Patents Assigned to Mianyang HKC Optoelectronics Technology Co., Ltd.
  • Patent number: 11977295
    Abstract: A backlight module includes a substrate, a luminous source, an optical film, and a support structure, the luminous source is disposed on the substrate and is opposite to the optical film, the support structure is disposed between the substrate and the optical film, the support structure includes a base plate and at least two elastic support portions arranged at intervals, the base plate is disposed on the substrate, and the elastic support portions are disposed on a side of the base plate away from the substrate, and support the optical film.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: May 7, 2024
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Xiaohui Yang, Shin Moo Keun, Haoxuan Zheng
  • Patent number: 11967273
    Abstract: A control circuit, a drive device, and a display. The control circuit includes: a control unit and a detection unit. The detection unit is connected with a plurality of output voltage feedback terminals of a drive chip, and the detection unit is connected with the control unit. The detection unit is configured for providing a first voltage to the control unit when a voltage of at least one output voltage feedback terminal in the plurality of output voltage feedback terminals is detected, the first voltage being greater than a second voltage received by the control unit. The control unit is configured for controlling the drive chip to restart when the first voltage is greater than the second voltage.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: April 23, 2024
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Peiyang Lin, Honghai Liu, Xiaowei Han, Rongrong Li
  • Patent number: 11887996
    Abstract: A pixel driving circuit, a method thereof, and a display panel, related to the field of display technology. The pixel driving circuit includes: a first charging unit, a discharging unit, a second charging unit, an energy storage capacitor and a driving transistor. The first charging unit is configured for pre-charging the energy storage capacitor. The discharge unit is configured for discharging the voltage of the pre-charged energy storage capacitor to a preset voltage. The second charging unit is configured for inputting the data voltage to the storage capacitor. After the second charging unit charges the energy storage capacitor, the voltage of the energy storage capacitor is equal to the sum of the preset voltage and the data voltage. The energy storage capacitor is connected to the gate electrode of the driving transistor.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: January 30, 2024
    Assignees: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Haijiang Yuan
  • Patent number: 11881183
    Abstract: Disclosed are an overvoltage protection circuit, a display panel and a display. The overvoltage protection circuit includes an overvoltage detection circuit and an overvoltage count circuit. The overvoltage detection circuit connected to a power supply and the overvoltage count circuit detects a power supply voltage output by the power supply and output an overvoltage signal to the overvoltage count circuit when the power supply voltage is in an overvoltage state. The overvoltage count circuit connected to a switching element outputs a cutoff signal to the switching element when accumulated times for receiving overvoltage signals reach preset times, to control the switching element to disconnect the power supply from the power management integrated circuit.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: January 23, 2024
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Rongrong Li
  • Patent number: 11880110
    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: Grant
    Filed: November 25, 2022
    Date of Patent: January 23, 2024
    Assignees: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITED
    Inventors: Rong Tang, Baohong Kang
  • Publication number: 20230420311
    Abstract: A display panel and a preparation method thereof, and a display device. The display panel includes a display main body, which includes a display area and an encapsulation area, and the display panel further has deformation detection elements, including: an electro-display module having one or more electro-display units, and a piezoelectric module positioned on a surface of at least one deformable functional layer in the display main body, and positioned in the encapsulation area. The piezoelectric module includes two or more piezoelectric units disposed at intervals on the surface of the deformable functional layer, and a voltage difference is applied between two adjacent piezoelectric units. An electro-display unit is connected in series between the two adjacent piezoelectric units. The display panel can detect in real time whether deformation occurs through the deformation detection means, thereby ensuring the encapsulation quality and display effect.
    Type: Application
    Filed: December 14, 2022
    Publication date: December 28, 2023
    Applicants: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Jianying ZHANG, Haijiang Yuan
  • Patent number: 11854501
    Abstract: The present disclosure provides a backlight driving circuit including a power supply module and a current adjustment module. The current adjustment module detects the brightness of the first light-emitting columns and/or the second light-emitting columns to obtain detection current, and compares the detection current with a mode switching current. The current adjustment module controls one first light-emitting column and one second light-emitting column to connect with one first wire simultaneously, or controls one first light-emitting column to connect with one second connecting wire and controls one second light-emitting column to connect with another second connecting wire.
