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11.发明授权公开(公告)号：US10297202B2
公开(公告)日：2019-05-21
申请号：US15587514
申请日：2017-05-05
Inventor： Dongxu Xiang , Yue Li , Tong Wu , Dong Qian , Gang Liu , Zeyuan Chen
IPC: G09G3/30 , G09G3/32 , G09G3/3258 , G09G3/3266 , G09G3/3291
Abstract: An organic light-emitting display panel, a driving method thereof, and an organic light-emitting display device are provided. The organic light-emitting display panel includes a pixel driving circuit comprising an organic light-emitting element, a driving module, an initialization module, a data write-in module, and a light-emitting control module. The driving module includes a control end, a first end and a second end. The light-emitting control module is configured to transmit a signal to the second end of the driving module. The driving module is configured to drive the organic light-emitting element to emit light based on the signal transmitted by the light-emitting control module. The initialization module is configured to initialize a voltage level of the control end and a voltage level of the first end of the driving module. The data write-in module is configured to write a data signal into the control end of the driving module.
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12.发明授权公开(公告)号：US10235937B2
公开(公告)日：2019-03-19
申请号：US15715094
申请日：2017-09-25
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
IPC: G09G3/3233 , G09G3/3258
Abstract: The present application discloses an organic light-emitting display panel and a driving method thereof, as well as an organic light-emitting display device. A specific implementation of the organic light-emitting display panel comprises: an array arrangement comprising a plurality of pixel units, a plurality of data lines and a plurality of reference signal lines, wherein each pixel unit comprises a first subpixel, a second subpixel and a third subpixel, and a color of the first subpixel, a color the second subpixel and a color of the third subpixel differ from one another; a pixel driving circuit is formed in each subpixel, and comprises a driving transistor and an organic light-emitting diode; and the first subpixel, the second subpixel and the third subpixel of an identical pixel unit are electrically connected with a given reference signal line.
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公开(公告)号：US10211416B2
公开(公告)日：2019-02-19
申请号：US15895491
申请日：2018-02-13
Inventor： Jian Jin , Congyi Su , Gang Liu , Zhenying Li
Abstract: A flexible display panel is provided. The flexible display panel comprises: a flexible substrate; an organic light-emitting layer disposed on a side of the flexible substrate and having a first side facing the flexible substrate and an opposing side; and a thin-film-encapsulation layer disposed on the opposing side of the organic light-emitting layer. The thin-film-encapsulation layer includes at least one organic encapsulation layer and at least one inorganic encapsulation layer. The flexible display panel includes at least one bending area. The at least one inorganic encapsulation layer has a first side facing the flexible substrate and an opposing side. In the at least one bending area, at least one groove is formed on the opposing side of the at least one inorganic encapsulation layer. A bottom width W of the at least one groove is configured to be W ≥ n 180 ° π R .
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14.发明授权公开(公告)号：US10083659B2
公开(公告)日：2018-09-25
申请号：US15629590
申请日：2017-06-21
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
Inventor： Dongxu Xiang , Yue Li , Renyuan Zhu , Tong Wu , Dong Qian , Zeyuan Chen , Gang Liu
IPC: G09G3/3258 , G09G3/3233 , G09G3/32
CPC classification number: G09G3/3258 , G09G3/32 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0251 , G09G2310/08 , G09G2320/0626
Abstract: The present application discloses an organic light emitting display panel, a driving method thereof and an organic light emitting display apparatus. The organic light emitting display panel comprises: a pixel array, comprising pixel regions in M rows and N columns; a plurality of pixel driving circuits each comprising a light emitting diode and a driving transistor for driving the light emitting diode, the light emitting diode being arranged in one of the pixel regions; and a plurality of pixel compensation circuits, each configured to provide a compensated light emitting control signal for a gate of the driving transistor to correct brightness of the light emitting diode in one of the plurality of pixel driving circuits. According to the present disclosure, the final light emitting current may be unrelated to the threshold voltage of the driving transistor, the carrier mobility and aging of the light emitting diode.
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15.发明授权公开(公告)号：US10068520B2
公开(公告)日：2018-09-04
申请号：US15638024
申请日：2017-06-29
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
Inventor： Dongxu Xiang , Yue Li , Dong Qian , Gang Liu
IPC: G09G3/3208 , G09G5/18 , G09G3/3233
CPC classification number: G09G3/3208 , G09G3/3233 , G09G5/18 , G09G2230/00 , G09G2310/0251 , G09G2310/0297 , G09G2310/061 , G09G2320/045 , G09G2330/021 , G09G2330/12
Abstract: The present disclosure discloses an organic light-emitting display panel and a driving method thereof, and an organic light-emitting display device. The organic light-emitting display panel comprises a pixel array, a plurality of pixel driving circuits, a plurality of reference voltage signal lines and a plurality of data voltage signal lines. The plurality of pixel driving circuits include a first, second and third pixel driving circuits, the first pixel driving circuit and the second pixel driving circuit are adjacent to each other in a row direction of the pixel array, and the second pixel driving circuit and the third pixel driving circuit are adjacent to each other in the row direction of the pixel array. The first pixel driving circuit and the second pixel driving circuit share one reference voltage signal line, and the second pixel driving circuit and the third pixel driving circuit share one data voltage signal line.
