Patents Assigned to HKC CORPORATION LIMITED
  • Publication number: 20240192798
    Abstract: Disclosed are a touch array substrate, a touch positioning method and a display panel. The touch array substrate includes: a plurality of receiving lines, a plurality of transmitting lines and a transmitting driven unit. Each receiving line is connected to the reception and detection terminal of the timing controller, each transmitting line can be with the plurality of receiving lines to form a plurality of corresponding touch capacitors; a plurality of clock input terminals of the transmitting driven unit are connected to the plurality of clock output terminals of the timing controller one-by-one; a plurality of output terminals of the transmitting driven unit are connected to input terminals of the plurality of the transmitting lines one-by-one, and the transmitting driven unit can sequentially output transmitting driven signals to the plurality of transmitting lines according to a plurality of received clock signals, to drive the transmitting lines to work sequentially.
    Type: Application
    Filed: June 14, 2023
    Publication date: June 13, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Tianyu XIA, Rongrong LI
  • Publication number: 20240192552
    Abstract: The present application relates to a liquid crystal display panel and a display device. The liquid crystal display panel includes a pixel electrode, a common electrode, and a gating module; the common electrode includes a first common electrode, a second common electrode, and a common electrode bus; in a state that a subpixel area is pressed, the second common electrode and the common electrode bus are gated by the gating module; and in a state that the subpixel area is unpressed, the first common electrode and the common electrode bus are gated by the gating module. According to the present application, Trace Mura can be relieved.
    Type: Application
    Filed: October 20, 2023
    Publication date: June 13, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Dingqiang CAI, Baohong KANG
  • Patent number: 12007553
    Abstract: An anti-peeping assembly and an anti-peeping display device. The anti-peeping assembly includes an anti-peeping component, two frames arranged at a periphery of the anti-peeping component, and two drive modules. The anti-peeping component includes two first substrates and a louver layer sandwiched between the two first substrates. The louver layer includes a plurality of light transmitting parts and a plurality of shading parts adjacent to the plurality of light transmitting parts. The drive module is configured to drive at least one of the two first substrates to move relative to the louver layer in a thickness direction of the first substrates so as to cause the louver layer to be compressed or be recovered from deformation, thereby realizing adjustment of a dimension of each of the light transmitting parts in the thickness direction. The anti-peeping assembly solves a problem that the conventional anti-peeping assembly has fixed and non-adjustable visual angle.
    Type: Grant
    Filed: July 21, 2023
    Date of Patent: June 11, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Xiaohui Yang, Haijiang Yuan
  • Patent number: 12009368
    Abstract: This application discloses an array substrate and a display panel. The array substrate includes a substrate, a plurality of active switches, and a transparent conductive layer. The active switches are formed above the substrate. The transparent conductive layer is formed above the active switches, and is connected to each of the active switches. Each of the active switches includes a metal layer. A hollow structure is mounted on the transparent conductive layer. The hollow structure is located in an overlapping region between the transparent conductive layer and the metal layer.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: June 11, 2024
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chuan Wu
  • Publication number: 20240185758
    Abstract: A display panel driving method, a driving apparatus, and a display apparatus are provided. The method includes: determining an over driving voltage according to a first display gray scale and second display gray scale, the first display gray scale a display gray scale of a target pixel cell in a current frame, the second display gray scale a display gray scale of the target pixel cell in a previous frame; determining a pre-charging gray scale according to the second display gray scale and a third display gray scale, the third display gray scale a display gray scale of a row above the target pixel cell in the current frame; determining a target gray scale according to the over driving gray scale and pre-charging gray scale; determining a target driving voltage according to the target gray scale, and driving the target pixel cell based on the target driving voltage.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 6, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Yuanping ZHANG, Haijiang YUAN
  • Publication number: 20240176187
    Abstract: The present application relates to a backlight module and a display device. The backlight module includes a light source, a light guide plate, and a diffusion film; the light guide plate includes a light guide incident surface facing the light source and a light guide emergent surface facing a light emitting direction, a peripheral edge of the light guide emergent surface is a refractive surface, and a distance from an outer edge of the refractive surface to the light guide incident surface is longer than a distance from an inner edge of the refractive surface to the light guide incident surface; and the diffusion film includes a diffusion incident surface and a diffusion emergent surface, and a shape of the diffusion incident surface is fitted to a shape of the light guide emergent surface. The direction and strength distribution of an emitting light path can be changed, and light leakage caused by ray overflow from a backplane due to ray concentration on the edge can be reduced.
