Patents Assigned to HKC CORPORATION LIMITED
  • Patent number: 11846850
    Abstract: A display panel and a display device are disclosed. The display panel includes a first substrate, a second substrate, and a liquid crystal. The first substrate and the second substrate are aligned and assembled together. The liquid crystal is filled between the first substrate and the second substrate. The display panel further includes a retaining wall that is arranged on the first substrate and that extends toward the second substrate. The retaining wall divides a display region of the display panel into at least two partitions. The liquid crystal is filled in the at least two partitions. The retaining wall obstructs the liquid crystal from flowing across the different partitions.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: December 19, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD, HKC CORPORATION LIMITED
    Inventors: Xinghao Xue, Haijiang Yuan
  • Patent number: 11846801
    Abstract: A backlight module and a display device are disclosed. The backlight module includes a back plate and a plurality of light plate assemblies arranged on the back plate, and there is a seam between every two adjacent light plate assemblies. The backlight module further includes at least one light guide plate and at least one side light source. The light guide plate is arranged at the seam. The side light source corresponds to the light guide plate, is located on the side of the light guide plate, and provides a light source for the light guide plate.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: December 19, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD, HKC CORPORATION LIMITED
    Inventors: Zhilong Zhao, Haijiang Yuan
  • Patent number: 11848551
    Abstract: The present application discloses an over-current protection circuit, a driving method for the over-current protection circuit and a display device. The over-current protection circuit includes a detection circuit, a first protection branch and a comparison circuit; where the detection circuit detects the current of a preset detection point in real time and obtains a detection voltage based on the current passing through the detection point; the first protection branch includes a delayer which delays the detection voltage obtained by the detection circuit for a preset time and then outputs a first reference voltage; and the comparison circuit compares the detection voltage with the first reference voltage.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: December 19, 2023
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Wei Chen, Chongwei Tang, Yubo Gu
  • Patent number: 11847291
    Abstract: A touch film layer and a touch display panel are disclosed. The touch film layer includes a touch electrode layer, which includes multiple first touch electrode groups and second touch electrode groups. Multiple first touch electrodes arranged along a first direction are connected to form a first touch electrode group, and multiple second touch electrodes arranged along a second direction are connected to form a second touch electrode group. The first direction intersects the second direction to form an included angle of 90±30 degrees. The second direction is defined as a direction in which the touch film layer is curled or bent. The first and the second touch electrodes are strip-shaped electrodes. A long axis or long side of each strip-shaped electrode is parallel to the first direction, and a short axis or short side thereof is parallel to the second direction.
    Type: Grant
    Filed: August 14, 2023
    Date of Patent: December 19, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Wang Li, Haijiang Yuan
  • Patent number: 11846834
    Abstract: The embodiments relate to array substrate technologies. Provided is an array substrate and a display panel, the array substrate includes a display region and a non-display region. A first bonding-lead part, a second bonding-lead part and a third bonding-lead part are arranged in sequence in a bonding area of the non-display region. A first side of the first bonding-lead part is used for connecting with a gate driver unit test wiring, and a second side of the first bonding-lead part is used for connecting with a gate driver signal wiring. A width of the first bonding-lead part is smaller than that of the second bonding-lead part, such that a wiring area is formed on the first side of the first bonding-lead part and/or the second side of the first bonding-lead part, thereby providing sufficient wiring space for the GOA unit test wiring and the GOA signal wiring.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: December 19, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Shishuai Huang, Haoxuan Zheng
  • Patent number: 11846386
    Abstract: The present disclosure provides a mounting jig and a mounting method. The mounting jig is configured to mount a wall-hanging piece on a wall. At least two grooves configured to fix the wall-hanging piece are disposed on the wall hanging piece. The mounting jig includes at least two positioning structures. A spacing between the positioning structures is equal to a spacing between the grooves corresponding to the positioning structures.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: December 19, 2023
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventor: Jiahe Cheng
  • Publication number: 20230401994
    Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit, including a first-color subpixel, a second-color subpixel, and a third-color subpixel, is configured to drive a pixel unit. The pixel driving circuit includes a first driving unit, a second driving unit, and a third driving unit. The first driving unit is configured to drive according to a first voltage signal the first-color subpixel. The second driving unit is configured to drive according to the first voltage signal the second-color subpixel. The third driving unit is configured to drive according to the first voltage signal the third-color subpixel. The first driving unit at least includes a first capacitor, the second driving unit at least includes a second capacitor, the third driving unit at least includes a third capacitor, and at least one of the first capacitor, the second capacitor, and the third capacitor has a different capacitance.
