Patents by Inventor Changming XIANG

Changming XIANG 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: 20250151584
    Abstract: The present application provides a display module including a first display substrate and a second display substrate. The first display substrate includes a first substrate and a plurality of first light-emitting units. The plurality of first light-emitting units are disposed at intervals on the first substrate. The second display substrate is disposed on a backside of a light-emitting side of the first display substrate, and includes a second substrate and a plurality of second light-emitting units. The plurality of second light-emitting units are disposed at intervals on the second substrate, and are staggeredly disposed with the plurality of first light-emitting units, respectively. The display module has a high resolution.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 8, 2025
    Applicants: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., South China University of Technology
    Inventors: Jiangbo YAO, Junbiao PENG, Changming XIANG, Rui ZHAO, Weiji ZHANG
  • Publication number: 20250151468
    Abstract: Disclosed is a display panel. The display panel includes a substrate, first interlayer disposed on the substrate, and a light-emitting element layer disposed on one side of the first interlayer away from the substrate. A plurality of first convex portions are disposed on one side of the first interlayer away from the substrate. The light-emitting element layer includes a plurality of light-emitting elements disposed on the plurality of first convex portions. At least some of the plurality of light-emitting elements are disposed on side walls of the plurality of first convex portions. A light-emitting surface of each of the plurality of light-emitting elements extends in a first direction, an included angle formed between the first direction and a second direction is an acute angle, and the second direction is a direction in which the substrate points towards the first interlayer.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 8, 2025
    Applicants: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., South China University of Technology
    Inventors: Jiangbo YAO, Junbiao PENG, Changming XIANG, Rui ZHAO, Weiji ZHANG
  • Publication number: 20250096205
    Abstract: Disclosed are a display panel and a manufacturing method thereof. The display panel comprises: a substrate, a plurality of conductive units and a plurality of Mini LEDs. A material of the conductive units is conductive ink, and the conductive ink comprises a prepolymer, a monomer, a conductive filler and a photoinitiator. The viscosity of the conductive ink itself is employed to adsorb the Mini LEDs to improve the transfer accuracy of the Mini LEDs and to prevent the weak adsorption between the Mini LEDs and the conductive units, which affects the electrical connection between the conductive units and the Mini LEDs.
    Type: Application
    Filed: November 29, 2024
    Publication date: March 20, 2025
    Applicant: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Changming XIANG
  • Publication number: 20250076698
    Abstract: The present application discloses a splicing display panel, and the splicing display panel includes at least one first display module and at least one second display module spliced with each other, and at least one third display module. The first display module includes a first display area and a first frame area disposed outside the first display area. The first display module includes a first substrate and a second substrate disposed opposite to the first substrate. The second substrate includes a first concave part, and the first concave part is located in the first frame area. The at least one third display module is disposed in the first concave part.
    Type: Application
    Filed: July 29, 2022
    Publication date: March 6, 2025
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Changming Xiang
  • Patent number: 12199074
    Abstract: Disclosed are a display panel and a manufacturing method thereof. The display panel comprises: a substrate, a plurality of conductive units and a plurality of Mini LEDs. A material of the conductive units is conductive ink, and the conductive ink comprises a prepolymer, a monomer, a conductive filler and a photoinitiator. The viscosity of the conductive ink itself is employed to adsorb the Mini LEDs to improve the transfer accuracy of the Mini LEDs and to prevent the weak adsorption between the Mini LEDs and the conductive units, which affects the electrical connection between the conductive units and the Mini LEDs.
    Type: Grant
    Filed: September 18, 2021
    Date of Patent: January 14, 2025
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Changming Xiang
  • Patent number: 12101957
    Abstract: A display panel and a manufacturing method thereof are provided. The manufacturing method of the display panel include following blocks: providing a light-emitting element; coating a polymer solution on a light-emitting element and performing a first annealing process to the light-emitting element after it is coated with the polymer solution to form a first protecting layer; and coating an organic compound solution on the first protecting layer so that the organic compound solution is self-assembled on the first protecting layer to form a second protecting layer, wherein the second protecting layer has a crosslinking three-dimensional network structure.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: September 24, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Changming Xiang
  • Publication number: 20240266486
    Abstract: The present disclosure provides a display panel and a splicing screen including the same. The display panel includes a circuit substrate, a substrate, a display assembly, a chip on film, a fan-out part, and a connection wiring. The circuit substrate includes an installation area and a connection area, and is provided with a wiring through-hole defined at the connection area. The fan-out part includes a plurality of fan-out wirings, and an end of the fan-out wirings is connected to the chip on film. A first end of the connection wiring is connected to a driving circuit layer of the display assembly, and a second end of the connection wiring is connected to another end of the fan-out wirings through the wiring through-hole.
