Patents by Inventor Dejiang Zhao

Dejiang Zhao 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: 11957022
    Abstract: A display panel includes a first base substrate, a plurality of light sources on the first base substrate, a second base substrate opposite to the first base substrate, a light conversion structure on the second base substrate, a plurality of extinction structures on a side of the light conversion structure facing the first base substrate, a first channel formed between any two adjacent extinction structures, a plurality of first optical structures on a side of the light conversion structure facing the first base substrate, wherein the plurality of first optical structures are respectively located in the first channels each between any two adjacent extinction structures, and a filler portion between the plurality of light sources and the plurality of first optical structures. The filler portion contains a material with a refractive index greater than that of a material of the first optical structure, and the extinction structure contains light-absorbing material.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: April 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Wei Huang, Yang Li, Yu Tian, Tianhao Lu, Qian Jin
  • Patent number: 11906838
    Abstract: A display module, a method of manufacturing the same, and a display device are provided. The display module comprises: a light guide plate; a blue light source, disposed at the light entering face of the light guide plate; and a display panel, disposed at a side of the light exiting face of the light guide plate, the display panel comprises a plurality of display units, and adjacent display units are spaced apart with a light shielding barrier wall; each display unit comprises a quantum dot unit and a liquid crystal unit arranged side by side, and the liquid crystal unit and the quantum dot unit are spaced apart with a transparent barrier wall; a side of the liquid crystal unit away from the light guide plate is provided with a first light shielding pattern.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: February 20, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dejiang Zhao, Lu Wang
  • Publication number: 20240049515
    Abstract: A display panel includes a pixel defining layer and light-emitting layers. The pixel defining layer includes pixel channels each of which includes first pixel regions, second pixel regions and third pixel regions arranged alternately. An extension direction of the first pixel region intersects with extension directions of the second pixel region and third pixel region. The first pixel regions are configured to bear ink of a printed functional layer material, and the second pixel regions and the third pixel regions are configured to bear ink drained from the first pixel regions. Inclination angles of the second pixel region and the third pixel region are complementary in a first direction. The light-emitting layers are in the pixel channels. Light-emitting layers in adjacent pixel channels have different colors, and light-emitting layers in different pixel regions of one pixel channel have the same color.
    Type: Application
    Filed: May 7, 2021
    Publication date: February 8, 2024
    Inventor: Dejiang ZHAO
  • Patent number: 11744115
    Abstract: A display panel having a pixel defining layer defining subpixel apertures of subpixels is provided. The pixel defining layer is a unitary structure including column portions and row portions. A respective row portion is between two adjacent subpixel apertures that are in a same column and respectively from two adjacent rows. A respective column portion is in a space between two adjacent columns of subpixel apertures, spacing apart multiple pairs of adjacent row portions respectively in multiple rows. A respective row portion includes a depression part configured to allow fluid communication of an ink solution between the two adjacent subpixel apertures in the same column and respectively from the two adjacent rows. A minimum height of the depression part relative to a base substrate is less than a minimum height of a column portion adjacent to the respective row portion relative to the base substrate.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: August 29, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Dejiang Zhao
  • Patent number: 11744118
    Abstract: The present disclosure generally relates to the field of display technology, and in particular, to an array substrate, a method of fabricating the array substrate, a display panel including the array substrate, and a method of fabricating the display panel. An array substrate includes: a base substrate; an electrode layer provided on the substrate; a first pixel defining layer on the electrode layer defining a plurality of pixel regions; and a second pixel defining layer on the first pixel defining layer, wherein the second pixel defining layer has a plurality of first grooves and a plurality of second grooves alternately arranged between two adjacent rows of pixel regions.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: August 29, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Wenqi Liu
  • Publication number: 20230247866
    Abstract: Provided in the present disclosure are a display substrate and a preparation method therefor, and a display apparatus. The display substrate comprises a plurality of first pixel definition structures, second pixel definition structures, and third pixel definition structures; the first pixel definition structures each have an elongated shape extending along a first direction and are sequentially arranged along a second direction; the second pixel definition structures are disposed at intervals between the first pixel definition strictures, and at least one third pixel definition structure is disposed between the first pixel definition structures and the second pixel definition structures; and the height of the third pixel definition structures is less than the height of the second pixel definition structures.
    Type: Application
    Filed: March 9, 2022
    Publication date: August 3, 2023
    Inventors: Dejiang ZHAO, Xiaojie PAN
  • Publication number: 20230247890
    Abstract: A sub pixel includes an active layer, a gate insulating layer, a gate, an interlayer insulating layer, a source-drain layer, a first planarization layer, and an anode. The anode includes: a reflection layer located on the side of the first planarization layer away from the base substrate and including reflection parts arranged at intervals; a second planarization located on the side of the reflection layer away from the base substrate and covers the reflection layer and the base substrate; and a first transparent electrode layer located on the side of the second planarization layer away from the base substrate and includes first electrodes arranged at intervals. There is at least an overlapping area between orthographic projections of the first electrodes on the base substrate and orthographic projections of the reflection parts on the base substrate in a same sub-pixel.
