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公开(公告)号：US20210257417A1
公开(公告)日：2021-08-19
申请号：US17307573
申请日：2021-05-04
Inventor： Zhidong Yuan , Pan Xu , Can Yuan , Meng Li
Abstract: A display substrate and a fabrication method thereof, a display panel and a display device are provided. The display substrate includes pixels. Each of the pixels includes sub-pixels that emit light of different colors, each of the sub-pixels includes a light emitting element, and at least one of the sub-pixels further includes a color filter. The color filter of the at least one of the sub-pixels covers a portion of a light emitting region of the light emitting element of the at least one of the sub-pixels, and a color of the color filter of the at least one of the sub-pixels is the same as a color of light emitted by the light emitting element of the at least one of the sub-pixels.
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公开(公告)号：US20210217362A1
公开(公告)日：2021-07-15
申请号：US16959011
申请日：2019-12-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan Xu , Yicheng Lin , Guoying Wang , Ling Wang
IPC: G09G3/3233 , G09G3/3275
Abstract: The present disclosure discloses a pixel circuit, a driving method thereof, a display panel, and a display device, which belong to the technical field of display. The pixel circuit includes a data writing sub-circuit, a compensation sub-circuit, a storage sub-circuit, and a driving sub-circuit. Since the compensation sub-circuit may output a first power signal to a first node, the storage sub-circuit may adjust the potential of a second node according to the potential of the first node.
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公开(公告)号：US11031437B2
公开(公告)日：2021-06-08
申请号：US16335972
申请日：2018-06-22
Inventor： Zhidong Yuan , Pan Xu , Can Yuan , Meng Li
Abstract: A display substrate and a fabrication method thereof, a display panel and a display device are provided. The display substrate includes pixels. Each of the pixels includes sub-pixels that emit light of different colors, each of the sub-pixels includes a light emitting element, and at least one of the sub-pixels further includes a color filter. The color filter of the at least one of the sub-pixels covers a portion of a light emitting region of the light emitting element of the at least one of the sub-pixels, and a color of the color filter of the at least one of the sub-pixels is the same as a color of light emitted by the light emitting element of the at least one of the sub-pixels.
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公开(公告)号：US20210151711A1
公开(公告)日：2021-05-20
申请号：US16818246
申请日：2020-03-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan Xu
Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes: a backplane; a transistor layer on a side of the backplane; a first planarization layer on a side of the transistor layer away from the backplane; an auxiliary cathode layer on a side of the first planarization layer away from the transistor layer; a second planarization layer on a side of the auxiliary cathode layer away from the first planarization layer; and a light-emitting element layer on a side of the second planarization layer away from the auxiliary cathode layer. The light-emitting element layer includes a primary cathode layer electrically connected to the auxiliary cathode layer.
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公开(公告)号：US10984719B2
公开(公告)日：2021-04-20
申请号：US16607286
申请日：2019-04-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan Xu , Cuili Gai , Yi Cheng Lin , Ling Wang
IPC: G09G3/3258 , G09G3/3266 , G09G3/3291
Abstract: A pixel circuit unit, a driving method thereof, a display panel and a display device are disclosed. The pixel circuit unit includes a plurality of pixel drive circuits and a voltage control circuit including a first terminal and a second terminal; the first terminal is connected with a first voltage terminal to receive a first supply voltage provided by the first voltage terminal; each pixel drive circuit includes a light-emitting drive circuit including a supply voltage receiving terminal and a control terminal; the supply voltage receiving terminal is electrically connected with the second terminal, so as to allow the supply voltage receiving terminal to be capable of receiving the first supply voltage; and the voltage control circuit is configured to be disconnected in a data voltage writing stage, so that the supply voltage receiving terminal does not receive the first supply voltage in the data voltage writing stage.
