Patents Assigned to Chongqing HKC Optoelectronics Technology Co., Ltd.
  • Publication number: 20230288747
    Abstract: A pixel structure and a display panel. The pixel structure includes a plurality of first pixel sets arranged in an array along a first direction and a second direction, each first pixel set includes at least three sub-pixels of different colors, and at least three of the sub-pixels are a red sub-pixel, a green sub-pixel and a blue sub-pixel. Between two adjacent first pixel sets, the red sub-pixel in one first pixel set and the blue sub-pixel in another first pixel sets arranged adjacent to this one in the first direction are arranged non-adjacent to each other, and the red sub-pixel and the blue sub-pixel in each first pixel set are arranged adjacent to each other. The display panel includes the above pixel structure.
    Type: Application
    Filed: December 8, 2022
    Publication date: September 14, 2023
    Applicants: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Han MAO, Haoxuan ZHENG
  • Patent number: 11745486
    Abstract: Disclosed is a buffer component and a pressing device, the buffer component is applied to the pressing device. The pressing device includes an anisotropic conductive film pressure knife, the buffer component includes an inserting part, which is made of a first elastic material, and the inserting part is configured to insert into a lower end of the anisotropic conductive film pressure knife; and a buffering part, which is made of a second elastic material, the buffering part is configured to closely attach to a lower end surface of the lower end of the anisotropic conductive film pressure knife.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: September 5, 2023
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Guanghui Zhang
  • Patent number: 11749174
    Abstract: Disclosed are a gate-on voltage generation circuit, a display panel driving device and a display device. The gate-on voltage generation circuit includes an on/off voltage output terminal, a power management integrated circuit and a voltage switching circuit. The power management integrated circuit includes a detection terminal connected to the on/off voltage output terminal, is configured for detecting a voltage output by the on/off voltage output terminal, and outputting first switch control signal or second switch control signal according to the voltage output from the on/off voltage output terminal. The voltage switching circuit includes a first input terminal for inputting a first voltage value and a second input terminal for inputting a second voltage value larger than the first voltage value. The voltage switching circuit outputs the first voltage value upon receiving the first switch control signal, and outputs the second voltage value upon receiving the second switch control signal.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: September 5, 2023
    Assignees: CHONGQING ADVANCE DISPLAY TECHNOLOGY RESEARCH, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Mingliang Wang
  • Patent number: 11747677
    Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplane and a light bar. The backplane includes a bottom plate and a side plate assembly, the side plate assembly is connected to the bottom plate and is enclosed with the bottom plate to form an accommodating cavity, the light bar is located in the accommodating cavity and is installed on the bottom plate; the light bar has a main body part and an edge part surrounding the main body part, the backlight module further includes a first light absorbing member and/or a first light condensing member disposed between the side plate assembly and the edge part of the light bar.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: September 5, 2023
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Xiaogang Hu, Haoxuan Zheng
  • Patent number: 11719966
    Abstract: The present application discloses a test structure, a substrate and a method for manufacturing the substrate. The substrate includes a stacked substratum, a metal layer and an insulating layer; first via holes and second via holes disposed in different areas and passing through the insulating layer, and first transparent electrodes and second transparent electrodes disposed in different via holes and connected with the metal layer. The first via holes and the second via holes are formed through the same manufacture procedure, and the first transparent electrodes and the second transparent electrodes are formed through the same manufacture procedure.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: August 8, 2023
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kaijun Liu, En-Tsung Cho
  • Patent number: 11705027
