Patents by Inventor Baohong KANG

Baohong KANG 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: 11774803
    Abstract: The present disclosure relates to an optical film and a preparation method therefor, and a display device. This optical film comprises a light transmitting substrate as well as a magnetic powder and a magneto-optical medium disposed in the light transmitting substrate, the magnetic powder is used for forming a surface magnetic field, and the magneto-optical medium is located in the surface magnetic field, so that a polarization direction of linearly polarized light is rotated after the linearly polarized light passes through the magneto-optical medium. When being applied to a backlight module, this optical film can convert natural light emitted by the backlight module into polarized light in a required polarization direction as much as possible, thereby increasing the utilization ratio of backlight.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: October 3, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Ye Wan, Baohong Kang
  • Publication number: 20230288627
    Abstract: A backlight module and a display device are disclosed. The backlight module includes a back plate, a first light source assembly, and a second light source assembly. The first light source assembly includes a first light plate and a plurality of first light beads. The second light source assembly includes a second light plate and a plurality of second light beads. An edge of the first light plate and an edge of the second light plate are adjacent to form a groove portion. The backlight module further includes at least one third light bead and a reflective layer which are arranged in the groove portion. The reflective layer is disposed on a bottom and/or a side wall of the groove portion, and reflects outwards the light irradiated into the gap between the first light plate and the second light plate.
    Type: Application
    Filed: December 5, 2022
    Publication date: September 14, 2023
    Inventors: Junyi Zhao, Abao Huang, Baohong Kang
  • Patent number: 11746963
    Abstract: A backlight module includes a back plate, at least two lamp plates, a diffuser plate and a plurality of layers of optical film provided in a form of a stack. The at least two lamp plates are disposed on one side of the back plate. The diffuser plate is disposed on one side of the lamp plate away from the back plate. The plurality of layers of optical film are disposed on one side of the diffuser plate away from the lamp plate. The backlight module further includes at least two magnetic attraction parts which are disposed on a back side of the lamp plate, and are attracted to a lamp-plate mounting side of the back plate.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: September 5, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Jie Lv, Baohong Kang
  • Publication number: 20230274669
    Abstract: The present disclosure relates to the field of display devices, and provides a display panel including a plurality of panels spliced to each other, in which the spliced panel includes a back panel, a display body mounted on a first face of the back panel, and a printed circuit board mounted on a second face of the back panel, in which the display body is electrically connected to the printed circuit board and includes a display part and a substrate; and the spliced panel further includes a flexible substrate, in which one end of the flexible substrate is electrically connected to a display body, and the other end of the flexible substrate is electrically connected to a back face of a printed circuit board.
    Type: Application
    Filed: December 30, 2022
    Publication date: August 31, 2023
    Applicants: Changsha HKC Optoelectronics Co., Ltd., HKC CORPORATION LIMITED
    Inventors: Shengcai FAN, Baohong KANG
  • Patent number: 11741901
    Abstract: A pixel drive circuit is provided. The pixel drive circuit includes a light-emitting element, a drive transistor, a reset loop, a first capacitor, a first switch tube, a second capacitor, a pre-charge module, and a threshold compensation loop. The drive transistor is coupled with the light-emitting element. The reset loop is conductive in a reset phase to reset a voltage at a control end of the drive transistor. The pre-charge module is configured to charge the second capacitor to a first voltage in the reset phase. The threshold compensation loop includes the first capacitor, the drive transistor, and the first switch tube. A voltage at a control end of the first switch tube coupled with the second capacitor is raised continuously from the first voltage according to a first scan signal, to conduct the threshold compensation loop to compensate for a threshold voltage of the drive transistor.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: August 29, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Baohong Kang
  • Publication number: 20230268458
    Abstract: A display panel is provided with a conductive layer having a conductive connecting line for connecting a light-emitting element. The conductive layer is further provided with a redundant conductive connecting line for connecting a standby light-emitting element. The repair method of the display panel includes: detecting whether the light-emitting element is abnormal; electrically connecting the redundant conductive connecting line with the conductive connecting line when the light-emitting element is abnormal; and connecting the standby light-emitting element to a redundant conductive connecting line to replace the light-emitting element with abnormal function.
