qinghua ZOU , Ruhui ZHU , Yu Wang , Tingyuan DUAN
IPC: H01L27/32 , G09G3/3208
Abstract: A display apparatus is provided. The display apparatus includes a display screen with two opposite surfaces, at least one of the two opposite surfaces is a display surface, a sounding structure is arranged at at least one side of the two opposite surfaces of the display screen, the sounding structure is configured to be deformed to sound under driving of sound signals, and the sound signals are electric signals applied to the sounding structure according to sounds to be made.
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125.发明授权公开(公告)号：US10446077B2
公开(公告)日：2019-10-15
申请号：US15535585
申请日：2016-12-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: G09G3/3233
Abstract: A driving method for preventing image sticking of a display panel upon shutdown, and a display device. The method includes: receiving a shutdown signal; and adjusting driving signals of a sub-pixel circuit of the display panel, so as to reduce the voltage difference between a gate electrode and a source electrode of a driving transistor of the sub-pixel circuit, and hence allowing the display panel to enter an image sticking prevention mode. The method can prevent image sticking of the display panel at the time of shutdown and hence improve the display quality.
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Patent Agency Ranking
公开(公告)号：US20190206326A1
公开(公告)日：2019-07-04
申请号：US16043977
申请日：2018-07-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lirong Wang , Quanhu Li , Fei Yang , Danna Song , Mingi Chu , Song Meng , Yu Wang , Yi Chen , Zhongyuan Wu
IPC: G09G3/3258 , G09G3/20 , H05B33/08
CPC classification number: G09G3/3258 , G09G3/2003 , G09G2310/0264 , H05B33/0857
Abstract: The disclosure discloses a method for driving a pixel circuit, a drive device and a display device. The method includes: receiving grayscale data to be displayed; determining a voltage compensation value, which corresponds to theoretical drive voltage corresponding to the grayscale data to be displayed, according to a pre-acquired correspondence relationship between theoretical drive voltage corresponding to respective grayscale data, and corresponding voltage compensation values; wherein the voltage compensation value is a voltage drop caused by a detection transistor and a drive transistor in the pixel circuit; and compensating the theoretical drive voltage corresponding to the grayscale data to be displayed with the determined voltage compensation value, and then driving a light-emitting diode in the pixel circuit to emit light.
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公开(公告)号：US20180240410A1
公开(公告)日：2018-08-23
申请号：US15549553
申请日：2017-02-17
Applicant: BOE Technology Group Co., Ltd.
IPC: G09G3/3291 , G09G3/3283 , G09G3/3266
Abstract: A driving method of an organic light-emitting display device, the display device includes a plurality of sub-pixels, each of the sub-pixels includes a driving transistor, an organic light-emitting diode and a sense line connected to the driving transistor and the organic light-emitting diode, the method includes: detecting threshold voltages of driving transistors of the sub-pixels or turn-on voltages of organic light-emitting diodes of the sub-pixels by sense lines; calculating a first driving voltage of a data driving circuit or a second driving voltage applied to anodes of the organic light-emitting diodes according to all detected threshold voltages or detected turn-on voltages respectively; and based on the first driving voltage or the second driving voltage, applying data driving voltages and supply voltages to the sub-pixels.
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128.发明申请公开(公告)号：US20170193879A1
公开(公告)日：2017-07-06
申请号：US15214204
申请日：2016-07-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yu Wang
CPC classification number: G09G3/2018 , G09G3/38 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0262 , G09G2310/027 , G09G2310/061 , G09G2320/0233 , G09G2320/0626
Abstract: An embodiment of the present disclosure provides a pixel compensation circuit and method for driving the same, a display panel and a display device. The pixel compensation circuit comprises a resetting module, a data writing module, a compensation module, a driving module and a light emitting device. The embodiment of the present disclosure may prevent from issues of instability of voltage caused by different threshold voltages by cooperative operations of the respective modules of the pixel compensation circuit. When the light emitting device is controlled by the driving module to display, the difference value between a threshold voltage as well as a voltage difference between the control terminal of the compensation module and the output terminal of the compensation module is irrespective of the threshold voltage, so that the voltage supplied to the light emitting device will not be affected by the threshold voltage. Thus, the embodiment of the present disclosure provides a pixel compensation circuit to solve the technical problem of instability of voltages supplied to the light emitting device caused by different threshold voltage Vth, thereby improving uneven displaying of the display panel and being capable of displaying frames with low grey scale by the display panel.
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公开(公告)号：US12242687B2
公开(公告)日：2025-03-04
申请号：US18273277
申请日：2021-11-19
Inventor： Zewen Li , Wenxiao Niu , Hengzhen Liang , Xu Lu , Lianbin Liu , Zhiqiang Wang , Rendong Li , Yu Wang
Abstract: A touch display device, including: a touch display substrate, provided with a display region and a non-display region provided adjacent to the display region, wherein the non-display region is provided with a display bonding region and a touch bonding region; and a flexible circuit board, provided with a touch signal line, a touch chip and a display signal line, wherein the touch signal line is connected with the touch chip, the flexible circuit board is bound with the touch display substrate in the display bonding region and the touch bonding region, the touch chip is connected to the touch bonding region through the touch signal line, and the display signal line is connected to the display bonding region; where the touch chip, the touch signal line and the touch bonding region are provided on a same side of the display signal line.
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公开(公告)号：US20250068287A1
公开(公告)日：2025-02-27
申请号：US18941448
申请日：2024-11-08
Inventor： Ping Wen , Wei Wang , Shun Zhang , Yuanqi Zhang , Chang Luo , Yang Zeng , Yu Wang , Yi Zhang
Abstract: A display panel includes a plurality of light emitting elements; an encapsulating layer on the plurality of light emitting elements; and a touch control structure on the encapsulating layer. The touch control structure includes a plurality of first mesh electrodes along a row direction and a plurality of second mesh electrodes along a column direction. The touch control structure is limited in a touch control region and absent in a window region surrounded by the touch control region. The plurality of second mesh electrodes includes a first mesh block and a second mesh block respectively on a first side and a second side of the window region; and a first conductive bridge connecting the first mesh block and the second mesh block. The first conductive bridge comprises a first segment and a second segment. The second segment is in a layer different from the first segment.
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