Patents by Inventor Can Zhang

Can Zhang 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).

  • Publication number: 20220180802
    Abstract: An array substrate including a plurality of pixel units arranged in a matrix is provided. Each pixel unit at least includes a first sub-pixel, a second sub-pixel and a third sub-pixel that emit light of different colors, the first sub-pixel has a lower luminous efficiency than the second and third sub-pixels. The array substrate further comprises a plurality of first gate lines and a plurality of second gate lines that correspond to respective rows of pixel units of the plurality of pixel units. The first sub-pixel in each row of pixel units of the plurality of pixel units is coupled to a first gate line of the plurality of first gate lines, and the second sub-pixel and the third sub-pixel in the row of pixel units of the plurality of pixel units are both coupled to a second gate line of the plurality of second gate lines.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Inventors: Ning CONG, Minghua XUAN, Han YUE, Ming YANG, Xiaochuan CHEN, Can ZHANG, Can WANG, Liang CHEN, Detao ZHAO
  • Patent number: 11355572
    Abstract: The present disclosure provides a display substrate and a manufacturing method thereof, a display panel and a manufacturing method and a driving method thereof, and a display apparatus. The display substrate includes: a base substrate; and a first electrode, a signal line, and an organic layer between the first electrode and the signal line, all of which are on the base substrate, wherein the display substrate further comprises a conductive pillar configured to penetrate the organic layer and electrically connect the first electrode to the signal line.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: June 7, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Zhang, Can Wang, Han Yue, Ming Yang, Ning Cong
  • Patent number: 11342376
    Abstract: Provided are a light emitting diode, a display substrate and a transfer method. The transfer method includes: preparing a transfer substrate and the display substrate respectively, wherein the transfer substrate includes a plurality of light emitting diodes arranged in a matrix; aligning the transfer substrate with the display substrate, wherein first magnetic layers of the light emitting diodes on the transfer substrate correspond to second magnetic layers of the sub-pixels on the display substrate one by one; and driving the transfer substrate to approach the display substrate, so that the light emitting diodes on the transfer substrate are positioned to fall onto the sub-pixels of the display substrate by action of magnetic attraction forces generated by the first magnetic layers and the second magnetic layers.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 24, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Can Zhang
  • Patent number: 11341898
    Abstract: A pixel driving circuit, a pixel driving method and a display device are provided. The pixel driving circuit includes a pixel sub-circuit and a power supply control sub-circuit, the pixel sub-circuit includes a first connection terminal, a second connection terminal and a light-emitting element, and is configured to respectively receive a first voltage and a second voltage to drive the light-emitting element to emit light. The power supply control sub-circuit is configured to, in a first state, control the first power supply terminal to provide the first voltage to the first connection terminal of the pixel sub-circuit, control the second power supply terminal to provide the second voltage to the second connection terminal of the pixel sub-circuit, and store energy; and in a second state, release the energy to the first connection terminal and the second connection terminal of the pixel sub-circuit to drive the light-emitting element to emit light.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han Yue, Minghua Xuan, Ning Cong, Xiaochuan Chen, Can Zhang, Can Wang, Ming Yang
  • Patent number: 11335241
    Abstract: What is described above are optional embodiments of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and refinements may be made without departing from the principle of the present disclosure. These modifications and refinements should also be considered to be within the scope of the present disclosure. What is described above are optional embodiments of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and refinements may be made without departing from the principle of the present disclosure. These modifications and refinements should also be considered to be within the scope of the present disclosure.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: May 17, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han Yue, Minghua Xuan, Ning Cong, Can Zhang, Can Wang, Detao Zhao, Xiaochuan Chen
  • Publication number: 20220139297
    Abstract: Embodiments of the present disclosure disclose a drive circuit, a driving method thereof and a display device. The drive circuit includes: a current control circuit, configured to provide a drive signal to a device to be driven according to a signal of a data signal terminal; a first transistor, electrically connected between the current control circuit and the device to be driven; and a duration control circuit, electrically connected with a gate of the first transistor, and configured to provide a light-emitting duration modulating signal to the gate of the first transistor according to a combined action of signals of a scanning signal terminal, a light-emitting control signal terminal, a duration control signal terminal and a reference voltage signal terminal, to control a conduction duration of the first transistor.
    Type: Application
    Filed: July 18, 2019
    Publication date: May 5, 2022
    Inventors: Ming YANG, Ning CONG, Minghua XUAN, Can ZHANG, Xiaochuan CHEN, Can WANG, Han YUE, Jiao ZHAO, Angran ZHANG
  • Publication number: 20220139322
    Abstract: Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display apparatus. The pixel circuit includes a pixel sub-circuit. The pixel sub-circuit includes a first adjusting circuit and a second adjusting circuit. The first adjusting circuit is configured to receive a first data signal and a light emitting control signal to control a magnitude of a driving current used for driving a light emitting element to emit light; the second adjusting circuit is configured to receive a second data signal and a time control signal to control a time duration in which the driving current is applied to the light emitting element; and the time control signal changes within a time period during which the light emitting control signal allows the driving current to be generated.
