Patents by Inventor Han YUE

Han YUE 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: 20210366364
    Abstract: The embodiments of the present disclosure provide a driving circuit, a driving method thereof and a display apparatus, and relates to the field of display technology. The driving circuit is configured to drive a to-be-driven element and includes a driving element. The driving element and the to-be-driven element are coupled in series between a first operating voltage terminal and a second operating voltage terminal. The driving element comprises a driving sub-circuit, a writing sub-circuit and a gray scale control sub-circuit. The writing sub-circuit writes a first data voltage provided by the first data signal terminal into the driving sub-circuit. The gray scale control sub-circuit transmits the first operating voltage provided by the first operating voltage terminal to the driving sub-circuit. The driving sub-circuit generates a drive current. The gray scale control sub-circuit also controls an on-state duration of the current path.
    Type: Application
    Filed: June 28, 2019
    Publication date: November 25, 2021
    Inventors: Minghua XUAN, Xiaochuan CHEN, Han YUE, Ning CONG
  • Publication number: 20210366396
    Abstract: A pixel driving circuit, a pixel unit and a driving method therefor, an array substrate, and a display device for reducing mura phenomenon comprise: a data write sub-circuit for transmitting signals input by the data voltage terminal to a first node; an input and read sub-circuit for transmitting a signal input from a signal transmission terminal to a second node, or reading an electric signal of the second node to the signal transmission terminal; and an output control sub-circuit for transmitting a signal of a first voltage terminal to a drive sub-circuit, and transmitting a driving signal output by the drive sub-circuit to a driven circuit, wherein the drive sub-circuit outputs the driving signal under control of the signal of the first node and the signal of the first voltage terminal.
    Type: Application
    Filed: September 12, 2019
    Publication date: November 25, 2021
    Inventors: Minghua XUAN, Han YUE, Ning CONG, Xiaochuan CHEN
  • Publication number: 20210366347
    Abstract: The present application discloses a pixel driving circuit for generating a pixel luminance with multiple grayscale levels. The circuit includes a data input sub-circuit configured to input data signal once in each of multiple scans in one cycle time for displaying one frame of image. The circuit further includes a latch sub-circuit configured to latch a first voltage level in-phase with the data signal at the first node and a second voltage level out-of-phase with the data signal at a second node. Additionally, the circuit includes a data output sub-circuit configured to output a drive signal at a low voltage level under control of the first voltage level or at a high voltage level under control of the second voltage level. Furthermore, the circuit includes an emission-control sub-circuit configured to pass the drive signal to drive a light-emitting device in one partial time section of each of the multiple scans.
    Type: Application
    Filed: October 23, 2018
    Publication date: November 25, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Minghua Xuan, Xiaochuan Chen, Han Yue
  • Publication number: 20210366362
    Abstract: The present application discloses a pixel circuit for a light-emitting diode display panel. The pixel circuit includes a reset sub-circuit configured to initialize voltage levels of some nodes. Additionally, the pixel circuit includes a data-input and compensation sub-circuit configured to load a data signal and adjust the voltage levels of the nodes for determining a driving current flown through a driving sub-circuit. The pixel circuit further includes a voltage-control sub-circuit for controlling a switch sub-circuit to determine whether the driving current is flowing or not. Moreover, the pixel circuit includes an emission-control sub-circuit configured to control a partial time span in one scan for passing the driving current to the light-emitting diode to drive light emission. The one scan is one of multiple different scans in one cycle time of displaying one frame of image.
    Type: Application
    Filed: November 30, 2018
    Publication date: November 25, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Minghua Xuan, Han Yue, Xiaochuan Chen, Ning Cong
  • Publication number: 20210358387
    Abstract: The present disclosure relates to a pixel circuit. The pixel circuit may include at least one light emitting circuit. One of the at least one light emitting circuit may include an input sub-circuit, a latch sub-circuit, and an output sub-circuit. The input sub-circuit may be configured to transmit a signal at a data voltage terminal to the latch sub-circuit. The latch sub-circuit may be configured to generate a control signal in accordance with the signal at the data voltage terminal and store the control signal. The output sub-circuit may be configured to transmit one of a signal at a first voltage terminal and a signal at a second voltage terminal to a light emitting unit under control of the control signal.