    Abstract: The application discloses a method for detecting gate line defects, a display panel and a readable storage medium. The method for detecting gate line defects includes the following operations: controlling a display panel to enter a self-checking mode upon receiving a startup signal; performing row scanning on the display panel according to a first preset frame rate, where the first preset frame rate is greater than a normal frame rate when the display panel normally operates; and upon determining that the display panel is abnormal, issuing a prompt message.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: July 18, 2023
    Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Li Tang
  • Patent number: 11705352
    Abstract: The present application relates to a base frame of a substrate carrier, including a first vertical rod and a second vertical rod; a plurality of cross rods, being arranged along the lengthwise direction of the first vertical rod and the second vertical rod, and being connected between the first vertical rod and the second vertical rod; a first vertical rod extension, being connected to an end of the first vertical rod from which a substrate enters; and a second vertical rod extension, being connected to an end of the second vertical rod from which the substrate enters; and the first vertical rod extension and the second vertical rod extension are configured to accommodate at least one set of rollers for conveying the substrate therebetween.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: July 18, 2023
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventor: Qiaodong Li
  • Publication number: 20230215366
    Abstract: Disclosed is a driving method for display unit, a display panel and a display device, a reset circuit is formed by a reset signal, a charging circuit is formed by a charging signal, and a light emitting circuit is formed by a light emitting signal, that is, the circuit in the display device is multiplexed by each control signal, so that it does not need to design a circuit for each function to realize the driving of the display unit, solving the complex problem of driving the display unit in the relevant technology.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 6, 2023
    Applicants: Chongqing HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITED
    Inventors: Mancheng ZHOU, Rongrong LI
  • Publication number: 20230205005
    Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplane and a light bar. The backplane includes a bottom plate and a side plate assembly, the side plate assembly is connected to the bottom plate and is enclosed with the bottom plate to form an accommodating cavity, the light bar is located in the accommodating cavity and is installed on the bottom plate; the light bar has a main body part and an edge part surrounding the main body part, the backlight module further includes a first light absorbing member and/or a first light condensing member disposed between the side plate assembly and the edge part of the light bar.
    Type: Application
    Filed: December 8, 2022
    Publication date: June 29, 2023
    Applicants: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Xiaogang HU, Haoxuan ZHENG
  • Publication number: 20230205026
    Abstract: Disclosed is an array substrate and a liquid crystal display panel including a display area and a non-display area at the periphery of the display area. The array substrate is provided with a plurality of conductive bonding pads distributed at intervals in the non-display area, in which the conductive bonding pad includes a first metal layer, an insulating layer and a conductive layer sequentially formed on a base substrate, in which the insulating layer is provided with a plurality of vias to electrically connect the conductive layer to the first common electrode, in which the via is provided in a slit shape and is disposed at a predetermined angle from a first direction in which the non-display area surrounds the display area.
    Type: Application
    Filed: December 29, 2022
    Publication date: June 29, 2023
    Applicants: Chongqing HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITED
    Inventors: Yanna YANG, Haijiang YUAN
  • Publication number: 20230205003
    Abstract: Disclosed are a backlight module, a display device structure and a display device. The backlight module includes a light source plate and an optical film sequentially arranged. The backlight module further includes a light-transmitting magnetic structure provided between the light source plate and the optical film. A magnetic support force from the light source plate towards the optical film is formed in the light-transmitting magnetic structure, the light-transmitting magnetic structure is partially formed on the optical film, and the magnetic support force is configured to support the optical film.
