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1. 发明公开

EP3657485A1 SHIFT REGISTER UNIT AND DRIVING METHOD THEREFOR, GATE DRIVE CIRCUIT 审中-公开
公开(公告)号：EP3657485A1
公开(公告)日：2020-05-27
申请号：EP18825852.9
申请日：2018-01-04
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd
发明人： LI, Meng , LI, Yongqian , YUAN, Zhidong , YUAN, Can , CAI, Zhenfei , FENG, Xuehuan
IPC分类号： G09G3/3266
摘要： Embodiments of the present disclosure provide a shift register unit and a driving method thereof, and a gate driving circuit. The shift register unit includes an input circuit, a next-stage start circuit, a control circuit, a stabilization circuit, and at least one output circuit. The at least one output circuit each can control a voltage of a signal output terminal according to a voltage of a pull-up node, a voltage of a pull-down node, a first voltage signal, a control clock signal from a control clock signal terminal, and a control voltage signal from a control voltage signal terminal. A high level of a second clock signal begins when a high level of a first clock signal ends, and a high level of a third clock signal begins when a high level of the second clock signal ends.

2. 发明公开

EP3859784A1 ARRAY SUBSTRATE AND METHOD FOR DETECTING SAME, AND DISPLAY PANEL 审中-实审
公开(公告)号：EP3859784A1
公开(公告)日：2021-08-04
申请号：EP19858706.5
申请日：2019-09-12
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co. Ltd
发明人： YUAN, Can , LI, Yongqian , YUAN, Zhidong , LI, Meng
IPC分类号： H01L27/32 , G09G3/3225
摘要： An array substrate and a detection method thereof, and a display panel are disclosed. The array substrate (10) includes a plurality of subpixels (100) and a plurality of detection line structures (110). The plurality of subpixels (100) are arranged in an array of a plurality of rows and a plurality of columns along a first direction (D1) and a second direction (D2), and the first direction (D1) intersects the second direction (D2). Each of the plurality of detection line structures (110) includes at least one first detection line (111) extending along the first direction (D1); at least one subpixel (100) in each row of subpixels includes a light-emitting element (OLED) and a first transistor (T1) that drives the light-emitting element to emit light; adjacent (n)th row and (n+1)th row of subpixels (100) in the array form a subpixel row group (200), one detection line structure (110) is provided between the (n)th row and (n+1)th row of subpixels (100) in each subpixel row group (200), and the detection line structure (110) is configured to be connected to the (n)th row and (n+1)th row of subpixels (100) and detect electrical characteristics of first transistors (T1) or light-emitting elements (OLED) in the subpixels (100); and n is an odd number or an even number greater than zero. The array substrate reduces the number of detection line structures by alternately sharing detection line structures between adjacent rows of subpixels, thereby reducing the overlap of detection lines and data lines, which can not only reduce parasitic capacitance, but also improve product yield.

3. 发明公开

EP3649635A1 OLED PIXEL CIRCUIT, AND DRIVING METHOD THEREOF, AND DISPLAY APPARATUS 有权
公开(公告)号：EP3649635A1
公开(公告)日：2020-05-13
申请号：EP17890839.8
申请日：2017-11-21
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： YUAN, Can , LI, Yongqian , XU, Pan , YUAN, Zhidong , CAI, Zhenfei
IPC分类号： G09G3/32

4. 发明公开

EP3879532A1 SHIFT REGISTER AND DRIVING METHOD THEREFOR, GATE DRIVING CIRCUIT AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP3879532A1
公开(公告)日：2021-09-15
申请号：EP19882587.9
申请日：2019-10-25
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： YUAN, Zhidong , LI, Yongqian , YUAN, Can
IPC分类号： G11C19/28 , G09G3/3266
摘要： The embodiments of the present disclosure propose a shift register and a method for driving the same, a gate driving circuit, and a display apparatus. The shift register includes: a scanning circuit configured to generate a first signal for causing a gate driving signal output by the shift register to have a row shift portion during a scanning period; a sensing circuit configured to generate a second signal for causing the gate driving signal to have a frame shift portion during a blanking period; and a random shift circuit electrically coupled to the scanning circuit and the sensing circuit respectively, and configured to generate the gate driving signal having the row shift portion and randomly having the frame shift portion based on the first signal and the second signal.

5. 发明公开

EP3648167A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, DISPLAY PANEL AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP3648167A1
公开(公告)日：2020-05-06
申请号：EP18824188.9
申请日：2018-06-22
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： YUAN, Zhidong , XU, Pan , YUAN, Can , LI, Meng
IPC分类号： H01L27/32
摘要： Provided is a display substrate and a manufacturing method thereof, a display panel and a display device. The display substrate comprises a plurality of pixels, each of which comprises a plurality of sub-pixels capable of emitting light of different colors, wherein each of the sub-pixels comprising a light-emitting device, and at least one sub-pixel further comprises a color filter (111/211), the color filter (111/211) covers a light-emitting area of the light-emitting device of a part of the sub-pixels, and the color of the color filter of the sub-pixel is the same as the color of the light that the light-emitting device of the sub-pixel can emit.

