Patents by Inventor Detao ZHAO

Detao ZHAO 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: 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: 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
  • Patent number: 11226520
    Abstract: A display substrate includes: a plurality of sub-pixel regions at a first base substrate, each of the plurality of sub-pixel regions including a light-blocking region and aperture regions located at opposing sides of the light-blocking region; and a first transparent electrode and a second transparent electrode within each of the plurality of sub-pixel regions, configured to drive a liquid crystal layer; wherein the first transparent electrode includes a first electrode unit located inside the light-blocking region and including a plurality of first sub-electrodes, wherein each of the plurality of first sub-electrodes are separated from two adjacent first sub-electrodes by a separation distance; and wherein the separation distance between two adjacent first sub-electrodes nearest to a center line of the light-blocking region is smaller than the separation distance between two adjacent first sub-electrodes nearest to an edge of the light-blocking region.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: January 18, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Li Xiao, Lei Wang, Dongni Liu, Liang Chen, Jifeng Tan, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11226518
    Abstract: A display panel, a sealant coating device and a method for sealant coating are provided. The display panel includes a display area and a peripheral area and further includes oleophobic sealant provided in the peripheral area on a side near the display area and hydrophobic sealant provided in the peripheral area on a side away from the display area and surrounding the oleophobic sealant.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: January 18, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Yangheng Li, Gang Yu, Bin Li
  • Patent number: 11227534
    Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting, control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n?1)th gate line or a 2nth gate line.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: January 18, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Lei Wang, Minghua Xuan, Xiaochuan Chen, Shengji Yang, Liang Chen, Li Xiao, Zheng Fang, Detao Zhao, Pengcheng Lu
  • Publication number: 20220014394
    Abstract: A path construction method and related devices are disclosed. The method may include: advertising, by a second PE node, a first VPN route to a first PE node through an MP-BGP signaling channel, such that the first PE node is able to determine a label forwarding path to a first VPN Prefix based on a first transmission path descriptor (TPD) carried in the first VPN route received; where the first TPD is configured to identify the label forwarding path for a first VPN message to reach a BGP next hop.
    Type: Application
    Filed: August 30, 2019
    Publication date: January 13, 2022
    Inventors: Detao ZHAO, Shaofu PENG
  • Patent number: 11217182
    Abstract: The present disclosure provides a power source voltage application circuit, including a power source voltage output end, an energy storage sub-circuitry, a resetting sub-circuitry and an output control sub-circuitry. A first end of the energy storage sub-circuitry is connected to a first node, and a second end of the energy storage sub-circuitry is connected to a second node. The resetting sub-circuitry is connected to a resetting control end, a reference voltage input tend, the first node, the second node and an initial voltage input end respectively. The output control sub-circuitry is connected to an output control end, a first voltage input end, the first node, the second node and the power source voltage output end respectively.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua Xuan, Lei Wang, Xiaochuan Chen, Dongni Liu, Detao Zhao
  • Patent number: 11211007
    Abstract: A pixel structure and a method of driving the same, a display panel and a display device. The pixel structure includes: at least two pixel circuits and a conduction control circuit connected to the at least two pixel circuits. The conduction control circuit is configured to connect the at least two pixel circuits in parallel in response to a first control signal and to connect the at least two pixel circuits in series in response to a second control signal.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: December 28, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Chen, Lei Wang, Li Xiao, Dongni Liu, Minghua Xuan, Xiaochuan Chen, Shengji Yang, Detao Zhao
  • Publication number: 20210375204
    Abstract: The present disclosure relates to a pixel circuit, a driving method therefor, and a display apparatus. The pixel circuit includes an input sub-circuit, a light emission control sub-circuit and an organic light-emitting transistor. The input sub-circuit is coupled to a gate line, a data line and the light emission control sub-circuit and writes a data signal supplied via the data line into the light emission control sub-circuit under control of a gate scan signal supplied via the gate line. The light emission control sub-circuit is coupled to a control electrode of the organic light-emitting transistor and controls a control electrode voltage of the organic light-emitting transistor according to a written data signal to drive the organic light-emitting transistor to emit light. With the pixel circuit according to embodiments of the present disclosure, active driving of an organic light-emitting transistor is achieved when it is applied in a display apparatus.
    Type: Application
    Filed: August 7, 2019
    Publication date: December 2, 2021
    Inventors: Liang CHEN, Lei WANG, Li XIAO, Dongni LIU, Detao ZHAO, Ning CONG, Minghua XUAN, Shengji YANG, Xiaochuan CHEN
  • Publication number: 20210375203
    Abstract: A display panel and a driving method thereof, and a display device are disclosed. The display panel includes a plurality of sub-pixel unit groups arranged in an array, the array includes a plurality of rows and a plurality of columns, each of the sub-pixel unit groups includes N sub-pixel units disposed along a column direction and a pixel driving circuit each of the N sub-pixel units includes a light-emitting circuit the pixel driving circuit is electrically connected to the light-emitting circuits of the N sub-pixel units, and the pixel driving circuit is configured to provide light-emitting driving currents to the light-emitting circuits of the N sub-pixel units.