    Type: Application
    Filed: November 25, 2023
    Publication date: May 30, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Hao LIU, Baohong KANG
  • Publication number: 20240176130
    Abstract: An anti-peeping assembly and an anti-peeping display device. The anti-peeping assembly includes an anti-peeping component, two frames arranged at a periphery of the anti-peeping component, and two drive modules. The anti-peeping component includes two first substrates and a louver layer sandwiched between the two first substrates. The louver layer includes a plurality of light transmitting parts and a plurality of shading parts adjacent to the plurality of light transmitting parts. The drive module is configured to drive at least one of the two first substrates to move relative to the louver layer in a thickness direction of the first substrates so as to cause the louver layer to be compressed or be recovered from deformation, thereby realizing adjustment of a dimension of each of the light transmitting parts in the thickness direction. The anti-peeping assembly solves a problem that the conventional anti-peeping assembly has fixed and non-adjustable visual angle.
    Type: Application
    Filed: July 21, 2023
    Publication date: May 30, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Xiaohui YANG, Haijiang YUAN
  • Patent number: 11990105
    Abstract: A method and a system of measuring a display panel, and a display panel. The display panel includes a backlight module and a liquid crystal panel. The method of measuring the display panel includes determining a target position on a display panel that meets a preset condition, wherein the target position includes a first target position and a second target position, and a connecting line of the first target position and the second target position is parallel to a row of sub-pixels. The method further includes measuring brightness information at the target position under a constant applied voltage, wherein the brightness information includes brightness information of the backlight module and brightness information of the display panel, and a display efficiency of the display panel is calculated according to the brightness information.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: May 21, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventor: Zhenli Song
  • Patent number: 11990097
    Abstract: A display driving structure includes a drive component and at least a switching component. The drive component is connected to data lines in pixel groups to provide a one-to-one corresponding data signal to each of the sub-pixels through the data lines. A first input terminal of the switching component is configured to receive a p-th row of scanning signals, a second input terminal is configured to receive a (p+1)-th row of scanning signals, a first output terminal is connected to a p-th row of the scan lines in the pixel group, a second output terminal is connected to a (p+1)-th row of the scan lines in the pixel group, and a control terminal is configured to control the conduction sequence of signals in the switching component according to the polarities of the data signals received by adjacent two sub-pixels connected to each column of the data lines.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: May 21, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Jianlei Li, Rongrong Li
  • Patent number: 11990094
    Abstract: The pixel driving circuit includes a first switching transistor connected to a first control line, a reference power line, and a first node, a second switching transistor connected to a scan line, a data line, and the first node; a driving transistor connected to the first node, a driving power line, and a second node; a first capacitor connected to the first node and a third node; a second capacitor connected to the third node and a cathode of a organic light-emitting diode; a third switching transistor connected to the third node, the second node, and a second control line; and a fourth switching transistor connected to the second node, an anode of the organic light-emitting diode, and a third control line.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: May 21, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Tao Fan, Zhenghui Yuan, Yun Wang, Guanqun Li, Baohong Kang
  • Publication number: 20240159379
    Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a substrate, a light-emitting layer, and a light refracting layer. The light-emitting layer is disposed on the substrate and includes multiple light-emitting units arranged at intervals. The light-emitting unit is configured to emit light. The light-refracting layer includes multiple first medium parts and multiple second medium parts, where the first medium part covers a surface of the light-emitting unit, and the second medium part is arranged between adjacent first medium parts. The first medium part has a first refractive index n1 for light emitted by the light-emitting unit, and the second medium part has a second refractive index n2 for the light emitted by the light-emitting unit, where n1>n2.
    Type: Application
    Filed: July 6, 2023
    Publication date: May 16, 2024
    Applicant: HKC Corporation Limited
    Inventors: Hao LIU, Baohong KANG
  • Patent number: 11982895
    Abstract: A color filter substrate (100), a manufacturing method thereof, and a display panel are disclosed. The color filter substrate (100) includes a substrate (110), a black matrix layer (120), a first filler (130), and a positioning mark (140). The black matrix layer (120) is arranged on the substrate (110), and a groove (121) is defined in the black matrix layer (120) and arranged around a display area (111) of the substrate (110). The filler (130) is arranged inside the groove. The positioning mark (140) is arranged inside the groove (121), and has a different color from that of the first filler (130).
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: May 14, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Shuyu Ke, Haoxuan Zheng
  • Publication number: 20240153454
    Abstract: A pixel drive circuit, including a data input circuit, an energy storage circuit, a light-emitting control circuit, a first switch circuit, a second switch circuit and a third switch circuit. An end of the first switch circuit is connected with a control end of the light-emitting control circuit, and another end of the first switch circuit is connected with an input of the light-emitting control circuit that is connected to a power supply. An end of the second switch circuit is connected with an output of the data input circuit, and another end of the second switch circuit is grounded, and an output of the light-emitting control circuit is connected to an anode of a light-emitting device. The first switch circuit and the second switch circuit are switched on in a reset phase, and the third switch circuit is switched on in a light-emitting phase.