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Patent Agency Ranking
136.发明授权公开(公告)号：US10978524B2
公开(公告)日：2021-04-13
申请号：US16308537
申请日：2018-05-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cuili Gai , Yi Cheng Lin , Pan Xu , Baoxia Zhang , Quanhu Li , Ling Wang
Abstract: An electroluminescent display substrate and a manufacturing method thereof, a display panel and a display apparatus are disclosed. The electroluminescent display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area, wherein at least one OLED device is in the display area; a pixel defining layer in the display area and the peripheral area; at least one groove in the pixel defining layer in the peripheral area; wherein the at least one OLED device has a first electrode, the first electrode is on a side of the pixel defining layer away from the base substrate and extends to cover the groove.
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公开(公告)号：US10930215B2
公开(公告)日：2021-02-23
申请号：US15842927
申请日：2017-12-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Pan Xu
IPC: G09G3/3258 , G09G3/3233
Abstract: A pixel circuit is disclosed which includes a plurality of sub-pixel circuits each including: an organic light emitting diode having an anode; a driving transistor connected in series with the organic light emitting diode via the anode; and a sensing transistor having a first electrode connected to the anode, a gate connected to a first scan line, and a second electrode. The pixel circuit further includes a common transistor having a first electrode connected to the second electrodes of the sensing transistors of the plurality of sub-pixel circuits, a gate connected to the first scan line, and a second electrode connected to a sensing line. Also disclosed is a display apparatus including the pixel circuit and a method of driving the pixel circuit.
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138.发明授权公开(公告)号：US10798372B2
公开(公告)日：2020-10-06
申请号：US16097815
申请日：2018-02-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Quanhu Li , Yicheng Lin , Yu Wang , Yue Wu , Song Meng , Yongqian Li , Pan Xu
IPC: G09G5/00 , H04N13/398 , H04N13/302 , G09G3/36 , G09G3/3233 , H04N13/341 , H04N13/315 , G09G3/00 , G09G3/20
Abstract: A 3D display driving method, a 3D display driving device and a display device are provided. The 3D display driving method includes, during each display period: within a display duration (2n−1)th for a left-eye image of a left-eye image frame, scanning a first gate line in an nth group of gate lines, and within a part of the display duration (2n−1)th for the left-eye image, scanning a second gate line in the nth group of gate lines; and within a display duration (2n)th for a right-eye image of a right-eye image frame, scanning the second gate line in the nth group of gate lines, n being a positive integer smaller than or equal to M, and M being an integer greater than 1.
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139.发明授权公开(公告)号：US10600381B2
公开(公告)日：2020-03-24
申请号：US16014667
申请日：2018-06-21
Inventor： Xuelian Cheng , Xuehuan Feng , Qi Hu , Pan Xu , Yongqian Li
Abstract: A reset control circuit, a method for driving the same, a shift register circuit, and a display device are disclosed. The reset control circuit includes: a reset-off sub-circuit, a reset-on sub-circuit, and a general output terminal; a signal to be shifted is input to a first control terminal of the reset-off sub-circuit, a reset-off signal is input to a first input terminal thereof; a shift signal is input to a second control terminal of the reset-on sub-circuit, the signal to be shifted is input to a third control terminal thereof, the shift signal reused as a reset-on signal is input to a second input terminal thereof; with a pulse level of the signal to be shifted, the reset-off sub-circuit is controlled to be enabled to output the reset-off signal to the general output terminal, the reset-on sub-circuit is controlled to be disabled to stop the reset-on signal from being output.
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公开(公告)号：US10593279B2
公开(公告)日：2020-03-17
申请号：US15821149
申请日：2017-11-22
Inventor： Meng Li , Yongqian Li , Pan Xu , Zhenfei Cai , Zhidong Yuan , Can Yuan , Xuehuan Feng , Wenchao Bao
Abstract: A display device, a gate driving circuit and a gate driving unit are provided. The gate driving unit includes: a signal maintenance circuit configured to, in the case that a first clock signal at a high level is received, output a high level in accordance with an inputted trigger signal at a high level; a first-level output circuit configured to, in the case that a second clock signal at a high level is received, output a first-level driving signal at a high level in accordance with the high level from an output end of the signal maintenance circuit; and a second-level output circuit configured to, in the case that a third clock signal at a high level is received, output a second-level driving signal at a high level in accordance with the high level from an output end of the first-level output circuit.
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