    Type: Application
    Filed: December 12, 2022
    Publication date: August 24, 2023
    Inventors: Zeyao LI, Baohong KANG
  • Patent number: 11721705
    Abstract: An array substrate and a method for manufacturing the same, a display panel, and a display device are provided. The array substrate includes a base substrate, a stacked structure, a common-electrode line, and a conductive structure. The stacked structure is disposed on a first surface of the substrate. The stacked structure includes a contact pad, a common-electrode layer, and a gate line. The contact pad is disposed on the first surface of the base substrate. The base substrate defines a first via hole at a position corresponding to the contact pad. The common-electrode layer is connected with the contact pad. The common-electrode line is disposed on a second surface of the base substrate. An orthographic projection of the gate line on a plane where the common-electrode line is located at least partially overlaps with the common-electrode line. The conductive structure is connected with the contact pad and the common-electrode line.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: August 8, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Zhiwei Li, Baohong Kang
  • Publication number: 20230245621
    Abstract: A driving voltage compensation circuit including a compensation circuit and a first switching circuit, the first switching circuit connects a driving element and a light emitting device, and the compensation circuit is connected to the driving element. The circuit operates according to an operational timing, the operational timing including a plurality of cycles, each cycle including at least a first time period and a second time period; during the first time period of each of the plurality of cycles, the first switching circuit is turned on, and the compensation circuit is turned off; the energy storage element releases electrical energy to provide a driving voltage to the driving element; during the second time period, the compensation circuit utilizes the received data voltage to store electrical energy for the energy storage element of the compensation circuit.
    Type: Application
    Filed: December 9, 2022
    Publication date: August 3, 2023
    Applicants: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Tao FAN, Baohong Kang
  • Publication number: 20230238391
    Abstract: An array substrate and a method for manufacturing the same, a display panel, and a display device are provided. The array substrate includes a base substrate, a stacked structure, a common-electrode line, and a conductive structure. The stacked structure is disposed on a first surface of the substrate. The stacked structure includes a contact pad, a common-electrode layer, and a gate line. The contact pad is disposed on the first surface of the base substrate. The base substrate defines a first via hole at a position corresponding to the contact pad. The common-electrode layer is connected with the contact pad. The common-electrode line is disposed on a second surface of the base substrate. An orthographic projection of the gate line on a plane where the common-electrode line is located at least partially overlaps with the common-electrode line. The conductive structure is connected with the contact pad and the common-electrode line.
    Type: Application
    Filed: December 28, 2022
    Publication date: July 27, 2023
    Applicants: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC Corporation Limited
    Inventors: Zhiwei LI, Baohong KANG
  • Publication number: 20230213822
    Abstract: A chip on film, a display panel, and a method of manufacturing the display panel are provided. The chip on film includes a flexible film and a driver chip. The flexible film includes at least a first group of lines and a second group of lines. M lines of the first group of lines are electrically connected to pins of the driver chip to form driver lines; and N lines of the secondgroup of lines are not electrically connected to any pin of the driver chip, serving as nominal lines. By arranging the nominal lines, a conventional bonding machine may be applied to bond the chip on film to the display substrate. Costs for modifying the bonding machine may be reduced, and application scenarios of the chip on film may be increased.
    Type: Application
    Filed: September 29, 2022
    Publication date: July 6, 2023
    Inventors: Li Tang, Baohong Kang
  • Publication number: 20230213827
    Abstract: An array substrate, a display panel and a method of fabricating the array substrate are disclosed. The array substrate is applied to the display panel, and includes a substrate, multiple scan lines, multiple data lines, a color filter layer, and a planarization layer. The color filter layer at least includes a plurality of first color filters, at least one of which has a raised portion in a region adjacent to the respective data line, and a middle portion in a region away from the respective data line, where a thickness of the raised portion is greater than that of the middle portion. The planarization layer defines at least one first elongated groove corresponding to the raised portion and extending along an extending direction of the data lines. The pixel electrode branch and/or the common electrode branch disposed corresponding to the raised portion is disposed in the respective first elongated groove.
    Type: Application
    Filed: December 12, 2022
    Publication date: July 6, 2023
    Inventors: Hui LI, Baohong KANG
  • Publication number: 20230206816
    Abstract: Disclosed is a method of compensating for a color shift of a display panel, a display module, and an electronic device, in which the method includes: in the case where a color shift occurs in a white screen of the display panel, determining a position where the color shift occurs; changing a timing of subpixels lighting the white screen in the position to a timing of red, green and blue pixels; adjusting brightness of the red pixel, brightness of the green pixel and brightness of the blue pixel to compensate for the color shift in the position. The present disclosure solves the technical problem that a color shift repairing technology in the related art can only solve unevenness of brightness within a certain range, resulting in poor repairing effect of the display panel.
