Patents Assigned to HEFEI BOE JOINT TECHNOLOGY CO., LTD.
  • Publication number: 20230103377
    Abstract: A display substrate includes: a base substrate; a first conductive pattern arranged on the base substrate; a first insulation layer arranged at a side of the first conductive pattern away from the base substrate; a second conductive pattern arranged at a side of the first insulation layer away from the base substrate; a second insulation layer arranged at a side of the second conductive pattern away from the base substrate; and a third conductive pattern arranged at a side of the second insulation layer away from the base substrate. The third conductive pattern and the first conductive pattern together serve as a first electrode plate of the capacitor, and the second conductive pattern serves as a second electrode plate of the capacitor.
    Type: Application
    Filed: December 20, 2019
    Publication date: April 6, 2023
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan FENG, Yongqian LI, Dacheng ZHANG, Lang LIU
  • Patent number: 11620934
    Abstract: The invention provides a shift register, a drive method thereof, a gate drive circuit, and a display panel. Wherein, the shift register comprises: a display control circuit connected to a pull-up node, a first power terminal and a first control terminal; a sensing control circuit connected to the pull-up node, a second control terminal and a third control terminal and configured to store a potential of the pull-up node in a display mode under the control of the second control terminal and write the stored potential into the pull-up node in a sensing mode under the control of the third control terminal; and a first output circuit connected to the pull-up node, a first clock terminal and a first output terminal.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: April 4, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11622433
    Abstract: A display panel includes a drive substrate, a first electrode disposed on the drive substrate and located in a pixel region, and a pixel defining layer disposed on the first electrode and defining the pixel region. The display panel further includes a light-emitting structure layer disposed on the pixel defining layer, a second electrode disposed on the light-emitting structure layer, and a magnetic field disposed at least one pixel region, wherein a direction of the magnetic field forms an included angle with a plane of the drive substrate.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: April 4, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Xiang Wan
  • Publication number: 20230095733
    Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, a driving method and a display device. The display substrate includes a base substrate, gate lines, data lines and sub-pixels. The sub-pixels include sub-pixel columns corresponding to the data lines in a one-to-one manner. In a sub-pixel driving circuit of the sub-pixel, a driving transistor and a data writing transistor are located at a first side of an aperture area of the sub-pixel; a sensing transistor is located at a second side of the aperture area of the sub-pixel. The first side and the second side are opposite sides of the aperture area along the extension direction of the data lines. Gate electrodes of sensing transistors in a same sub-pixel row, and gate electrodes of data writing transistors in an adjacent next sub-pixel row, are all coupled to a gate line corresponding to the adjacent next sub-pixel row.
    Type: Application
    Filed: October 29, 2019
    Publication date: March 30, 2023
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Patent number: 11615743
    Abstract: A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first sub-circuit, a second sub-circuit, and a leakage prevention circuit. The first sub-circuit includes a first input circuit and a first output circuit, the first input circuit is configured to control a level of a first node in response to a first input signal. The second sub-circuit includes a second input circuit and the second output circuit. The leakage prevention circuit is connected to the first node, and is configured to control a level of the leakage prevention node under control of the level of the first node, so that a circuit connected between the first node and the leakage prevention node is turned off, and a circuit connected between the second node and the leakage prevention node is turned off.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: March 28, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li, Hao Liu
  • Publication number: 20230079091
    Abstract: A multiplexer circuit includes a first selection sub-circuit and a second selection sub-circuit. The first selection sub-circuit configured to transmit an input signal received at a input signal terminal to a first output terminal in response to a first control signal received at a first control terminal, and transmit a voltage of a power supply voltage terminal to the first output terminal in response to a second control signal received at a second control terminal. The second selection sub-circuit configured to transmit the input signal received at the input signal terminal to a second output terminal in response to a third control signal received at a third control terminal, and transmit the voltage of the power supply voltage terminal to the second output terminal in response to a fourth control signal received at a fourth control terminal.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 16, 2023
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Publication number: 20230080385
    Abstract: A display substrate has a display area and a peripheral area. The display substrate includes a plurality of sub-pixels, a plurality of groups of gate scan signal lines, and a plurality of groups of data lines. Each group of gate scan signal lines includes at least one gate scan signal line, each group of data lines includes n data lines, and the plurality of sub-pixels are arranged in an array; and n is greater than or equal to 2. A group of gate scan signal lines is electrically connected to n rows of sub-pixels. A column of sub-pixels is electrically connected to a group of data lines, and includes a plurality of groups of sub-pixels. Each group of sub-pixels includes n sub-pixels. The n sub-pixels are respectively electrically connected to n data lines in the group of data lines to which this column of sub-pixels is electrically connected.
