Patents Assigned to HEFEI XINSHENG OPTOELECTRONIC TECHNOLOGY CO., LTD.
  • Composition for overcoat layer, preparation method for the same, overcoat layer material, display substrate and display device
    Patent number: 11332634
    Abstract: The present disclosure relates to the field of display, in particular to a composition for an overcoat layer, a preparation method for the same, an overcoat layer material, and a display substrate and a display device including the overcoat layer material. The composition for the overcoat layer comprises: 10 to 30% by weight of styrene, 10 to 30% by weight of an epoxy resin, 1 to 3% by weight of a crosslinking agent, 0.1 to 0.5% by weight of a photoinitiator and/or a thermal initiator, 1 to 3% by weight of a surfactant, and 40 to 77% by weight of a solvent. The composition for the overcoat layer has styrene as a main monomer component, and may be initiated to cure by an initiator to obtain the overcoat layer material.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: May 17, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Guangying Mou
  • Thin film transistor, display panel and preparation method thereof, and display apparatus
    Patent number: 11335710
    Abstract: A thin film transistor, a display panel and a preparation method thereof and a display apparatus are provided. The thin film transistor includes: a substrate; a gate metal located on a side of the substrate; a gate insulating layer located on a side of the gate metal away from the substrate; an active layer located on a side of the gate insulating layer away from the substrate; a first metal oxide and a second metal oxide which are located on a side of the active layer away from the substrate and are arranged on a same layer; and a source metal and a drain metal which are located on sides of the first metal oxide and the second metal oxide away from the substrate and are arranged in a same layer.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: May 17, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qinghe Wang, Tongshang Su, Yongchao Huang, Yingbin Hu, Yang Zhang, Haitao Wang, Ning Liu, Guangyao Li, Zheng Wang, Yu Ji, Jinliang Hu, Wei Song, Jun Cheng, Liangchen Yan
  • Display panel repair device and display panel repair method
    Patent number: 11328662
    Abstract: A display panel repair device and a display panel repair method are disclosed. The display panel repair device includes an ultrasonic generator and a beam control device. The ultrasonic generator is configured to generate ultrasonic; and the beam control device is configured to direct the ultrasonic to emit to a pre-determined position, so as to be able to repair a display panel to be repaired by the ultrasonic.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: May 10, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shi Sun, Xuewu Xie, Ameng Zhang, Bowen Liu, Yu Ai
  • Display substrate, method for preparing the same, and display device
    Patent number: 11327401
    Abstract: A display substrate, a method for preparing the same and a display device are provided. The method for preparing the display substrate includes: providing a base substrate, in which the base substrate includes a first region and a second region; forming a first structure in the first region using a first mask and a first photoresist; forming a functional material layer at a side, which is away from the base substrate, of the first structure; and patterning the functional material layer using a second mask and the first mask to form a functional layer in the second region.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jian Tian, Zouming Xu, Lei Zhang, Yaying Li, Chunjian Liu, Qitao Zheng, Xianlin Ding
  • Shift register unit, driving method thereof, gate driving circuit and display device
    Patent number: 11328641
    Abstract: A shift register unit, a driving method thereof, a gate driving circuit, and a display device are provided. The shift register unit includes an input branch and a reset branch; the input branch is configured to form or disconnect a first path between a first scan voltage terminal and a pull-up node under control of a potential of a first control terminal. The reset branch is configured to form or disconnect a second path between a second scan voltage terminal and the pull-up node under control of a potential of a second control terminal.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.
