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).

  • ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20200225527
    Abstract: The present disclosure relates to technical field of display. There is disclosed an array substrate, a display panel and a display device. The array substrate includes a plurality of pixels arranged in an array. Two data lines are provided between every two columns of pixels adjacent to each other and a data line is provided at either side of each column of pixels. One gate line is provided between every two rows of pixels adjacent to each other. Each pixel includes two display domains arranged in a column direction and each display domain is correspondingly connected with a switch device.
    Type: Application
    Filed: July 18, 2017
    Publication date: July 16, 2020
    Inventors: Chunping Long, Yongda Ma
  • ARRAY SUBSTRATE, DISPLAY PANEL, AND DISPLAY DEVICE
    Publication number: 20200227498
    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: Application
    Filed: October 24, 2018
    Publication date: July 16, 2020
    Inventors: Hongfei CHENG, Yuxin ZHANG, Xueguang HAO, Yongda MA, Yongchun LU, Hui LI
  • Positioning structure, backlight source, display module and display device
    Patent number: 10712496
    Abstract: The present disclosure provide a positioning structure, a backlight source, a display module, and a display device, and the positioning structure is applied to a backlight source include a light guide plate and an optical film, the positioning structure includes a structural body, the structural body includes: multiple protruding structures spaced from each other, an end portion of each of the protruding structures adjacent to the light guide plate forming a contact positioning surface, and at least two contact positioning surfaces located in a same plane forming a first positioning surface for positioning an end surface of the light guide plate; wherein the structural body is provided with a second positioning surface for positioning an end surface of the optical film of the backlight source, and the second positioning surface and the first positioning surface are located at different planes.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: July 14, 2020
    Assignee: Boe Technology Group Co., Ltd.
    Inventors: Yongda Ma, Yong Qiao, Jianbo Xian
  • PIXEL STRUCTURE, ARRAY SUBSTRATE AND DISPLAY PANEL
    Publication number: 20200184874
    Abstract: A pixel structure includes at least three sub-pixels and there is a gap between two adjacent sub-pixels. The gap includes at least a first gap and a second gap, where the first gap extends along a linear trajectory and the second gap extends along a curved trajectory. The wire includes at least a first wire and a second wire, wherein the first wire passes through the first gap along the linear trajectory and is spaced apart from the sub-pixels on both sides of the first gap, and the second wire passes through the second gap along the curved trajectory and is spaced apart from the sub-pixels on both sides of the second gap. The second wire has a line width larger than a line width of the first wire.
    Type: Application
    Filed: April 30, 2019
    Publication date: June 11, 2020
    Inventors: Qinghe WANG, Xueguang HAO, Dacheng ZHANG, Yongda MA, Dongfang WANG, Liangchen YAN
  • Display device
    Patent number: 10663775
    Abstract: The embodiments of the present disclosure provide a display device, which relates to the display technology field and can alleviate or mitigate the problem that noise is generated by the rear housing due to vibration when the display device is displaying a picture with sound. The display device includes a display module and a rear housing cooperating with the display module. The display module includes a display surface and a non-display surface opposite to the display surface. The display device includes a buffer between the non-display surface of the display module and the rear housing.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: May 26, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongda Ma, Xinyin Wu, Jianbo Xian, Yong Qiao
  • Backlight assembly having elastic frame/backplate clamping member, for use in display device
    Patent number: 10650728
    Abstract: A backlight assembly includes a backplate defined by a bottom wall and a backplate sidewall provided with a first clamping slot; a frame defined by a display panel bearing portion and a frame side wall provided with a second clamping slot; and an elastic clamping member including a first clamping portion provided at the first clamping slot, a second clamping portion provided at the second clamping slot, and a connecting portion connecting the first clamping portion and the second clamping portion to secure the frame to the backplate.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: May 12, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongda Ma, Xinyin Wu, Yong Qiao
  • Reflective assembly, backlight module and display device
    Patent number: 10648645
    Abstract: The present invention relates to technical filed of display and discloses a reflective assembly, a backlight module and a display device which can effectively enhance the reflective effect at the edge area of the reflective assembly to improve the display brightness thereof to be in close proximity to the central area so as to achieve a uniform display. The reflective assembly comprises a first reflective plate and a second reflective plate configured along an edge of the first reflective plate, wherein the second reflective plate is inclined towards a direction facing away the first reflective plate with respective to a plane perpendicular to the edge of the first reflective plate, and wherein a reflective surface of the first reflective plate and a reflective surface of the second reflective plate are located at a same side.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: May 12, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yongchun Lu, Yong Qiao, Hongfei Cheng, Jianbo Xian, Yongda Ma, Jian Xu