    Type: Application
    Filed: December 9, 2022
    Publication date: June 29, 2023
    Applicants: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Xiaogang HU, Rongrong LI
  • Publication number: 20230196990
    Abstract: A Micro-LED display panel and a display device are provided. The display panel has a display region provided with pixel units, and includes a first voltage-main-line, a second voltage-main-line, a first input-unit, and a second input-unit. The first voltage-main-line and the second voltage-main-line each surround the display region. A first voltage-access-end of each pixel unit is electrically coupled with the first voltage-main-line nearby. A second voltage-access-end of each pixel unit is electrically coupled with the second voltage-main-line nearby. The first input-unit and the second input-unit are respectively located on a periphery of opposite sides of the display region in a first direction. The first input-unit and the second input-unit each are electrically coupled with the first voltage-main-line nearby, to supply a first voltage to the first voltage-main-line.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 22, 2023
    Applicants: Chongqing HKC Optoelectronics Technology Co., Ltd, HKC Corporation Limited
    Inventors: Zeyao LI, Haijiang YUAN
  • Publication number: 20230152625
    Abstract: Disclosed are a backlight module and a display device. The backlight module includes a backplane, a light guide plate and a light source. The backplane includes a first surface and a second surface opposite to the first surface. The light guide plate includes a light output portion provided on the first surface and a bending portion provided with a light input end on the second surface, and an end of the light output portion facing the second surface of the backplane is bent and extended to form the bending portion. The light source is provided on the second surface and corresponds to a light input end face of the light input end.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 18, 2023
    Applicants: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Ye WAN, Baohong KANG
  • Patent number: 11650451
    Abstract: A color filter substrate includes: a base substrate; a black matrix arranged on a surface of the base substrate and defining a plurality of first light-transmitting regions a plurality of second light-transmitting regions and a plurality of third light-transmitting regions on the base substrate; a color resist layer including a first color resist, a second color resist and a third color resist arranged in the first light-transmitting regions, the second light-transmitting regions and the third light-transmitting regions respectively, the first color resist covering the black matrix between two adjacent first light-transmitting regions, and the second color resist covering the black matrix between two adjacent second light-transmitting regions; and a common electrode layer.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: May 16, 2023
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Yanna Yang
  • Patent number: 11644744
    Abstract: The present application discloses a display panel, a manufacturing method of a display panel and a mask used thereof. The manufacturing method of the display panel comprises the following steps: doping a photo-initiator in photoresist for manufacturing photo spacers; coating the photoresist on the substrates to form photo spacers, and arranging a shade on the same layer; and respectively irradiating corresponding photo spacers by at least two types of light rays of different wavelengths, to control the photo-initiator so as to enable different photo spacers to have different shrinkages.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: May 9, 2023
    Assignees: HKC CORPORATION LIMITED, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Chung-Kuang Chien
  • Patent number: 11646568
    Abstract: Embodiments of the present disclosure provide an over-voltage protection method, an over-voltage protection device and a display device. When the voltage value of the output signal is greater than the first preset voltage threshold, it is determined whether the voltage value of the output signal meets the preset over-voltage protection condition. If the voltage value of the output signal is detected to meet the preset over-voltage protection condition, the first control signal is output to stop output of the output signal or lower the voltage value of the output signal.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: May 9, 2023
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Dekang Zeng, Shuixiu Hu
  • Patent number: 11645989
    Abstract: The present application discloses a driving circuit, a driving method, and a display panel. The driving circuit includes: a plurality of pixels, each pixel including a first sub-pixel and a second sub-pixel; and a switching circuit, configured to communicate one or both of the first sub-pixel and the second sub-pixel with a scan line and a data line.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: May 9, 2023
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Xiao Yu Huang
  • Patent number: 11644499
    Abstract: A device, a system, and a method for testing a PCB are provided. The PCB includes a first electrical contact and is applied to a display panel. The device includes a test board, a display assembly, a circuit unit, an aligning portion, and a pressing portion. The PCB and the display assembly are positioned on the test board. One end of the circuit unit defines a second electrical contact, and the other end of the circuit unit defines a third electrical contact. The aligning portion is configured to align the first and the second electrical contacts. The third electrical contact is electrically communicated with the display assembly via an electrically conductive adhesive. The pressing portion is configured to press the circuit unit, so that the second electrical contact is electrically connected with the first electrical contact and the display assembly is electrically communicated with the PCB.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: May 9, 2023
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Guang Hui Zhang
  • Publication number: 20230138585
    Abstract: In the field of liquid crystal display technology, a liquid crystal display device and a driving method thereof. The driving method includes steps of: detecting whether a light leakage has occurred in the liquid crystal display device; and adjusting a turn-off voltage output from a gate driver to a gate of a switch element to reduce an absolute value of a voltage difference between the turn-off voltage and a common voltage when the light leakage has occurred in the liquid crystal display device. In the embodiments, the phenomenon of light leakage at the dislocation caused by the dislocation between the color filter substrate and the array substrate when the liquid crystal display device is subjected to external pressure can be effectively improved, thereby improving the display effect of the liquid crystal display device.
    Type: Application
    Filed: October 3, 2022
    Publication date: May 4, 2023
    Applicants: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Zeyao LI, Rongrong 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