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).

  • Patent number: 11600747
    Abstract: A display backplane includes a base, a plurality of driving electrodes disposed above the base, and a connection structure disposed on at least one of the plurality of driving electrodes. An orthographic projection of the connection structure on the base is within an orthographic projection of a corresponding driving electrode on the base; and the connection structure includes at least one conductive portion disposed at a first included angle with the corresponding driving electrode.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: March 7, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiwei Liang, Yingwei Liu, Han Yue, Minghua Xuan, Hsuanwei Mai, Zhanfeng Cao, Ke Wang, Huijuan Wang, Guangcai Yuan, Zhijun Lv, Xinhong Lu
  • Publication number: 20220415976
    Abstract: A display panel includes: a base substrate, light-emitting devices on the base substrate, and barrier structures. The light-emitting device includes: a first electrode and a second electrode arranged in a stacked manner, and a light-emitting functional layer between the first electrode and the second electrode. The barrier structures are located on a film layer between the light-emitting functional layer and the base substrate. The orthographic projection of the barrier structure on the base substrate is between the orthographic projections of adjacent light-emitting devices on the base substrate. The barrier structure is configured to generate, under the control of an electrical signal, an electric field in a direction perpendicular to a plane where the base substrate is located.
    Type: Application
    Filed: January 19, 2021
    Publication date: December 29, 2022
    Inventors: Han YUE, Can ZHANG, Minghua XUAN, Xiaochuan CHEN
  • Patent number: 11532803
    Abstract: A method of manufacturing a display panel includes providing a base substrate and forming a plurality of anodes above the base substrate; forming a photoresist layer above a side of the base substrate above which the plurality of anodes are formed, the photoresist layer including a plurality of openings and each opening corresponding to at least one anode; and forming a plurality of light emitting layers and a cathode layer sequentially above a side of the base substrate above which the plurality of anodes and the photoresist layer are formed, the cathode layer including a plurality of cathode films and each cathode film corresponding to a single opening.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: December 20, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Pengcheng Lu, Xiaochuan Chen, Shengji Yang, Kuanta Huang, Minghua Xuan, Lei Wang, Yanming Wang, Dongni Liu, Han Yue, Weihai Wang
  • Publication number: 20220383800
    Abstract: The present disclosure discloses a pixel drive circuit and a display panel. The pixel drive circuit includes a Micro-LED, a cathode of which is grounded; a light-emitting control circuit connected with an anode of the Micro-LED and configured to control an emission time of the Micro-LED; a current control circuit connected with the light-emitting control circuit and configured to output a preset current to the light-emitting control circuit to control the Micro-LED to work under a set current density, and luminance efficiency of the Micro-LED under the set current density is greater than a set threshold value.
    Type: Application
    Filed: April 27, 2020
    Publication date: December 1, 2022
    Inventors: Ning CONG, Ming YANG, Han YUE, Can WANG, Can ZHANG, Jiao ZHAO, Minghua XUAN, Xiaochuan CHEN
  • Patent number: 11501713
    Abstract: The disclosure provides a pixel circuit and a driving method thereof, a display device. The pixel circuit includes: a storage capacitor having a first terminal coupled to a first node and a second terminal coupled to a second node; a light emitting diode having a first electrode coupled to a third node and a second electrode coupled to a second power supply terminal; a data writing circuit configured to write a data voltage into the second node; a compensation circuit configured to write a voltage of the third node, as a compensation voltage, into the first node; a driving transistor having a control terminal coupled to the first node, a first electrode coupled to a first power supply terminal and a second electrode coupled to the light emitting control circuit; a light emitting control circuit configured to control the light emitting diode to emit light.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: November 15, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Han Yue, Can Zhang, Can Wang, Minghua Xuan
  • Publication number: 20220354752
    Abstract: Described herein is a nanofibre matrix comprising 100% natural biopolymers selected from polysaccharides and/or proteins with optional functional ingredients for use as cosmetic products. More specifically, nanofibre matrix manufactured by electrospinning methods comprising a dry sheet without containing any preservatives, surfactants, solvents and crosslinkers. To use nanofibre cosmetic products, simply wet skin and then apply the nanofibre to skin. Functional ingredients may be optionally incorporated within the nanofibre matrix during electrospinning to provide different cosmetic effects. Functional ingredients offer skin benefits such as moisturizing, anti-ageing, wrinkle reduction, brightening, antioxidant and acne treatment. Functional ingredients can be essential oil where it is incorporated into nanofibre matrix to provide scent effect to cosmetic products. Functional ingredients can also be natural dye where it is incorporated in nanofibre matrix to make coloured nanofibres.
