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).

  • Publication number: 20210341808
    Abstract: A display substrate may include at least one connection structure (1) in a non-display area (89) of the display substrate. The at least one connection structure (1) may include a first conductive layer (11), at least one insulating layer (19) on the first conductive layer (11), and a second conductive layer (12) on a side of the at least one insulating layer (19) opposite from the first conductive layer (11). The second conductive layer 12) may be connected to the first conductive layer (11) through a plurality of via holes (3) in the at least one insulating layer (19), and at least two of the plurality of via holes (3) may have different contact areas with the first conductive layer (11). The display substrate can be at least partially solves the problem that the through hole is easy to be burnt when over-current problem.
    Type: Application
    Filed: June 26, 2019
    Publication date: November 4, 2021
    Applicants: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongda Ma, Yong Qiao, Jianbo Xian
  • Publication number: 20210333610
    Abstract: A display module includes: a backplate; a backlight module disposed on the backplate; a liquid crystal panel disposed on the backlight module; a frame configured to fix the liquid crystal panel; a circuit board disposed on the backplate; and a conductive part. The conductive part is connected with the backplate or the circuit board, the conductive part includes an elastic portion connected with the liquid crystal panel, and at least part of the elastic portion is located between the liquid crystal panel and the frame and is in a compression state. A display device is further disclosed.
    Type: Application
    Filed: January 22, 2019
    Publication date: October 28, 2021
    Inventors: Yongda MA, Jianbo XIAN, Yong QIAO
  • Publication number: 20210333590
    Abstract: A display device and a flexible circuit board are provided. The display device includes: a display panel having a first bonding region, the first bonding region being provided with a plurality of first connection terminals; a touch panel having a second bonding region, the second bonding region being provided with a plurality of second connection terminals; a flexible circuit board having a first surface and a second surface opposite to the first surface; first conductive structures disposed on the first surface of the flexible circuit board and configured to be connected with the plurality of first connection terminals; second conductive structures, disposed on the second surface of the flexible circuit board and configured to be connected with the plurality of second connection terminals.
    Type: Application
    Filed: May 28, 2019
    Publication date: October 28, 2021
    Inventor: Yongda MA
  • Publication number: 20210325733
    Abstract: A backlight source, a display module and a display device are provided. Each set of locational fitting structures in the backlight source includes locational accommodation space formed on one of optical film and support, and locational protrusion formed on the other of optical film and support.
    Type: Application
    Filed: September 26, 2018
    Publication date: October 21, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Yongda MA
  • Publication number: 20210320130
    Abstract: A display substrate has an active area which includes a photosensitive region with a light-transmitting channel. The display substrate includes a base, a pixel circuit layer, a first insulating layer and a conductive light-shielding layer. The pixel circuit layer includes pixel circuits and at least one pixel circuit includes a first thin film transistor and a second thin film transistor. The first insulating layer has a first via hole. The conductive light-shielding layer includes a conductive light-shielding pattern that has a first light-transmitting hole. Orthogonal projections of the first light-transmitting hole and of a gap region between the first thin film transistor and the second thin film transistor have a first overlapping region, which the light-transmitting channel penetrates. The conductive light-shielding pattern is coupled with a source electrode or a drain electrode of the first thin film transistor through the first via hole.
    Type: Application
    Filed: June 27, 2020
    Publication date: October 14, 2021
    Inventors: Jianbo XIAN, Hongfei CHENG, Yongda MA, Chen XU, Xueguang HAO
  • Publication number: 20210305285
    Abstract: An array substrate, a display panel and a display device are disclosed. The array substrate includes a display region and a non-display region around the display region, and further includes: a first leading wire extending from the non-display region to the display region and a second leading wire extending from the non-display region to the display region. The first leading wire is between a first signal line and a first fan-out line and electrically connects the first signal line and the first fan-out line, and the second leading wire is between a second signal line and a second fan-out line and electrically connects the second signal line and the second fan-out line. The first leading wire and the second leading wire are in different layers.
    Type: Application
    Filed: June 20, 2018
    Publication date: September 30, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunping LONG, Yongda MA
  • Patent number: 11119538
    Abstract: A flexible display panel and a flexible display device are provided. The flexible display panel includes: a first insulating layer; a plurality of leads disposed above the first insulating layer, the plurality of leads passing through a predetermined bending region of the flexible display panel; a second insulating layer above respective one of the leads; where at least one of the leads is provided with at least one first hollow portion in the predetermined bending region, and the first insulating layer and the second insulating layer are connected via the at least one first hollow portion. In this way, product performance can be improved.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: September 14, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yongda Ma, Xueguang Hao, Yong Qiao
  • Publication number: 20210278731
    Abstract: The disclosure discloses a display substrate, a display panel, and a display device. The display substrate includes a plurality of pixel units, each pixel unit includes a first sub-pixel region, a second sub-pixel region, slit electrodes and two thin film transistors, the slit electrodes include a first slit electrode and a second slit electrode corresponding respectively to the first sub-pixel region and the second sub-pixel region, where each of the first slit electrode and the second slit electrode includes at least one slit group, each slit group includes a plurality of slits arranged in a same direction, a slit extension direction and a direction of a formed electric field of one slit group of the first slit electrode are different from a slit extension direction and a direction of a formed electric field of at least one of the at least one slit group of the second slit electrode, respectively.
    Type: Application
    Filed: March 28, 2018
    Publication date: September 9, 2021
    Inventors: Chunping LONG, Jian XU, Hui LI, Yongda MA
  • 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: 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
  • 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
  • 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: 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
  • 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
  • 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