Patents by Inventor Shipan WANG

Shipan WANG 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: 11690241
    Abstract: An embodiment of the present invention provides a display panel. The display panel includes a driving circuit layer, a first electrode layer, an auxiliary electrode layer, a pixel definition layer, and an electron transport layer disposed in a stack. The electron transport layer is connected to the auxiliary electrode layer through a first via hole defined on the pixel definition layer. By setting an energy level difference between a lowest unoccupied molecular orbital of the electron transport layer and a work function of the auxiliary electrode layer to 2.0 eV or less, it reduces an injection barrier between the auxiliary electrode layer and the electron transport layer, and relieves unevenness of luminescence of the display panel.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: June 27, 2023
    Inventors: Shipan Wang, Ting Shi, Weiran Cao
  • Patent number: 11437577
    Abstract: An organic light emitting diode display device and a method of fabricating same are provided. The organic light emitting diode display includes an electron transport layer disposed on a light emitting layer, and material of the electron transport layer comprises a soluble organic electron transport material. The electron transport layer can be formed by ink and by inkjet printing.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: September 6, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Shipan Wang
  • Patent number: 11359106
    Abstract: The present disclosure relates to an inkjet printing ink and application thereof. In one aspect, the inkjet printing ink includes a crosslinking type organic host material, an organic doped luminescent material, a surface tension modifier, a viscosity modifier, and a solvent. On the other aspect, the present disclosure provides printing the inkjet printing ink on a substrate of a display panel to be prepared, performing drying process, and performing baking process at 120° C. to form an organic light emitting layer. Therefore, avoiding the problem of mutual dissolution of the organic light emitting layer and the electron transport layer when the electron transport layer is printed on the organic light emitting layer, avoiding damage to the organic light emitting layer, realize an inkjet printing process of the organic electron transport layer, thereby reducing the cost of manufacturing.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: June 14, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Shipan Wang
  • Publication number: 20220140240
    Abstract: An organic light emitting diode display device and a method of fabricating same are provided. The organic light emitting diode display includes an electron transport layer disposed on a light emitting layer, and material of the electron transport layer comprises a soluble organic electron transport material. The electron transport layer can be formed by ink and by inkjet printing.
    Type: Application
    Filed: October 11, 2019
    Publication date: May 5, 2022
    Inventor: Shipan WANG
  • Patent number: 11316122
    Abstract: The present invention provides an OLED display panel and a manufacturing thereof, and an OLED device. The OLED display panel adopts organic host materials, organic light-emitting materials, and amorphous fluoropolymers to produce a light-emitting layer, so that amorphous polymers improve thermal stability and solvent resistance of the light-emitting layer, and the light-emitting layer is not damaged by solvents when an electron transport layer is formed by solvents, thereby resolving the process of processing OLED devices by solvents having damage to the light-emitting layer causing poor display performance in the prior art.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: April 26, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Shipan Wang
  • Patent number: 11289672
    Abstract: An organic light emitting diode display device and a method of manufacturing thereof are provided. An electron transport layer ink droplet is formed on a surface of the first solvent ink droplet by forming a first solvent ink droplet on a surface of the organic light emitting layer. Thus, the first solvent constituting the first solvent ink droplet and the second solvent of the electron transport layer ink droplet are evaporated to form the electron transport layer.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: March 29, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Shipan Wang
  • Publication number: 20220037610
    Abstract: An organic light emitting diode display device and a method of manufacturing thereof are provided. An electron transport layer ink droplet is formed on a surface of the first solvent ink droplet by forming a first solvent ink droplet on a surface of the organic light emitting layer. Thus, the first solvent constituting the first solvent ink droplet and the second solvent of the electron transport layer ink droplet are evaporated to form the electron transport layer.