    Type: Application
    Filed: May 7, 2021
    Publication date: August 3, 2023
    Inventors: Dejiang ZHAO, Xue DONG, Wei HUANG
  • Publication number: 20220399528
    Abstract: The present disclosure provides an organic light-emitting display substrate and a display device. The display substrate includes a base substrate, a driving circuit layer on the base substrate and a light-emitting device on one side of the driving circuit layer away from the base substrate. The light-emitting device includes a first electrode layer including separated first electrode patterns. The display substrate further includes a reflective metal layer insulated from the first electrode layer. An orthographic projection of each reflective metal pattern onto the base substrate overlaps an orthographic projection of at least two first electrode patterns onto the base substrate, which can appropriately reduce a thickness of an anode layer due to the presence of the reflective metal layer, thereby reducing segment difference of the light-emitting layer near the anode, improving the uniformity of the light-emitting layer, and improving performance of the display panel.
    Type: Application
    Filed: December 23, 2020
    Publication date: December 15, 2022
    Inventors: Dejiang ZHAO, Xue DONG
  • Publication number: 20220390795
    Abstract: A display module, a method of manufacturing the same, and a display device are provided. The display module comprises: a light guide plate; a blue light source, disposed at the light entering face of the light guide plate; and a display panel, disposed at a side of the light exiting face of the light guide plate, the display panel comprises a plurality of display units, and adjacent display units are spaced apart with a light shielding barrier wall; each display unit comprises a quantum dot unit and a liquid crystal unit arranged side by side, and the liquid crystal unit and the quantum dot unit are spaced apart with a transparent barrier wall; a side of the liquid crystal unit away from the light guide plate is provided with a first light shielding pattern.
    Type: Application
    Filed: June 15, 2021
    Publication date: December 8, 2022
    Inventors: Dejiang ZHAO, Lu WANG
  • Publication number: 20220359627
    Abstract: A display substrate is provided, including a base substrate, an anode layer arranged on the base substrate, a pixel definition layer arranged at a side of the anode layer away from the base substrate and configured to define a plurality of pixels, and a plurality of pixel banks arranged on the pixel definition layer. The pixel definition layer and the plurality of pixel banks are arranged in such a manner as to divide each pixel into a plurality of subpixels.
    Type: Application
    Filed: March 30, 2021
    Publication date: November 10, 2022
    Inventors: Dejiang ZHAO, Guangcai YUAN
  • Publication number: 20220352434
    Abstract: A light-emitting device includes: a light-emitting element; a light conversion layer disposed on a light exit side of the light-emitting element and including a first portion and a second portion located on a side of the first portion in a first direction; a first material layer disposed between the light-emitting element and the light conversion layer and configured such that light emitted by the light-emitting element is incident into the light conversion layer; and a second material layer on a side of the first material layer in the first direction, a third material layer on a side face of the light conversion layer, and a fourth material layer on a side of the light conversion layer away from the light-emitting element, which are configured such that light unconverted by the light conversion layer is reflected on surfaces of a structure formed by the second, third and fourth material layers.
    Type: Application
    Filed: November 19, 2020
    Publication date: November 3, 2022
    Inventors: Tianhao LU, Wei HUANG, Dejiang ZHAO, Yu TIAN, Xiaoyun LIU, Qian SUN, Qian JIN, Yang LI
  • Patent number: 11462687
    Abstract: The embodiments of the present disclosure provide a method of fabricating a display backplate. The method of fabricating the display backplate may include forming a channel layer on a surface of a substrate. The channel layer may include a liquid storage portion, a plurality of pixel channels, and a plurality of moving electrodes. Each of the plurality of pixel channels may include a plurality of sub-pixel grooves. The method of fabricating the display backplate may further include printing ink droplets into the liquid storage portion and moving the ink droplets into the plurality of sub-pixel grooves by applying a moving voltage to the moving electrodes.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: October 4, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Dejiang Zhao, Guangcai Yuan
  • Publication number: 20220246699
    Abstract: The present disclosure generally relates to the field of display technology, and in particular, to an array substrate, a method of fabricating the array substrate, a display panel including the array substrate, and a method of fabricating the display panel. An array substrate includes: a base substrate; an electrode layer provided on the substrate; a first pixel defining layer on the electrode layer defining a plurality of pixel regions; and a second pixel defining layer on the first pixel defining layer, wherein the second pixel defining layer has a plurality of first grooves and a plurality of second grooves alternately arranged between two adjacent rows of pixel regions.
