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公开(公告)号：US20220293710A1
公开(公告)日：2022-09-15
申请号：US17555218
申请日：2021-12-17
发明人： Huatao LI , Zhiguang ZHANG , Lei FENG , Jianhang FU
IPC分类号： H01L27/32
摘要： A display substrate includes a plurality of pixel units arranged to form a plurality of pixel columns extending along a first direction, the display substrate further includes a plurality of groups of power source signal lines and pixel driving circuits located on the substrate, each group of power source signal lines includes a plurality of secondary signal lines, the pixel driving circuits of the pixel units in each pixel column are connected to different secondary signal lines in a same group of power source signal lines, each secondary signal line extends along the first direction from a starting end of the power source signal lines, extension lengths of the secondary signal lines in the same group of power source signal lines are different, and resistance values per unit length of different secondary signal lines along the first direction decrease as total lengths of the secondary signal lines increase.
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公开(公告)号：US20240243083A1
公开(公告)日：2024-07-18
申请号：US18016002
申请日：2022-01-20
发明人： Huatao LI , Zhiguang ZHANG , Zhongjie WANG , Pan ZHAO , Zhilliang JIANG , Ziyang YU , Shilong WANG
IPC分类号： H01L23/00 , G02F1/1345 , H10K59/90
CPC分类号： H01L24/06 , H01L24/05 , G02F1/13452 , H01L2224/05553 , H01L2224/06152 , H01L2924/1426 , H10K59/90
摘要： Provided are a driver IC and a display device. The driver IC includes at least one GOA pad area. Each of the at least one GOA pad area includes a plurality of first pads arranged in a plurality of rows and a plurality of columns. Each of the plurality of columns of the first pads is divided into at least two first pad groups arranged independently of each other. Each of the at least two of the first pad groups includes at least two of the first pads adjacent to each other, and the first pads in each of the first pad groups are electrically connected with each other. The driver IC further includes a plurality of leads electrically connected with the first pad groups, and each of the first pad groups is electrically connected with a different lead.
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公开(公告)号：US20200035174A1
公开(公告)日：2020-01-30
申请号：US16336989
申请日：2018-08-31
发明人： Lixia SHEN , Zhiguang ZHANG , Chang ZHANG , Yong YU , Tae Hyun KIM
IPC分类号： G09G3/36 , G09G3/3225
摘要： Embodiments of the present disclosure provide a display panel and a drive method thereof, and a display device. The display panel includes a plurality of sets of pixel columns and a plurality of drive circuits. Each of the sets of pixel columns includes a plurality of subpixel columns. The plurality of drive circuits correspond to the plurality of sets of pixel columns respectively. Each of the drive circuits is further configured to send, to an adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the drive circuit, and/or receive, from the adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the adjacent drive circuit and generate a data signal for driving the subpixel column in the set of pixel columns of the drive circuit, based on the received source data signal.
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公开(公告)号：US20210335223A1
公开(公告)日：2021-10-28
申请号：US16480448
申请日：2018-12-20
发明人： Lixia SHEN , Chang ZHANG , Zhiguang ZHANG
IPC分类号： G09G3/3208 , G09G3/20
摘要： An optical compensation method for a display panel and an optical compensation device are provided. The optical compensation method for the display panel includes selecting a pixel block to be compensated in an edge region; and acquiring a pixel compensation parameter of at least one pixel block in a main body region as a pixel compensation parameter of the pixel block to be compensated.
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公开(公告)号：US20200160814A1
公开(公告)日：2020-05-21
申请号：US16536505
申请日：2019-08-09
发明人： Guangguang HAN , Zhiguang ZHANG , Dehua ZHANG
摘要： The disclosure discloses a display panel, a display device, and a method for adjusting a display image, the method includes: receiving a display mode switching instruction; obtaining a first brightness value of a first pixel in a display area in the first mode, and determining a second brightness value of the first pixel in a second mode to be switched to, wherein the display area includes a fingerprint recognition area, and an image display area surrounding the fingerprint recognition area, and the first pixel is in the image display area; determining a brightness compensation coefficient of the image display area in the second mode according to the first brightness value and the second brightness value; and switching from the first mode to the second mode, and displaying an image in the second mode after compensating for brightness in the image display area using the brightness compensation coefficient.
