Patents by Inventor Yongda Ma

Yongda Ma 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: 11094766
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a plurality of pixel units, wherein each pixel unit includes a storage capacitor including at least three electrode plates parallel to each other, the at least three electrode plates parallel to each other include a first electrode plate, a second electrode plate and a third electrode plate, the first electrode plate is electrically connected to the second electrode plate, the third electrode plate is disposed between the first electrode plate and the second electrode plate, and the first electrode plate and the second electrode plate each have a portion facing towards the third electrode plate.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: August 17, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongfei Cheng, Yuxin Zhang, Xueguang Hao, Yongda Ma, Yongchun Lu, Hui Li
  • Publication number: 20210233936
    Abstract: An array substrate and a display device are disclosed.
    Type: Application
    Filed: April 12, 2021
    Publication date: July 29, 2021
    Inventors: Jianbo XIAN, Hongfei CHENG, Yong QIAO, Yongda MA
  • Publication number: 20210231860
    Abstract: A light guide plate, a backlight module and a display device. The light guide plate includes: a light guide plate substrate, prisms and lattice points, the light guide plate substrate includes: a light emitting surface and a lattice surface opposite to light emitting surface; the prisms are located on light emitting surface of the light guide plate substrate; the lattice points are located on the lattice surface of the light guide plate substrate; and orthographic projections of the lattice points on light emitting surface of the light guide plate substrate and orthographic projections of the prisms on the light emitting surface of the light guide plate substrate are overlapped; the maximum widths of the lattice points are less than 1.5 times spans of the prisms; and the spans are equal to lengths of bottom edges of sides, close to the light guide plate substrate, of main sections of the prisms.
    Type: Application
    Filed: September 25, 2019
    Publication date: July 29, 2021
    Inventors: Yongda MA, Xinyin WU, Yong QIAO, Jianbo XIAN, Pan LI
  • Patent number: 11075455
    Abstract: An antenna structure, a manufacturing method thereof and a communication device are provided. The antenna structure includes a first base substrate, a second base substrate, a dielectric layer provided between the first base substrate and the second base substrate, an isolation layer, first coplanar electrodes provided on one side of the isolation layer facing the first base substrate, and second coplanar electrodes provided on another side of the isolation layer facing the second base substrate. In the direction perpendicular to the first base substrate, the dielectric layer includes a first dielectric layer and a second dielectric layer, and the isolation layer is provided between the first dielectric layer and the second dielectric layer. The first coplanar electrodes include first electrodes and second electrodes alternately arranged. The second coplanar electrodes include third electrodes and fourth electrodes alternately arranged.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: July 27, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongchun Lu, Xinyin Wu, Jianbo Xian, Yongda Ma
  • Publication number: 20210225876
    Abstract: An array substrate and a display device are provided. The array substrate includes: a substrate body; and a plurality of first signal lines arranged on the substrate body, each first signal line including a first line segment, a second line segment, and a third line segment connecting the first line segment and the second line segment. The plurality of first signal lines is arranged at intervals in a first direction. In a second direction perpendicular to the first direction, a first/second/third region is formed between any two adjacent first/second/third line segments. At least parts of subpixel units are arranged at the first regions and the third regions, and each second line segment is connected to a terminal connection line at a periphery of a non-display region of the substrate body adjoining a display region. At least two adjacent second regions have a same width in the first direction.
    Type: Application
    Filed: November 25, 2019
    Publication date: July 22, 2021
    Inventors: Yongda MA, Xueguang HAO, Xinyin WU, Yong QIAO
  • Publication number: 20210223605
    Abstract: The present disclosure relates to an array substrate. The array substrate may include a display region comprising a plurality of first pixel regions and a dummy region adjacent to the display region. The dummy region may include a plurality of second pixel regions. At least one of the plurality of first pixel regions may include a first electrode region containing a first electrode and a first open region, at least one of the plurality of second pixel regions may include a second electrode region containing a second electrode and a second open region, and an area of the second open region may be larger than an area of the first open region.