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Patent Agency Ranking
公开(公告)号：US10896643B2
公开(公告)日：2021-01-19
申请号：US15633772
申请日：2017-06-27
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
IPC: G09G3/3241 , G09G3/3233 , G09G3/3291 , G09G3/3266
Abstract: A current detection method for a pixel circuit, a display panel and a display device are provided, for implementing both a compensation for the threshold voltage Vth of the drive transistor and a compensation for the aging of the light emitting element organic light emitting diode (OLED) by controlling to turn on or turn off the first switch transistor and the second switch transistor, and by acquiring the drive current of the drive transistor and the compensation current of the light emitting element, thus the brightness differences among pixels are compensated, thereby avoiding the problem of non-uniform display brightness and poor image uniformity.
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17.发明授权公开(公告)号：US10535303B2
公开(公告)日：2020-01-14
申请号：US16107971
申请日：2018-08-21
Applicant: Shanghai Tianma AM-OLED Co., Ltd.
Inventor： Dongxu Xiang , Yue Li , Renyuan Zhu , Tong Wu , Dong Qian , Zeyuan Chen , Gang Liu
IPC: G09G3/32 , G09G3/3233 , G09G3/3258
Abstract: The present application discloses an organic light emitting display panel, a driving method thereof and an organic light emitting display apparatus. The organic light emitting display panel comprises: a pixel array, comprising pixel regions in M rows and N columns; a plurality of pixel driving circuits each comprising a light emitting diode and a driving transistor for driving the light emitting diode, the light emitting diode being arranged in one of the pixel regions; and a plurality of pixel compensation circuits, each configured to provide a compensated light emitting control signal for a gate of the driving transistor to correct brightness of the light emitting diode in one of the plurality of pixel driving circuits. According to the present disclosure, the final light emitting current may be unrelated to the threshold voltage of the driving transistor, the carrier mobility and aging of the light emitting diode.
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公开(公告)号：US10276254B2
公开(公告)日：2019-04-30
申请号：US15598217
申请日：2017-05-17
Inventor： Dongxu Xiang , Yue Li , Dong Qian , Gang Liu
IPC: G11C19/00 , G11C19/28 , G09G3/3266 , G09G3/36
Abstract: The present disclosure describes a shift register unit, an organic light-emitting display panel and a driving method. The shift register unit comprises a node potential controller and an output unit. The node potential controller comprises a first output end and a second output end. The output unit is configured to output, based on a first control signal from the first output end and a second control signal from the second output end, a first level signal or a second level signal. According to the solutions provided by the application, the potential of each node in the shift register unit is stable and controllable, and contributed to the avoidance of output logic execution problem in the shift register unit caused by unstable node potential when each control signal level of the shift register unit jumps.
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19.发明授权公开(公告)号：US10276096B2
公开(公告)日：2019-04-30
申请号：US15715102
申请日：2017-09-25
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
Inventor： Yue Li , Gang Liu , Huijun Jin
IPC: G09G3/20 , G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3291 , H01L27/32 , G06F3/041
Abstract: The present application discloses an organic light-emitting display panel and a driving method thereof, as well as an organic light-emitting display device. The display panel includes: an array arrangement including pixel units, wherein each pixel unit comprises a first, a second, a third and a fourth subpixels; a pixel circuit is formed in each subpixel; the first, second, third and fourth subpixels of an identical pixel unit are arranged along a column direction and are electrically connected with a given reference signal line; a color of the first subpixel, a color of the second subpixel, a color of the third subpixel and a color of the fourth subpixel differ from one another, and the color of the first subpixel, the color the second subpixel and the color the third subpixel are red, blue and green, respectively; and the color of the fourth subpixel is not white.
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公开(公告)号：US10147353B2
公开(公告)日：2018-12-04
申请号：US15592065
申请日：2017-05-10
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
Inventor： Dongxu Xiang , Yue Li , Dong Qian , Zeyuan Chen , Gang Liu
IPC: G09G3/3233 , G09G3/3291
Abstract: An organic light emitting display panel and a pixel compensation method are provided. The organic light emitting display panel includes: a pixel array including pixel regions divided into M rows and N columns; a plurality of pixel driving circuits, each includes a light emitting diode and a driving transistor for driving the light emitting diode, and the light emitting diodes are located in the pixel regions; and a plurality of pixel compensation circuits configured to sample an anode voltage of the light emitting diode are in at least one of the pixel driving circuits. A light emitting current flows through the light emitting diode, and generates a compensation signal based on the anode voltage and the light emitting current.
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