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: December 26, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Guofei Ji, Dalei Zhang, Haoxuan Zheng
  • 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: 11846849
    Abstract: A curved display panel and a display device are disclosed. The curved display panel includes a sealant, a first substrate, a second substrate, and at least two sets of buffer members that are respectively disposed along both sides of the curved display panel in a bending direction and between the sealant and a display region. The buffer members are made of an elastic material, and include a first fixing member arranged between the sealant and the display region and connected to the first substrate, and a second fixing member arranged between the first fixing member and the sealant and connected to the second substrate. Before the curved display panel is bent, one side of the first fixing member abuts one side of the second fixing member. After the curved display panel is bent, the first and the second fixing member are pressed against each other.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: December 19, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD, HKC CORPORATION LIMITED
    Inventors: Hui Li, Rongrong Li
  • 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: 11823617
    Abstract: Disclosed are a charge pump control circuit, a display panel and a display device. In particular, the charge pump control circuit includes: a first sampling identification module, in particular, a sampling terminal of a first sampling identification module is connected to the series branch circuit, the first sampling identification module is configured to sample the input voltage of the series branch circuit, and in a determination that the series branch circuit is in a heavy load working condition according to the input voltage of the series branch circuit, a first switching signal is output; in a determination that the series branch circuit is in a light load working condition according to the input voltage of the series branch circuit, a second switching signal is output.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: November 21, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Rongrong Li
  • Publication number: 20230351949
    Abstract: A control circuit, a drive device, and a display. The control circuit includes: a control unit and a detection unit. The detection unit is connected with a plurality of output voltage feedback terminals of a drive chip, and the detection unit is connected with the control unit. The detection unit is configured for providing a first voltage to the control unit when a voltage of at least one output voltage feedback terminal in the plurality of output voltage feedback terminals is detected, the first voltage being greater than a second voltage received by the control unit. The control unit is configured for controlling the drive chip to restart when the first voltage is greater than the second voltage.
    Type: Application
    Filed: December 23, 2022
    Publication date: November 2, 2023
    Applicants: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD, HKC CORPORATION LIMITED
    Inventors: Peiyang LIN, Honghai Liu, Xiaowei Han, Rongrong Li
  • Publication number: 20230343275
    Abstract: Disclosed are a charge pump control circuit, a display panel and a display device. In particular, the charge pump control circuit includes: a first sampling identification module, in particular, a sampling terminal of a first sampling identification module is connected to the series branch circuit, the first sampling identification module is configured to sample the input voltage of the series branch circuit, and in a determination that the series branch circuit is in a heavy load working condition according to the input voltage of the series branch circuit, a first switching signal is output; in a determination that the series branch circuit is in a light load working condition according to the input voltage of the series branch circuit, a second switching signal is output.
    Type: Application
    Filed: December 28, 2022
    Publication date: October 26, 2023
    Applicants: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Renjie ZHOU, Rongrong LI
  • Publication number: 20230345784
    Abstract: The present disclosure relates to a display panel and a display device. The display panel comprises a thin film transistor and a plurality of voltage drain drain signal lines, the thin film transistor comprises a bottom gate and a top gate opposite to each other, the voltage drain drain signal lines are arranged on the same layer as a source electrode and a drain electrode, the display panel further comprises a plurality of voltage dividing wires arranged on the same layer as the bottom gate, the plurality of voltage dividing wires and the plurality of voltage drain drain signal lines intersect with one another to be in grid-shaped distribution, and at least part of intersecting positions of the voltage dividing wires and the voltage drain drain signal lines are electrically connected through via holes.