    Type: Application
    Filed: December 9, 2019
    Publication date: July 22, 2021
    Applicants: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianbo Xian, Hongfei Cheng, Yongda Ma, Yong Qiao, Xinyin Wu
  • Patent number: 11067742
    Abstract: The present disclosure provides a backlight module and a display device, and relates to the field of display technology. The backlight module includes: a heat sink located above a backplane for dissipating heat generated by a light source; a reflective member disposed on a side of a light guide plate adjacent to the backplane; and one or more thermal buffer members disposed between the heat sink and the reflective member, wherein a thermal conductivity coefficient of each of the thermal buffer members in a direction perpendicular to a light exiting surface of the backlight module is less than that of the heat sink.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: July 20, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yongda Ma, Yong Qiao, Xinyin Wu
  • Publication number: 20210200003
    Abstract: Embodiments of the disclosure provide a thin-film transistor, an array substrate, a display panel and a display device. The thin-film transistor includes a current enhancement portion, and the current enhancement portion is provided between a drain and a source. The current enhancement portion may include at least one protrusion portion, and the protrusion portion is provided on the drain and/or the source and faces a channel. The current enhancement portion may include an island portion provided between the drain and the source, and the island portion is separate from the drain and the source. The island portion may include at least one protrusion end, and the at least one protrusion end faces the drain and/or the source.
    Type: Application
    Filed: March 10, 2021
    Publication date: July 1, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: PAN LI, HONGFEI CHENG, YONGDA MA, XUEGUANG HAO, JIANBO XIAN
  • Publication number: 20210200327
    Abstract: A display apparatus includes: a display panel; a housing configured to support and protect the display panel; a support, the support being arranged between the display panel and the housing; a plurality of sensors, the plurality of sensors being fixed on the support; a window, the window being located in the display panel or the housing and being configured to expose at least one sensor; and a driver, the driver being configured to control the support to move along a plane parallel to the display panel, and to control the support to stop moving when a required sensor moves to a position of the window.
    Type: Application
    Filed: June 24, 2020
    Publication date: July 1, 2021
    Inventor: Yongda MA
  • Publication number: 20210193650
    Abstract: A display panel includes a plurality of signal lines, at least one conductive pattern, and a plurality of first switch units. Each of at least part of the signal lines is electrically connected to the at least one conductive pattern through at least one first switch unit. Each first switch unit is connected between a corresponding signal line and a corresponding conductive pattern, and includes a control portion and an electrostatic buffer portion. The control portion is electrically connected between the corresponding signal line and the electrostatic buffer portion, and is configured to close a line between the signal line and the electrostatic buffer portion in response to an electrostatic voltage of electrostatic charges. The electrostatic buffer portion includes a connecting sub-portion and an extension sub-portion. The control portion, the corresponding conductive pattern and the extension sub-portion are electrically connected together through the connecting sub-portion.
    Type: Application
    Filed: December 21, 2020
    Publication date: June 24, 2021
    Inventors: Yongda MA, Xinyin WU, Jianbo XIAN
  • Publication number: 20210193690
    Abstract: A display panel includes first signal lines, second signal lines, first conductive patterns, second conductive patterns, at least one first switching unit and at least one second switching unit. An area of the first signal line is greater than that of the second signal line. Each first signal line is electrically connected to at least one first conductive pattern through at least one first switching unit. Each second signal line is electrically connected to at least one second conductive pattern through at least one second switching unit. The first switching unit includes at least one first thin film transistor, and the second switching unit includes at least one second thin film transistor. A channel width-to-length ratio of each first thin film transistor is greater than that of each second thin film transistor.
    Type: Application
    Filed: December 18, 2020
    Publication date: June 24, 2021
    Inventors: Yongda MA, Yong QIAO, Jianbo XIAN
  • Patent number: 11036074
    Abstract: A color film substrate having a plurality of pixel areas includes a base substrate, a color resistance, a black matrix and protruding structures. The color resistance layer is arranged on the base substrate and including a plurality of color resistances arranged in an array. The black matrix is arranged between any adjacent color resistances. The protruding structure is arranged on at least a portion of the black matrix and surrounding at least one of the color resistances. Wherein a surface of the protruding structure away from the base substrate does not exceed a surface of the color resistance away from the base substrate.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: June 15, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hui Li, Xinyin Wu, Yong Qiao, Yongda Ma
  • Publication number: 20210173271
    Abstract: Disclosed are a display substrate, a display panel, a display device. The display substrate includes pixel units on a substrate in form of array, gate lines in one-to-one correspondence to each row of pixel units, data lines between any two adjacent columns of pixel units and on sides, far away from the substrate, of gate lines, each pixel unit includes a pixel electrode, a thin film transistor configured to control the pixel electrode; each data line includes curved data line parts between any two pixel units, whose row directions are adjacent to each other, in two columns of pixel units on two sides of data line; each data line part includes a first part covered by a pixel electrode of pixel unit on one side of the data line part, a second part covered by a pixel electrode of pixel unit on the other side of the data line part.