    Type: Application
    Filed: July 29, 2019
    Publication date: February 3, 2022
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD
    Inventor: Shipan Wang
  • Patent number: 11192901
    Abstract: A nitrogen-containing heterocyclic organic compound and an organic electroluminescent device are provided. The nitrogen-containing heterocyclic organic compound has a structure represented by the following general formula (I): and X is N or CH; Y is a single bond, O, S, an imino, a methylene, a methylidenesilane group, a substituted imino, a substituted methylene, or a substituted methylidenesilane group, the substituents in the substituted imino, and the substituted methylene; L, Ar1, and Ar2 are each independently selected from one of a C6-C30 aryl, a C3-C30 heteroaryl, a substituted C6-C30 aryl, and a substituted C3-C30 heteroaryl; n is an integer from 0 to 3; R1 to R8 are each independently selected from one of a hydrogen, a deuteron, a halogen, a C1-C30 alkyl, a C1-C30 alkyl substituted with a heteroatom, a C6-C30 aryl, and a C3-C30 heteroaryl.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: December 7, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Shipan Wang
  • Publication number: 20210351371
    Abstract: An embodiment of the present invention provides a display panel. The display panel includes a driving circuit layer, a first electrode layer, an auxiliary electrode layer, a pixel definition layer, and an electron transport layer disposed in a stack. The electron transport layer is connected to the auxiliary electrode layer through a first via hole defined on the pixel definition layer. By setting an energy level difference between a lowest unoccupied molecular orbital of the electron transport layer and a work function of the auxiliary electrode layer to 2.0 eV or less, it reduces an injection barrier between the auxiliary electrode layer and the electron transport layer, and relieves unevenness of luminescence of the display panel.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 11, 2021
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shipan WANG, Ting SHI, Weiran CAO
  • Publication number: 20210332066
    Abstract: A nitrogen-containing heterocyclic organic compound and an organic electroluminescent device are provided. The nitrogen-containing heterocyclic organic compound has a structure represented by the following general formula (I): and X is N or CH; Y is a single bond, O, S, an imino, a methylene, a methylidenesilane group, a substituted imino, a substituted methylene, or a substituted methylidenesilane group, the substituents in the substituted imino, and the substituted methylene; L, Ar1, and Ar2 are each independently selected from one of a C6-C30 aryl, a C3-C30 heteroaryl, a substituted C6-C30 aryl, and a substituted C3-C30 heteroaryl; n is an integer from 0 to 3; R1 to R8 are each independently selected from one of a hydrogen, a deuteron, a halogen, a C1-C30 alkyl, a C1-C30 alkyl substituted with a heteroatom, a C6-C30 aryl, and a C3-C30 heteroaryl.
    Type: Application
    Filed: July 25, 2019
    Publication date: October 28, 2021
    Inventor: Shipan Wang
  • Publication number: 20210336177
    Abstract: An OLED display panel and an OLED display device are disclosed. The OLED display panel enhances electron transport efficiency by providing an interface layer between a light-emitting layer and a common electrode layer, thereby increasing the electron transport efficiency. The effect of injection of electrons into the light-emitting layer is improved, so that the light-emitting layer has an improved light-emitting effect to enhance display effect and to solve the technical problem of poor display effect of the current OLED display panel resulting from the poor effect of injection of electrons into the light-emitting layer.
    Type: Application
    Filed: November 18, 2019
    Publication date: October 28, 2021
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Ting Shi, Shipan Wang
  • Publication number: 20210328167
    Abstract: The present invention provides an OLED display panel and a manufacturing thereof, and an OLED device. The OLED display panel adopts organic host materials, organic light-emitting materials, and amorphous fluoropolymers to produce a light-emitting layer, so that amorphous polymers improve thermal stability and solvent resistance of the light-emitting layer, and the light-emitting layer is not damaged by solvents when an electron transport layer is formed by solvents, thereby resolving the process of processing OLED devices by solvents having damage to the light-emitting layer causing poor display performance in the prior art.
    Type: Application
    Filed: November 25, 2019
    Publication date: October 21, 2021
    Applicants: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Shipan WANG
  • Publication number: 20200362185
    Abstract: The present disclosure relates to an inkjet printing ink and application thereof. In one aspect, the inkjet printing ink includes a crosslinking type organic host material, an organic doped luminescent material, a surface tension modifier, a viscosity modifier, and a solvent. On the other aspect, the present disclosure provides printing the inkjet printing ink on a substrate of a display panel to be prepared, performing drying process, and performing baking process at 120° C. to form an organic light emitting layer. Therefore, avoiding the problem of mutual dissolution of the organic light emitting layer and the electron transport layer when the electron transport layer is printed on the organic light emitting layer, avoiding damage to the organic light emitting layer, realize an inkjet printing process of the organic electron transport layer, thereby reducing the cost of manufacturing.
    Type: Application
    Filed: November 6, 2019
    Publication date: November 19, 2020
    Inventor: Shipan WANG