Patents by Inventor Can Zheng
Can Zheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11963407Abstract: Provided is an organic light-emitting diode display substrate, including: a source/drain layer, a planarization layer and an anode layer which are laminated in sequence, wherein the source/drain layer includes at least one pair of first signal lines; the anode layer includes a common power line, wherein the common power line is provided with vent holes; overlapping areas between two first signal lines in each pair of the first signal lines and a projection pattern of the vent hole are equal, the overlapping area being greater than 0, wherein the projection pattern of the vent hole is a pattern of an orthographic projection of the vent hole in the common power line on the source/drain layer. A display panel and a display device are also provided.Type: GrantFiled: November 13, 2020Date of Patent: April 16, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Jiangnan Lu, Guangliang Shang, Can Zheng, Yu Feng, Libin Liu, Jie Zhang, Mei Li
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Patent number: 11925082Abstract: A display panel and a display device are provided. The display panel includes: a pixel unit including a pixel circuit and a light-emitting element, the pixel circuit including a first transistor, the pixel unit including a first pixel unit and a second pixel unit located in a same row and adjacent columns; a first gate line and a second gate line, connected to gate electrodes of the first transistors of the first pixel unit and the second pixel unit; a first gate signal line, connected to the first pixel unit; a second gate signal line, connected to the second pixel unit; a first connection line connected with the first gate signal line through the first connection line; and a second connection line connected with the second gate signal line through the second connection line.Type: GrantFiled: January 19, 2021Date of Patent: March 5, 2024Assignee: BOE TECHNOLOGY GROUP, CP., LTD.Inventors: Mei Li, Tian Dong, Li Wang, Guangliang Shang, Can Zheng
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Patent number: 11908404Abstract: The present disclosure provides a display panel, a pixel circuit and a method for driving the pixel circuit, the pixel circuit includes: a storage capacitor circuit; a light-emitting element; a driving transistor; a reset circuit, the reset circuit is configured to receive a reset control signal and reset a first node and a second node according to the reset control signal, or receive a writing control signal and/or a timing sequence control signal of an adjacent pixel row and reset the first node and the second node according to the writing control signal and/or the timing sequence control signal of the adjacent pixel row; a threshold compensation circuit, configured to receive a compensation control signal and write a compensation voltage into the first node according to the compensation control signal; a writing circuit; and a light-emitting control circuit.Type: GrantFiled: January 14, 2021Date of Patent: February 20, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lujiang Huangfu, Libin Liu, Can Zheng
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Patent number: 11900883Abstract: A shift register unit, a method for driving a shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes: a second noise reduction control circuit. The second noise reduction control circuit includes: a first control circuit, configured to transmit a first voltage to a second noise reduction control node; a first coupling circuit, configured to store a level of the second noise reduction control node and adjust the level of the second noise reduction control node; a second coupling circuit, configured to reduce an adjustment magnitude of the first coupling circuit in case of adjusting the level of the second noise reduction control node; a transmission circuit, configured to connect the first noise reduction control node and the second noise reduction control node; and a storage circuit, configured to store the level of the first noise reduction control node.Type: GrantFiled: March 19, 2021Date of Patent: February 13, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangliang Shang, Can Zheng, Jiangnan Lu, Yuhan Qian, Li Wang, Libin Liu, Shiming Shi, Dawei Wang
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Patent number: 11893938Abstract: Provided are a pixel circuit, a display panel and a display apparatus. The pixel circuit includes: a first resetting switching transistor, a first data writing switching transistor, a storage capacitor, a first compensation capacitor, a second compensation capacitor, and a driving transistor; the first resetting switching transistor includes a first switching sub-transistor and a second switching sub-transistor connected in series, and the first data writing switching transistor includes a third switching sub-transistor and a fourth switching sub-transistor connected in series. The first compensation capacitor and the second compensation capacitor are used to enable a voltage Vn1? of the first node to be smaller than a voltage Vn3? of the third node and larger than a voltage Vn4? of the fourth node in a light-emitting stage.Type: GrantFiled: February 9, 2021Date of Patent: February 6, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Li Wang, Can Zheng
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Publication number: 20240029660Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, and a shift register unit, a first clock signal line and a second clock signal line which are on the peripheral region of the base substrate; the first clock signal line and the second clock signal line extend along a first direction; an active layer of the first control transistor, an active layer of the second control transistor, and an active layer of the third control transistor respectively extend along a second direction, and the active layer of the first control transistor, the active layer of the second control transistor, and the active layer of the third control transistor are on a side of the first clock signal line and the second clock signal line close to the display region, and are arranged side by side in the first direction.Type: ApplicationFiled: September 11, 2023Publication date: January 25, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiangnan LU, Can ZHENG