  • Display device
    Patent number: 10645820
    Abstract: A display device includes a front frame positioned at a light emitting side of the display device; a backlight module; a display panel positioned between the front frame and the backlight module; and a connecting rod passing through the backlight module and connected to the front frame. Wherein the backlight module includes a panel installation region corresponding to a position of the display panel and a peripheral region adjacent to the panel installation region, and the connecting rod is positioned in the peripheral region.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: May 5, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongda Ma, Yong Qiao, Pan Li
  • Circuit board, circuit board assembly and liquid crystal display device
    Patent number: 10634964
    Abstract: A circuit board is provided and the circuit board is used for being attached to a matching board. The circuit board includes a first circuit pattern and an attaching state inspection area, and the attaching state inspection area further includes a third circuit pattern. A liquid crystal display device is further provided, including the circuit board and the matching board, the matching board includes a second circuit pattern matching the circuit board. It is more accurate to judge the attaching state between the circuit board and the matching board by detecting the deformation state of the conductive particles in vacant areas at different locations after the circuit board is attached to the matching board.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: April 28, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jian Xu, Hongfei Cheng, Yongda Ma
  • Display device with heat dissipation plate
    Patent number: 10613271
    Abstract: A backlight module and a display panel. The backlight module comprises a light guide plate, a heat dissipation plate and a light source. The display panel comprises a liquid crystal screen and a circuit board connected with the liquid crystal screen, the liquid crystal screen and the circuit board are arranged parallel to an arrangement direction of the heat dissipation plate main body and are respectively arranged at two sides of the heat dissipation plate. By means of the display device, the heat conducted to the back plate in the region of the heat dissipating plate corresponding to the circuit board can be reduced, and the temperature of the region where the circuit board locates can be reduced, thereby preventing aging of the electronic component and prolonging the lifetime of the circuit board.
    Type: Grant
    Filed: September 6, 2015
    Date of Patent: April 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongda Ma, Yuxin Zhang, Xinyin Wu
  • HOUSING AND ELECTRONIC APPARATUS HAVING THE SAME
    Publication number: 20200107478
    Abstract: A housing and an electronic apparatus having the housing are disclosed. The housing includes a shielding component and an insulating component fixedly connected with the shielding component; the insulating part is configured to arrange an antenna.
    Type: Application
    Filed: May 29, 2019
    Publication date: April 2, 2020
    Inventors: Ken WEN, Deli FANG, Yongda MA, Jian XU
  • Flexible Display Panel and Flexible Display Device
    Publication number: 20200089281
    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: Application
    Filed: April 22, 2019
    Publication date: March 19, 2020
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yongda Ma, Xueguang Hao, Yong Qiao
  • Array substrate and display device
    Patent number: 10591790
    Abstract: An array substrate and a display device are provided, which relate to the field of display and are for alleviating or mitigating the problem of bad contact between the pixel electrode and the drain pad caused by deep via holes. The array substrate includes a plurality of pixel units, each including a drain pad, a pixel electrode and an insulating layer above the drain pad. The drain pad has a first via hole, and the insulating layer has a second via hole that exposes at least a portion of the first via hole and a portion of the drain pad around the first via hole. The pixel electrode extends along an inner wall of the second via hole and contacts the exposed portion of the drain pad.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: March 17, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunping Long, Yongda Ma, Pan Li
  • BACKLIGHT, DISPLAY MODULE AND DISPLAY DEVICE
    Publication number: 20200081296
    Abstract: The present disclosure provides a backlight, a display module and a display device. The backlight includes a plastic frame and light guide plate, the plastic frame includes a panel receiving portion, the light guide plate is located below the panel receiving portion, an orthographic projection of the panel receiving portion in a direction perpendicular to a light emitting surface of the light guide plate is overlapped with an orthographic projection of an edge of the light guide plate in the same projection direction, and an angle between a side surface of the panel receiving portion close to a center of the light guide plate and a lower surface of the panel receiving portion adjacent to the light guide plate is less than 90 degrees.
