Patents by Inventor Junhong CAO

Junhong CAO 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: 20240136365
    Abstract: Disclosed are an array substrate, a control method thereof, a manufacturing method thereof and an electronic paper display device. The array substrate includes a substrate and a plurality of thin film transistors provided on the substrate and a plurality of pixel electrode structures, each thin film transistor includes an active layer, a source and a drain, a conductive channel is provided between the source and the drain and is provided on the active layer, a plurality of pixel electrode structures each is provided on a side of each thin film transistor away from the substrate, each pixel electrode structure includes a first pixel electrode and a second pixel electrode spaced from each other, the first pixel electrode corresponds to the conductive channel and connected to a voltage line, and the second pixel electrode is connected to the drain through a conductive through hole.
    Type: Application
    Filed: July 13, 2023
    Publication date: April 25, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Junhong CAO, Haoxuan ZHENG
  • Patent number: 11860482
    Abstract: This application discloses a method for manufacturing a display panel and a display panel. The display panel 100 includes: a first substrate 111; a second substrate 112; and a sealant 132, adhering the first substrate 111 and the second substrate 112 in a sealed manner. The first substrate 111 is provided with at least one metallic wire 120 in a sealant region 130. The sealant region 131 is provided with a depressed portion 141.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: January 2, 2024
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Junhong Cao
  • Publication number: 20230296931
    Abstract: An integrated optical circulator comprising at least two single-fiber bidirectional optical fiber interfaces (1), a refractive element group (2), an optical isolation element group (3), and an optical fiber array (4), wherein the refractive element group (2) and the optical isolation element group (3) are sequentially arranged on a same optical path; an incident signal light from each single-fiber bidirectional optical fiber interface (1) sequentially passes through the refractive element group (2) and the optical isolation element group (3), then is output by a corresponding outgoing optical fiber (43, 44) of the optical fiber array (4); the incident signal light from each incident optical fiber (41, 42) of the optical fiber array (4) sequentially passes through the optical isolation element group (3) and the refractive element group (2), and is output by the corresponding single-fiber bidirectional optical fiber interface (1).
    Type: Application
    Filed: December 10, 2020
    Publication date: September 21, 2023
    Inventors: Junhong CAO, Long CHEN, Qingming XIAO, Hui XIE, Jieqiao FAN, Min WANG
  • Patent number: 11640189
    Abstract: A source side fan-out structure includes: a height extension region, a height of a first side of the height extension region being greater than a height of a second side of the height extension region, wherein the first side of the height extension region is a side of the height extension region adjacent to a wiring of an array substrate, and the second side of the height extension region is a side of the height extension region away from the wirings of the array substrate; and a lead region provided with a plurality of fan-out leads therein, wherein the plurality of fan-out leads diverge from an inside of the height extension region.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: May 2, 2023
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Junhong Cao, Wei Li
  • Patent number: 11640808
    Abstract: Disclosed are an array substrate row drive circuit unit, a drive circuit and a liquid crystal display panel thereof. The array substrate row drive circuit unit includes a pull-up control module; a pull-up module; a pull-down module connected to the pull-up control module and the pull-up module and being configured to simultaneously pull down a pull-up control signal and a row scan signal of a current stage array substrate row drive circuit unit to a low level according to a direct current low voltage signal when receiving the row scan signal; and a voltage dividing module electrically connected to the pull-up module and being configured to increase a falling edge during pull-down when the pull-down module simultaneously pulls down the pull-up control signal and the row scan signal of the current stage array substrate row drive circuit unit to a low level.
