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: 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
  • Publication number: 20210226125
    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: Application
    Filed: December 4, 2019
    Publication date: July 22, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Guangcai Yuan
  • Publication number: 20210217960
    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: Application
    Filed: December 13, 2019
    Publication date: July 15, 2021
    Inventor: Dejiang ZHAO
  • Patent number: 11031578
    Abstract: The present disclosure discloses a display substrate and a manufacturing thereof. The display substrate comprises a base substrate, a pixel defining layer formed on the base substrate, wherein the pixel defining layer is provided with an opening region comprising a bottom wall and at least one sidewall, wherein in the opening region, an edge of the bottom wall is provided with at least one hydrophilic inducing column, wherein at least one of the hydrophilic inducing column has a hydrophilic surface.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: June 8, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Yimin Chen
  • Patent number: 11031444
    Abstract: The present application discloses a display panel including a base substrate and a pixel-defining layer on a surface on the base substrate to define multiple subpixel regions arranged in multiple rows with each subpixel region surrounded by part of the pixel-defining layer. The pixel-defining layer includes one or more grooves. Each groove includes a container portion partially surrounded by an edge portion. The container portion is at a first height above the surface and the edge portion is at a second height greater than the first height relative to the surface. The edge portion of each groove includes one or more gaps to allow the container portion to connect to one or more subpixel regions respectively in one or two rows at one or both sides of the groove.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: June 8, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Publication number: 20210028253
    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: Application
    Filed: May 31, 2018
    Publication date: January 28, 2021
    Inventors: Dejiang Zhao, Yang Yang, Xiaojie Pan
  • Publication number: 20210011340
    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: Application
    Filed: June 16, 2020
    Publication date: January 14, 2021
    Inventor: Dejiang ZHAO
  • Patent number: 10886344
    Abstract: A display substrate, a manufacturing method thereof and a display device are provided. Pixel regions of the display substrate are divided into a plurality of pixel groups, and a plurality of guide bars is arranged at a surface of a pixel definition layer between at least parts of adjacent pixel regions in each pixel group. A guide groove is formed between two adjacent guide bars, so as to guide the flow of ink, thereby to enable the ink to be uniformly distributed at all the pixel regions in each pixel group.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: January 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai Yuan, Dejiang Zhao
  • Patent number: 10883167
    Abstract: A crucible, an evaporation source and an evaporation device are disclosed. The crucible includes a crucible body. The crucible body includes: an inner heating layer with a first heater assembly and an outer heating layer with a second heater assembly. The outer heating layer is at a periphery of the inner heating layer, and surrounds the inner heating layer, and a space between the outer heating layer and the inner heating layer defines an accommodation space for a to-be-evaporated material.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: January 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Guangcai Yuan
  • Publication number: 20200303686
    Abstract: The present disclosure discloses a display substrate and a manufacturing thereof. The display substrate comprises a base substrate, a pixel defining layer formed on the base substrate, wherein the pixel defining layer is provided with an opening region comprising a bottom wall and at least one sidewall, wherein in the opening region, an edge of the bottom wall is provided with at least one hydrophilic inducing column, wherein at least one of the hydrophilic inducing column has a hydrophilic surface.
    Type: Application
    Filed: September 18, 2017
    Publication date: September 24, 2020
    Inventors: Dejiang ZHAO, Yimin CHEN
  • Patent number: 10777616
    Abstract: This disclosure provides a pixel arrangement structure, a pixel structure and a production method thereof, an array substrate, and a display panel. The pixel arrangement structure comprises: a plurality of first pixel units and second pixel units which are arranged alternately in both of row direction and column direction; wherein each of the pixel units comprises nine zones forming an array of three rows by three columns, and there are first, second, and third sub-pixels, first and second retention regions, and an optional fourth sub-pixel in these zones, respectively.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: September 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Guangcai Yuan
  • Patent number: 10751992
    Abstract: An inkjet amount measuring system, an inkjet amount measuring method and an inkjet amount controlling method. The inkjet amount measuring system includes: an inkjet printing spray head; and electricity applying device configured to apply electric charges to ink droplets passing through a nozzle of the inkjet printing spray head; a magnetic field generating device configured to generate a magnetic field to deflect the charged ink droplets; a test board having a surface for carrying ink droplets; and a processor configured to calculate an amount of ink droplets according to positions of falling points of the ink droplets on the surface of the test board, an electric charge amount of the ink droplets, and a magnetic field intensity.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: August 25, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Publication number: 20200243621
    Abstract: The present application discloses a display panel including a base substrate and a pixel-defining layer on a surface on the base substrate to define multiple subpixel regions arranged in multiple rows with each subpixel region surrounded by part of the pixel-defining layer. The pixel-defining layer includes one or more grooves. Each groove includes a container portion partially surrounded by an edge portion. The container portion is at a first height above the surface and the edge portion is at a second height greater than the first height relative to the surface.
    Type: Application
    Filed: September 22, 2017
    Publication date: July 30, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Patent number: 10720588
    Abstract: A substrate and a method of manufacturing the same, a display panel, and a display device are provided, the substrate includes: a base substrate; a defining layer on the base substrate, the defining layer enclosing at least one printing region, the defining layer including: a first sub-defining layer on the base substrate; and a second sub-defining layer on a side of the first sub-defining layer away from the base substrate; and at least one pillar on the side of the first sub-defining layer away from the base substrate and in the at least one printing region, the at least one pillar is configured to break surface tension of ink formed in the at least one printing region.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: July 21, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Patent number: 10690834
    Abstract: The present disclosure relates to the field of display technologies, and especially discloses a backlight device and a method for manufacturing the same. The backlight device includes a backlight source, a light guide plate, a reflective layer, an optical adhesive layer and an outcoupling structure. Specifically, in the backlight device, the reflective layer and the light guide plate are located on opposite sides of the backlight source respectively.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: June 23, 2020
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan Wang, Yunyun Tian, Zezhou Yang, Yonglian Qi, Dejiang Zhao, Minqi Chen, Tao Liu, Shi Shu
  • Publication number: 20200176522
    Abstract: This disclosure provides a pixel arrangement structure, a pixel structure and a production method thereof, an array substrate, and a display panel. The pixel arrangement structure comprises: a plurality of first pixel units and second pixel units which are arranged alternately in both of row direction and column direction; wherein each of the pixel units comprises nine zones forming an array of three rows by three columns, and there are first, second, and third sub-pixels, first and second retention regions, and an optional fourth sub-pixel in these zones, respectively.
    Type: Application
    Filed: July 12, 2018
    Publication date: June 4, 2020
    Inventors: Dejiang Zhao, Guangcai Yuan
  • Publication number: 20200156371
    Abstract: An inkjet amount measuring system, an inkjet amount measuring method and an inkjet amount controlling method. The inkjet amount measuring system includes: an inkjet printing spray head; and electricity applying device configured to apply electric charges to ink droplets passing through a nozzle of the inkjet printing spray head; a magnetic field generating device configured to generate a magnetic field to deflect the charged ink droplets; a test board having a surface for carrying ink droplets; and a processor configured to calculate an amount of ink droplets according to positions of falling points of the ink droplets on the surface of the test board, an electric charge amount of the ink droplets, and a magnetic field intensity.
    Type: Application
    Filed: May 30, 2018
    Publication date: May 21, 2020
    Inventor: Dejiang Zhao
  • Patent number: 10580843
    Abstract: Embodiments of the present invention provide a substrate and a fabrication method thereof, and a display device. The substrate includes a base and a pixel defining layer in which a plurality of openings are formed, the pixel defining layer includes a first defining layer, a second defining layer and a third defining layer sequentially stacked on the base, wherein, the second defining layer is configured as a conductive layer, and an orthogonal projection of the second defining layer on the base is at least partially located outside an orthogonal projection of a side of the third defining layer close to the base on the base.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: March 3, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Guangcai Yuan, Liwen Dong