    Type: Application
    Filed: August 14, 2019
    Publication date: May 5, 2022
    Inventors: Can WANG, Han YUE, Can ZHANG, Minghua XUAN, Ming YANG
  • Patent number: 11322724
    Abstract: The present disclosure relates to the field of display, and specifically provides a display substrate, a fabricating method thereof, and a corresponding display device. The display substrate includes a first transparent electrode and a second reflective electrode opposite to each other, a light emitting layer between the first transparent electrode and the second reflective electrode, an organic material layer on a side of the first transparent electrode away from the light emitting layer, and a transflective layer on a side of the organic material layer away from the light emitting layer.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: May 3, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Zhang, Can Wang
  • Patent number: 11315479
    Abstract: An array substrate including a plurality of pixel units arranged in a matrix is provided. Each pixel unit at least includes a first sub-pixel, a second sub-pixel and a third sub-pixel that emit light of different colors, the first sub-pixel has a lower luminous efficiency than the second and third sub-pixels. The array substrate further comprises a plurality of first gate lines and a plurality of second gate lines that correspond to respective rows of pixel units of the plurality of pixel units. The first sub-pixel in each row of pixel units of the plurality of pixel units is coupled to a first gate line of the plurality of first gate lines, and the second sub-pixel and the third sub-pixel in the row of pixel units of the plurality of pixel units are both coupled to a second gate line of the plurality of second gate lines.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning Cong, Minghua Xuan, Han Yue, Ming Yang, Xiaochuan Chen, Can Zhang, Can Wang, Liang Chen, Detao Zhao
  • Patent number: 11315475
    Abstract: A pixel driving circuit includes: current control sub-circuit outputting driving current in response to light emission control signal of the light emission control signal terminal; time control sub-circuit transmitting time modulation signal of the time modulation signal terminal to the third control terminal in response to time control signal of the time control signal terminal, and controlling time during which the driving current flows through the light emitting element; initial time control sub-circuit transmitting initial control signal of the initial control signal terminal to the output terminal of the initial time control sub-circuit in response to initial time control signal of the initial time control signal terminal. Time control sub-circuit controls the time during which the driving current flows through the light emitting element in response to time modulation signal transmitted to the third control terminal and initial control signal transmitted to the third control terminal.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: April 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua Xuan, Ning Cong, Dongni Liu, Can Zhang
  • Publication number: 20220123044
    Abstract: A light emitting plate, a wiring plate and a display device are provided. The light emitting plate includes a base substrate; and light emitting units on the base substrate. Each of the light emitting units includes a light emitting sub-unit, the light emitting sub-unit includes a connection line unit and a light emitting diode chip connected with the connection line unit. The connection line unit includes at least two electrical contact pairs, and each of the at least two electrical contact pairs includes a first electrode contact and a second electrode contact; in each connection line unit, the second electrode contacts are electrically connected with each other, the first electrode contacts are electrically connected with each other, and only one of the at least two electrical contact pairs in each connection line unit is connected with the light emitting diode chip.
    Type: Application
    Filed: January 21, 2020
    Publication date: April 21, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming YANG, Wei HAO, Qibing GU, Guofeng HU, Lingyun SHI, Minghua XUAN, Can ZHANG
  • Patent number: 11308860
    Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: April 19, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ning Cong, Minghua Xuan, Han Yue, Ming Yang, Xiaochuan Chen, Detao Zhao, Liang Chen, Can Zhang, Can Wang
  • Publication number: 20220115622
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes: a base substrate; an anode structure, disposed on the base substrate; a light emitting layer, disposed on a side of the anode structure away from the base substrate; and a cathode layer, disposed on a side of the light emitting layer away from the base substrate, the anode structure includes a reflective layer and an inorganic layer disposed on a side of the reflective layer away from the base substrate, the cathode layer includes a transflective layer, and the inorganic layer is configured to adjust a distance between the reflective layer and the transflective layer.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 14, 2022
    Inventor: Can ZHANG
  • Patent number: 11289026
    Abstract: The present disclosure provides a pixel circuit, including: a pixel driving circuit coupled to a gate line and a data line and configured to generate a driving current based on a data signal provided by the data line in response to a gate driving signal provided by the gate line and output the driving current through a current output terminal; and a shunt circuit coupled to the gate line and a first control signal line, and configured to control connection/disconnection between a first signal input terminal and a first signal output terminal in response to the gate driving signal and a first control signal provided by the first control signal line. The current output terminal is coupled to a first terminal of a light emitting device and the first signal input terminal, and the first signal output terminal is coupled to a to-be-charged pixel circuit.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: March 29, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Yang, Can Zhang, Shengji Yang, Weihai Wang, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11283052