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公开(公告)号：US20230072807A1
公开(公告)日：2023-03-09
申请号：US17796955
申请日：2021-10-22
发明人： Lei FENG , Zhiguang ZHANG , Huatao LI , Jianhang FU
IPC分类号： H01L27/32
摘要： A display panel includes: a transparent substrate with a display area including a light-emitting area and a non-light-emitting area; a light-emitting device on the transparent substrate, where the light-emitting device includes a first transparent electrode layer, a light-emitting functional layer and a second transparent electrode layer; the light-emitting functional layer includes light-emitting parts arranged in an array, and the light-emitting parts are in the corresponding light-emitting area; a driving structure between the transparent substrate and the light-emitting device, where the driving structure includes pixel circuits arranged in an array and a power supply line electrically connected to the pixel circuits to provide a power voltage, the pixel circuits are configured to drive the light-emitting parts to emit light; and orthographic projections of the pixel circuits and the power supply line on the transparent substrate are all located within an orthographic projection range of the non-light-emitting area on the transparent substrate.
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公开(公告)号：US20210358419A1
公开(公告)日：2021-11-18
申请号：US16340598
申请日：2018-08-30
发明人： Lixia SHEN , Yong YU , Zhiguang ZHANG , Taehyun KIM , Chang ZHANG
IPC分类号： G09G3/3275 , G09G3/3225
摘要： A display driving method, a display driving device and a display module are provided. The display driving method includes: during each delay cycle, controlling a first light-emission control signal to be delayed by a predetermined duration from a second light-emission control signal, the predetermined duration corresponding to the delay cycle. The first light-emission control signal is a light-emission control signal outputted by each light-emission control line during an (n+1)-th frame of display time period in the delay cycle, and the second light-emission control signal is a light-emission control signal outputted by the corresponding light-emission control line during an n-th frame of display time period in the delay cycle. Each delay cycle includes N frames of display time periods, N is a positive integer greater than a first predetermined number, and n is a positive integer less than N.
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公开(公告)号：US20190378457A1
公开(公告)日：2019-12-12
申请号：US15781663
申请日：2017-11-23
发明人： Lixia SHEN , Zhiguang ZHANG , Chang ZHANG , Yong YU , Tae Hyun KIM
IPC分类号： G09G3/3258 , G09G3/3233
摘要： Embodiments of the present disclosure provide an OLED display panel and a driving method thereof. The OLED display panel includes a plurality of power lines, each power line connecting to a plurality of pixels, and one end of each power line connecting to a power source. The method includes acquiring a current value of the power line and comparing it to a preset threshold, when a current value of the power line is less than or equal to the threshold, providing an original data voltage to the pixels connected to the power line, when a current value of a power line is greater than the threshold, providing a compensating data voltage to the pixel connected to the power line. The compensating data voltage is equal to the difference between the original data voltage and the compensation voltage.
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公开(公告)号：US20200027400A1
公开(公告)日：2020-01-23
申请号：US16334969
申请日：2018-04-11
发明人： Zhiguang ZHANG , Chang ZHANG , Kwanggyun JANG , Lixia SHEN
IPC分类号： G09G3/3258 , G09G3/00
摘要： A method and a device for compensating for image crosstalk and a display apparatus are provided. The method includes: obtaining (S101) a data-voltage variation value between a data voltage applied to a pixel unit at a current scanning time instant and a data voltage applied to the pixel unit at a previous scanning time instant; determining a power-voltage variation value based on the data-voltage variation value (S102); setting a sum of the power-voltage variation value and an original data voltage to be applied to the pixel unit at a next time instant as a compensated data voltage of the pixel unit (S103); and setting the compensated data voltage of the pixel unit as an actual data voltage to be applied to the pixel unit at the next time instant (S104).
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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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