    Type: Grant
    Filed: December 26, 2021
    Date of Patent: May 2, 2023
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Junhong Cao
  • Patent number: 11538430
    Abstract: This application discloses a display device and an inspection method. The display device includes a display panel and a control circuit board, the display panel includes a display region and switching devices, the switching devices are arranged between the display region and the control circuit board and the control circuit board is configured to drive the display panel.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: December 27, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Junhong Cao
  • Patent number: 11487146
    Abstract: This disclosure provides a display panel, a manufacturing method of the display panel, and a display device. The display panel includes a first substrate, a second substrate opposite to the first substrate, and a color resist layer disposed on the first substrate. The color resist layer includes a plurality of color resistances, the color resistances are divided into first color resistances, second color resistances, third color resistances, and connecting color resistances. First supporting structures and second supporting structures are disposed on the first substrate; the supporting structures includes at least one. A height of the first supporting structure is greater than a height of the second supporting structure.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: November 1, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Junhong Cao
  • Patent number: 11487161
    Abstract: The present application discloses a display panel, a method of photo alignment and a driving method of the display panel. A display area of the display panel is divided into at least a first area and a second area, light transmittance of the first area is different from that of the second area when driven by the identical voltage difference, and pre-tilt angles of liquid crystal molecules corresponding to the first area are different from those of liquid crystal molecules corresponding to the second area.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: November 1, 2022
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Junhong Cao, Wei Li
  • Publication number: 20220252918
    Abstract: This application discloses a method for manufacturing a display panel and a display panel. The display panel 100 includes: a first substrate 111; a second substrate 112; and a sealant 132, adhering the first substrate 111 and the second substrate 112 in a sealed manner. The first substrate 111 is provided with at least one metallic wire 120 in a sealant region 130. The sealant region 131 is provided with a depressed portion 141.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 11, 2022
    Inventor: Junhong CAO
  • Patent number: 11372295
    Abstract: This application discloses a display panel, a manufacturing method thereof, and a display device. The display panel includes a first substrate, a second substrate parallel arranged to the first substrate, a pixel unit formed between the first substrate and the second substrate. The pixel unit includes at least two kinds of transparent areas and multiple liquid crystal materials injected in the transparent areas. A penetration rate of each of the liquid crystal materials is injected into the transparent areas are different. the liquid crystal materials include a first liquid crystal material, a second liquid crystal material, and a third liquid crystal material. A penetration rate of the first liquid crystal material, the second liquid crystal material, and the third liquid crystal material increases in sequence.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: June 28, 2022
    Assignee: HKC CORPORATION LIMIIED
    Inventor: Junhong Cao
  • Patent number: 11347111
    Abstract: This application discloses a method for manufacturing a display panel and a display panel. The display panel (100) includes: a first substrate (111); a second substrate (112) and a sealant (132), adhering the first substrate (111) and the second substrate (112) in a sealed manner. The first substrate (111) is provided with at, least one metallic wire (120) in a sealant region (130). The sealant region (131) is provided with a depressed portion (141).
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: May 31, 2022
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Junhong Cao
  • Publication number: 20220122558
    Abstract: Disclosed are an array substrate row drive circuit unit, a drive circuit and a liquid crystal display panel thereof. The array substrate row drive circuit unit includes a pull-up control module; a pull-up module; a pull-down module connected to the pull-up control module and the pull-up module and being configured to simultaneously pull down a pull-up control signal and a row scan signal of a current stage array substrate row drive circuit unit to a low level according to a direct current low voltage signal when receiving the row scan signal; and a voltage dividing module electrically connected to the pull-up module and being configured to increase a falling edge during pull-down when the pull-down module simultaneously pulls down the pull-up control signal and the row scan signal of the current stage array substrate row drive circuit unit to a low level.
    Type: Application
    Filed: December 26, 2021
    Publication date: April 21, 2022
    Applicants: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Junhong CAO
  • Publication number: 20220035206
    Abstract: The present application discloses a display panel, a method of photo alignment and a driving method of the display panel. A display area of the display panel is divided into at least a first area and a second area, light transmittance of the first area is different from that of the second area when driven by the identical voltage difference, and pre-tilt angles of liquid crystal molecules corresponding to the first area are different from those of liquid crystal molecules corresponding to the second area.