    Type: Application
    Filed: May 22, 2018
    Publication date: June 10, 2021
    Inventors: Chunping LONG, Yongda MA, Jian XU
  • Patent number: 11004873
    Abstract: An array substrate and a display device are disclosed. The array substrate includes: a base substrate; and a first electrically conductive layer and a second electrically conductive layer on the base substrate; wherein the base substrate is provided with at least one thin film transistor, each of the at least one thin film transistor includes a gate electrode disposed in the first electrically conductive layer, and a source electrode and a drain electrode disposed in the second electrically conductive layer; and wherein, at least one of the drain electrode and the source electrode includes an electrode body and an extending portion, the electrode body overlapping with the gate electrode, and the extending portion overlapping with a portion of the first electrically conductive layer other than the gate electrode.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: May 11, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianbo Xian, Hongfei Cheng, Yong Qiao, Yongda Ma
  • Patent number: 10997890
    Abstract: Disclosed herein is a shift register, a grid driver circuit and a display device. The shift register may comprise a first pull-down point control circuit having a control end coupled to a pull-up point and two ends coupled to a pull-down point and a first voltage input respectively, a second pull-down point control circuit having two control ends coupled to an input signal and a control input respectively and two ends coupled to the pull-down point and the first voltage input respectively, a first pull-up point control circuit having a control end coupled to the pull-down point and two ends coupled to the pull-up point and the first voltage input respectively, and a second pull-up point control circuit having a control end coupled to a first clock signal and two ends coupled to the pull-up point and the first voltage input respectively.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: May 4, 2021
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xueguang Hao, Yongda Ma, Yong Qiao, Xinyin Wu
  • Publication number: 20210112671
    Abstract: A display device includes a frame, a display module is provided in the frame, a plurality of press sheets for fixing the display module are provided around the display module. Each press sheet is provided with a positioning part which limits a position of the press sheet in a direction parallel to a display surface of the display module.
    Type: Application
    Filed: December 26, 2019
    Publication date: April 15, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Deli FANG, Tailiang LI, Shuo CHEN, Ken WEN, Yongda MA, Jian XU
  • Patent number: 10978535
    Abstract: The disclosure discloses a pixel circuit, a display panel, and a display device. The display device comprises: a light emitting device with a second terminal coupled to a low voltage signal line; a drive thin film transistor with a second terminal coupled to a first terminal of the light emitting device; a light emitting control thin film transistor with a first terminal coupled to a high voltage signal line, and a second terminal coupled to a first terminal of the drive thin film transistor; a switch thin film transistor, which controls data voltage to be written into a control terminal of the drive thin film transistor; a reset thin film transistor, which resets potential of the control terminal of the drive thin film transistor; and a storage capacitor, coupled to the control terminal and the second terminal of the drive thin film transistor.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: April 13, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xueguang Hao, Xinyin Wu, Yongda Ma
  • Patent number: 10962706
    Abstract: A backlight module includes a back plate and a light guide plate. The light guide plate and the back plate are stacked together. The back plate includes a bottom surface and a plurality of side walls located on edges of the bottom surface; a positioning gap is formed between each two adjacent side walls of the plurality of side walls. The light guide plate includes a light guide plate body part and at least one light guide positioning portion disposed on a side surface of the light guide plate body part. The at least one light guide positioning portion is engaged with a corresponding positioning gap.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: March 30, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yong Qiao, Jianbo Xian, Xinyin Wu, Yongda Ma
  • Patent number: 10955694
    Abstract: The present disclosure relates to a backlight module and a liquid crystal display apparatus. The backlight module includes: a light source assembly; a frame, to which at least a portion of the light source assembly is connected; and a bottom reflective sheet, at least a portion of a thickness of which is overlapped with a thickness of the frame in a thickness direction of the backlight module.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: March 23, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yongda Ma, Xinyin Wu, Yong Qiao
  • Publication number: 20210074193
    Abstract: Disclosed herein is a shift register, a grid driver circuit and a display device. The shift register may comprise a first pull-down point control circuit having a control end coupled to a pull-up point and two ends coupled to a pull-down point and a first voltage input respectively, a second pull-down point control circuit having two control ends coupled to an input signal and a control input respectively and two ends coupled to the pull-down point and the first voltage input respectively, a first pull-up point control circuit having a control end coupled to the pull-down point and two ends coupled to the pull-up point and the first voltage input respectively, and a second pull-up point control circuit having a control end coupled to a first clock signal and two ends coupled to the pull-up point and the first voltage input respectively.
    Type: Application
    Filed: June 25, 2019
    Publication date: March 11, 2021
    Inventors: Xueguang HAO, Yongda MA, Yong QIAO, Xinyin WU