Patents Assigned to HKC CORPORATION LIMITED
  • Patent number: 11922897
    Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit is configured to drive a display device to display different grayscale images. The voltage-dividing circuit includes 2n voltage-dividing signal terminals arranged sequentially from low to high voltage. The switching circuit includes 2n switching sub-circuits. Each of the 2n switching sub-circuits includes a receiving terminal, a first output terminal, and a second output terminal. The receiving terminal is electrically coupled to the voltage-dividing signal terminal. The voltage selecting circuit includes 2n selecting signal terminals. Each of the 2n selecting signal terminals is electrically coupled with the first output terminal of one of the 2n switching sub-circuits and the second output terminal of one of the 2n switching sub-circuits.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: March 5, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Mancheng Zhou, Haoxuan Zheng
  • Publication number: 20240071290
    Abstract: Disclosed are a drive circuit and a display panel, relates to the technical field of display. The drive circuit includes a light-emitting module, a switch module, a data drive module, a protection module and a compensation module, an output end of the switch module is connected with the light-emitting module, the switch module is accessed to a first scan signal, the switch module is for switching between an on-state and an off-state under a control of the first scan signal; and an output end of the data driver is connected with an input end of the switch module, and the data drive module is accessed to a data drive voltage and the first scan signal, the data drive module is for transporting the data drive voltage to the light-emitting module through the switch module under the control of the first scan signal.
    Type: Application
    Filed: December 15, 2022
    Publication date: February 29, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Renjie ZHOU, Baohong KANG
  • Publication number: 20240071321
    Abstract: A pixel circuit and a pixel drive method. The pixel circuit includes at least two sub-pixel drive sub-circuits, the sub-pixel drive sub-circuits include an input component, a compensation component, a drive component, a first light-emitting control component and a first light-emitting element, the input component is configured to receive a data voltage signal and a first scan signal. The compensation component is configured to receive a second scan signal. The first light-emitting control component is configured to receive a power supply signal and a first control signal. An output of the drive component in the plurality of sub-pixel drive sub-circuits is coupled to an output of a first reset sub-circuit, and the first reset sub-circuit is configured to receive an initial voltage signal and a third scan signal.
    Type: Application
    Filed: December 21, 2022
    Publication date: February 29, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Zhaoyang LU, Haoxuan ZHENG
  • Publication number: 20240069584
    Abstract: Disclosed are a voltage stabilizing circuit and a display panel. A voltage stabilizing circuit includes a light emitting module, a driving module, a comparison module, a selection module, a first switch module and a second switch module. Since the delay of on-off of each LED in the display panel is difficult to be detected by the eyes, the present application combines the above modules, can change the on-off timing of the LED in the entire display panel by setting the reference voltage as the judgment threshold of the driving voltage, to provide more ample time for the driving voltage of the remote end to climb or fall, to turn the LED on and light it up until the driving voltage meets the conditions.
    Type: Application
    Filed: December 19, 2022
    Publication date: February 29, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Renjie ZHOU, Baohong KANG
  • Patent number: 11915662
    Abstract: A backlight module includes at least one drive light-emitting group. The drive light-emitting group includes a drive unit provided with plurality of signal transmission channels, a plurality of light-emitting units and a plurality of line groups. The signal transmission channel is connected to the light-emitting unit through the line group. The signal transmission channel, the line group and the light-emitting unit are arranged in one-to-one correspondence. The line group includes a main transmission line and a compensation line arranged in parallel. The compensation lines of the plurality of line groups are connected through a control switch group. When there is an abnormal signal transmission channel, the control switch group is enabled to control a compensation line corresponding to the abnormal signal transmission channel to be conducted with compensation line corresponding to at least one normal signal transmission channel.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: February 27, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Bin Qiu, Rongrong Li
  • Patent number: 11916085
    Abstract: A base substrate and a first metal layer laminated on the base substrate are included. A first laminated portion and a second laminated portion are arranged on and directly contact a side of the first metal layer. The first laminated portion includes a first insulating layer, a second metal layer, a second insulating layer and a first conductive layer. The first laminated portion is arranged with a first via. The second laminated portion includes a third insulating layer and a second conductive layer laminated on the third insulating layer. The second laminated portion is arranged with a second via. The first via is connected to the first conductive layer, the second via is connected to the second conductive layer, and the first conductive layer is connected to the second conductive layer. The second laminated portion is extended to reach an edge of the first metal layer.
