Patents by Inventor Xiangmin Wen

Xiangmin Wen 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: 20250133931
    Abstract: The present disclosure provides a display substrate, a method for manufacturing the display substrate and a display apparatus, wherein the display substrate includes: a base substrate; an anode layer arranged on the base substrate and comprising a plurality of anodes arranged at intervals; a pixel defining layer disposed on the base substrate, the pixel defining layer defining a plurality of pixel areas and covering an edge area of each of the anodes; a light-emitting functional layer arranged on a side of the anode layer away from the base substrate, the light-emitting functional layer at least covering the pixel areas; and a cathode layer and a metal patterning layer arranged on a side of the light-emitting functional layer away from the base substrate.
    Type: Application
    Filed: January 3, 2023
    Publication date: April 24, 2025
    Inventors: Yansong LI, Haidong WU, Jingbo XU, Xiaobo DU, Pengfei ZUO, Na BI, Xiangmin WEN
  • Publication number: 20250126970
    Abstract: A light-emitting device includes a first electrode; a second electrode; N light-emitting units stacked between the first electrode and the second electrode; and a connection layer disposed between any two adjacent light-emitting units. A peak of an intrinsic spectrum of at least part of light-emitting units is in a range from 400 nm to 480 nm. A sum of peaks of intrinsic spectra of the N light-emitting units is in a range from N×400 nm to N×480 nm; N?2, and N is a positive integer. A difference between a color coordinate y value of the light-emitting device under a blue image at a preset viewing angle that is in a range from 60° to 75° and a color coordinate y value of the light-emitting device under the blue image at a viewing angle of 0° is in a range from 0 to 0.07.
    Type: Application
    Filed: March 16, 2023
    Publication date: April 17, 2025
    Inventors: Shun Wang, Hao Gao, Yansong Li, Cheng Han, Yan Fan, Xiangmin Wen, Bingwei Yang
  • Patent number: 12217667
    Abstract: The disclosure provides a display panel, a compensation of brightness method and a displaying device. The display panel comprises an array substrate, a luminescent layer, a plurality of optical film layers and a photoelectric sensor, wherein the luminescent layer is located on one side of the array substrate, the array substrate is used for driving the luminescent layer to emit light, the optical film layers are located on a side, away from the array substrate, of the luminescent layer, light emitted by the luminescent layer forms optical waveguide on the array substrate and/or the optical film layers, and the photoelectric sensor is used for acquiring the optical waveguide to perform compensation of brightness on the light emitted by the luminescent layer according to data of the optical waveguide.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: February 4, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xing Fan, Chao Kong, Xiangmin Wen
  • Publication number: 20250040342
    Abstract: The present disclosure provides a display panel, and belongs to the technical field of display. The display panel in the present application includes a base substrate and a plurality of pixel units on the base substrate. Each of the pixel units includes a plurality of light-emitting units emitting light in different colors. Each of the the plurality of light-emitting unit includes a first electrode, an organic functional layer and a second electrode stacked sequentially along a direction away from the base substrate. Among the plurality of light-emitting units emitting light in different colors in each pixel unit, the second electrode of the light-emitting unit emitting light with a shortest wavelength has a smallest thickness along a direction perpendicular to the base substrate.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 30, 2025
    Inventors: Xiangmin WEN, Na BI, Yansong LI, Haidong WU, Yan FAN, Hao GAO, Cheng HAN
  • Publication number: 20240397799
    Abstract: A light-emitting panel and a manufacturing method thereof, and a light-emitting apparatus are provided, which relate to the technical field of photoelectric technology. The light-emitting panel includes: a light-emitting substrate including a light-emitting area and a non-light-emitting area surrounding the light-emitting area; a first packaging layer disposed at a light emitting side of the light-emitting substrate; a low refractive index layer disposed at a side of a first packaging layer away from the light-emitting substrate, the low refractive index layer being arranged around the light-emitting area; a high refractive index layer disposed at sides of the low refractive index layer and the first packaging layer away from the light-emitting substrate, an orthographic projection of the high refractive index layer on the light-emitting substrate covering the light-emitting area, and the high refractive index layer covering a side surface of the low refractive index layer facing the light-emitting area.
