Patents by Inventor Wenjun HOU

Wenjun HOU 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: 11631705
    Abstract: A method of manufacturing a display substrate, a display substrate and a display panel are provided. The method of manufacturing a display substrate includes: infiltrating an etching point of a film group with an etching solution, to form an infiltration groove at the etching point of a film group; and patterning a remaining part of the film group at the infiltration groove, to obtain a via hole penetrating the remaining part of the film group.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: April 18, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongda Sun, Wenjun Hou
  • Patent number: 11594585
    Abstract: The present disclosure provides an array substrate, a method for manufacturing the array substrate, a display panel and a display apparatus. The array substrate of the present disclosure includes a substrate and a pixel definition layer on the substrate, the pixel definition layer includes a base structure on the substrate, the base structure defines a plurality of openings on the substrate, each of the plurality of openings corresponds to one pixel region; and at least one protrusion structure provided on the base structure, wherein the at least one protrusion structure protrudes towards a direction away from the substrate, and the at least one protrusion structure has hydrophobic property.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: February 28, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenjun Hou
  • Patent number: 11588130
    Abstract: Disclosed is an array substrate including a base substrate, and a first electrode, a pixel define layer, a light-emitting layer and a second electrode which are sequentially disposed on the base substrate. The pixel define layer has a plurality of openings each having two opposite surfaces. The two opposite surfaces include a first surface proximal to the base substrate and a second surface distal from the base substrate. The second surface is coplanar with a surface of the pixel define layer distal from the base substrate. An orthographic projection of the second surface on the base substrate is within an orthographic projection of the first surface on the base substrate. The pixel define layer includes a pixel define body and an electrode repairing material layer. The electrode repairing material layer is disposed on a side of the pixel define body, and repairs the second electrode.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: February 21, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenjun Hou
  • Patent number: 11574938
    Abstract: A condensation assembly includes a condensation plate and a plurality of sumps. The condensation plate includes a plate body and a plurality of protrusions on a surface of the plate body, and the plurality of protrusions are spaced apart. The plurality of sumps are disposed at a side of the plurality of protrusions away from the plate body. Each sump of the plurality of sumps is disposed opposite to at least one of the plurality of protrusions, and has an opening facing the at least one protrusion disposed opposite to the sump. There is a gap between the plurality of sumps and the condensation plate.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: February 7, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunjing Hu, Wenjun Hou
  • Publication number: 20230033003
    Abstract: An electroluminescent diode array substrate, a method of manufacturing the electroluminescent diode array substrate and a display panel are provided. The electroluminescent diode array substrate includes: a base substrate; and an auxiliary electrode, a pixel definition layer, a first electrode, a functional layer and a second electrode disposed on the base substrate, the pixel definition layer is provided with a via hole structure, the auxiliary electrode is disposed on at least one side of the via hole structure, and the second electrode is electrically connected with the auxiliary electrode. The electroluminescent diode array further comprises a planarization layer disposed between the base substrate and the pixel definition layer, and a conductive polymer layer. The via hole structure extends from the pixel definition layer and penetrates through the planarization layer, the auxiliary electrode comprises an embedment part embedded in the planarization layer.