    Type: Application
    Filed: December 12, 2018
    Publication date: November 18, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Minghua Xuan, Han Yue, Ning Cong, Xiaochuan Chen, Lei Wang
  • Publication number: 20210358389
    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: Application
    Filed: March 26, 2019
    Publication date: November 18, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han YUE, Minghua XUAN, Ning CONG, Xiaochuan CHEN, Can ZHANG, Can WANG, Ming YANG
  • Publication number: 20210358390
    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: Application
    Filed: April 11, 2019
    Publication date: November 18, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han YUE, Minghua XUAN, Ning CONG, Can ZHANG, Can WANG, Detao ZHAO, Xiaochuan CHEN
  • Patent number: 11176878
    Abstract: A flexible display screen, a bending detection method and device, a driving method are disclosed. The flexible display screen includes an array substrate, a light emitting device on a side of the array substrate, and an elastic conductor layer on a side of the array substrate distal to the light emitting device. The array substrate includes at least one target region, and a plurality of storage capacitors in each target region. The array substrate further includes a target electrode-plate including first electrode-plates of storage capacitors in the same target region. The target electrode-plate is electrically connected to a detecting signal terminal, and the detecting electrode-plate includes at least the target electrode-plate. The array substrate is configured to form a bending detection capacitor collectively by the detecting electrode-plate and the elastic conductor layer in response to the target electrode-plate receives detecting signal.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: November 16, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Lei Wang, Ming Yang, Can Wang, Ning Cong, Han Yue, Can Zhang, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11170716
    Abstract: A pixel circuit includes a light emitting element; a first switch transistor connected in series with the light emitting element between a first supply voltage terminal and a second supply voltage terminal, the first switch transistor including a gate electrode connected to a first node; and a storage circuit coupled to the first node and a reference voltage terminal for receiving a reference voltage, the storage circuit being configured to store the reference voltage in the storage circuit in response to an active signal on a scan line during a write phase, and to supply the stored reference voltage to the first node during a light emission phase in response to an active data signal on a data line to achieve light emission of the light emitting element, the active data signal having a duration indicating a magnitude of image data for the pixel circuit.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: November 9, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Xiao, Xiaochuan Chen, Minghua Xuan, Shengji Yang, Jie Fu, Lei Wang, Dongni Liu, Pengcheng Lu, Han Yue
  • Publication number: 20210342035
    Abstract: A touch display substrate, including touch electrodes, touch lines and sub-pixels, each sub-pixel includes a storage capacitor, a driving transistor, a switching element and a light emitting element, a first electrode and a second electrode of the storage capacitor are coupled to a gate electrode and a first electrode of the driving transistor, respectively, and a second electrode of the driving transistor, the switching element and the light emitting element are sequentially coupled in series, each touch electrode is coupled to one corresponding touch line through a via hole in an insulating layer between said each touch electrode and the corresponding touch line, and each touch electrode is formed by the second electrode of the storage capacitor in at least one sub-pixel, during a touch stage, the switching element decouples electrical coupling between the second electrode of the driving transistor and the light emitting element.
    Type: Application
    Filed: March 11, 2019
    Publication date: November 4, 2021
    Inventors: Detao ZHAO, Ming YANG, Han YUE, Dongni LIU, Li XIAO, Lei WANG, Minghua XUAN, Xiaochuan CHEN
  • Publication number: 20210335214
    Abstract: A pixel circuit and a driving method thereof, a display substrate, and a display device are provided. The pixel circuit includes a driving circuit and a compensation circuit, the compensation circuit can connect the output terminal with the second power terminal to receive a second power signal under control of the voltage signal of the control node and a level of the second driving node.
