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公开(公告)号：US20240249675A1
公开(公告)日：2024-07-25
申请号：US17914655
申请日：2021-11-12
发明人： Hualing YANG , Lina LIU , Wenxiu ZHU
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/026 , G09G2300/0814 , G09G2310/0243 , G09G2360/04
摘要： 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：US20190079629A1
公开(公告)日：2019-03-14
申请号：US16006303
申请日：2018-06-12
发明人： Lina LIU , Hualing YANG
IPC分类号： G06F3/041
摘要： A force touch module, a manufacturing method thereof, a touch screen, and a display device are disclosed. The force touch module includes a first substrate, a second substrate, an insulation layer, a force sensor, a via hole, and a connection line. The second substrate is located on the first substrate. The insulation layer is located between the first substrate and the second substrate. The force sensor includes a first sensing electrode; the first sensing electrode is located between the insulation layer and the first substrate. The via hole passes through the second substrate and the insulation layer. The connection line is located on a side of the second substrate away from the first substrate, and the connection line is electrically connected with the first sensing electrode through the via hole.
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公开(公告)号：US20180336824A1
公开(公告)日：2018-11-22
申请号：US15864461
申请日：2018-01-08
发明人： Hualing YANG , Lina LIU
IPC分类号： G09G3/3258
CPC分类号： G09G3/3258 , G09G2310/0232 , G09G2320/0276 , G09G2320/0673 , G09G2330/12 , G09G2360/145
摘要： 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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4.发明公开公开(公告)号：US20230368739A1
公开(公告)日：2023-11-16
申请号：US18245107
申请日：2022-03-04
发明人： Xinshe YIN , Xinbin HAN , Hualing YANG
IPC分类号： G09G3/3258 , G09G3/20
CPC分类号： G09G3/3258 , G09G3/2096 , G09G2300/0842 , G09G2330/028 , G09G2300/0819 , G09G2300/0452 , G09G2320/045 , G09G2320/0626
摘要： A display panel includes sub-pixels and set voltage generation circuit(s); each sub-pixel includes a pixel driving circuit and a first light-emitting device, the pixel driving circuit includes at least a driving transistor and a sensing transistor, a first electrode of the sensing transistor is electrically connected to a sensing signal terminal; an output terminal of a set voltage generation circuit is electrically connected to a sensing signal terminal of at least one sub-pixel; the set voltage generation circuit is configured to generate a set voltage signal and transmit it to a sensing transistor of the at least one sub-pixel and a second electrode of a driving transistor of the at least one sub-pixel in a sensing period; and a voltage of the set voltage signal is substantially equal to a voltage of the second electrode of the driving transistor of the at least one sub-pixel in the driving period.
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公开(公告)号：US20230015554A1
公开(公告)日：2023-01-19
申请号：US17786563
申请日：2021-09-02
发明人： Wenxiu ZHU , Hualing YANG , Bo WANG
摘要： A display substrate and a preparation method therefor, and a display apparatus. The display substrate includes multiple pixel units each including multiple sub-pixels, the multiple sub-pixels includes first color sub-pixels. Each sub-pixel includes a color filter structure layer, the color filter structure layer includes a black matrix defining a pixel opening, and a color filter unit covering the pixel opening. The display substrate includes a first display region and a second display region on the periphery of the first display region. A black matrix in the first display region has small holes, which are filled with light filtering units, and the material of the light filtering units is same as the material of the color filter units of the first color sub-pixels. The area of the first color sub-pixels in the first display region is less than the area of the first color sub-pixels in the second display region.
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公开(公告)号：US20220068198A1
公开(公告)日：2022-03-03
申请号：US17352272
申请日：2021-06-19
发明人： Hualing YANG , Xinshe YIN
IPC分类号： G09G3/325
摘要： An array substrate comprising a plurality of pixel units and an external compensation circuit; wherein, for each pixel unit of the plurality of pixel units, the pixel unit comprises a detection switch device, and the pixel unit is connected to a corresponding input end of a multiplexer of the external compensation circuit through the detection switch device; the external compensation circuit is configured: to acquire first data in a case that the detection switch device is opened, the first data comprising noise data caused by a level jump of the multiplexer of the external compensation circuit; to acquire second data in a case that the detection switch device is closed, the second data comprising the noise data and electrical data of the pixel unit; and to obtain the electrical data according to the first data and the second data.
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公开(公告)号：US20240290233A1
公开(公告)日：2024-08-29
申请号：US18573754
申请日：2021-06-25
发明人： Xinshe YIN , Hualing YANG , Xinbin HAN , Guangliang SHANG , Jianchao ZHU
IPC分类号： G09G3/00 , G01R19/25 , G09G3/3233
CPC分类号： G09G3/006 , G01R19/2509 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2320/0233
摘要： A control method and a control device for a current detection apparatus are provided, which are used to improve the accuracy of current detected by the current detection apparatus. A sensing control switch is controlled to be in an on state at a first time point before an integration operation is performed on the detection line; a current detection circuit is controlled to start the integration operation on a current of a detection line at the integration start time point to obtain an integrated voltage signal corresponding to the detection line; multiple samplings are performed on the integrated voltage signal, and an output voltage difference between different sampling points is determined; and the current of the detection line is determined based on the output voltage difference.
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公开(公告)号：US20240257756A1
公开(公告)日：2024-08-01
申请号：US18566530
申请日：2021-06-25
发明人： Xinshe YIN , Guangliang SHANG , Hualing YANG , Xinbin HAN , Jianchao ZHU
IPC分类号： G09G3/3241
CPC分类号： G09G3/3241 , G09G2310/027 , G09G2310/0297 , G09G2320/0233 , G09G2320/043
摘要： A current detection device for detecting a current on the sense line, and compensating for a grayscale of a pixel in accordance with a difference in the detected currents, so as to provide the pixels with uniform brightness. An integration operation is performed on a sense line through an integration sub-circuitry to obtain an output voltage, and the current on the sense line is determined in accordance with the output voltage.
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公开(公告)号：US20190051235A1
公开(公告)日：2019-02-14
申请号：US15547236
申请日：2017-02-28
发明人： Chang ZHANG , Kwanggyun JANG , Jing LIU , Zhiguang ZHANG , Hualing YANG
IPC分类号： G09G3/3225 , H04N5/202 , H04N1/60
摘要： The present disclosure provides a gamma tuning method and a gamma tuning device. The gamma tuning method includes steps of: comparing grayscale binding points of a to-be-debugged module with a standard gamma curve; determining a to-be-tuned grayscale binding point from the grayscale binding points of the to-be-debugged module in accordance with a comparison result between the grayscale binding points of the to-be-debugged module and the standard gamma curve; and tuning a grayscale brightness value of the to-be-tuned grayscale binding point in accordance with a target brightness value of the grayscale binding point on the standard gamma curve.
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公开(公告)号：US20180090064A1
公开(公告)日：2018-03-29
申请号：US15521564
申请日：2016-08-30
发明人： Ying LIU , Chenggeng ZHANG , Zhaohui MENG , Hongwei TIAN , Juanjuan BAI , Meng SHAO , Wen SUN , Can ZHENG , Hualing YANG
IPC分类号： G09G3/3233
摘要： A method, a circuit and a display device for driving an organic light emitting diode, wherein a driving transistor (DTFT) for driving a display element is turned off by jumping one or more of a reference voltage input (Vref), a reset voltage input (Vinit) and a data signal input (Vdata) before beginning to output an EL high level (ELVDD) of a pixel compensation circuit and after beginning to output an EL low level (ELVSS), to overcome the splash screen phenomenon during power-up and direct current-direct current driving failure.
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