    Type: Application
    Filed: October 8, 2020
    Publication date: November 10, 2022
    Inventors: Bhuvaneswari KANNAN, Iain Cameron HOSIE, Han Yue ZHENG
  • Patent number: 11475864
    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: Grant
    Filed: April 16, 2020
    Date of Patent: October 18, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Can Zhang, Han Yue, Minghua Xuan
  • Publication number: 20220327996
    Abstract: A pixel driving circuit includes: a driving sub-circuit configured to supply a driving signal to an element to be driven; a detection sub-circuit electrically connected to a detection control signal terminal and a detection node and configured to detect a voltage value of the detection node in response to a detection control signal received at the detection control signal terminal. The detection node is equivalent to a point on a connection line between the driving sub-circuit and the element to be driven.
    Type: Application
    Filed: September 5, 2019
    Publication date: October 13, 2022
    Inventors: Han YUE, Minghua XUAN, Can ZHANG, Can WANG, Ming YANG, Ning CONG, Angran ZHANG, Jiao ZHAO, Xiaochuan CHEN
  • Patent number: 11468825
    Abstract: The present disclosure provides a pixel circuit including: a current control circuit and a time control circuit, the time control circuit includes: a first resetting sub-circuit configured to write a reference voltage and a first initialization voltage to a first node and a second node, respectively; a first data writing sub-circuit configured to write a first data voltage to the first node; a first threshold compensation sub-circuit configured to perform threshold compensation on a transistor within a switch sub-circuit; a ramp writing sub-circuit configured to write a preset ramp signal to the first node; and the switch sub-circuit configured to control electrical coupling and decoupling between a third node and a fourth node. The present disclosure further provides a driving method of the pixel circuit and a display device.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 11, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Minghua Xuan, Qi Qi, Jing Liu, Han Yue, Dongni Liu
  • Publication number: 20220319379
    Abstract: A pixel driving circuit for generating a pixel luminance with multiple grayscale levels is provided. The pixel driving circuit includes a data input sub-circuit configured to input data signal once in a respective scan of n scans in one cycle time for displaying one frame of image; 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; 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; and an emission-control sub-circuit configured to pass the drive signal to drive a light-emitting device in one partial time section of the respective scan of n scans.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 6, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Minghua Xuan, Xiaochuan Chen, Han Yue
  • Publication number: 20220319401
    Abstract: A pixel driving circuit includes a driving control sub-circuit having a first driving sub-circuit and a time control sub-circuit having a second driving sub-circuit. The driving control sub-circuit is configured to: be connected to an element to be driven, write a first data signal into the first driving sub-circuit, enable the first driving sub-circuit to output a driving signal to drive the element to operate. The time control sub-circuit is configured to: write a second voltage signal and a second data signal into the second driving sub-circuit, write a fourth voltage signal into the second driving sub-circuit, connect the second driving sub-circuit to a third voltage signal terminal and the first driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to the first driving sub-circuit to enable the first driving sub-circuit to stop outputting the driving signal to control operating duration of the element.
    Type: Application
    Filed: October 22, 2020
    Publication date: October 6, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han YUE, Can WANG
  • Publication number: 20220310018
    Abstract: A pixel driving circuit includes a data writing sub-circuit, a driving sub-circuit, and a control sub-circuit. The data writing sub-circuit is configured to: in response to a first scanning signal and a third scanning signal, write a first data signal into the driving sub-circuit; and in response to a second scanning signal and the third scanning signal, write a second data signal into the driving sub-circuit. The control sub-circuit is configured to, in response to an enable signal, connect a driving transistor to a first power supply voltage signal terminal and an element to be driven. The driving sub-circuit is configured to: according to the first data signal and a first power supply voltage signal, output a driving to signal; and according to the second data signal and the first power supply voltage signal, control an operating state of the element to be driven.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Applicant: BOE TECHNOLOGY CROUP CO., LTD.