    Type: Application
    Filed: May 5, 2019
    Publication date: October 28, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han YUE, Xiaochuan CHEN, Minghua XUAN, Can ZHANG, Can WANG, Ming YANG
  • Publication number: 20210335212
    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: Application
    Filed: May 10, 2019
    Publication date: October 28, 2021
    Applicant: 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: 20210335213
    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 14, 2019
    Publication date: October 28, 2021
    Inventors: Ning CONG, Minghua XUAN, Han YUE, Ming YANG, Xiaochuan CHEN, Can ZHANG, Can WANG, Liang CHEN, Detao ZHAO
  • Patent number: 11158242
    Abstract: A driving circuit for driving a target element with a driving current, including: a current source circuit connect to the target element and a first data line, wherein the current source circuit is configured to receive a first data signal through the first data line, and to control the magnitude of the driving current provided to the target element based on the first data signal; a time control circuit connected to the current source circuit, a second data line, and a pulse signal terminal, wherein the time control circuit is configured to receive a second data signal through the second data line, and to receive a periodic pulse signal via the pulse signal terminal, and to control the duration of the driving current provided to the target element in every driving period based on the second data signal and the periodic pulse signal.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: October 26, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han Yue, Xiaochuan Chen, Minghua Xuan, Jing Yu
  • Publication number: 20210327966
    Abstract: The present application relates to a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a base plate, a plurality of pixel structures on the base plate, and a color resist layer on a side of the plurality of pixel structures away from the base plate. The color resist layer includes a plurality of color resist blocks, each color resist block corresponding to one or more of the plurality of pixel structures. Light emitted from each of the plurality of pixel structures has the same color as the color resist block corresponding thereto.
    Type: Application
    Filed: April 4, 2019
    Publication date: October 21, 2021
    Inventors: Can WANG, Can ZHANG, Xiaochuan CHEN, Minghua XUAN, Han YUE, Ming YANG, Ning CONG
  • Publication number: 20210296619
    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: Application
    Filed: February 12, 2018
    Publication date: September 23, 2021
    Inventors: Can WANG, Xiaochuan CHEN, Minghua XUAN, Can ZHANG, Ming YANG, Han YUE
  • Patent number: 11106296
    Abstract: A shift register unit includes an input circuit, a first control circuit, a second control circuit, a third control circuit, a first output circuit, and a second output circuit. The first and second output circuits selectively transfer a first reference voltage from a first reference voltage terminal and a third reference voltage from a third reference voltage terminal to an output terminal of the shift register unit. This allows the shift register unit to output a desired output signal in an easy manner.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: August 31, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Jing Lv, Xiaochuan Chen, Dongni Liu, Lei Wang, Pengcheng Lu, Jie Fu, Han Yue, Li Xiao
  • Publication number: 20210248977
    Abstract: A display panel, a method of manufacturing the display panel, a method of driving the display panel and a display device are provided. The display panel includes an array substrate and a plurality of micro light-emitting diodes arranged on the array substrate, and further includes: a photoelectric conversion structure in a one-to-one correspondence with a micro light-emitting diode, the photoelectric conversion structure is located on a side of the corresponding micro light-emitting diode facing the array substrate, connected to the corresponding micro light-emitting diode, and configured to convert a received light signal emitted by the micro light-emitting diode into an electrical signal, and charge the corresponding micro light-emitting diode by using the electrical signal. The display panel is used for display.
    Type: Application
    Filed: April 16, 2020
    Publication date: August 12, 2021
    Inventors: Can ZHANG, Han YUE, Minghua XUAN
  • Publication number: 20210249634
    Abstract: The present disclosure provides a display assembly and a virtual reality display device. The display assembly includes an electroluminescent element, a packaging layer and a light converging layer arranged sequentially. The light converging layer is configured to converge light emitted by the electroluminescent element and transmitted through the packaging layer. The electroluminescent element includes a plurality of pixels, the light converging layer is tightly attached to the packaging layer, and an orthogonal projection of each pixel onto a surface of the packaging layer to which the light converging layer is tightly attached is completely covered by the light converging layer.
    Type: Application
    Filed: March 18, 2020
    Publication date: August 12, 2021
    Inventors: Can WANG, Can ZHANG, Han YUE, Ming YANG, Ning CONG, Jiao ZHAO, Minghua XUAN
  • Publication number: 20210233461
    Abstract: A driving circuit for driving a target element with a driving current, including: a current source circuit connect to the target element and a first data line, wherein the current source circuit is configured to receive a first data signal through the first data line, and to control the magnitude of the driving current provided to the target element based on the first data signal; a time control circuit connected to the current source circuit, a second data line, and a pulse signal terminal, wherein the time control circuit is configured to receive a second data signal through the second data line, and to receive a periodic pulse signal via the pulse signal terminal, and to control the duration of the driving current provided to the target element in every driving period based on the second data signal and the periodic pulse signal.
    Type: Application
    Filed: December 16, 2019
    Publication date: July 29, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han YUE, Xiaochuan CHEN, Minghua XUAN, Jing YU