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Patent number: 11875747Abstract: A pixel driving circuit includes: an energy storage sub-circuit, a reset sub-circuit, a compensation sub-circuit, a driving sub-circuit, and a current leakage suppression sub-circuit. The energy storage sub-circuit is coupled to a first node and a second node. The reset sub-circuit is coupled to the second node, a first scan timing signal terminal, and an initialization signal terminal. The compensation sub-circuit is coupled to the second node, a third node, and a second scan timing signal terminal. The driving sub-circuit is coupled to the second node, the third node, and a first voltage signal terminal. The current leakage suppression sub-circuit is coupled to the energy storage sub-circuit, the reset sub-circuit, and the compensation sub-circuit. The current leakage suppression sub-circuit is configured to suppress current leakage of the energy storage sub-circuit in a process of generating and transmitting the driving signal by the driving sub-circuit.Type: GrantFiled: May 17, 2021Date of Patent: January 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lujiang Huangfu, Li Wang, Can Zheng, Tian Dong, Libin Liu
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Patent number: 11862646Abstract: Embodiments of the present disclosure provide a display substrate, a touch display panel and a display panel. The display substrate has a display region and a pin region on a side of the display region. The display substrate includes: a base substrate; and at least one first signal line and at least one second signal line both on a side of the base substrate and both extending to the display region from the pin region. The display substrate further includes a DC conductive structure connected to a constant DC voltage. The DC conductive structure is between the at least one first signal line and the at least one second signal line. Each of the at least one first signal line and the at least one second signal line is spaced apart from the DC conductive structure.Type: GrantFiled: May 18, 2021Date of Patent: January 2, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Libin Liu, Can Zheng, Shiming Shi
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Patent number: 11854489Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, and a shift register unit, a first clock signal line and a second clock signal line which are on the peripheral region of the base substrate; the first clock signal line and the second clock signal line extend along a first direction; an active layer of the first control transistor, an active layer of the second control transistor, and an active layer of the third control transistor respectively extend along a second direction, and the active layer of the first control transistor, the active layer of the second control transistor, and the active layer of the third control transistor are on a side of the first clock signal line and the second clock signal line close to the display region, and are arranged side by side in the first direction.Type: GrantFiled: January 13, 2021Date of Patent: December 26, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiangnan Lu, Can Zheng
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Patent number: 11854508Abstract: A driving method and device for a shift register. In a data refreshing phase, loading an input signal having a pulse level to an input signal end, loading a control clock pulse signal to a control clock signal end, loading a noise reduction clock pulse signal to a noise reduction clock signal end, controlling a cascade signal end of the shift register to output a cascade signal having a pulse level, and controlling a drive signal end of the shift register to output a drive signal having a pulse level; in a data holding phase, loading a fixed voltage signal to the input signal end, loading a first set signal to the control clock signal end, loading a second set signal to the noise reduction clock signal end, controlling the cascade signal end to output a fixed voltage signal having a second level.Type: GrantFiled: May 12, 2021Date of Patent: December 26, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Guangliang Shang, Tian Dong, Shuo Huang, Can Zheng
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Patent number: 11854460Abstract: A shift register unit, a driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first input circuit, a second input circuit, an output circuit, a first control circuit, and a second control circuit. The first input circuit is electrically connected to a first node, and is configured to transmit an input signal to the first node; the second input circuit is electrically connected to the first node and a second node, and is configured to control a level of the second node; the first control circuit is electrically connected to the second node and a third node, and is configured to control a level of the third node; and the output circuit is electrically connected to the third node and an output terminal, and is configured to output an output signal to the output terminal.Type: GrantFiled: January 4, 2023Date of Patent: December 26, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Can Zheng
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Publication number: 20230412602Abstract: Methods, systems, and computer programs are presented for managing access to resources using scenarios. One method includes an operation for storing first scenario data received for a first control scenario. The first scenario data comprises a control scenario identifier, a first resource, an authorization control, and a scenario trigger that defines an event that causes an activation of the first control scenario for providing access to the first resource. Further, the method includes operations for monitoring for an occurrence of the scenario trigger and detecting an occurrence of the event associated with the scenario trigger. Further, the method determines, in response to the occurrence of the event, a set of users authorized to access the first resource, including accessing the first scenario data to determine the set of users associated with the authorization control. Furthermore, access is provided to the set of users based on the determining.Type: ApplicationFiled: October 22, 2021Publication date: December 21, 2023Inventors: James Paul GYARMATHY, Ali ALAM, Amanda HOLCOMB, Alka GARG, Ayyappan BALASUBRAMANIAN, Mansi SINGHAL, Gerardo BODEGAS MARTINEZ, Michael TODD, Carrie Ann CULLEY, Hardeep KOHLI, Can ZHENG, Rohan KAMATH, Sandhya VANKAMAMIDI, Jing JING, Zhuang GAO, John Kingsly MASILAMANI, Jack PULLIKOTTIL
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Publication number: 20230363220Abstract: A display panel and a display device are provided. The display panel has a display area. The display panel includes: a base substrate; a driving circuit and at least one signal line on the base substrate; and at least one insulating layer between the driving circuit and the at least one signal line. The driving circuit is disposed in a periphery of the display area; and an orthogonal projection of at least one of the signal lines on the base substrate has an overlapping area with an orthogonal projection of the driving circuit on the base substrate.Type: ApplicationFiled: July 13, 2023Publication date: November 9, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongwei TIAN, Yanan NIU, Zheng LIU, Liangjian LI, Dong LI, Meng ZHAO, Long HAN, Can ZHENG