    Type: Grant
    Filed: November 24, 2022
    Date of Patent: February 27, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Hongyan Chang, Zhenya Li, Guangjia Wang, Bing Han, Shishuai Huang, Xiaojie Wang, Haijiang Yuan
  • Patent number: 11915654
    Abstract: A drive circuit of a display panel and a display device are provided in the disclosure. The drive circuit includes a voltage output module. The voltage output module includes a voltage input terminal, a voltage output terminal, a detection module, and an isolation module. The voltage input terminal is configured to receive a voltage signal. The voltage output terminal is electrically coupled with the display panel. The detection module is electrically coupled with the voltage input terminal and configured to determine whether a voltage value of the voltage signal received at the voltage input terminal is greater than or equal to a preset voltage threshold. The detection module is configured to output a second control signal when the voltage value of the voltage signal is less than the preset voltage threshold.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: February 27, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Rongrong Li
  • Patent number: 11916053
    Abstract: A display panel and a display device are provided. The display panel includes a drive substrate, a bonding layer, and multiple light-emitting components. The drive substrate includes multiple sets of pads. Each set of pads includes a first pad and a second pad. The bonding layer is arranged on the multiple sets of pads. Each light-emitting component includes a semiconductor light-emitting layer, a first electrode, and a second electrode. The first electrode and the second electrode are arranged at opposite ends of the semiconductor light-emitting layer. The first electrode is electrically connected to a corresponding first pad through the bonding layer. The second electrode is electrically connected to a corresponding second pad through the bonding layer. The second electrodes of the adjacent light-emitting components are close to each other. The second electrodes close to each other are shorted through the same bonding layer and/or the same second pad.
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: February 27, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Zeyao Li, Rongrong Li
  • Patent number: 11915663
    Abstract: A common voltage driving circuit, a display device, and an electronic device are provided. The common voltage driving circuit includes multiple scan lines and multiple common-voltage signal lines, and further includes multiple common electrode units arranged in an array. The multiple scan lines extend in a first direction and are arranged at intervals in sequence in a second direction perpendicular to the first direction. The multiple common-voltage signal lines extend in the second direction and are arranged at intervals in sequence in the first direction. The multiple common electrode units are disposed at intersections of the multiple scan lines and the multiple common-voltage signal lines respectively. Common electrode units in a same column are all electrically coupled with a same common-voltage signal line. Common electrode units in a same row are all electrically coupled with a same second scan line.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: February 27, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Mancheng Zhou, Yuanping Zhang, Rongrong Li
  • Patent number: 11908366
    Abstract: The present application discloses a cross voltage compensation method for a display panel, a display panel and a display device. The cross voltage compensation method includes steps of transmitting a preset voltage signal to in-plane data lines after scan of scanning lines of a last row of a current frame is completed and before scanning lines of a first row of a next frame are started, keeping all the scanning lines at a close state while transmitting the preset voltage signal to in-plane data lines, and keeping all the scanning lines at a close state after scan of scanning lines of a last row of a current frame is completed and before scanning lines of a first row of a next frame are started, that is, V-blank time.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: February 20, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventor: Liang Zhang
  • Patent number: 11908402
    Abstract: The display device includes: a display panel, having a plurality of pixel assemblies each including a power supply end; a timing control circuit, having a first signal output end configured to output a selection instruction signal, and a second signal output end configured to output a clock signal; and a power circuit, including a voltage generation assembly configured to generate a plurality of step voltages, a voltage selection assembly configured to select at least one step voltage from the plurality of step voltages in response to the selection instruction signal, and a voltage conversion assembly configured to determine a power supply voltage on the basis of the step voltage in response to the clock signal and to output the power supply voltage to the power supply end.
    Type: Grant
    Filed: June 13, 2023
    Date of Patent: February 20, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Jianlei Li, Zhicheng Tao, Baohong Kang
  • Patent number: 11908412
    Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a scan line, a data line, a capacitor, a switch module, and a driving transistor. A scanning voltage is at a first level in a sampling phase and in a light-emitting phase, and at a second level in a data writing phase. A data voltage is at a high level in the sampling phase, and at a low level in the data writing phase and in the light-emitting phase. The capacitor includes a first capacitor-terminal and a second capacitor-terminal. The driving transistor includes a gate terminal electrically connected with the second capacitor-terminal, a source terminal electrically connected with the scan line, and a drain terminal configured to be electrically connected with the gate terminal in the sampling phase and be disconnected from the gate terminal in the data writing phase.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: February 20, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Tao Fan, Haijiang Yuan
  • Patent number: 11908411
    Abstract: A display panel includes a plurality of pixel driving circuits arranged in an array along a row direction and a column direction. The display panel further comprises a plurality of first control lines, a plurality of second control lines, a plurality of data lines, and a plurality of power lines. Each of the pixel driving circuits is correspondingly connected to the first control line, the second control line, the data line, and two power lines, and the two power lines comprises a first power line and a second power line. The pixel driving circuit includes: a driving transistor, a storage capacitor, a sampling compensation assembly, a first switch assembly, a second switch assembly and a light emitting device.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: February 20, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Tao Fan, Rongrong Li