    Type: Application
    Filed: September 28, 2022
    Publication date: November 28, 2024
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Cheng Han, Qixiao Wu, Songquan Wu, Xu Li, Yanming Wang, Xiangmin Wen, Yansong Li
  • Publication number: 20240292665
    Abstract: Provided are a display panel and a manufacturing method thereof and a display device. The display panel includes: a base substrate; a pixel defining layer including first openings defining sub-pixels; an encapsulation layer; and a light modulation layer. The light modulation layer is configured such that light from each of at least one sub-pixel propagates along a direction away from the base substrate after total reflection upon incidence on an interface between the first light modulation portion in a corresponding second opening and the first light modulation sub-layer. The display panel satisfies at least one of a first condition or a second condition. The first condition is that at least a part of edge of the first orthographic projection has a recess. The second condition is that at least a part of edge of the second orthogonal projection has at least one of a recess or a protrusion.
    Type: Application
    Filed: April 24, 2022
    Publication date: August 29, 2024
    Inventors: Cheng Han, Kaijia Jin, Xing Fan, Yanming Wang, Qixiao Wu, Xiangmin Wen, Bingwei Yang, Shun Wang, Songquan Wu, Yansong Li
  • Publication number: 20240260411
    Abstract: A light emitting substrate includes: a first base substrate, a plurality of light emitting devices located on the first base substrate, wherein the light emitting devices include a first light emitting device, a second light emitting device and a third light emitting device, each of the light emitting devices includes a first electrode layer, a light emitting functional layer and a second electrode layer which are stacked, the light emitting functional layer includes an emitting layer including a first emitting layer in the first light emitting device, a second emitting layer in the second light emitting device and a third emitting layer in the third light emitting device; the material of the first emitting layer is different from the material of the second emitting layer, and the material of the first emitting layer is different from the material of the third emitting layer.
    Type: Application
    Filed: June 21, 2022
    Publication date: August 1, 2024
    Inventors: Zhihui ZHANG, Bei WANG, Hao GAO, Yan FAN, Xiangmin WEN
  • Patent number: 12035554
    Abstract: The present disclosure provides an organic electroluminescent device and a manufacturing method thereof. The organic electroluminescent device includes an anode, an electron transport layer and a cathode. The material of the electron transport layer includes a mixture of a first electron transport material and a second electron transport material, the lowest unoccupied molecular orbital energy level of the first electron transport material is higher than that of the second electron transport material, and the ratio of the first electron transport material to the second electron transport material first decreases and then increases in the direction from the cathode to the anode.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: July 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiangmin Wen, Xing Fan, Yan Fan, Hao Gao
  • Publication number: 20240224584
    Abstract: A display device and a display panel thereof, and an OLED display device are provided. The OLED display device includes: a red light-emitting structure, a green light-emitting structure, and a blue light-emitting structure, where (n3z-n3xy)-(n1z-n1xy)?a first preset value, and (n3z-n3xy)-(n2z-n2xy)?a second preset value, where ranges of both the first preset value and the second preset value are 0.1˜0.
    Type: Application
    Filed: October 26, 2021
    Publication date: July 4, 2024
    Inventors: Hao GAO, Yan FAN, Xing FAN, Xu LI, Zhihui ZHANG, Xiangmin WEN
  • Patent number: 11502143
    Abstract: A display back panel may include a substrate, an insulating layer disposed on one side of the substrate and including a plurality of recesses, the plurality of recesses including a bottom surface, a first electrode disposed on a surface of the insulating layer away from the substrate, a pixel defining layer disposed on a surface of the first electrode away from the substrate and including a plurality of openings, a light-emitting layer disposed in the plurality of openings and covering the first electrode, and a second electrode disposed on a surface of the light-emitting layer away from the substrate. Therein, the first electrode may reflect waveguide light laterally propagated by the light-emitting layer, thereby improving a light-emitting efficiency of the light-emitting layer. Further, the reflected waveguide light may not be absorbed by the second electrode, thereby enhancing an external quantum effect of the light-emitting layer.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: November 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Fan, Hao Gao, Lujiang Huangfu, Yan Fan, Xiangmin Wen
  • Publication number: 20220293050
    Abstract: The disclosure provides a display panel, a compensation of brightness method and a displaying device. The display panel comprises an array substrate, a luminescent layer, a plurality of optical film layers and a photoelectric sensor, wherein the luminescent layer is located on one side of the array substrate, the array substrate is used for driving the luminescent layer to emit light, the optical film layers are located on a side, away from the array substrate, of the luminescent layer, light emitted by the luminescent layer forms optical waveguide on the array substrate and/or the optical film layers, and the photoelectric sensor is used for acquiring the optical waveguide to perform compensation of brightness on the light emitted by the luminescent layer according to data of the optical waveguide.
