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1. 发明申请

WO2019006957A1 OLED PIXEL CIRCUIT, AND DRIVING METHOD THEREOF, AND DISPLAY APPARATUS 审中-公开
公开(公告)号：WO2019006957A1
公开(公告)日：2019-01-10
申请号：PCT/CN2017/112090
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
摘要： A pixel circuit, which includes a data-input sub-circuit (1) configured to apply a data voltage from the data line (Data) to a first node (A); a reset sub-circuit (3) configured to reset a second node (B); a driving-control sub-circuit (2) coupled to a first power supply (Vdd), the first node (A), and the second node (B); a power-storage sub-circuit (4) configured to regulate a voltage difference between the first node (A) and the second node (B); a light-emitting device (5) coupled to the second node (B) and a second power supply (Vss); and a sampling sub-circuit (6) coupled to the data line (Data) and the second node (B) and being configured to control the data line (Data) to connect with the second node (B) for collecting a voltage signal containing information about electrical properties of the driving-control sub-circuit (2) and being used to generating a compensation voltage for compensating any drifts of the electrical properties.

2. 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.

3. 发明公开

EP3640926A1 METHOD FOR DRIVING PIXEL CIRCUIT, PIXEL CIRCUIT, AND DISPLAY PANEL 审中-公开
公开(公告)号：EP3640926A1
公开(公告)日：2020-04-22
申请号：EP17913174.3
申请日：2017-12-15
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： XU, Haixia , WU, Yue , YUAN, Can , BAO, Wenchao
IPC分类号： G09G3/20
摘要： Embodiments of the present disclosure provide a method for driving a pixel circuit, a pixel circuit, and a display panel. In this method, a zero-voltage signal is provided to a data signal terminal. A first ON signal is provided to a first scan signal terminal, a second ON signal is provided to a second scan signal terminal, and a first level data signal or the zero-voltage signal is provided to the data signal terminal. Next, a decreased data signal, a second level data signal and the zero-voltage signal are provided to the data signal terminal.

4. 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.

5. 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

6. 发明公开

EP3879532A1 SHIFT REGISTER AND DRIVING METHOD THEREFOR, GATE DRIVING CIRCUIT AND DISPLAY DEVICE 审中-实审
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.

7. 发明公开

EP3872801A1 SHIFT REGISTER UNIT, GATE DRIVING CIRCUIT, DISPLAY DEVICE AND DRIVING METHOD 审中-实审
公开(公告)号：EP3872801A1
公开(公告)日：2021-09-01
申请号：EP19861294.7
申请日：2019-10-22
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： FENG, Xuehuan , LI, Yongqian , YUAN, Can
IPC分类号： G09G3/3266 , G11C19/28
摘要： Embodiments of the present disclosure provide a shift register circuitry, a gate driving circuit, a display device, and a driving method. The shift register circuitry comprises a blanking input circuit, a display input circuit, an output circuit, and a first control circuit. The blanking input circuit provides a blanking input signal to the pull-up control node and supplies a blanking pull-up signal to the pull-up node. The display input circuit provides a display pull-up signal to the pull-up node in response to the display input signal. The output circuit outputs the output signal to the shift signal output terminal and the pixel signal output terminal under the control of the voltage of the pull-up node. The first control circuit couples the shift signal output terminal to the pixel signal output terminal in response to the display input signal.

8. 发明公开

EP3648167A1 DISPLAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, DISPLAY PANEL AND DISPLAY DEVICE 审中-实审
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.

9. 发明公开

EP3637469A1 ORGANIC LIGHT EMITTING DIODE ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE 有权
公开(公告)号：EP3637469A1
公开(公告)日：2020-04-15
申请号：EP17892067.4
申请日：2017-12-05
申请人： BOE Technology Group Co., Ltd. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： ZHU, Sheng , ZHANG, Zhengyuan , SUI, Peng , YUAN, Can , ZHUO, Xiaojun , WANG, Tao
IPC分类号： H01L27/32
摘要： An organic light-emitting diode array substrate and manufacturing method thereof, and display apparatus are provided. The organic light-emitting diode array substrate includes: a base substrate (201); a first metal layer (202) disposed on the base substrate (201); a first insulating layer (203) disposed on a side of the first metal layer (202) far away from the base substrate (201); a second metal layer (204) disposed on a side of the first insulating layer (203) far away from the base substrate (201); the first metal layer (202) includes a first power line (205), and the second metal layer (204) includes a second power line (206); the second power line (206) is connected in parallel with the first power line (205) through a first via hole (207) which penetrates the first insulating layer (203). The first power line and the second power line are connected in parallel through the via hole to reduce voltage drop.

10. 发明公开

EP4444062A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-公开
公开(公告)号：EP4444062A1
公开(公告)日：2024-10-09
申请号：EP22948412.6
申请日：2022-06-29
申请人： BOE TECHNOLOGY GROUP CO., LTD. , Hefei Xinsheng Optoelectronics Technology Co., Ltd.
发明人： LIU, Ning , ZHOU, Bin , YUAN, Can , WANG, Yu , WANG, Xinxin , ZHANG, Dacheng
IPC分类号： H10K50/824 , H10K50/818
CPC分类号： H10K50/818 , H10K50/824
摘要： Provided in the present disclosure are a display substrate and a display device. The display substrate comprises a drive structure layer (20) arranged on a base (10) and a light-emitting structure layer (30) arranged on the drive structure layer (20), wherein the light-emitting structure layer (30) at least comprises a cathode (24) and an auxiliary electrode (70), the cathode (24) being connected to the auxiliary electrode (70); the auxiliary electrode (70) comprises a first auxiliary electrode (71), a second auxiliary electrode (72) and a third auxiliary electrode (73), which are stacked in a direction away from the base (10); and a side wall of the third auxiliary electrode (73) opposite to the second auxiliary electrode (72) is provided with a protrusion that has a protruding distance greater than or equal to the thickness of the second auxiliary electrode (72), the protruding distance being the distance between an edge of the third auxiliary electrode (73) and the side wall of the second auxiliary electrode (72).

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