    Type: Application
    Filed: September 29, 2022
    Publication date: February 2, 2023
    Inventor: Wenjun HOU
  • Patent number: 11539020
    Abstract: Provided is a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a base substrate, which has a display area and an encapsulation area, the encapsulation area surrounds the display area, and a hydrophobic structure is arranged on the encapsulation area.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: December 27, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventor: Wenjun Hou
  • Patent number: 11530874
    Abstract: A dry box and a control method therefor, and a preparation method for an organic electroluminescent device are provided. The dry box includes a cavity and a hot plate arranged in the cavity. The hot plate includes a plurality of heating spots, the plurality of heating spots being arranged towards the hot plate to support a surface of a device to be dried, and some of the temperature of the plurality of heating spots being different and the heating spots being insulated from each other.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: December 20, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunjing Hu, Wenjun Hou
  • Patent number: 11522026
    Abstract: A display substrate and preparation method thereof, an ink-jet printing method and a display device are provided. The display substrate includes a display area, a peripheral area, and a pixel definition layer; the pixel definition layer including: a display pixel definition region and an assistant pixel definition region surrounding the display pixel definition region; the display pixel definition region includes a plurality of first pixel definition units; the assistant pixel definition region includes a plurality of second pixel definition units, and opening areas of the second pixel definition units are respectively greater than those of the first pixel definition units; the display pixel definition region is in the display area, the assistant pixel definition region is in the peripheral area, the plurality of first pixel definition units is configured to form display pixels, and the plurality of second pixel definition units is configured to form assistant pixels.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: December 6, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventor: Wenjun Hou
  • Patent number: 11495779
    Abstract: The present disclosure discloses a pixel defining layer and a manufacturing method thereof, an array substrate and a display device, and belongs to the field of display technology. The pixel defining layer includes a plurality of pixel defining structures arranged in an array, wherein the pixel defining structure includes a first bottom surface and a second bottom surface opposite each other, and a side surface located between the first bottom surface and the second bottom surface. Since the side surface is non-planar, the structure between the side surface and the bottom surface close to the base substrate constitutes a capillary structure. During the inkjet printing process, the solution in which the organic light emitting material is dissolved can spread more evenly under the attraction of the capillary structure.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: November 8, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventor: Wenjun Hou
  • Publication number: 20220254815
    Abstract: Provided is an array substrate, comprising a plurality of opening regions. The array substrate further comprises a substrate and at least one functional layer stacked on one side of the substrate. The functional layer comprises a plurality of functional patterns and at least one supplementary pattern, the plurality of functional patterns are configured to transmit electrical signals, and there is a gas region between the plurality of functional patterns; the at least one supplementary pattern is at least provided in at least one opening region, and the supplementary pattern is located in the gap region between the plurality of functional patterns. The plurality of functional patterns and the at least one supplementary pattern are spaced apart, and the plurality of functional patterns and the at least one supplementary pattern are arranged at substantially equal intervals.
    Type: Application
    Filed: February 2, 2021
    Publication date: August 11, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qing DAI, Wenjun HOU
  • Patent number: 11404485
    Abstract: The present disclosure generally relates to display technologies. An array substrate may include a plurality of first pixel units and a plurality of second pixel units arranged in alternating manner. Each of the plurality of first pixel units may include a first plurality of subpixels, each of the first plurality of subpixels comprising a functional stack that has a thickness of from 180 to 360 nm. Each of the plurality of second pixel units may include a second plurality of subpixels, each of the second plurality of subpixels comprising a functional stack that has a thickness of from 80 to 140 nm.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: August 2, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenjun Hou
  • Publication number: 20220231255
    Abstract: A substrate and a preparation method thereof, a display panel and a preparation method thereof, and a display device are provided. The substrate includes a display region and a peripheral region positioned in a periphery of the display region and used for sealing, the substrate includes: a base substrate; an insulating layer, arranged on a side of the base substrate and positioned in the display region and the peripheral region for sealing; and a plurality of pixel units, positioned on the insulating layer corresponding to the display region, and in the peripheral region, at least one groove is disposed on a side of the insulating layer which faces away from the base substrate, a side of the groove which is away from the base substrate is open, and a depth direction of the groove is perpendicular to the base substrate.
