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公开(公告)号：US11765873B2
公开(公告)日：2023-09-19
申请号：US17425991
申请日：2020-08-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yuanyuan Li , Meizhu Zheng , Jiuzhen Wang , Dalin Xiang , Lina Liu , Zewen Bo
CPC classification number: H05K9/0081 , H05K1/028 , H05K1/0216 , H05K2201/10128
Abstract: The present disclosure provides an electromagnetic shielding film, a flexible circuit board and a display device. The electromagnetic shielding film includes a central portion and an edge portion. The central portion has a plurality of surrounding side edges; and the edge portion is provided on at least one side edge of the central portion, and includes a plurality of protruding units protruding away from the central portion. The plurality of protruding units are arranged in an extending direction of the side edge where the edge portion is located. The electromagnetic shielding film is used to attach on a flexible circuit board body, the central portion is located on a non-bending area, and the edge portion is located on a bending area, so that the flexible circuit board is formed.
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公开(公告)号：US20220057900A1
公开(公告)日：2022-02-24
申请号：US17211057
申请日：2021-03-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dalin Xiang , Yuanyuan Li , Meizhu Zheng , Zewen Bo , Jiuzhen Wang , Lina Liu
IPC: G06F3/044
Abstract: The present application provides a touch panel, a display panel and a display device. The touch panel includes: a base substrate; a first conductive structure on the base substrate; and a dielectric structure on the first conductive structure. The first conductive structure includes: a first electrode structure and a second electrode structure that are spaced apart from each other. A projection of the dielectric structure to the base substrate overlaps at least a part of a projection of the first electrode structure and the second electrode structure to the base substrate.
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公开(公告)号：US20190129570A1
公开(公告)日：2019-05-02
申请号：US15983451
申请日：2018-05-18
Inventor： Lina Liu , Hualing Yang
IPC: G06F3/041
Abstract: The present disclosure discloses an anti-mistouch apparatus and method of a flexible screen. The flexible screen comprises N touch driving lines and M touch sensing lines intersecting with the N touch driving lines, where N and M are integers greater than 1. The apparatus comprises a detection circuit configured to detect a bending state of the flexible screen; and a driving conversion circuit connected to the detection circuit and configured to determine a display surface and a non-display surface of the flexible screen according to the bending state of the flexible screen, control at least one touch driving line included in the display surface to enter an operating state, and control at least one touch driving line included in the non-display surface to enter a non-operating state.
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公开(公告)号：US12211440B2
公开(公告)日：2025-01-28
申请号：US17914655
申请日：2021-11-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hualing Yang , Lina Liu , Wenxiu Zhu
IPC: G09G3/3233
Abstract: A starting signal providing module, a starting signal providing method and a splicing display device are provided. The starting signal providing module comprises a detection circuit, a plurality of signal generating circuits and a plurality of enabling circuits. The signal generating circuit is configured to generate and provide a feedback signal to the detecting circuit when a last-stage scan driving signal output terminal of a scan driving circuit in a corresponding display panel outputs a valid scan driving signal. The detection circuit is configured to provide an enabling control signal to enabling circuits corresponding to at least two signal generating circuits according to the feedback signals from at least two signal generating circuits. The enabling circuit is configured to control a starting signal to be supplied to a scan driving circuit included in a corresponding display panel upon receiving the enabling control signal.
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公开(公告)号：US10748467B2
公开(公告)日：2020-08-18
申请号：US16434842
申请日：2019-06-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hualing Yang , Lina Liu
Abstract: A display panel, a display method thereof and a display device are provided. The display panel includes a display area, a non-display area separated from the display area by the special-shape edge, and a driver chip, wherein the display area includes first pixels proximate to the special-shape edge, and second pixels away from the special-shape edge, and the first pixel is divided into a first part in the display area and a second part in the non-display area; and for the first pixel, the driver chip is configured: to determine a target grayscale value G of each first pixel according to G=255*K(1/2.2); and to replace the current grayscale value corresponding to the first pixel in the current grayscale database of the display panel with the target grayscale value G, to form a target grayscale database.
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Patent Agency Ranking
公开(公告)号：US10395597B2
公开(公告)日：2019-08-27
申请号：US15864461
申请日：2018-01-08
Inventor： Hualing Yang , Lina Liu
IPC: G09G3/3258
Abstract: A method for adjusting a gamma voltage of a curved display panel includes following steps. A first gamma voltage is used as a gamma voltage of a planar display region of a curved display panel in a situation that the planar display region of the curved display panel is horizontally placed and in a white balance state. A curved display region of the curved display panel is divided into a plurality of sub-regions according to a bending degree of the curved display region of the curved display panel. A plurality of inclined angles are determined. A plurality of second gamma voltages are determined in a one-to-one correspondence with the plurality of inclined angles in a situation that the planar display region of the curved display panel is tilted at the plurality of inclined angles and in the white balance state.