    Type: Application
    Filed: October 13, 2021
    Publication date: March 16, 2023
    Applicants: Hefei BOE Joint Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN
  • Patent number: 11594183
    Abstract: The present disclosure provides a shift resister unit, a gate driving circuit, a display device, and a method for controlling a shift register unit. The shift register unit incudes a first input sub-circuit, a first output sub-circuit, a first reset sub-circuit, a second input sub-circuit, and a third input sub-circuit. The first input sub-circuit is configured to change a potential of a first node in a first phase. The first output sub-circuit is configured to output a gate driving signal in the first phase and output a compensation driving signal in a second phase. The first reset sub-circuit is configured to reset the first node. The second input sub-circuit is configured to change a potential of a second node in the first phase and maintain the potential of the second node. The third input sub-circuit is configured to change the potential of the first node in the second phase.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: February 28, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP GO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Publication number: 20230052249
    Abstract: A pixel circuit includes a data line, a sensing line, a first pixel sub-circuit and a second pixel sub-circuit. The first pixel sub-circuit includes a first writing unit, a first sensing unit and a first driving unit. The first driving unit is configured to drive a first light-emitting unit to emit light. The second pixel sub-circuit includes a second writing unit, a second sensing unit and a second driving unit. The second driving unit is configured to drive a second light-emitting unit to emit light. The first writing unit and the second sensing unit are both configured to be connected to a gate driving unit. The second writing unit and the first sensing unit are both configured to be connected to another gate driving unit.
    Type: Application
    Filed: September 14, 2022
    Publication date: February 16, 2023
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan FENG, Yongqian LI
  • Patent number: 11581372
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. At least one sub-pixel includes a storage capacitor. The storage capacitor includes a second capacitor electrode, a first capacitor electrode and a third capacitor electrode which are sequentially on the base substrate. The first capacitor electrode has a first capacitor electrode side and a second capacitor electrode side opposite to each other in the second direction, and the second capacitor electrode has a third capacitor electrode side and a fourth capacitor electrode side opposite to each other in the second direction; orthographic projections of the first capacitor electrode side and the second capacitor electrode side on the base substrate are between an orthographic projection of the third capacitor electrode side and an orthographic projection of the fourth capacitor electrode side on the base substrate.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: February 14, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Zhidong Yuan, Dacheng Zhang, Lang Liu
  • Publication number: 20230041664
    Abstract: A shift register unit includes a first input/output unit which includes a first pull-down control circuit and a first auxiliary input circuit, and a second input/output unit which includes a second pull-down control circuit and a second auxiliary input circuit. The first pull-down control circuit controls a level of a first pull-down node. The first auxiliary input circuit is coupled to the first pull-down control circuit and controls the first pull-down control circuit together with a level of a first pull-up node in response to a display control signal and a blanking control signal. The second pull-down control circuit controls a level of a second pull-down node. The second auxiliary input circuit is coupled to the second pull-to down control circuit and controls the second pull-down control circuit together with a level of a second pull-up node in response to the display control signal and the blanking control signal.
    Type: Application
    Filed: April 2, 2021
    Publication date: February 9, 2023
    Applicants: Hefei BOE Joint Technology Co.,Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan FENG, Yongqian LI
  • Patent number: 11575107
    Abstract: A packaging structure, a packaging method, and a display apparatus are disclosed. The packaging structure includes: a first substrate and a second substrate opposite to each other; a plurality of first sealing frames located between the first substrate and the second substrate, wherein the first substrate, the second substrate and the plurality of first sealing frames enclose a plurality of sealed cavities not communicating with each other, and each of the sealed cavities is configured to package at least one to-be-packaged unit of a to-be-packaged device; and a first filler located in the sealed cavity.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: February 7, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbin Jia, Xinwei Gao, Peng Li
  • Patent number: 11568820
    Abstract: A display panel, a display device, and a drive method are provided. The display panel includes a plurality of sub-pixel units arranged in an array and a gate drive circuit, and the array includes N rows. The gate drive circuit includes a plurality of cascaded shift register units and N+1 output terminals arranged in sequence, each of the plurality of cascaded shift register units is configured to output a gate scan signal for driving at least two rows of sub-pixel units in the N rows of the array to work; pixel drive circuits of an (n)-th row of sub-pixel units are connected to an (n)-th output terminal of the gate drive circuit to receive the gate scan signal as a scan drive signal, and sensing circuits of the (n)-th row of sub-pixel units are connected to an (n+1)-th output terminal of the gate drive circuit.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: January 31, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11568791