  • Patent number: 11908683
    Abstract: The present application discloses a manufacturing method of a silicon nitride thin film, a thin film transistor and a display panel, the method includes following steps: providing a silane precursor into an atomic layer deposition apparatus for a preset time period, and remaining the silane precursor for a preset time period after the provision; providing an inert gas into the atomic layer deposition apparatus for a preset time period for the first time, and purging the silane precursor; providing a nitrogen supplying precursor into the atomic layer deposition apparatus for a preset time period, and remaining the nitrogen supplying precursor for a preset time period after the provision; providing the inert gas into the atomic layer deposition apparatus for a preset time period for the second time, and purging the nitrogen supplying precursor; repeating for a preset number of times the steps of providing the silane precursor, providing the inert gas for the first time, providing the nitrogen supplying precurso
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: February 20, 2024
    Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: En-Tsung Cho, Wanfei Yong, Je-Hao Hsu, Yuming Xia, Haijiang Yuan
  • Patent number: 11906833
    Abstract: A display module includes a display unit for image displaying and provided with a light-emitting side, the display module further includes an outer encapsulation layer provided on the light-emitting side of the display unit, and is provided to cover at least an edge of the display unit; the outer encapsulation layer is made of self-healing glass material; and a traction assembly including a first connection piece and a second connection piece with magnetic adsorption, the display unit is provided with a splicing portion for splicing the display modules, the first connection piece and the second connection piece are provided in the splicing portion; the first connection piece and the second connection piece are used for providing the outer encapsulation layers of the two spliced display modules with required fusion force when the display modules are spliced.
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: February 20, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Guangchen Zhang, Yunyang Liu, Tingting Shen, Zhiwei Li, Li Lv, Ying Chen, Baohong Kang
  • Publication number: 20240054926
    Abstract: A display panel adjustment method, display apparatus and storage medium. Detecting whether a persistence is created on a display panel by displaying a preset detection screen, locating all zones where a persistence has appeared in case where the persistence has been created on the display panel, and determining a target gate line which probably causes the persistence to appear on the display panel; by shortening the turn-on time of a target gate line, it is possible to decrease the probability of a parasitic capacitor being formed on the target gate line, or may decrease the charge held in the parasitic capacitor formed on the target gate line, and may further increase the discharge time of the parasitic capacitor, so as to mitigate or eliminate the persistence, and improve the display effect.
    Type: Application
    Filed: June 24, 2022
    Publication date: February 15, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Mancheng ZHOU, Zhi XIONG, Baohong KANG
  • Publication number: 20240053628
    Abstract: Disclosed are a backlight module and a display device. The backlight module comprises a backplane and a plastic frame provided around the side walls of the backplane. Two side opposite walls of the backplane or the plastic frame are respectively provided with conductive sheets insulated from the backplane, so as to form an electric field for attracting foreign matter between the two conductive sheets. The backlight module can continuously and stably absorb dust and other foreign matter during assembly and use, avoiding foreign matter from scratching optical assemblies, ensuring the stability of the display image quality of the display device, and improving product yield.
    Type: Application
    Filed: July 6, 2023
    Publication date: February 15, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Xiaolan TONG, Baohong KANG
  • Patent number: 11900877
    Abstract: An organic light-emitting diode control circuit includes an organic light-emitting diode, an input control module and a protection module. The input control module is enabled in response to a scan signal provided by the scan line, and controls an operation of the organic light-emitting diode based on a data signal provided by the data line. The protection module can detect the current passing through the organic light-emitting diode or voltage across the same, and control the input control module to cut off the power supply of the organic light-emitting diode when the current of the organic light-emitting diode or the voltage across the same is greater than a preset value.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: February 13, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Haoxuan Zheng
  • Patent number: 11901394
    Abstract: The present application discloses a display panel and a manufacturing method therefor, and the method includes steps of: forming a photosensitive element layer, forming a light collimating layer on the photosensitive element layer, and forming an active light-emitting matrix layer on the light collimating layer; where the step of forming the light collimating layer includes: providing a metal substrate, putting the metal substrate into an electrolyte, and preparing a porous oxidized metal as the light collimating layer by a two-step oxidation method.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: February 13, 2024
    Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: En-Tsung Cho, Jie Ding, Je-Hao Hsu, Lidan Ye
  • Patent number: 11903245
    Abstract: The application discloses a display panel, a manufacturing method of the display panel, and a display device. The display panel includes a display area and a non-display area, and includes a first substrate and a second substrate that is aligned and bonded with the first substrate. The first substrate includes a mark corresponding to the non-display area. The second substrate includes a light shielding portion corresponding to the mark, and the light shielding portion includes a blocking member corresponding to the mark.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: February 13, 2024
    Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Peixin Lin, Haijiang Yuan