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公开(公告)号：US20170075490A1
公开(公告)日：2017-03-16
申请号：US15122169
申请日：2015-09-30
Inventor： Lina Liu , Kwang-Gyun Jang
CPC classification number: G06F3/0418 , G06F3/044
Abstract: The present disclosure discloses a method and a device of optimizing a SNR parameter. The method of optimizing the SNR parameter comprises: obtaining a capacitance signal of a touch screen without being touched and a capacitance signal of the touch screen being touched, respectively; filtering the capacitance signal of the touch screen without being touched to obtain a first filtered capacitance signal; filtering the capacitance signal of the touch screen being touched to obtain a second filtered capacitance signal; calculating an average value of the first filtered capacitance signal in a single period and an average value of the second filtered capacitance signal in the single period; compensating the average value of the first filtered capacitance signal or the average value of the second filtered capacitance signal; and determining the SNR parameter, according to a ratio of the compensated average value of the second filtered capacitance signal to the average value of the first filtered capacitance signal, or according to a ratio of the average value of the second filtered capacitance signal to the compensated average value of the first filtered capacitance signal. The method and the device of optimizing the SNR parameter are used for optimizing the SNR parameter applied to a touch screen, solving a problem of low accuracy of identifying a touch action by the touch screen.
Abstract translation: 本公开公开了一种优化SNR参数的方法和装置。 优化SNR参数的方法包括：分别获得触摸屏的电容信号而不被触摸，并触摸触摸屏的电容信号; 在不触摸的情况下对触摸屏的电容信号进行滤波以获得第一滤波电容信号; 对被触摸的触摸屏的电容信号进行滤波以获得第二滤波电容信号; 在单个周期中计算第一滤波电容信号的平均值和在单个周期中的第二滤波电容信号的平均值; 补偿第一滤波电容信号的平均值或第二滤波电容信号的平均值; 以及根据所述第二滤波电容信号的补偿平均值与所述第一滤波电容信号的平均值的比值，或者根据所述第二滤波电容信号的平均值与所述第二滤波电容信号的平均值的比率，确定所述SNR参数 第一滤波电容信号的平均值。 使用优化SNR参数的方法和装置来优化应用于触摸屏的SNR参数，解决了通过触摸屏识别触摸动作的低精度问题。
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公开(公告)号：US11756457B2
公开(公告)日：2023-09-12
申请号：US16345545
申请日：2018-09-20
Inventor： Lina Liu , Hualing Yang
IPC: H10K59/40 , G09F9/30 , G06F3/044 , G06F3/041 , H10K50/87 , H10K50/86 , H10K59/121 , H10K102/00
CPC classification number: G09F9/301 , G06F3/0412 , G06F3/0443 , H10K50/865 , H10K50/87 , H10K59/121 , H10K59/40 , G06F2203/04102 , G06F2203/04105 , H10K2102/311
Abstract: The present disclosure provides a flexible display screen and a display device. The flexible display screen includes: a substrate; a backing film stacked on a side of the substrate facing away from a light-emitting surface of the flexible display screen; and a pressure sensor stacked on a side of the backing film facing away from the substrate and configured to output a signal related to a force applied on the flexible display screen.
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公开(公告)号：US11243641B2
公开(公告)日：2022-02-08
申请号：US16197501
申请日：2018-11-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Meizhu Zheng , Lina Liu , Yuanyuan Li
Abstract: A display device, a touch panel and a method for manufacturing the touch panel. The touch panel of the present disclosure includes a substrate, a plurality of first touch electrodes, and a plurality of second touch electrodes. The first touch electrodes are arranged on the substrate. The second touch electrodes are arranged in the same layer as the first touch electrodes. Each of the second touch electrodes is formed by connecting in series a plurality of sub-electrodes insulated from the first touch electrodes, and two adjacent sub-electrodes in the same second touch electrode are respectively positioned on two sides of one of the first touch electrodes.
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10.发明授权公开(公告)号：US10831324B2
公开(公告)日：2020-11-10
申请号：US16053405
申请日：2018-08-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Lina Liu , Meizhu Zheng , Yuanyuan Li , Hualing Yang
IPC: G06F3/044
Abstract: The present disclosure provides a touch panel, including: a flexible substrate including a first region, a second region and a bendable region between the first region and the second region; a first touch sensing layer provided in the first region of the flexible substrate, configured to sense a touch position and connected to a flexible circuit board; a second touch sensing layer provided in the second region of the flexible substrate and configured to sense a touch pressure; and a signal line provided in the bendable region of the flexible substrate and having a first end extending to the first region to be connected to the flexible circuit board and a second end extending to the second region to be connected to the second touch sensing layer.
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