    Type: Application
    Filed: January 15, 2019
    Publication date: December 2, 2021
    Inventors: Liang CHEN, Lei WANG, Dongni LIU, Li XIAO, Xiaochuan CHEN, Minghua XUAN, Shengji YANG, Pengcheng LU, Detao ZHAO, Ning CONG
  • Publication number: 20210358384
    Abstract: The present disclosure relates to the field of display technologies, and in particular, to a shift register circuit and a display device. The shift register circuit may include a plurality of GOAs for outputting scan signals to a plurality of pixel driving circuits and a plurality of EOAs for outputting control signals to the plurality of pixel driving circuits, where the GOAs and the EOAs are alternately arranged in a straight line.
    Type: Application
    Filed: April 30, 2019
    Publication date: November 18, 2021
    Inventors: Dongni LIU, Minghua XUAN, Lei WANG, Xiaochuan CHEN, Liang CHEN, Li XIAO, Detao ZHAO, Shengji YANG, Pengcheng LU, Zheng FANG
  • Publication number: 20210356819
    Abstract: Provided is a display substrate (100). The display substrate (100) may include a first base substrate (101). The first base substrate (101) may have a plurality of sub-pixel regions (102). Each of the plurality of sub-pixel regions (102) may include a light shielding region (103) and opening regions (104) respectively on both sides of the light shielding region (103). The display substrate (100) may further include a first transparent electrode (1) in each of the plurality of sub-pixel regions (102). The first transparent electrode (1) may include a first electrode unit (10) in the light shielding region (103), and the first electrode unit (10) may include a plurality of first strip electrodes (11) separated from one another. At least one of the plurality of first strip electrodes (11) forms an acute angle with a reference direction, the reference direction being a direction along which the light shielding region (103) and the opening regions (104) are arranged.
    Type: Application
    Filed: May 15, 2019
    Publication date: November 18, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Li Xiao, Dongni Liu, Lei Wang, Liang Chen, Jifeng Tan, Minghua Xuan, Xiaochuan Chen
  • 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: 11177294
    Abstract: An array substrate, a manufacturing method thereof and a display device are provided. A display unit is disposed on a first surface of a base substrate, and a driving circuit is disposed on a second surface of the base substrate opposite to the first surface, the driving circuit is electrically connected with the display unit through a signal connection structure in at least one via structure, a longitudinal section of the at least one via hole is a trapezoid, and a length of a bottom edge of the trapezoid at one side of the trapezoid close to the display unit is larger than a length of a bottom edge of the trapezoid at one side of the trapezoid away from the display unit.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: November 16, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan, Li Xiao, Detao Zhao, Liang Chen, Hao Chen
  • Publication number: 20210350747
    Abstract: A pixel circuit, a display panel, and a display device comprising the pixel circuit. The pixel circuit comprises a light emitting element and a driving circuit. The driving circuit comprises a light emission driving circuit for driving the light emitting element to emit light, and a light sensing driving circuit for controlling the light emitting element to convert external light incident on the light emitting element into an electrical signal. The pixel circuit integrates the light emission driving circuit with the light sensing driving circuit and can achieve the light sensing function for the screen of the display device, which makes it possible to not reserve an area dedicated to a camera on the surface of the display device.
    Type: Application
    Filed: January 2, 2019
    Publication date: November 11, 2021
    Inventors: Liang CHEN, Lei WANG, Li XIAO, Dongni LIU, Xiaochuan CHEN, Minghua XUAN, Ning CONG, Detao ZHAO
  • 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: 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: 20210335215
    Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n?1)th gate line or a 2nth gate line.
    Type: Application
    Filed: March 22, 2019
    Publication date: October 28, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni LIU, Lei WANG, Minghua XUAN, Xiaochuan CHEN, Shengji YANG, Liang CHEN, Li XIAO, Zheng FANG, Detao ZHAO, Pengcheng LU
  • Publication number: 20210333969
    Abstract: A touch display panel and a method for manufacturing the same are provided. The method includes: forming touch lines, an insulating layer and first electrodes above a substrate, the insulating layer covers the touch lines and is provided with at least one through-hole, the first electrodes are at a side of the insulating layer distal from the touch lines; forming barrier walls in each through-hole, and at a predetermined position in an interval between the first electrodes; forming a light emitting layer and a second electrode layer at a side of the light emitting layer distal from the substrate; removing the barrier walls, portions of the light emitting layer and the second electrode layer above the barrier walls, remaining portions of the second electrode layer form touch electrodes; forming an electrical conductive structure in each through-hole for coupling one touch line to one touch electrode.
    Type: Application
    Filed: April 22, 2019
    Publication date: October 28, 2021
    Inventors: Detao ZHAO, Pengcheng LU, Liang CHEN, Ning CONG, Ming YANG, Dongni LIU, Li XIAO, Shengji YANG, Lei WANG, Minghua XUAN, Xiaochuan CHEN