    Inventors: Zhiyang He, Mindong Zheng, Youlu Li, Yongxian Xie, Qiang Liu, Hui Wang
  • Shift register for compensation for sub-pixle row, driving method thereof, gate driving circuit and display device
    Patent number: 11328651
    Abstract: Embodiments of the present disclosure provide a shift register. The shift register includes a blank input circuit, N shift register circuits, and a compensation selection circuit. The blank input circuit is configured to store a blank input signal, and provide a blank pull-down signal to N pull-down nodes based on the blank input signal and a blank control signal. The N shift register circuits are respectively coupled to the blank input circuit via the N pull-down nodes, and are configured to output respective blank output signals based on the blank pull-down signal and respective clock signals during a blank period. The compensation selection circuit is configured to provide the blank input signal to the blank input circuit under the control of a compensation selection control signal. Herein N is a natural number greater than 1.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 10, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Shift register circuit and drive method thereof, gate drive circuit, and display panel
    Patent number: 11328639
    Abstract: The present disclosure relates to a shift register circuit and a drive method thereof, a gate drive circuit, and a display panel. The shift register circuit comprises a second reset circuit, and a reset operation is performed for a first node and a signal output terminal by the second reset circuit during an off stage of the display panel.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: May 10, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zuquan Hu, Xiaoye Ma, Rui Ma
  • Display substrate, manufacturing method thereof, and display apparatus
    Patent number: 11329115
    Abstract: The present disclosure relates to a pixel structure. The pixel structure may include a base substrate; a first insulating island on a side of the base substrate; a first electrode on a side of the first insulating island opposite front the base substrate; a second electrode on the base substrate and at a peripheral area of the first insulating island; an active layer electrically connected to the first electrode and the second electrode; a second insulating layer on a side of the active layer opposite from the base substrate; a gate electrode on a side of the second insulating layer opposite from the base substrate; and a third insulating layer on a side of the gate electrode opposite from the base substrate.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: May 10, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Song, Liangchen Yan, Ce Zhao, Heekyu Kim, Yuankui Ding, Leilei Cheng, Yingbin Hu, Wei Li, Yang Zhang
  • Pixel circuit and driving method thereof, and display panel
    Patent number: 11328668
    Abstract: A pixel circuit and a driving method thereof, and a display panel. The pixel circuit includes a driver circuit, a data writing circuit, a storage circuit, a light emitting element and a bias circuit. The driver circuit controls a drive current for driving the light emitting element to emit light. The data writing circuit writes a data signal to the control terminal of the driver circuit in response to a scan signal. The storage circuit stores the data signal written by the data writing circuit. The light emitting element emits light according to the drive current. The bias circuit applies a bias voltage to the second terminal of the light emitting element in response to a bias starting signal and according to a bias voltage amplitude signal, so as to reverse bias the light emitting element.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Peng Chen, Zixuan Wang
  • Display substrate and manufacture method thereof
    Patent number: 11329114
    Abstract: A display substrate and a manufacture method thereof are provided. The display substrate includes a pixel definition layer and a controllable deformation layer; the pixel definition layer includes a plurality of openings for defining a plurality of pixel units; and the controllable deformation layer is on the pixel definition layer, and a horizontal extension of at least a portion of the controllable deformation layer in a direction parallel to the pixel definition layer is controllable. The organic functional layer of the display substrate has uniform morphology, so the display substrate has better display effect.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ruhui Zhu, Gu Yao
  • Apparatus and method for fabricating a display substrate of liquid crystal display panel
    Patent number: 11327365
    Abstract: The present application provides an apparatus for fabricating a display substrate of a liquid crystal display panel. The apparatus includes a support for receiving a mother substrate having a plurality of display substrate units and a photoalignment material layer on the plurality of display substrate units; a plurality of polarizers including a first polarizer having a first light transmission axis, and a second polarizer having a second light transmission axis non-parallel to the first light transmission axis; and a light source for irradiating a light on a first display substrate unit of the plurality of display substrate units through the first polarizer and on a second display substrate unit of the plurality of display substrate units through the second polarizer.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chengyong Zhan, Ting Wan, Jinliang Hu, Wenming Ren
  • Common voltage calibration circuit and driving method thereof, circuit board and display device
    Patent number: 11328685
    Abstract: A common voltage calibration circuit and a driving method thereof, a circuit board and a display device are provided. The common voltage calibration circuit includes a difference circuit, a compensation circuit and a summing circuit; the difference circuit is configured to perform a difference processing on a common voltage provided by the common voltage input terminal and a feedback common voltage provided by the common voltage feedback terminal to output a difference value signal; the compensation circuit is configured to receive the difference value signal and compensate the common voltage based on the difference value signal; and the summing circuit is configured to superimpose at least two compensation signals output by the compensation circuit and output through the common voltage output terminal.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kun Yang, Wenwu Lu, Chunyang Nie, Ke Dai
  • Pixel driving circuit, driving method thereof, and display device
    Patent number: 11328663