    Abstract: A display panel and a method for manufacturing the display panel are provided. The display substrate includes a plurality of sub-pixels; an anti-reflection layer provided on a light-exiting side of the display panel at positions respectively corresponding to the sub-pixels; a dielectric layer provided between the sub-pixels and the anti-reflection layer; the anti-reflection layer has a thickness enabling a first light and a second light to be not in-phase; the first light is a portion of ambient light reflected by a surface of the anti-reflection layer away from the sub-pixel; the second light is a portion of the ambient light sequentially refracted by and passing through the surface of the anti-reflection layer away from the sub-pixel, entering the anti-reflection layer, reflected by an interface between the anti-reflection layer and the dielectric layer, refracted by the surface of the anti-reflection layer away from the sub-pixel and entering environment.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: March 22, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Xiaochuan Chen, Minghua Xuan, Can Zhang, Ming Yang, Han Yue
  • Publication number: 20220084456
    Abstract: A pixel driving circuit includes: current control sub-circuit outputting driving current in response to light emission control signal of the light emission control signal terminal; time control sub-circuit transmitting time modulation signal of the time modulation signal terminal to the third control terminal in response to time control signal of the time control signal terminal, and controlling time during which the driving current flows through the light emitting element; initial time control sub-circuit transmitting initial control signal of the initial control signal terminal to the output terminal of the initial time control sub-circuit in response to initial time control signal of the initial time control signal terminal. Time control sub-circuit controls the time during which the driving current flows through the light emitting element in response to time modulation signal transmitted to the third control terminal and initial control signal transmitted to the third control terminal.
    Type: Application
    Filed: October 30, 2020
    Publication date: March 17, 2022
    Inventors: Minghua XUAN, Ning CONG, Dongni LIU, Can ZHANG
  • Patent number: 11271065
    Abstract: The embodiments of the present application provide a display substrate, a light field display apparatus, and a method for driving the same. The display substrate includes: a base substrate; a light emitting block on the base substrate, wherein the light emitting block comprises a plurality of first light emitting units, and each of the first light emitting units comprises a plurality of first light emitting points which are located at a plurality of predetermined positions in the first light emitting unit respectively; and first driving leads each electrically connected to first light emitting points located at the same predetermined positions in the respective first light emitting units and configured to receive a first driving signal from a driving circuit.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: March 8, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Yang, Minghua Xuan, Can Zhang, Can Wang, Han Yue, Ning Cong, Jiayao Liu
  • Patent number: 11244598
    Abstract: The present application discloses pixel circuit including a current-control circuit coupled respectively to a first data-signal terminal, a first voltage terminal, a first scan-signal terminal, and a first output node. The current-control circuit is configured to output a driving current to the first output node based on a first data signal and a first voltage signal in response to a first scan signal. The pixel circuit further includes a timing-control circuit coupled respectively to a second data-signal terminal, a second scan-signal terminal, multiple modulation-signal terminals, the first output node, and a second output node. The timing-control circuit is configured to select one modulation signal based on a second data signal in response to a second scan signal and to output the driving current from the current-control circuit via the second output node to a light-emitting device based on the modulation signal.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: February 8, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Han Yue, Xiaochuan Chen, Minghua Xuan, Can Zhang, Can Wang, Ming Yang, Ning Cong
  • Publication number: 20220036821
    Abstract: A pixel driving circuit includes a current controlling module, an outputting module and a time length controlling module including a comparator, a first energy storage element, an offset voltage writing sub-circuit, and first and second output sub-circuits. First terminal of first energy storage element is connected with first input terminal of comparator and second terminal with the first output sub-circuit. The second output sub-circuit is connected with second input terminal of comparator. The offset voltage writing sub-circuit writes an offset voltage of comparator to the first energy storage element. One of the first and second output sub-circuits outputs time signal and the other outputs reference voltage signal. The comparator outputs comparison signal according to the time signal and the reference voltage signal. The current controlling module outputs current signal.
    Type: Application
    Filed: March 16, 2021
    Publication date: February 3, 2022
    Inventors: Ning CONG, Minghua XUAN, Can ZHANG, Xiaochuan CHEN, Lijun YUAN, Qi QI
  • Patent number: 11233215
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes: a base substrate; an anode structure, disposed on the base substrate; a light emitting layer, disposed on a side of the anode structure away from the base substrate; and a cathode layer, disposed on a side of the light emitting layer away from the base substrate, the anode structure includes a reflective layer and an inorganic layer disposed on a side of the reflective layer away from the base substrate, the cathode layer includes a transflective layer, and the inorganic layer is configured to adjust a distance between the reflective layer and the transflective layer.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: January 25, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Can Zhang