    Type: Application
    Filed: July 7, 2021
    Publication date: February 3, 2022
    Inventors: Junhong CAO, Wei LI
  • Publication number: 20220026966
    Abstract: A source side fan-out structure includes: a height extension region, a height of a first side of the height extension region being greater than a height of a second side of the height extension region, wherein the first side of the height extension region is a side of the height extension region adjacent to a wiring of an array substrate, and the second side of the height extension region is a side of the height extension region away from the wirings of the array substrate; and a lead region provided with a plurality of fan-out leads therein, wherein the plurality of fan-out leads diverge from an inside of the height extension region.
    Type: Application
    Filed: April 22, 2021
    Publication date: January 27, 2022
    Applicants: Chongqing HKC Optoelectronics Technology Co., Ltd., HKC Corporation Limited
    Inventors: Junhong Cao, Wei Li
  • Patent number: 11222570
    Abstract: Disclosed are a display panel and a driving method. The display panel comprises: a cascade array substrate gate electrode driving unit, each cascade array substrate gate electrode driving unit being provided on at least one side of the display panel, coupled with multiple scan lines (G1-GN and G1?-GN?), and outputting driving signals for the scan lines (G1-GN and G1?-GN?) in a preset order; front virtual array substrate gate electrode driving units, provided at one end of the cascade array substrate gate electrode driving units and provided to generate a trigger signal and to output same to the corresponding cascade array substrate gate electrode driving units; and a rear virtual array substrate gate electrode driving unit, provided at the other end of the cascade array substrate gate electrode driving units and provided to generate a reset signal and to output same to the corresponding cascade array substrate gate electrode driving units.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: January 11, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Junhong Cao
  • Publication number: 20210335304
    Abstract: This application discloses a display device and an inspection method. The display device includes a display panel and a control circuit board, the display panel includes a display region and switching devices, the switching devices are arranged between the display region and the control circuit board and the control circuit board is configured to drive the display panel.
    Type: Application
    Filed: November 9, 2018
    Publication date: October 28, 2021
    Inventor: Junhong CAO
  • Patent number: 11151954
    Abstract: An array substrate, a display panel, and a display device are provided. A Thin Film Transistor (TFT) device of a Gate Driver on Array (GOA) circuit includes a first-type TFT, a second-type TFT, a third-type TFT, and a fourth-type TFT that are disposed at intervals.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: October 19, 2021
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Junhong Cao
  • Publication number: 20210225313
    Abstract: An array substrate, a display panel, and a display device are provided. A Thin Film Transistor (TFT) device of a Gate Driver on Array (GOA) circuit includes a first-type TFT, a second-type TFT, a third-type TFT, and a fourth-type TFT that are disposed at intervals.
    Type: Application
    Filed: October 22, 2018
    Publication date: July 22, 2021
    Inventor: Junhong CAO
  • Publication number: 20210223587
    Abstract: This application discloses a method for manufacturing a display panel and a display panel. The display panel (100) includes: a first substrate (111); a second substrate (112) and a sealant (132), adhering the first substrate (111) and the second substrate (112) in a sealed manner. The first substrate (111) is provided with at, least one metallic wire (120) in a sealant region (130). The sealant region (131) is provided with a depressed portion (141).
    Type: Application
    Filed: October 23, 2018
    Publication date: July 22, 2021
    Inventor: Junhong CAO
  • Publication number: 20210018806
    Abstract: This application discloses a display panel, a manufacturing method thereof, and a display device. The display panel includes a first substrate, a second substrate parallel arranged to the first substrate, a pixel unit formed between the first substrate and the second substrate. The pixel unit includes at least two kinds of transparent areas and multiple liquid crystal materials injected in the transparent areas. A penetration rate of each of the liquid crystal materials is injected into the transparent areas are different. the liquid crystal materials include a first liquid crystal material, a second liquid crystal material, and a third liquid crystal material. A penetration rate of the first liquid crystal material, the second liquid crystal material, and the third liquid crystal material increases in sequence.
    Type: Application
    Filed: December 14, 2018
    Publication date: January 21, 2021
    Inventor: Junhong CAO