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: 11901486
    Abstract: Provided is a method for transferring a chip, including: disposing a target substrate in a sealed chamber; applying charges of different polarities to a first alignment bonding structure of the target substrate and a first chip bonding structure of the chip, and injecting an insulation fluid flowing in a first direction into the sealed chamber, so that the first chip bonding structure is aligned with the first alignment bonding structure; applying charges of different polarities to a second alignment bonding structure of the target substrate and a second chip bonding structure of the chip, and changing the flowing direction of the insulation fluid to a second direction, so that the second chip bonding structure is aligned with the second alignment bonding structure; and applying a bonding force to the chip, so that the chip bonding structures is bonded to the alignment bonding structures.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: February 13, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Chen, Lei Wang, Minghua Xuan, Dongni Liu, Li Xiao, Detao Zhao, Hao Chen
  • Patent number: 11869413
    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 25, 2022
    Date of Patent: January 9, 2024
    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: 11616043
    Abstract: A chip transfer method including: disposing a target substrate in a closed cavity, the target substrate including a first alignment bonding structure and a second alignment bonding structure; applying a charge of a first polarity to the first alignment bonding structure of the target substrate; applying a charge of a second polarity to a first chip bonding structure of a chip; injecting an insulating fluid into the closed cavity to suspend the chip in the insulating fluid within the closed cavity; and applying a bonding force to the chip.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: March 28, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Chen, Lei Wang, Minghua Xuan, Li Xiao, Dongni Liu, Detao Zhao, Hao Chen
  • Publication number: 20230033298
    Abstract: A routing method, a routing device and a computer-readable storage medium are disclosed. The routing method includes: allocating, to each of network slices corresponding to different algorithm types, a segment identifier corresponding to a respective algorithm type, and flooding the segment identifier through an IGP (S100); configuring, for each network slice, a QoS policy corresponding to a respective algorithm type (S200); and, forwarding a packet based on the segment identifier and the QoS policy (S300).
    Type: Application
    Filed: December 17, 2020
    Publication date: February 2, 2023
    Inventors: Shaofu PENG, Detao ZHAO
  • Patent number: 11508298
    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: Grant
    Filed: January 15, 2019
    Date of Patent: November 22, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Liang Chen, Lei Wang, Dongni Liu, Li Xiao, Xiaochuan Chen, Minghua Xuan, Shengji Yang, Pengcheng Lu, Detao Zhao, Ning Cong
  • Patent number: 11468819
    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: Grant
    Filed: April 30, 2019
    Date of Patent: October 11, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan, Lei Wang, Xiaochuan Chen, Liang Chen, Li Xiao, Detao Zhao, Shengji Yang, Pengcheng Lu, Zheng Fang
  • Patent number: 11450270
    Abstract: A pixel circuit and a method of driving the same, and a display device. The pixel circuit includes a plurality of pixel compensation circuits, and each pixel compensation circuit can be connected to M light-emitting units located in the same column. Each light-emitting control signal terminal of the M light-emitting control signal terminals included in each light-emitting control signal terminal group may be connected to a pixel compensation circuit group (i.e., K rows of pixels compensation circuits).
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: September 20, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Liang Chen, Lei Wang, Dongni Liu, Li Xiao, Minghua Xuan, Xiaochuan Chen, Shengji Yang, Pengcheng Lu, Detao Zhao, Ning Cong
  • Publication number: 20220278923
    Abstract: Disclosed are a method and apparatus for sending a segment routing traffic engineering (SR-TE) policy, a method and apparatus for receiving an SR-TE policy, a network element, and a computer-readable storage medium. The method for sending an SR-TE policy includes creating an SR-TE policy instance by a first network element; and sending an SR-TE policy corresponding to the SR-TE policy instance to a second network element by the first network element, where the SR-TE policy carries path identifier information and primary/standby state information of a segment list so as to support fast reroute (FRR) of a segment list level.
    Type: Application
    Filed: May 9, 2020
    Publication date: September 1, 2022
    Inventors: Shaofu PENG, Detao ZHAO, Hong TANG, Yongqing ZHU
  • 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: 11355061
    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: Grant
    Filed: August 7, 2019
    Date of Patent: June 7, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Chen, Lei Wang, Li Xiao, Dongni Liu, Detao Zhao, Ning Cong, Minghua Xuan, Shengji Yang, Xiaochuan Chen
  • Patent number: 11347360
    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: Grant
    Filed: March 11, 2019
    Date of Patent: May 31, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Ming Yang, Han Yue, Dongni Liu, Li Xiao, Lei Wang, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11348525
    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: Grant
    Filed: January 2, 2019
    Date of Patent: May 31, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Chen, Lei Wang, Li Xiao, Dongni Liu, Xiaochuan Chen, Minghua Xuan, Ning Cong, Detao Zhao
  • 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
  • Patent number: 11335242
    Abstract: The present disclosure provides a display substrate, including: a substrate; a plurality of pixel units on the substrate, each of the pixel units having a light-emitting device therein; a power supply electrode configured to supply a power supply voltage to the light-emitting device, wherein the power supply electrode includes a first electrode layer and a second electrode layer, the second electrode layer has a mesh-shaped structure and is coupled to the first electrode layer through a via hole, and the first electrode layer includes a plurality of first electrode parts spaced apart from each other and each having a block shape, each of the first electrode parts being electrically coupled to a plurality of light-emitting devices for supplying the power supply voltage to the plurality of light-emitting devices.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: May 17, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan, Liang Chen, Detao Zhao, Li Xiao, Zheng Fang
  • Patent number: 11320932
    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: Grant
    Filed: April 22, 2019
    Date of Patent: May 3, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Pengcheng Lu, Liang Chen, Ning Cong, Ming Yang, Dongni Liu, Li Xiao, Shengji Yang, Lei Wang, Minghua Xuan, Xiaochuan Chen
  • 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