    Type: Application
    Filed: October 25, 2021
    Publication date: September 15, 2022
    Inventors: Xing FAN, Chao KONG, Xiangmin WEN
  • Publication number: 20220231251
    Abstract: The present disclosure provides an organic electroluminescent device and a manufacturing method thereof. The organic electroluminescent device includes an anode, an electron transport layer and a cathode. The material of the electron transport layer includes a mixture of a first electron transport material and a second electron transport material, the lowest unoccupied molecular orbital energy level of the first electron transport material is higher than that of the second electron transport material, and the ratio of the first electron transport material to the second electron transport material first decreases and then increases in the direction from the cathode to the anode.
    Type: Application
    Filed: September 23, 2021
    Publication date: July 21, 2022
    Inventors: Xiangmin WEN, Xing FAN, Yan FAN, Hao GAO
  • Publication number: 20210408177
    Abstract: A display back panel may include a substrate, an insulating layer disposed on one side of the substrate and including a plurality of recesses, the plurality of recesses including a bottom surface, a first electrode disposed on a surface of the insulating layer away from the substrate, a pixel defining layer disposed on a surface of the first electrode away from the substrate and including a plurality of openings, a light-emitting layer disposed in the plurality of openings and covering the first electrode, and a second electrode disposed on a surface of the light-emitting layer away from the substrate. Therein, the first electrode may reflect waveguide light laterally propagated by the light-emitting layer, thereby improving a light-emitting efficiency of the light-emitting layer. Further, the reflected waveguide light may not be absorbed by the second electrode, thereby enhancing an external quantum effect of the light-emitting layer.
    Type: Application
    Filed: July 12, 2019
    Publication date: December 30, 2021
    Inventors: Xing FAN, Hao GAO, Lujiang HUANGFU, Yan FAN, Xiangmin WEN
  • Patent number: 10978664
    Abstract: A display panel and a method for manufacturing the same and a display device are disclosed. The display substrate includes: a base substrate having a plurality of pixel areas, at least one of the plurality of pixel areas including a first electrode layer, an organic functional layer and a second electrode layer stacked in sequence on the base substrate; and a third electrode layer on a side of the second electrode layer facing away from the base substrate; wherein the third electrode layer is electrically connected to the second electrode layer.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: April 13, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yan Fan, Xing Fan, Hao Gao, Xiangmin Wen
  • Patent number: 10680196
    Abstract: A display panel and a method for manufacturing the same and a display device are disclosed. The display substrate includes: a base substrate having a plurality of pixel areas, at least one of the plurality of pixel areas including a first electrode layer, an organic functional layer and a second electrode layer stacked in sequence on the base substrate; and a third electrode layer on a side of the second electrode layer facing away from the base substrate; wherein the third electrode layer is electrically connected to the second electrode layer.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: June 9, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yan Fan, Xing Fan, Hao Gao, Xiangmin Wen
  • Publication number: 20200168835
    Abstract: A display panel and a method for manufacturing the same and a display device are disclosed. The display substrate includes: a base substrate having a plurality of pixel areas, at least one of the plurality of pixel areas including a first electrode layer, an organic functional layer and a second electrode layer stacked in sequence on the base substrate; and a third electrode layer on a side of the second electrode layer facing away from the base substrate; wherein the third electrode layer is electrically connected to the second electrode layer.
    Type: Application
    Filed: May 10, 2019
    Publication date: May 28, 2020
    Inventors: Yan Fan, Xing Fan, Hao Gao, Xiangmin Wen