    Type: Application
    Filed: March 31, 2023
    Publication date: August 8, 2024
    Inventors: Changming XIANG, Weiji ZHANG, Rui ZHAO
  • Patent number: 11979984
    Abstract: A splicing display screen is provided. The splicing display screen includes a circuit board, a plurality of display panels, and a plurality of first metal lines. The circuit board includes a plurality of circuit areas, and each of the circuit areas includes one of mounting areas and one of electrical connection areas. A plurality of first metal parts are disposed in the electrical connection areas. The display panels are disposed on the circuit board and positioned in the mounting areas, and metal connection pads on the display panels are electrically connected to the first metal parts by the first metal lines.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: May 7, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Changming Xiang
  • Publication number: 20240038744
    Abstract: The present application provides a substrate encapsulating method, a display panel, and a display device. The substrate encapsulating method includes providing a first underlay, and fabricating a switching device on the first underlay to form a switching substrate; providing a second underlay, and fabricating a light-emitting diode on the second underlay to form a light-emitting substrate; applying a frame glue to an edge of the switching substrate or an edge of the light-emitting substrate; and bonding the switching substrate and the light-emitting substrate with the frame glue to seal the light-emitting diode between the switching substrate and the light-emitting substrate.
    Type: Application
    Filed: September 30, 2021
    Publication date: February 1, 2024
    Inventors: Changming XIANG, Weiji ZHANG
  • Publication number: 20240030193
    Abstract: Disclosed are a display panel and a manufacturing method thereof. The display panel comprises: a substrate, a plurality of conductive units and a plurality of Mini LEDs. A material of the conductive units is conductive ink, and the conductive ink comprises a prepolymer, a monomer, a conductive filler and a photoinitiator. The viscosity of the conductive ink itself is employed to adsorb the Mini LEDs to improve the transfer accuracy of the Mini LEDs and to prevent the weak adsorption between the Mini LEDs and the conductive units, which affects the electrical connection between the conductive units and the Mini LEDs.
    Type: Application
    Filed: September 18, 2021
    Publication date: January 25, 2024
    Applicant: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Changming XIANG
  • Publication number: 20230402433
    Abstract: The present disclosure discloses a display panel and a manufacturing method for display panel. The display panel includes a cover plate disposed on a side of each of the plurality of light-emitting diodes away from the substrate, wherein the cover plate includes a main body, a first light-shielding layer disposed on a side of the main body close to the substrate, and a second light-shielding layer disposed on a side of the main body away from the substrate; wherein the first light-shielding layer includes a plurality of first openings, the second light-shielding layer includes a plurality of second openings; wherein the plurality of first openings are disposed corresponding to the plurality of light-emitting diodes, respectively, and the plurality of second openings are disposed corresponding to the plurality of light-emitting diodes, respectively.
    Type: Application
    Filed: July 18, 2022
    Publication date: December 14, 2023
    Inventor: Changming XIANG
  • Publication number: 20230053694
    Abstract: A splicing display screen is provided. The splicing display screen includes a circuit board, a plurality of display panels, and a plurality of first metal lines. The circuit board includes a plurality of circuit areas, and each of the circuit areas includes one of mounting areas and one of electrical connection areas. A plurality of first metal parts are disposed in the electrical connection areas. The display panels are disposed on the circuit board and positioned in the mounting areas, and metal connection pads on the display panels are electrically connected to the first metal parts by the first metal lines.
    Type: Application
    Filed: September 8, 2020
    Publication date: February 23, 2023
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Changming Xiang
  • Publication number: 20220320030
    Abstract: An array substrate, a method of manufacturing the same, and a display panel are provided. The array substrate includes a base; a driving circuit layer; a bonding region defined on a surface of the base opposite to another surface of the base facing the driving circuit layer and configured to bond an outside circuit; and a back bonding structure electrically connected to the driving circuit layer and the bonding region. The back bonding structure includes a first connection part and a patterned conductive circuit. The first connection part is provided at the bonding region. The patterned conductive circuit is attached on a side surface of the base, a side surface of the driving circuit layer, and a side surface of the first connection part.
    Type: Application
    Filed: October 10, 2020
    Publication date: October 6, 2022
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Changming Xiang
  • Publication number: 20220077422
    Abstract: A display panel and a manufacturing method thereof are provided. The manufacturing method of the display panel include following blocks: providing a light-emitting element; coating a polymer solution on a light-emitting element and performing a first annealing process to the light-emitting element after it is coated with the polymer solution to form a first protecting layer; and coating an organic compound solution on the first protecting layer so that the organic compound solution is self-assembled on the first protecting layer to form a second protecting layer, wherein the second protecting layer has a crosslinking three-dimensional network structure.
    Type: Application
    Filed: October 28, 2020
    Publication date: March 10, 2022
    Inventor: Changming XIANG
  • Patent number: 11061281
    Abstract: The backlight module provided by the present invention utilizes a reflection plate and a Fresnel lens disposed between the light-emitting diode (LED) light source and the reflection plate to form a side-lit LED backlight without a light guide plate, which can simplify optical structure of the backlight. From a point of view, heavy weight and high cost problems of the light guide plate is solved while improving illumination efficiency.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: July 13, 2021
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Changming Xiang
  • Publication number: 20210055609
    Abstract: The backlight module provided by the present invention utilizes a reflection plate and a Fresnel lens disposed between the light-emitting diode (LED) light source and the reflection plate to form a side-lit LED backlight without a light guide plate, which can simplify optical structure of the backlight. From a point of view, heavy weight and high cost problems of the light guide plate is solved while improving illumination efficiency.
    Type: Application
    Filed: November 13, 2019
    Publication date: February 25, 2021
    Inventor: Changming XIANG