    Type: Application
    Filed: December 30, 2022
    Publication date: October 26, 2023
    Applicants: Mianyang HKC Optoelectronics Technology Co., Ltd, HKC CORPORATION LIMITED
    Inventors: Xin YUAN, Xiufeng ZHOU, Haijiang YUAN
  • Publication number: 20230341733
    Abstract: A display panel and a display screen are provided in the disclosure. The display panel includes a transmission unit and a display unit electrically coupled with the transmission unit. The transmission unit is configured to transmit a driving signal to the display unit. The transmission unit includes a first wiring layer, a second wiring layer, and a dielectric layer. The dielectric layer is located between the first wiring layer and the second wiring layer. The first wiring layer is provided with first wires. The second wiring layer is provided with second wires. The first wires have first parts. Projections of the first parts on the dielectric layer overlap projections of the second wires on the dielectric layer. The first wires are electrically coupled with the display unit via the second wires. The first parts define at least one first space.
    Type: Application
    Filed: December 28, 2022
    Publication date: October 26, 2023
    Applicants: Mianyang HKC Optoelectronics Technology Co., Ltd., HKC Corporation Limited
    Inventors: Jingjing HAO, Rongrong LI
  • Patent number: 11789315
    Abstract: A backlight module includes a middle frame and a backplate disposed at one side of the middle frame. The middle frame is provided with a connecting post, the backplate is provided with a positioning hole, the connecting post is disposed in the positioning hole. The backlight module also includes a connecting piece disposed at one side of the backplate away from the middle frame and connecting the backplate and connecting post.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: October 17, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Lang Yu, Rongrong Li
  • Patent number: 11782301
    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: Grant
    Filed: November 16, 2022
    Date of Patent: October 10, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD, HKC CORPORATION LIMITED
    Inventors: Hui Li, Baohong Kang
  • Patent number: 11768326
    Abstract: A backlight module and a display device are provided. The backlight module includes a back cover, a support plate, a plastic frame, an engaging member, and a film assembly. The back cover includes a bottom cover and a side cover. The side cover is connected with a periphery of the bottom cover. The side cover and the bottom cover cooperatively define an accommodation space. The support plate is connected with the side cover. The plastic frame includes a side wall and a top wall. The side wall is connected with a periphery of the top wall. The engaging member is located between the support plate and the top wall, and connected with the support plate or the top wall. The film assembly is mounted in the accommodation space. The film assembly includes a film assembly body and a tab.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: September 26, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Danwang Song, Haijiang Yuan
  • Patent number: 11764230
    Abstract: An array substrate, a display panel, and a display device are provided. The array substrate has a display region and a non-display region, and the array substrate includes a substrate, a metal layer, an intermediate layer, a conductive film, and a conductive adhesive disposed in the non-display region. The metal layer is disposed on one side of the substrate, and the intermediate layer is disposed on one side of the metal layer away from the substrate. The array substrate defines a groove penetrating through the intermediate layer. The conductive film is disposed on one side of the intermediate layer away from the substrate and extends into the groove, and the conductive adhesive is disposed on one side of part of the conductive film in the groove away from the substrate, and at least extends to an edge of the groove adjacent to the display region.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: September 19, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Lian Zhang, Guoduo Chen, Haijiang Yuan
  • Patent number: 11749200
    Abstract: The present disclosure provides a display driving circuit and a display device. The display driving circuit includes multiple pixel circuits. A data terminal of each pixel circuit is connected to a corresponding data line. A scanning gate terminal of each pixel circuit is connected to a corresponding gate line. Power-supply terminals of N1 pixel circuits of the pixel circuits are all connected to a same first common line. N1 is greater than 2 and not greater than a first common number. The first common number is negatively correlated to any of a characteristic parameter of a thin-film field-effect transistor of each pixel circuit, and a current in one of the N1 pixel circuits, and a resistance of a power-supply voltage signal line between adjacent pixel circuits in the N1 pixel circuits, and the characteristic parameter is positively correlated to a channel width-to-length ratio of the thin-film field-effect transistor.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: September 5, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Xin Yuan, Xiufeng Zhou, Rongrong Li