    Type: Application
    Filed: December 23, 2022
    Publication date: June 29, 2023
    Applicants: Changsha HKC Optoelectronics Co., Ltd., HKC CORPORATION LIMITED
    Inventors: Kerong WU, Baohong KANG
  • Publication number: 20230194938
    Abstract: Provided is an array substrate, a manufacturing method for an array substrate, and a display panel. The array substrate includes a fist substrate base, common electrode lines, a color filter layer, and a planarization layer; the color filter layer includes first color filters and a second color filters, forming color filter channels therebetween on the common electrode lines, so as to avoid overlapping between the first color filters and the second color filters. The width of the common electrode lines is relatively small, ensuring a high aperture rate of the array substrate. Additionally, the array substrate further includes a planarization layer filled in the color filter channels, this minimizes the color filter channels to ensure flatness between the first color filters and the second color filters, so that etching residues in the color filter channels can be avoided when forming the pixel electrode layer.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 22, 2023
    Applicant: HKC CORPORATION LIMITED
    Inventors: Shishuai HUANG, Bing HAN, Baohong KANG
  • Publication number: 20230168555
    Abstract: Provided are an array substrate and a display panel. The array substrate includes: a base and first leads and second leads disposed in a non-display area on the base, the first leads are electrically connected to pixel electrodes, the second leads are electrically connected to a common electrode or to a ground electrode, the array substrate further includes an electrically actuated component, a bottom surface of which is conductive. After the electrically actuated component changes from an energized state to a de-energized state, the bottom surface is deformed and contacts at least part of the first leads and at least part of the second leads. The pixel electrodes and the common electrode or the ground electrode are shorted as the bottom surface of the electrically actuated component contacts the first leads and the second leads, to release residual charge on the pixel electrode.
    Type: Application
    Filed: November 25, 2022
    Publication date: June 1, 2023
    Applicants: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITED
    Inventors: Rong TANG, Baohong KANG
  • Publication number: 20230168531
    Abstract: A curved screen and a display device are disclosed. The curved screen includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first and second substrates. The curved screen is bent and concave along the first substrate. The first substrate includes a substrate and a planarization layer disposed on a concave side of the substrate. A plurality of grooves are defined in the planarization layer and arranged at intervals along a direction of a bending edge of the curved screen, and extend in parallel along a direction of a non-bending edge. The depth of each groove before bending is greater than after bending.
    Type: Application
    Filed: November 16, 2022
    Publication date: June 1, 2023
    Inventors: HUI LI, Baohong KANG
  • 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
  • Publication number: 20230140296
    Abstract: Disclosed are an optical splicing structure, a method for manufacturing the optical splicing structure and a splicing display device. The optical splicing structure is provided at the splice position of two display panels, the optical splicing structure includes a plastic sealing body and an optical fiber bundle, the plastic sealing body includes an incident end and a light emitting end opposite to the incident end; the optical fiber bundle includes a plurality of optical fiber lines distributed in the plastic sealing body; a plurality of the optical fiber lines extend in the direction of the incident end to the light emitting end and are arranged in a direction perpendicular to the direction from the incident end to the light emitting end.
    Type: Application
    Filed: October 24, 2022
    Publication date: May 4, 2023
    Applicant: HKC CORPORATION LIMITED
    Inventors: Ye WAN, Baohong KANG
  • Publication number: 20230126811
    Abstract: Disclosed are a method and a device for repairing a circuit on an array substrate, and an array substrate. The method includes: determining a section to be repaired on each signal line; applying a conductive material to form a repair line between two ends of the section to be repaired, the repair line being connected with two ends of the section to be repaired; and applying an insulating material to form a cover layer above the repair line, the cover layer completely covers the surface of the repair line.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 27, 2023
    Applicants: CHUZHOU HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Tianhui QIU, Baohong KANG
  • Publication number: 20230123248
    Abstract: Disclosed are an array substrate and a display panel. The array substrate includes a TFT device layer; a pixel definition layer arranged in a non-via area of a non-opening area of the TFT device layer, the non-opening area including a via area and the non-via area; a barrier wall arranged at the via area and in an inverted trapezoid shape; an organic light emitting diode layer arranged on an upper end of the barrier wall and an upper end of part of auxiliary electrodes in the via area; and a cathode arranged on the upper end of the part of the auxiliary electrodes in the via area. This application may alleviate the uneven distribution of cathode voltage to improve the brightness uniformity of the display panel.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Applicants: CHANGSHA HKC OPTOELECTRONICS CO., LTD., HKC CORPORATION LIMITED
    Inventors: Kerong WU, CHUNG JAE MOON, Baohong KANG
  • Publication number: 20230080340
    Abstract: A display panel and a display device are disclosed. The display panel includes a first substrate and a second substrate that are aligned and bonded together, and further includes a spacer disposed between the first substrate and second substrate. One end of the spacer is disposed on the second substrate, and the other end faces the first substrate. The first substrate further includes a first limiting groove that is disposed on one side adjacent to the second substrate and that corresponds to a position of the spacer. The other end of the spacer extends into the first limiting groove. A first limiting protruding strip is disposed on a groove wall of the first limiting groove, and the surface of the first limiting protruding strip facing the spacer abuts against the side wall of the spacer, defining a gap between the spacer and the groove wall of the first limiting groove.
    Type: Application
    Filed: September 14, 2022
    Publication date: March 16, 2023
    Inventors: Qing CAI, Baohong KANG