    Abstract: The present disclosure discloses a shift register, a gate driving circuit and a display device. The shift register includes a display pre-charge reset circuit, a sensing cascade circuit, a sensing pre-charge reset circuit, a pull-down control circuit and an output circuit, where the display pre-charge reset circuit, the sensing cascade circuit and the sensing pre-charge reset circuit share the same pull-down control circuit and the same output circuit, the output circuit is coupled to at least one signal output terminal, the output circuit includes output sub-circuits in one-to-one correspondence with the at least one signal output terminal, and each output sub-circuit is configured to write a driving clock signal into the corresponding signal output terminal in a display output stage and a sensing output stage in response to a control of a voltage of a pull-up node in an effective level state.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: January 31, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11562673
    Abstract: The present disclosure relates to the field of display technology and, in particular, to a gate driving structure, an array substrate, and a display device. The gate driving structure may include: a base substrate; a shift register formed on the base substrate, and including a plurality of thin film transistors and at least one capacitor, the capacitor being coupled to the thin film transistor; and a signal wiring group formed on the base substrate, and including a plurality of signal wirings spaced apart from each other, the signal wiring being coupled to the thin film transistor. An orthographic projection of the capacitor on the base substrate is at least partially overlapped with an orthographic projection of the signal wiring group on the base substrate.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: January 24, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Pan Xu
  • Patent number: 11562677
    Abstract: The present disclosure provides display apparatuses, gate drive circuits, shift register units and driving methods thereof. The shift register unit includes: an outputting module, configured to output a composite output signal under a control of a potential of a pull-up node; a pull-up module, configured to charge the pull-up node under a control of a display control signal terminal and charge the pull-up node under a control of a potential of a black insertion node; a first reset circuit configured to, under a control of the reset signal terminal and the potential of the black insertion node, control a voltage control node to communicate with the pull-up node; a current-limiting circuit, connected between the voltage control node and a first voltage terminal; and a charging module, configured to charge the voltage control node under the control of the potential of the pull-up node.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: January 24, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11545089
    Abstract: A pixel driving circuit, a display device and an electronic device are provided. The pixel driving circuit includes: a first sub-pixel driving circuit, a second sub-pixel driving circuit, a third sub-pixel driving circuit, and a fourth sub-pixel driving circuit sequentially arranged in a first direction; a detection line; a first power line extending in the second direction; and a second power line extending in the second direction, wherein one of the first power line and the second power line is provided on a side of the second sub-pixel driving circuit away from the third sub-pixel driving circuit, and the other of the first power line and the second power line is provided on a side of the third sub-pixel driving circuit away from the second sub-pixel driving circuit.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: January 3, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Meng Li, Yongqian Li, Chen Xu, Dacheng Zhang, Jingquan Wang, Shi Sun
  • Patent number: 11545093
    Abstract: A shift register, a gate driving circuit and a gate driving method are provided. The shift register includes: a display pre-charging reset circuit, a display noise reduction circuit and an output circuit, the output circuit is provided with at least one signal output terminal, and includes at least one output sub-circuit; the display pre-charging reset circuit is configured to write a first scanning voltage into a pull-up node in response to a control of a first signal input terminal; and write a second scanning voltage into the pull-up node in response to a control of a second signal input terminal; the display noise reduction circuit is configured to write the second scanning voltage into a pull-down node in response to the control of the first signal input terminal; and write the first scanning voltage into the pull-down node in response to the control of the second signal input terminal.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: January 3, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11539023
    Abstract: A display substrate and a manufacturing method thereof, and a display panel are provided. The display substrate includes a base substrate having a display region and a peripheral region adjacent to the display region, the peripheral region being provided therein with a gate driver-on-array circuit including a plurality of transistors and capacitors, all of the transistors are provided in a transistor region, at least a part of the plurality of capacitors are provided in a capacitor region, and the capacitor region is located on a side of the transistor region distal to the display region; and an encapsulation structure for encapsulating the display region and the transistor region together; the peripheral region further including a sealing region for arranging a sealing structure therein, the capacitor region is located in the sealing region, and the sealing region is provided on a side of the encapsulation structure distal to the display region.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 27, 2022
    Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Enming Xie
  • Patent number: 11538416
    Abstract: A shift register circuit includes a first input sub-circuit, an output sub-circuit and an output control sub-circuit. The first input sub-circuit transmits a signal received at a second signal input terminal to a pull-up node. The output sub-circuit transmits a signal received at a first clock signal terminal to a shift signal output terminal, and transmits a signal received at an output signal transmission terminal to a first scan signal output terminal. The output control sub-circuit transmits a signal received at a chamfering signal terminal to the first scan signal output terminal in a predetermined time before the first scan signal output terminal stops outputting the signal from the output signal transmission terminal. The chamfering signal terminal transmits a signal with a voltage amplitude within a variation range of a voltage amplitude of a signal of the first scan signal output terminal.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: December 27, 2022
    Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Xuehuan Feng, Yongqian Li