    Type: Application
    Filed: July 26, 2023
    Publication date: May 9, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Renjie ZHOU, Haoxuan ZHENG
  • Patent number: 11978399
    Abstract: A pixel drive circuit, a display panel and a display device. In the pixel drive circuit, a voltage-stabilization transistor is arranged, and the voltage-stabilization transistor is provided with two control ends, each of the two control ends forms a voltage-stabilization capacitor with the active layer, thereby a new capacitor is added on the basis of the original parasitic capacitor. The new capacitor has a relatively large capacitance value. The potential variation at the control end of the drive transistor depends on the parasitic capacitor of the drive transistor, the storage capacitor at the control end of the drive transistor, and the capacitance value of the new capacitor, when the capacitive coupling effect occurs, the voltage at the control end of the drive transistor can be jointly maintained by the above three capacitors, thereby improving the effect of voltage stabilization.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: May 7, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Xiufeng Zhou, Xin Yuan, Rongrong Li
  • Patent number: 11978377
    Abstract: A driving circuit and a driving device for a display panel, and the driving circuit for the display panel includes: a stretching circuit, a control circuit, a bootstrapping circuit, and an output circuit; the control circuit is respectively electrically connected with the stretching circuit, the bootstrapping circuit, and the output circuit, and the bootstrapping circuit is electrically connected with the output circuit. The stretching signal generated by the stretching circuit can enable the bootstrapping circuit to have enough time to be charged, and ensure that the output circuit can reach or exceed the preset potential when receiving the bootstrap signal, thereby the voltage being not stable when the gate driving signal is output is avoided, and the phenomenon that the gate driving signal is stopped in advance is avoided.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: May 7, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Jing He, Baohong Kang
  • Publication number: 20240142815
    Abstract: A display panel is provided. The display panel includes a first substrate, a second substrate, and a liquid crystal layer. The liquid crystal layer includes multiple liquid crystal molecules. The display panel includes multiple primary spacer assemblies, and each of the multiple the primary spacer assemblies includes a first primary spacer, a second primary spacer, and a piezoelectric element. The first primary spacer is adjacent to the second primary spacer, and two opposite ends of the piezoelectric element are respectively connected to the first primary spacer and the second primary spacer.
    Type: Application
    Filed: July 6, 2023
    Publication date: May 2, 2024
    Applicant: HKC Corporation Limited
    Inventors: Ni LUO, Weishi YANG, Jianying ZHANG, Baohong KANG
  • Patent number: 11970351
    Abstract: Disclosed are a buffer material conveying and winding device, a buffer material conveying method and an assembly binding system, belonging to the technical field of a chip on glass. The buffer material conveying and winding device comprises a rack, a feed roller, a feed servo motor, a recycling roller, a recycling torque motor, a measuring device, a controller and an alarm. The controller may monitor whether the recycling length meets the requirement through the measuring device. The buffer material conveying method is based on the buffer material conveying and winding device. The assembly binding system comprises a buffer material conveying and winding device, a buffer material and a pressing head device.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: April 30, 2024
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yang Zhang
  • Patent number: 11970354
    Abstract: This application discloses a device and a method for separating optical adhered films. The device for separating optical adhered films includes: a separating workbench configured to separate optical films; a suction nozzle configured to adsorb the optical film; a driving device configured to drive the suction nozzle and the separating workbench. The suction nozzle includes a first group of suction nozzles and a second group of suction nozzles. The first group of suction nozzles and the second group of suction nozzles are arranged opposite to each other. The method for separating optical adhered films includes the following steps: separating, when the detection structure for two optical adhered films detect that at least two optical films are adhered to each other, the optical adhered films by using a first group of suction nozzles and a second group of suction nozzles.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: April 30, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventor: Beizhou Huang
  • 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: 11966134
    Abstract: An array substrate and a display device. The array substrate includes a base substrate, a plurality of pixel electrodes, a plurality of first common electrodes, a first-common-signal line and a connection line, that are disposed on the base substrate. The first common electrode is a common electrode of the array substrate. The connection line is connected between the first-common-signal line and the first common electrode, enabling a voltage from the first-common-signal line to be output to the first common electrode through the connection line. The array substrate also includes a detection line, the detection line and the first-common-signal line are insulated from each other, and an orthographic projection of the detection line on the base substrate and an orthographic projection of the first-common-signal line on the base substrate have at least one intersection point. The detection line is also arranged to be extended outside the base substrate.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: April 23, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Yanna Yang, Wei Li