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Publication number: 20230360607Abstract: The disclosure relates to a shift register, a driving method thereof, a gate drive circuit, and a display device. An output pulse width can be reduced by 1/(n+1) to (n?1)/(n+1) clock cycle by setting a pulse width modulation module (104), where n is the number of clock signal terminals in one-to-one correspondence with the enable signal terminals, and the pulse width reduced by 1/(n+1) to (n?1)/(n+1) clock cycle needs to be output several times under the condition that the light emitting duration of pixels is unchanged. In this way, the refresh rate is increased, and thus the flicker phenomenon in the process of low gray-scale brightness adjustment is less detectable to the human eyes.Type: ApplicationFiled: December 29, 2020Publication date: November 9, 2023Inventors: Can ZHENG, Libin LIU
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Publication number: 20230360608Abstract: A shift register unit, a method for driving a shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes: a second noise reduction control circuit. The second noise reduction control circuit includes: a first control circuit, configured to transmit a first voltage to a second noise reduction control node; a first coupling circuit, configured to store a level of the second noise reduction control node and adjust the level of the second noise reduction control node; a second coupling circuit, configured to reduce an adjustment magnitude of the first coupling circuit in case of adjusting the level of the second noise reduction control node; a transmission circuit, configured to connect the first noise reduction control node and the second noise reduction control node; and a storage circuit, configured to store the level of the first noise reduction control node.Type: ApplicationFiled: March 19, 2021Publication date: November 9, 2023Inventors: Guangliang SHANG, Can ZHENG, Jiangnan LU, Yuhan QIAN, Li WANG, Libin LIU, Shiming SHI, Dawei WANG
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Patent number: 11790850Abstract: A pixel driving circuit includes a reset sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The reset sub-circuit is configured to transmit an initialization signal received from an initialization signal terminal to the light-emitting control sub-circuit. The light-emitting control sub-circuit is configured to transmit the initialization signal to the first node. The compensation sub-circuit is configured to transmit the initialization signal from the first node to a second node so as to reset a voltage of the second node. The driving sub-circuit is configured to open a conductive path from a first voltage signal terminal to the initialization signal terminal during a process of resetting the voltage of the second node.Type: GrantFiled: May 17, 2021Date of Patent: October 17, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lujiang Huangfu, Li Wang, Can Zheng, Libin Liu
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Publication number: 20230326389Abstract: A shift register unit, a driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first input circuit, a second input circuit, an output circuit, a first control circuit, and a second control circuit, wherein the first input circuit is electrically connected to a first node; the second input circuit is electrically connected to the first node and a second node; the first control circuit is electrically connected to the second node and a third node; the output circuit is electrically connected to the third node, a second voltage signal line and an output terminal; and the second control circuit is electrically connected to the first node, the third node and a first voltage signal line.Type: ApplicationFiled: June 16, 2023Publication date: October 12, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Can ZHENG
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Publication number: 20230306911Abstract: Disclosed are a pixel circuit, a driving method of the pixel circuit and a display device, the pixel circuit including a reset unit, a voltage writing unit and a light-emitting control unit, the reset unit is connected to a reset control signal terminal, and resets the pixel circuit under the control of the reset control signal; the voltage writing unit stores a data signal and a threshold voltage of a driving transistor under the control of the scan control signal; the light-emitting control unit is connected to a light-emitting control signal terminal and includes the driving transistor, and use the data signal and the threshold voltage to generate a current under control of the light-emitting control signal; the light-emitting control unit includes a first type transistor, the reset unit and the voltage writing unit include a second type transistor different from the first type transistor.Type: ApplicationFiled: May 29, 2023Publication date: September 28, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Can ZHENG
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Patent number: 11751442Abstract: A display panel and a display device are provided. The display panel has a display area. The display panel includes: a base substrate; a driving circuit and at least one signal line on the base substrate; and at least one insulating layer between the driving circuit and the at least one signal line. The driving circuit is disposed in a periphery of the display area; and an orthogonal projection of at least one of the signal lines on the base substrate has an overlapping area with an orthogonal projection of the driving circuit on the base substrate.Type: GrantFiled: April 19, 2019Date of Patent: September 5, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongwei Tian, Yanan Niu, Zheng Liu, Liangjian Li, Dong Li, Meng Zhao, Long Han, Can Zheng
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Patent number: RE49782Abstract: A shift register includes: an input unit, configured to provide an input signal to a first node; a pull-up unit, configured to provide a voltage of a first supply voltage terminal to an output terminal; a pull-up control unit, configured to provide the voltage of the first supply voltage terminal or a voltage of a second supply voltage terminal to a second node; a pull-down unit, configured to provide a third clock signal from a third clock signal terminal to the output terminal; a pull-down control unit, configured to provide the voltage of the first supply voltage terminal to the first node; a first noise reduction unit, configured to reduce electrical leakage of the input unit to the first node; and a second noise reduction unit, configured to reduce electrical leakage of the pull-down control unit to the first node.Type: GrantFiled: March 3, 2021Date of Patent: January 2, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Can Zheng