    Inventors: Dongni LIU, Minghua XUAN, Xiaochuan CHEN, Xue DONG, Haoliang ZHENG, Han YUE, Ning CONG
  • Publication number: 20220285455
    Abstract: The present application relates to a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate, a plurality of pixel structures on the base substrate, and a color resist layer on a side of the plurality of pixel structures facing away the base substrate. The color resist layer includes a plurality of color resist blocks in one-to-one correspondence with 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: May 24, 2022
    Publication date: September 8, 2022
    Inventors: Can WANG, Can ZHANG, Xiaochuan CHEN, Minghua XUAN, Han YUE, Ming YANG, Ning CONG
  • Publication number: 20220285454
    Abstract: The present application relates to a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate, a plurality of pixel structures on the base substrate, and a color resist layer on a side of the plurality of pixel structures facing away the base substrate. The color resist layer includes a plurality of color resist blocks in one-to-one correspondence with 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: May 24, 2022
    Publication date: September 8, 2022
    Inventors: Can WANG, Can ZHANG, Xiaochuan CHEN, Minghua XUAN, Han YUE, Ming YANG, Ning CONG
  • Patent number: 11430372
    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: Grant
    Filed: December 12, 2018
    Date of Patent: August 30, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua Xuan, Han Yue, Ning Cong, Xiaochuan Chen, Lei Wang
  • Patent number: 11417272
    Abstract: A pixel circuit and driving method are provided. The pixel circuit includes a light emitting device having a first terminal and a second terminal; a driving circuit, electrically connected to the first terminal of the light emitting device, for providing power to the light emitting device; a voltage comparator for generating a pulse width modulated signal having a duty cycle based on a data voltage and a reference voltage; an offset voltage detecting circuit, electrically connected to an output terminal of the voltage comparator, for detecting an input offset voltage of the voltage comparator; and a data voltage compensation circuit, electrically connected to the offset voltage detecting circuit, for compensating the data voltage according to the input offset voltage detected.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: August 16, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ming Yang, Ning Cong, Han Yue, Can Zhang, Can Wang, Jiao Zhao, Angran Zhang, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11404486
    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: Grant
    Filed: April 4, 2019
    Date of Patent: August 2, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Can Zhang, Xiaochuan Chen, Minghua Xuan, Han Yue, Ming Yang, Ning Cong
  • Patent number: 11398527
    Abstract: A display substrate includes a driving substrate and a stacked structure disposed at a side of the driving substrate. The stacked structure includes a plurality of emission layers and a plurality of carrier transport layers that are stacked in a direction perpendicular to the side of the driving substrate. The stacked structure forms a plurality of light-emitting devices, and each light-emitting device includes at least two emission portions that are respectively located in at least two emission layers. The plurality of light-emitting devices include a plurality of first light-emitting devices and a plurality of second light-emitting devices. Emission portions in each first light-emitting device are separated from each other. At least two emission portions in each second light-emitting device are adjacent to each other, and the at least two adjacent emission portions share at least one carrier transport layer.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: July 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Can Zhang, Ming Yang, Han Yue, Ning Cong, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11398178
    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: Grant
    Filed: October 23, 2018
    Date of Patent: July 26, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Minghua Xuan, Xiaochuan Chen, Han Yue
  • Patent number: 11398459
    Abstract: Disclosed are a display substrate and a manufacturing method therefor and a display device thereof. The display substrate includes: a drive backplate, and a plurality of micro LEDs and a retaining wall structure on the drive backplate; wherein a center of a light-emitting layer in the micro LED deviates from a center of the micro LED; the retaining wall structure is of an annular shape; the retaining wall structure corresponds to at least one micro LED in the display substrate; and a center of a surrounding region of the retaining wall structure in the drive backplate is located within a circumscribing region of a region where a light-emitting layer of the at least one micro LED is located.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: July 26, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Jiao Zhao, Han Yue, Can Zhang, Minghua Xuan