    Type: Application
    Filed: December 29, 2022
    Publication date: December 14, 2023
    Applicants: Chuzhou HKC Optoelectronics Technology Co., Ltd., HKC Corporation Limited
    Inventors: Lizhi ZHANG, Long ZHU, Baohong KANG
  • Publication number: 20230402004
    Abstract: A compensation circuit, a control chip, and a display device are provided to solve a problem of low luminance of OLED display panels due to an existence of drifting of threshold voltage of the OLED display panels. The compensation circuit is applied to a drive circuit which includes a first TFT, a second TFT, an OLED, and a capacitance. The compensation circuit includes a third TFT and a detection circuit. A control electrode of the third TFT is configured to be connected with a second electrode of the second TFT, a first electrode of the third TFT is configured to be connected with a control electrode of the second TFT. The detection circuit is configured to be turned off and turned on respectively when receiving two continuous voltage signals output from the second electrode of the third TFT.
    Type: Application
    Filed: December 21, 2022
    Publication date: December 14, 2023
    Applicant: HKC CORPORATION LIMITED
    Inventors: Renjie ZHOU, Haijiang YUAN
  • Publication number: 20230401991
    Abstract: A drive circuit for a display panel, including a generation module, an output module and a switch control module. The output module is in electric connection with the generation module and the switch control module. The output module is configured to output a generation signal to a gate driver according to a switch control signal. The output module is further configured to output a first clock signal and a second clock signal to the gate driver according to the switch control signal. The refresh rate of the display panel can be changed in real time, and the power consumption of the display panel having high refresh rate is reduced; meanwhile, the signals outputted by the output module can be continuous, so as to improve the display effect of the display panel and prolong the service life of the display panel.
    Type: Application
    Filed: June 30, 2022
    Publication date: December 14, 2023
    Applicant: HKC CORPORATION LIMITED
    Inventors: Tingting SHEN, Haijiang YUAN
  • Publication number: 20230400727
    Abstract: A backlight module and a display apparatus are provided. The backlight module includes a lamp panel, multiple light-emitting elements, an encapsulation layer, and a fill-light structure. The lamp panel has multiple backlight regions and multiple fill-light regions each arranged between two adjacent backlight regions. The lamp panel has an integral structure. The multiple light-emitting elements are arranged in an array on each of the multiple backlight regions. A distance between two adjacent light-emitting elements disposed on both sides of the fill-light region is greater than a distance between two adjacent light-emitting elements disposed on a same side of the fill-light region. The encapsulation layer is disposed on the lamp panel and covers the multiple light-emitting elements. The fill-light structure is configured to adjust a tone parameter of the fill-light region to be within a tone-parameter range of the multiple backlight regions.
    Type: Application
    Filed: December 28, 2022
    Publication date: December 14, 2023
    Applicant: HKC Corporation Limited
    Inventors: Xiaogang HU, Haijiang YUAN
  • Patent number: 11841592
    Abstract: A display panel and a display device. The display panel includes a first light adjusting module and a display module. The display module includes a pixel unit having a plurality of pixels, the pixels include a plurality of sub-pixels. The first light adjusting module includes a first light-adjusting electrode layer, a second light-adjusting electrode layer, a first filling layer and a second filling layer. The first filling layer is filled with a first filling material with a refractive index of ns, and the second filling layer is filled with filler groups each including at least one filler and corresponding to the pixels. The refractive index ne of the filler along the second direction is greater than the refractive index no along the third direction thereof, and ns?no. The fillers in the same filler group switches between a first deflected state and a second deflected state.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: December 12, 2023
    Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Chihtsung Kang, Haijiang Yuan
  • Patent number: 11842672
    Abstract: The display driving architecture is configured to drive a display panel which includes: a pixel assembly; the pixel assembly includes a driving transistor and a light-emitting assembly; the driving transistor has a first end connected to a first power end and a second end connected to an anode of the light-emitting assembly, and a cathode of the light-emitting assembly is connected to a second power end; a switching circuit which includes a first switching assembly configured to output a first voltage, a second switching assembly configured to output a second voltage, and a voltage output end; assembly; and the switching circuit outputs, based on high-grayscale data of the pixel assembly, the first voltage to the voltage output end, or outputs, based on low-grayscale data of the pixel assembly, the second voltage to the voltage output end.