6. 发明公开

EP4068360A1 DISPLAY SUBSTRATE, MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP4068360A1
公开(公告)日：2022-10-05
申请号：EP19945442.2
申请日：2019-11-29
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： LI, Meng , WU, Zhongyuan , LI, Yongqian , YUAN, Can , YUAN, Zhidong , FENG, Xuehuan , LIU, Lang , ZHANG, Dacheng
IPC分类号： H01L27/12 , H01L27/32
摘要： A display substrate and a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array. At least one sub-pixel includes a first transistor, a second transistor, a third transistor and a storage capacitor. The first electrode of the third transistor is electrically connected to an active layer of the third transistor through a first via hole, and the first electrode of the third transistor is configured to be electrically connected to the light emitting element through a second via hole; the first via hole and the second via hole are at least partially overlapped with each other in a direction perpendicular to the base substrate. The display substrate can effectively reduce a voltage drop at an electrode of the light emitting element and improve the display effect.

7. 发明公开

EP3806081A1 SHIFT REGISTER AND DRIVING METHOD THEREFOR, GATE DRIVE CIRCUIT, AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP3806081A1
公开(公告)日：2021-04-14
申请号：EP19820616.1
申请日：2019-05-31
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： LI, Meng , LI, Yongqian , YUAN, Zhidong , YUAN, Can
IPC分类号： G09G3/20
摘要： The present disclosure discloses a shift register and a driving method therefor, a gate drive circuit, and a display device. An input circuit (10) is configured to respond to a signal of an input signal end (INP) and provide a signal of a first reference signal terminal (VGH) to a first node (N1); a first control circuit (20) is configured to respond to signals of the input signal end (INP), a clock signal end (CLK), and a second control clock signal end (CLKB) and control a signal of a second node (N2); a reset circuit (30) is configured to respond to the signal of the second node (N2) and provide a signal of a second reference signal end (VSS) to the first node (N1); a second control circuit (40) is configured to respond to signals of a first control clock signal end (CLKA), the second control clock signal end (CLKB), and the first node (N1) and control a signal of a third node (N3); and an output circuit (50) is configured to respond to the signal of the first node (N1) and provide the signal of the clock signal end (CLK) to an output signal end (OUTP) and is configured to respond to the signal of the third node (N3) and provide the signal of the second reference signal end (VSS) to the output signal end (OUTP).

8. 发明公开

EP3779992A1 SHIFT REGISTER, GATE DRIVING CIRCUIT AND DISPLAY DEVICE 审中-实审
公开(公告)号：EP3779992A1
公开(公告)日：2021-02-17
申请号：EP19784653.8
申请日：2019-03-22
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： YUAN, Can , YUAN, Zhidong , LI, Yongqian
IPC分类号： G11C19/28 , G09G3/3266 , G09G3/36
摘要： This application discloses a shift register, a gate drive circuit and a display device. The signal of the input signal terminal is provided to the pull-up node by the input circuit under the control of the input signal terminal; and the signal of the second reference signal terminal is provided to the output signal terminal by the output circuit under the control of the clock signal terminal and the signal of the pull-up node. The signal of the first reference signal terminal is provided to the pull-up node by the reset circuit under the control of the input signal terminal and the clock signal terminal. The pull-down control circuit resets the output signal terminal according to the signal of the first reference signal terminal.

9. 发明公开

EP4181112A1 DISPLAY APPARATUS, DISPLAY PANEL AND DRIVING METHOD THEREFOR, AND DETECTION METHOD FOR PIXEL CIRCUIT 审中-实审
公开(公告)号：EP4181112A1
公开(公告)日：2023-05-17
申请号：EP20966389.7
申请日：2020-12-23
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： YUAN, Can , LI, Yongqian , YUAN, Zhidong
IPC分类号： G09G3/3233
摘要： A display apparatus, a display panel and a driving method therefor, and a detection method for a pixel circuit. The display panel comprises a pixel unit (P) and a detection apparatus (1). The pixel unit (P) comprises a pixel circuit and a light-emitting device. The pixel circuit comprises a first transistor (T1), a second transistor (T2), a drive transistor (Dr) and a storage capacitor (Cst). The detection apparatus (1) is used for: turning off, in a first time period (t1) in a first state of the pixel unit (P), the first transistor (T1) and the second transistor (T2), and for measuring the quantity of electricity leaking from the drive transistor (Dr) through a sense line (Sense), so as to obtain a first electric leakage parameter; for testing, in a second time period (t2) after the first time period (t1) in the first state, a first characteristic parameter of the drive transistor (Dr), so as to obtain a first reference characteristic parameter; and for determining a first target characteristic parameter according to the first electric leakage parameter and the first reference characteristic parameter.

10. 发明公开

EP4145433A1 SHIFT REGISTER, GATE ELECTRODE DRIVING CIRCUIT, AND GATE ELECTRODE DRIVING METHOD 审中-实审
公开(公告)号：EP4145433A1
公开(公告)日：2023-03-08
申请号：EP20926355.7
申请日：2020-04-30
申请人： BOE Technology Group Co., Ltd. , Hefei Boe Joint Technology Co., Ltd.
发明人： YUAN, Can , LI, Yongqian , YUAN, Zhidong
IPC分类号： G09G3/32
摘要： Shift register includes signal writing circuit, voltage control circuit and output circuit. The signal writing circuit is configured to write inverted signal of input signal provided by signal input terminal into second node responsive to control of second clock signal provided by second clock signal terminal. The voltage control circuit is configured to write first operating voltage into first node and write second clock signal into third node in voltage control circuit in response to control of voltage at first node, write second operating voltage into third node in response to control of second clock signal and write first clock signal provided by first clock signal terminal into first node in response to control of voltage at third node and first clock signal. The output circuit is configured to write second or first operating voltage into signal output terminal in response to control of voltage at first or second node.

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