    Type: Application
    Filed: April 7, 2022
    Publication date: July 21, 2022
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li SUN, Wenjun HOU, Chengyuan LUO
  • Patent number: 11387298
    Abstract: A display panel, a fabrication method thereof, and a display device are disclosed. The display panel includes: a substrate; a pixel defining layer located on the substrate, the pixel defining layer including: a plurality of openings and a bank enclosing each opening, the bank including a notch; and a first electrode, located at a bottom of each opening and extending into the notch, wherein with respect to a plane where the substrate is located, a height of the first electrode is less than or equal to a maximum height of the notch.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: July 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenjun Hou
  • Patent number: 11342529
    Abstract: There are provided an OLED device, a manufacturing method thereof, and a display apparatus. The OLED device includes: a first substrate; at least one auxiliary electrode disposed on the first substrate; a pixel defining structure disposed on the first substrate; and a plurality of light emitting units disposed on the first substrate. Each light emitting unit includes a first electrode, a second electrode and a light emitting layer, and the first electrode is located on a side of the second electrode distal to the first substrate, and the light emitting layer is located between the first electrode and the second electrode. The auxiliary electrode is disposed inside the pixel defining structure and electrically coupled to the first electrode.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunjing Hu, Wenjun Hou
  • Patent number: 11335879
    Abstract: A substrate and a preparation method thereof, a display panel and a preparation method thereof, and a display device are provided. The substrate includes a display region and a peripheral region positioned in a periphery of the display region and used for sealing, the substrate includes: a base substrate; an insulating layer, arranged on a side of the base substrate and positioned in the display region and the peripheral region for sealing; and a plurality of pixel units, positioned on the insulating layer corresponding to the display region, and in the peripheral region, at least one groove is disposed on a side of the insulating layer which faces away from the base substrate, a side of the groove which is away from the base substrate is open, and a depth direction of the groove is perpendicular to the base substrate.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: May 17, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Sun, Wenjun Hou, Chengyuan Luo
  • Patent number: 11271184
    Abstract: The present disclosure provides an OLED package structure, OLED device, display device and method for fabricating OLED package structure. The OLED package structure includes a substrate, a cover plate and a first sealant layer. The substrate, the cover plate and the first sealant layer together delimiting a sealed space. The OLED package structure further includes a functional sealant layer formed by filling the sealed space with a functional sealant, and a second sealant layer formed by a second sealant disposed between the substrate and the functional sealant layer. The second sealant has a density less than a density of the functional sealant.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: March 8, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Donghui Yu, Wenjun Hou
  • Publication number: 20220069026
    Abstract: A display substrate having a display area is provided. The display substrate includes a base and a plurality of light-emitting devices disposed on the base and located in the display area. Each light-emitting device includes a light-emitting portion. In at least one light-emitting device, the light-emitting portion is manufactured using an ink-jet printing process. Distances from a plurality of selected points on an edge of an orthographic projection of the light-emitting portion manufactured using the ink-jet printing process on the base to a center of the orthographic projection are equal. Using the center of the orthographic projection as a center of a circle and a distance from a selected point in the plurality of selected points to the center of the orthographic projection as a radius, the plurality of selected points are distributed on the circle at equal intervals.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 3, 2022
    Inventor: Wenjun HOU
  • Patent number: 11264438
    Abstract: An organic light-emitting diode (OLED) display panel includes: a base substrate; one or more thin-film transistor (TFT) structures provided over the base substrate; a planarization layer provided over the TFT structures; anodes provided on an upper surface of the planarization layer; a pixel defining layer provided over the planarization layer defining a plurality of pixel regions, wherein each anode includes an upper surface being exposed in each of the pixel regions; an organic functional layer provided over the anodes; and a cathode provided over the organic functional layer; wherein a sheet resistance of the portion of the anodes that is proximal to the pixel defining layer is smaller than a sheet resistance of the portion of the anodes that is opposite from the pixel defining layer.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: March 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenjun Hou
  • Patent number: 11251241
    Abstract: A pixel defining structure and a fabrication method thereof, a display substrate and a jet printing method are provided. The pixel defining structure includes a substrate, and a plurality of pixel defining units on the substrate, including at least one first pixel defining unit and at least one second pixel defining unit which are arranged along a first direction and a second direction which intersect with each other, wherein each pixel defining unit has a first surface and a second surface opposite to each other and an opening communicating the first surface with the second surface, wherein, the inward inclination angle of at least one side edge of the at least one second pixel defining unit is smaller than the inward inclination angle of at least one side edge of the at least one first pixel defining unit.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenjun Hou
  • Patent number: 11244991
    Abstract: This disclosure relates to a production method of a display substrate, a display substrate, and a display apparatus. This production method comprises steps of: forming a thin film for a pixel defining layer used to define a light-emitting area of each sub-pixel on a base substrate; forming nanoparticles in a preset area of the thin film for the pixel defining layer, wherein the preset area is an area corresponding to a place between adjacent sub-pixels; and performing patterning treatment on the thin film for the pixel defining layer formed with the nanoparticles, with a material in the preset area being retained, to form a pattern of the pixel defining layer.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: February 8, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenjun Hou