    Type: Grant
    Filed: June 17, 2023
    Date of Patent: December 12, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Jianlei Li, Baohong Kang
  • Patent number: 11841596
    Abstract: An array substrate, a display panel, and a display device. The array substrate includes: a plurality of data lines, a plurality of scanning lines, a pixel array, first common electrode lines, and second common electrode lines; the HSD design is applied to the array substrate, and the array substrate is provided with first common electrode lines and second common electrode lines, and the second common electrode lines are provided on the data lines and connected to each other to form a meshed structure of the common electrodes, which ensures the stability of the voltage signals of the common electrodes and effectively improves the display effect of the display panel.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: December 12, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventor: Yanna Yang
  • Patent number: 11842688
    Abstract: A backlight module includes at least one light-emitting group, each of which comprises a main drive unit provided with a plurality of main signal transmission channels and a plurality of groups of light-emitting units. Each of the main signal transmission channels is connected to a group of the light-emitting units. The backlight module further includes an auxiliary drive unit and a controller connected to the main drive unit and the auxiliary drive unit. The auxiliary drive unit provided with a plurality of auxiliary signal transmission channels and the main drive unit are connected in parallel, the auxiliary signal transmission channels and the main signal transmission channels are arranged in parallel in one-to-one correspondence and connected to the group of light-emitting units. The controller is configured to control operating states of the main signal transmission channel and the auxiliary signal transmission channel according to a refresh frequency and gray-scale data.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: December 12, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Bin Qiu, Rongrong Li
  • Patent number: 11842687
    Abstract: A pixel driving circuit includes a light-emitting component, a driving transistor, a storage capacitor, a compensation capacitor, and first to third control assemblys. A control terminal, a first terminal and a second terminal of the driving transistor are correspondingly connected to a point G, a point S and a point D. A first response terminal, a receiving terminal and an output terminal of the first control assembly are correspondingly connected to a first control line, a power line and the point S. A second response terminal, a ground terminal, a data signal terminal and first to third connection terminals of the second control assembly are correspondingly connected to a scan line, a ground line, a data line, the point G, a point Q and a first terminal of the storage capacitor. A second terminal of the storage capacitor is connected to the point S.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: December 12, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Tao Fan, Baohong Kang
  • Patent number: 11841579
    Abstract: A backlight module and a liquid crystal display panel are provided. The backlight module includes a substrate, multiple light emitting diodes, a quantum dot layer, a light-shielding layer, and a heat dissipation structure. The substrate has a first surface and a second surface opposite to the first surface. The multiple light emitting diodes are disposed on the first surface. The quantum dot layer is disposed on one side of the multiple light emitting diodes facing away from the substrate. The multiple light emitting diodes are each configured to emit lights of a first color. The lights of the first color are of the first color, a second color, or a third color after passing through the quantum dot layer. The light-shielding layer is disposed between each two adjacent light emitting diodes. The heat dissipation structure is disposed on the second surface.
    Type: Grant
    Filed: November 21, 2022
    Date of Patent: December 12, 2023
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Xiaogang Hu, Haoxuan Zheng
  • Patent number: 11841589
    Abstract: Disclosed are an array substrate, a display panel and a display device. The array substrate includes a display area and a non-display area, the non-display area is provided around an outside of the display area, the non-display area is provided with a frame adhesive coating area, the frame adhesive coating area has a frame adhesive coating section, the array substrate further includes a metal pad provided within the frame adhesive coating section and electrically connected to a conductive metal ball, and the metal pad has a shape adapted to a shape of the frame adhesive coating section and extends in an extension direction of the frame adhesive coating section. The array substrate of the technical solution in the present application can ensure good conductivity and reduce the risk of circuit failure.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: December 12, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Yongkao Gong, Haoxuan Zheng
  • Patent number: 11842701
    Abstract: A backlight module and a display apparatus are disclosed. The backlight module includes a back plate, one or more light bars, a dimming diaphragm, and a driving assembly; the back plate includes a bottom plate; the one or more light bars are arranged on one side of the bottom plate. Each light bar includes multiple first light-emitting units and multiple second light-emitting units; the multiple first light-emitting units are configured to generate diffuse light. The multiple second light-emitting units are configured to generate collimated light; the dimming diaphragm is arranged on a side of the one or more light bars away from the bottom plate, and has a diffusion mode and a transparent mode. The driving assembly is arranged between the bottom plate and the circuit board, connected to the circuit board, and configured to drive the light bar to rotate.
    Type: Grant
    Filed: June 4, 2023
    Date of Patent: December 12, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Ye Wan, Haoxuan Zheng
  • Publication number: 20230395035
    Abstract: Disclosed are a gate driving circuit, a display panel and a display device. The gate driving circuit applied to the display panel includes a plurality of driving groups. The display panel includes a plurality of pixel units distributed in an array and a plurality of row scanning lines for driving the pixel units. A start signal for scanning rows is sequentially received by the plurality of driving groups, and each driving group includes a plurality of gate driving units sequentially cascaded. In response that the start signal for scanning rows is received by a first level gate driving unit of each driving group, a gate driving signal is generated and output to a corresponding row scanning line and a next level gate driving unit by the first level gate driving unit of each driving group.
    Type: Application
    Filed: December 14, 2022
    Publication date: December 7, 2023
    Applicant: HKC CORPORATION LIMITED
    Inventors: Shangcao CAO, Baohong KANG
  • Patent number: 11835983
    Abstract: Disclosed are a touch panel and a touch display device, the touch panel includes a display area and a non-display area. The display area is provided with a plurality of row electrodes arranged at intervals along a first direction and a plurality of column electrodes arranged at intervals along a second direction. The non-display area is provided with a driving unit electrically connected to each row electrode which is provided with a plurality of first open holes, and each column electrode includes a plurality of electrode blocks; each electrode block is arranged in the first open hole, and the electrode block is insulated from the row electrode; each electrode block is provided with a second open hole, and a plurality of self-capacitance electrodes are provided in the display area; each self-capacitance electrode is arranged in the second open hole, and the self-capacitance electrode is insulated from the electrode block.
    Type: Grant
    Filed: June 8, 2023
    Date of Patent: December 5, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Wang Li, Baohong Kang