    Abstract: The present disclosure provides a pixel driving circuit, a driving method thereof, and a display device, and relates to the field of display technology. The pixel driving circuit includes a first driver, a second driver, and a light emitting element. The first driver is configured to generate a first driving current. The second driver is configured to generate a second driving current. The first driving current and the second driving current alternately drive the light emitting element as a main driving current.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: May 10, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xianrui Qian, Fei Li, Bo Li, Yuting Chen, Zixuan Wang
  • Driving method of display device and display device
    Patent number: 11322111
    Abstract: The present disclosure provides a driving method of a display device and a display device. The driving method of the display device includes: inputting a gate signal with a length of a first duration to each of gate lines; and inputting a data signal to each of data lines to drive the display device for displaying. Among M data lines crossing the gate line in a direction of the gate line from a signal input terminal to an terminal away from the signal input terminal, a start time at which an mth data line input with the data signal is delayed by a second duration, relative to the start time at which a first data line closest to the signal input terminal of the gate line is input with the data signal, and the second duration is less than the first duration.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 3, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueqin Wei, Chunyang Nie, Ke Dai, Ruilian Li, Lixin Zhu, Bingbing Yan, Yan Yang, Wen Chieh Huang, Ching Hua Hung, Wei Sun, Rui Liu, Ming Chen
  • Array substrate having detection line structures between rows of subpixels and detection method thereof, and display panel having the same
    Patent number: 11322550
    Abstract: An array substrate and a detection method thereof, and a display panel are disclosed. The array substrate includes a plurality of subpixels and a plurality of detection line structures. The plurality of subpixels are arranged in an array of a plurality of rows and a plurality of columns along a first direction and a second direction. Each of the plurality of detection line structures includes at least one first detection line extending along the first direction; adjacent (n)th row and (n+1)th row of subpixels in the array form a subpixel row group, one detection line structure is provided between the (n)th row and (n+1)th row of subpixels in each subpixel row group, and the detection line structure is configured to be connected to the (n)th row and (n+1)th row of subpixels and detect electrical characteristics of first transistors or light-emitting elements in the subpixels.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: May 3, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan, Meng Li
  • Photoresist composition, pixel definition layer, display substrate and method for preparing the same, and display device
    Patent number: 11322561
    Abstract: The present disclosure provides a photoresist composition, a pixel definition layer, a display substrate and a method for preparing the same, and a display device. The photoresist composition includes: 5 to 25 wt % of polymethacrylate; 1 to 15 wt % of a lyophobic compound; 1 to 5 wt % of a temperature sensitive polymer; 0.5 to 2 wt % of a photoinitiator; and 0.1 to 1 wt % of a monomer.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: May 3, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Li, Jingjing Xia, Bin Zhou, Jun Cheng, Yingbin Hu, Wei Song, Guangyao Li, Biao Luo
  • Detection apparatus, fabrication method thereof, array substrate, and display apparatus
    Patent number: 11322624
    Abstract: The present disclosure is related to a detection apparatus. The detection apparatus may include a gate insulating layer. The gate insulating layer may include at least a first layer and a second layer opposite the first layer. A plurality of protruding structures may be provided on a surface of the first layer facing the second layer and/or a surface of the second layer facing the first layer. The first layer and the second layer of the gate insulating layer may be connected through the protruding structures.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: May 3, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Peng, Wenbin Jia, Zhijie Ye, Yue Hu, Xiang Wan, Xinxin Wang, Yulin Wang
  • Touch panel, touch display screen and display apparatus
    Patent number: 11320933
    Abstract: The present disclosure provides a touch panel, a touch display screen, and a display apparatus. The touch panel includes a base substrate, a touch structure disposed on the base substrate, at least one shielding conductive plate, and a shielding trace connected to the at least one shielding conductive plate. An orthographic projection of an electrode control line in the touch structure on the base substrate overlaps an orthographic projection of the shielding conductive plate on the base substrate.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: May 3, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qin Zeng, Taofeng Xie, Wei Zhang, Zhao Dong
  • Voltage control circuit, control method thereof, and display device
    Patent number: 11316427
    Abstract: A voltage control circuit comprises a sampling sub-circuit and a control sub-circuit. The sampling sub-circuit is configured to detect a potential difference between an output voltage and an input voltage to obtain a first voltage and output the first voltage to the control sub-circuit. The control sub-circuit is configured to compare a magnitude of the first voltage with a first voltage threshold, if the first voltage is less than the first voltage threshold, output the input voltage as the output voltage, and, if the first voltage is greater than or equal to the first voltage threshold, superimpose and output the input voltage and a bootstrap voltage as the output voltage.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: April 26, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lixin Zhu, Chunyang Nie, Ke Dai, Lei Guo, Ruilian Li, Xueqin Wei
  • Carrying apparatus and carrying method
    Patent number: 11315814
    Abstract: The present disclosure provides a carrying apparatus and a carrying method, the carrying apparatus includes: a carrying part configured to carry an object to be carried; an adhesive assembly disposed on the carrying part, a viscosity of the adhesive assembly is variable, and the carrying apparatus is configured to selectively adhere to or separate from the object to be carried according to a change of the viscosity; and a supporting part disposed on the carrying part and configured to support the object to be carried so that the object to be carried separates from the carrying part.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: April 26, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lankai Yeh, Shupeng Guo