    Type: Application
    Filed: April 14, 2022
    Publication date: August 4, 2022
    Inventors: Dejiang ZHAO, Wenqi LIU
  • Patent number: 11402685
    Abstract: A display substrate includes a base, and at least one light output device and at least one reflecting device both disposed above the base. The at least one light output device and the at least one reflecting device are disposed adjacent to each other. Each reflecting device is configured to reflect incident light that is incident to the reflecting device in a direction perpendicular to the base into one or more light output devices disposed on a side of the reflecting device. Each light output device is configured to emit display light in response to the received incident light.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: August 2, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Publication number: 20220157891
    Abstract: A display panel includes a first base substrate, a plurality of light sources on the first base substrate, a second base substrate opposite to the first base substrate, a light conversion structure on the second base substrate, a plurality of extinction structures on a side of the light conversion structure facing the first base substrate, a first channel formed between any two adjacent extinction structures, a plurality of first optical structures on a side of the light conversion structure facing the first base substrate, wherein the plurality of first optical structures are respectively located in the first channels each between any two adjacent extinction structures, and a filler portion between the plurality of light sources and the plurality of first optical structures. The filler portion contains a material with a refractive index greater than that of a material of the first optical structure, and the extinction structure contains light-absorbing material.
    Type: Application
    Filed: June 25, 2021
    Publication date: May 19, 2022
    Inventors: Dejiang Zhao, Wei Huang, Yang Li, Yu Tian, Tianhao Lu, Qian Jin
  • Patent number: 11322560
    Abstract: The present disclosure generally relates to the field of display technology, and in particular, to an array substrate, a method of fabricating the array substrate, a display panel including the army substrate, and a method of fabricating the display panel. An array substrate includes: a base substrate; an electrode layer provided on the substrate; a first pixel defining layer on the electrode layer defining a plurality of pixel regions; and a second pixel defining layer on the first pixel defining layer, wherein the second pixel defining layer has a plurality of first grooves and a plurality of second grooves alternately arranged between two adjacent rows of pixel regions.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: May 3, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Wenqi Liu
  • Patent number: 11233101
    Abstract: The present disclosure provides a display substrate, a display device, and a method manufacturing of a display substrate, pertaining to the field of display devices. The display substrate includes a base substrate and a pixel defining layer. The pixel defining layer divides the base substrate into a plurality of sub-pixel regions. An orthographic projection of the at least one sub-pixel region on the base substrate is substantially quadrangular. The first side and the third side of the quadrilateral are inwardly recessed toward each other.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: January 25, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Dejiang Zhao, Yang Yang, Xiaojie Pan
  • Patent number: 11189796
    Abstract: Embodiments of the disclosure provide an array substrate and a manufacturing method thereof, and a display panel. The array substrate includes a base substrate, and a plurality of sub-pixel areas arranged on the base substrate and arranged in arrays, wherein each sub-pixel area includes an electrode structure, a function layer and a blocking layer arranged on the base substrate in sequence; the function layer includes a plurality of accommodating cavities arranged spaced with each other; the blocking layer is lyophobic and includes through holes in one-to-one corresponding to the accommodating cavities one by one; each sub-pixel area in the structure of the above array substrate includes a plurality of uniformly distributed accommodating cavities, and a charged solution is filled into the accommodating cavities.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: November 30, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Dejiang Zhao
  • Publication number: 20210288120
    Abstract: The present disclosure generally relates to the field of display technology, and in particular, to an array substrate, a method of fabricating the array substrate, a display panel including the army substrate, and a method of fabricating the display panel. An array substrate includes: a base substrate; an electrode layer provided on the substrate; a first pixel defining layer on the electrode layer defining a plurality of pixel regions; and a second pixel defining layer on the first pixel defining layer, wherein the second pixel defining layer has a plurality of first grooves and a plurality of second grooves alternately arranged between two adjacent rows of pixel regions.
    Type: Application
    Filed: April 20, 2018
    Publication date: September 16, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Wenqi Liu
  • Publication number: 20210273030
    Abstract: A display panel having a pixel defining layer defining subpixel apertures of subpixels is provided. The pixel defining layer is a unitary structure including column portions and row portions. A respective row portion is between two adjacent subpixel apertures that are in a same column and respectively from two adjacent rows. A respective column portion is in a space between two adjacent columns of subpixel apertures, spacing apart multiple pairs of adjacent row portions respectively in multiple rows. A respective row portion includes a depression part configured to allow fluid communication of an ink solution between the two adjacent subpixel apertures in the same column and respectively from the two adjacent rows. A minimum height of the depression part relative to a base substrate is less than a minimum height of a column portion adjacent to the respective row portion relative to the base substrate.
    Type: Application
    Filed: May 17, 2021
    Publication date: September 2, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao