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: 10556424
    Abstract: An apparatus and method for detecting the volume of a liquid drop, and a method for adjusting the volume of a liquid drop are disclosed, so as to improve the convenience in making adjustment and measurement, and to alleviate a measure error. The detecting apparatus includes at least one measuring unit, where each of the at least one measuring unit includes: a first measurement groove, at least one second measurement groove, and a third measurement groove arranged adjacent to the second measurement groove, where the capacity of the first measurement groove is more than the total capacity of the second measurement grooves, the height of a sidewall of the first measurement groove shared by the second measurement groove arranged adjacent thereto is less than the height of a sidewall of the first measurement groove not shared by the second measurement groove.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: February 11, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Dejiang Zhao
  • Publication number: 20200044169
    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: Application
    Filed: May 22, 2019
    Publication date: February 6, 2020
    Inventor: Dejiang ZHAO
  • Publication number: 20190389202
    Abstract: An apparatus and method for detecting the volume of a liquid drop, and a method for adjusting the volume of a liquid drop are disclosed, so as to improve the convenience in making adjustment and measurement, and to alleviate a measure error. The detecting apparatus includes at least one measuring unit, where each of the at least one measuring unit includes: a first measurement groove, at least one second measurement groove, and a third measurement groove arranged adjacent to the second measurement groove, where the capacity of the first measurement groove is more than the total capacity of the second measurement grooves, the height of a sidewall of the first measurement groove shared by the second measurement groove arranged adjacent thereto is less than the height of a sidewall of the first measurement groove not shared by the second measurement groove.
    Type: Application
    Filed: August 24, 2017
    Publication date: December 26, 2019
    Inventor: Dejiang ZHAO
  • Patent number: 10487389
    Abstract: The present disclosure provides an evaporation device and an evaporation method using the evaporation device. The evaporation device includes a main chamber with an internal space and an evaporation mechanism under the main chamber. The evaporation mechanism includes at least two crucible accumulation chambers. The evaporation mechanism is configured to be operated in a first state where a first crucible accumulation chamber is at an evaporation position and in communication with the main chamber to form a vacuum space, and evaporation of a material in the crucible in the first crucible accumulation chamber is performed, and in a second state where, in a vacuum environment, the first crucible accumulation chamber is moved away from the evaporation position and a second crucible accumulation chamber is moved to the evaporation position and in communication with the main chamber.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: November 26, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Hao Wang, Seiji Fujino
  • Publication number: 20190333973
    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: Application
    Filed: May 14, 2018
    Publication date: October 31, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guangcai YUAN, Dejiang ZHAO
  • Patent number: 10461137
    Abstract: The disclosure provides an organic electroluminescent display panel, and a method for fabricating the same. The organic electroluminescent display panel includes a substrate, and a pixel defining layer and a light emitting layer arranged on the substrate, wherein the pixel defining layer includes a first pixel defining layer arranged on the substrate, and a second pixel defining layer arranged on the first pixel defining layer; the first pixel defining layer includes a plurality of first opening areas, each first opening area defines a sub-pixel light emitting area, and the light emitting layer is arranged in the first opening areas; and the second pixel defining layer includes a plurality of second opening areas, each second opening area defines a virtual pixel area, and each virtual pixel area includes at least two adjacent sub-pixel light emitting areas in the same color.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: October 29, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Dejiang Zhao
  • Patent number: 10439137
    Abstract: The present disclosure provides a pixel print structure, a manufacturing method thereof, a display device, and an inkjet printing method. The pixel print structure comprises a substrate, a first side wall and a second side wall located on the substrate, and an intermediate portion located between the first side wall and the second side wall, wherein the first side wall and the intermediate portion define a first area, and the second side wall and the intermediate portion define a second area.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: October 8, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Publication number: 20190237525
    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: Application
    Filed: September 20, 2018
    Publication date: August 1, 2019
    Inventors: Dejiang ZHAO, Guangcai YUAN, Liwen DONG
  • Publication number: 20190185990
    Abstract: An evaporator includes at least one feeding member and a heating member. Each feeding member is configured to transfer a source material in a transfer speed that is adjustable, and the heating member is configured to heat the source material transferred by the feeding member for evaporation to thereby generate a source material vapor. An evaporation coating apparatus further includes a coating chamber, an object holder, and a controller configured to control the transfer speed, wherein the evaporator and the object holder are both disposed inside the coating chamber, the object holder is configured to provide a platform for placing an object to be coated thereon, and the coating chamber is configured to provide an environment for the source material vapor vented out from the evaporator to attach to the object to thereby form a film of the source material onto the object.
    Type: Application
    Filed: April 1, 2017
    Publication date: June 20, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang ZHAO
  • Patent number: 10308036
    Abstract: Embodiments of the present disclosure provide a printhead, a printing equipment and a printing method. The printhead includes: a primary liquid discharging assembly, including a plurality of primary liquid discharging nozzles for forming primary droplets; and a plurality of flow branching components below the primary liquid discharging assembly, and the plurality of flow branching components being in one-to-one correspondence with the plurality of primary liquid discharging nozzles, wherein each of the plurality of flow branching component is configured to be in contact with the primary droplet formed by the corresponding primary liquid discharging nozzle of the plurality of primary liquid discharging nozzles, and split each of the primary droplets into at least two branched droplets.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: June 4, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Yang Yang, Xiaojie Pan, Bin Bu
  • Patent number: 10304915
    Abstract: The present application discloses a method of fabricating a display substrate. The method includes forming a sacrificial layer including a plurality of sacrificial blocks on a base substrate; forming a pixel definition material layer on the base substrate subsequent to forming the sacrificial layer; and removing the sacrificial layer thereby forming a pixel definition layer comprising a plurality of pixel definition blocks. Each of the plurality of sacrificial blocks is formed to have a first side surface distal to the base substrate, a second side surface facing the first side surface and proximal to the base substrate, and a third side surface connecting the first side surface and the second side surface. An average tangential inclination of the third side surface with respect to the second side surface is an acute angle.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: May 28, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Patent number: 10280502
    Abstract: A crucible structure including a crucible body and a crucible cover. The crucible body includes a crucible bottom wall and a crucible side wall. One end of the crucible side wall is connected to the crucible bottom wall, and the other end of the crucible side wall is provided with the crucible cover. An included angle between the crucible cover and an axial direction of the crucible is an acute angle. The crucible cover is provided with an opening structure.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: May 7, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Hao Wang
  • Publication number: 20190101690
    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: Application
    Filed: September 27, 2018
    Publication date: April 4, 2019
    Inventors: Huijuan WANG, Yunyun TIAN, Zezhou YANG, Yonglian QI, Dejiang ZHAO, Minqi CHEN, Tao LIU, Shi SHU
  • Patent number: 10208375
    Abstract: An evaporation source includes a heat source structure and an evaporation container for accommodating a to-be-evaporated material. The heat source structure includes a heat source and a thermal conductor. The thermal conductor is in contact with the evaporation container, and the heat source is at the thermal conductor and around the evaporation container.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: February 19, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dejiang Zhao, Seiji Fujino, Changhai Feng
  • Publication number: 20190030912
    Abstract: Embodiments of the present disclosure provide a printhead, a printing equipment and a printing method. The printhead includes: a primary liquid discharging assembly, including a plurality of primary liquid discharging nozzles for forming primary droplets; and a plurality of flow branching components below the primary liquid discharging assembly, and the plurality of flow branching components being in one-to-one correspondence with the plurality of primary liquid discharging nozzles, wherein each of the plurality of flow branching component is configured to be in contact with the primary droplet formed by the corresponding primary liquid discharging nozzle of the plurality of primary liquid discharging nozzles, and split each of the primary droplets into at least two branched droplets.
    Type: Application
    Filed: April 25, 2018
    Publication date: January 31, 2019
    Inventors: Dejiang Zhao, Yang Yang, Xiaojie Pan, Bin Bu
  • Publication number: 20190003035
    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: Application
    Filed: May 17, 2018
    Publication date: January 3, 2019
    Inventors: Dejiang Zhao, Guangcai Yuan
  • Publication number: 20180286934
    Abstract: The disclosure provides an organic electroluminescent display panel, and a method for fabricating the same. The organic electroluminescent display panel includes a substrate, and a pixel defining layer and a light emitting layer arranged on the substrate, wherein the pixel defining layer includes a first pixel defining layer arranged on the substrate, and a second pixel defining layer arranged on the first pixel defining layer; the first pixel defining layer includes a plurality of first opening areas, each first opening area defines a sub-pixel light emitting area, and the light emitting layer is arranged in the first opening areas; and the second pixel defining layer includes a plurality of second opening areas, each second opening area defines a virtual pixel area, and each virtual pixel area includes at least two adjacent sub-pixel light emitting areas in the same color.
    Type: Application
    Filed: November 17, 2017
    Publication date: October 4, 2018
    Inventor: Dejiang Zhao
  • Publication number: 20180261767
    Abstract: The present disclosure provides a pixel print structure, a manufacturing method thereof, a display device, and an inkjet printing method. The pixel print structure comprises a substrate, a first side wall and a second side wall located on the substrate, and an intermediate portion located between the first side wall and the second side wall, wherein the first side wall and the intermediate portion define a first area, and the second side wall and the intermediate portion define a second area.
    Type: Application
    Filed: March 3, 2017
    Publication date: September 13, 2018
    Inventor: Dejiang ZHAO
  • Publication number: 20180254430
    Abstract: The present application discloses an organic light emitting diode display panel, a display apparatus having the same, and a fabricating method thereof. The organic light emitting diode display panel has a plurality of pixels, each of which includes a subpixel region and an inter-subpixel region. The organic light emitting diode display panel includes a base substrate; a first electrode layer on the base substrate; a light emitting layer in the subpixel region on a side of the first electrode layer distal to the base substrate; a second electrode layer on a side of the light emitting layer distal to the first electrode layer; and an auxiliary electrode layer in the inter-subpixel region in a same layer as the second electrode layer, the auxiliary electrode layer and the second electrode layer being in contact with each other; the auxiliary electrode layer has a thickness larger than that of the second electrode layer.
    Type: Application
    Filed: October 9, 2016
    Publication date: September 6, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao
  • Publication number: 20180204891
    Abstract: The present application discloses a method of fabricating a display substrate. The method includes forming a sacrificial layer including a plurality of sacrificial blocks on a base substrate; forming a pixel definition material layer on the base substrate subsequent to forming the sacrificial layer; and removing the sacrificial layer thereby forming a pixel definition layer comprising a plurality of pixel definition blocks. Each of the plurality of sacrificial blocks is formed to have a first side surface distal to the base substrate, a second side surface facing the first side surface and proximal to the base substrate, and a third side surface connecting the first side surface and the second side surface. An average tangential inclination of the third side surface with respect to the second side surface is an acute angle.
    Type: Application
    Filed: April 17, 2017
    Publication date: July 19, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Dejiang Zhao