    Type: Application
    Filed: April 15, 2019
    Publication date: March 12, 2020
    Inventors: Yongda MA, Yong QIAO, Xinyin WU
  • Shift register unit and driving method thereof, gate driving circuit and display device to reduce drift of potential of a pull-down node when the potential is risen
    Patent number: 10573224
    Abstract: The invention provides a shift register unit, including a pull-up node, a pull-down node, a low-level signal terminal, a second clock signal terminal and a pull-down module, the second clock signal terminal supplies a high-level signal during an input sub-period and a pull-down sub-period, the pull-down module is connected to the pull-up node, the pull-down node, an output terminal of the shift register unit and the low-level signal terminal, the shift register unit further includes a discharging module, which is configured to make the pull-down node and the low-level signal terminal be connected in a conducting path during the input sub-period, and both the pull-up node and the output terminal of the shift register unit are connected with the low-level signal terminal in conducting paths during the input sub-period and the pull-down sub-period.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: February 25, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueguang Hao, Yongda Ma, Hongfei Cheng
  • Backlight module and display apparatus
    Patent number: 10563848
    Abstract: The backlight module provided in the present disclosure comprises a backplate and a light-emitting device, and the backplate has a mounting surface. The light-emitting device comprises a mounting member and a light source disposed on the mounting member. Moreover, the backplate comprises a concave portion and/or a convex portion, and the concave portion and/or the convex portion fixes the mounting member onto the mounting surface. The backlight module provided in the present disclosure can simplify steps of assembling or disassembling the light-emitting device, thus production efficiency can be improved and high integration manufacturing of backlight modules can be facilitated.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: February 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Xu, Yongda Ma, Yongchun Lu, Hongfei Cheng
  • Discharge circuit, array substrate, liquid crystal display panel and display device
    Patent number: 10564493
    Abstract: A discharge circuit, an array substrate, a liquid crystal display panel and a display device are provided. The discharge circuit, including a discharge transistor, a signal control end and a low voltage power source end, a gate electrode of the discharge transistor is connected to the signal control end, a first electrode of the discharge transistor is electrically connected to a signal line, and a second electrode of the discharge transistor is electrically connected to the low voltage power source end; the discharge transistor is configured to release charges on the signal line to the low voltage power source end under an action of a control signal output by the signal control end.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: February 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueguang Hao, Yongda Ma, Xinyin Wu, Yong Qiao
  • Display device including a back cover with recess to provide cooling to a heat generating element
    Patent number: 10555443
    Abstract: The present disclosure relates to a display device including a circuit board, a heating element arranged on the circuit board, an insulating and heat conducting structure connected to the heating element, a heat radiating plate connected to the insulating and heat conducting structure, and a back cover provided with a recess, wherein the heat radiating plate is arranged in the recess and is in the direct contact with an exterior of the display device.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: February 4, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongda Ma, Xinyin Wu, Jianbo Xian
  • Array substrate and display device
    Patent number: 10546880
    Abstract: An array substrate includes a display region and a non-display region arranged adjacent to the display region. A plurality of signal connection lines is arranged at the non-display region, and each signal connection line is configured to connect a signal source and a signal line at the display region. At least one signal connection line includes a main line portion and at least one resistance adjustment portion connected in parallel to the main line portion.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: January 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianbo Xian, Jian Xu, Yong Qiao, Yongda Ma, Hongfei Cheng
  • COLOR FILM SUBSTRATE, MANUFACTURING METHOD THEREOF, DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20200026122
    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: Application
    Filed: December 21, 2018
    Publication date: January 23, 2020
    Inventors: Hui Li, Xinyin Wu, Yong Qiao, Yongda Ma