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).

  • Publication number: 20240242650
    Abstract: A control circuit of a display panel, and a display device. The control circuit of a display panel is configured to receive a first clock signal, a first level signal and a second level signal, phase-shift the first clock signal to obtain a second clock signal according to the first level signal and the second level signal and output the second clock signal to a gate drive circuit. The clock signal is phase-shifted to reduce the load of a single clock signal and minimize the number of clock generators in the display panel, thereby reducing the production cost of the display panel.
    Type: Application
    Filed: June 9, 2022
    Publication date: July 18, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Tingting SHEN, Baohong KANG
  • Publication number: 20240241413
    Abstract: A control switch of a drive circuit (200), an array substrate (100), and a display panel (400) are disclosed. The control switch includes a thin film transistor (220). In the thin film transistor (220), each source branch (231) directly connected to a source lead (210) is a first source branch (232), and each source branch (231) not directly connected to the source lead (210) is a second source branch (233). A channel width between the first source branch (232) and the adjacent drain branch (241) is greater than that between the second source branch (233) and the adjacent drain branch (241).
    Type: Application
    Filed: December 31, 2021
    Publication date: July 18, 2024
    Inventors: Zhenghang HE, Baohong KANG
  • Publication number: 20240242658
    Abstract: A current control circuit, which includes an energy storage unit, a first switch unit, and a pulse width modulation unit. A first end of the energy storage unit is connected to a first preset voltage terminal V1 through the first switch unit, the first end of the energy storage unit is further connected to a first signal output of the level conversion chip so as to input a high level signal. A second end of the energy storage unit is connected to other signal outputs of the level conversion chip. The pulse width modulation unit is configured to modulate a duty cycle of the first switch unit. The current control circuit can accurately control the magnitude of the current in the display panel after a power-off instruction is received by the display device, thereby protecting the display panel.
    Type: Application
    Filed: December 30, 2021
    Publication date: July 18, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Renjie ZHOU, Baohong KANG
  • Patent number: 12038640
    Abstract: A display device and an electronic device are provided. The display device includes a back plate, a display panel, an optical film, a light guide strip, and an infrared light bead. The display panel is carried on the back plate and includes a liquid crystal layer. The optical film is disposed at one side of the display panel adjacent to the back plate. The light guide strip has a first light-incident surface and a light-exiting surface. The first light-incident surface is connected to the light-exiting surface in a bent manner. The infrared light bead is accommodated in the back plate. The infrared light bead is configured to emit infrared light. The infrared light bead is disposed close to the first light-incident surface of the light guide strip.
    Type: Grant
    Filed: August 25, 2023
    Date of Patent: July 16, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Qinglin Chen, Baohong Kang
  • Publication number: 20240234630
    Abstract: A spherical light-emitting chip and a manufacturing method thereof, and a display device are provided. The spherical light-emitting chip includes a light-emitting layer, a first electrode, a second electrode, and an alignment guiding layer. The first electrode is spaced apart from the light-emitting layer. The second electrode is spaced apart from the light-emitting layer. The second electrode and the first electrode are configured to load a voltage to enable the light-emitting layer to emit light. The spherical light-emitting chip has a central axis passing through a sphere center of the spherical light-emitting chip. The second electrode extends in a direction of the central axis, and the central axis passes through the second electrode. The alignment guiding layer is arranged around the second electrode, and a surface of the alignment guiding layer surrounding the second electrode is in contact with a peripheral side surface of the second electrode.
    Type: Application
    Filed: July 10, 2023
    Publication date: July 11, 2024
    Applicant: HKC Corporation Limited
    Inventors: Hailong HE, Baohong KANG
  • Publication number: 20240233661
    Abstract: An electronic ink screen and a driving method thereof are disclosed. The driving method includes: in an image of a current page, sequentially receiving by each pixel a first reset voltage and an image voltage; in an image of a next page, sequentially receiving by each pixel a second reset voltage and an image voltage of the next page. The first reset voltage is used to reset the grayscale of the pixel from an original grayscale to a black grayscale. The image voltages are used to raise the grayscale of the pixel from a white grayscale or black grayscale to a target grayscale. Then the pixel displays according to the image voltage.
    Type: Application
    Filed: July 5, 2023
    Publication date: July 11, 2024
    Inventors: MANCHENG ZHOU, Baohong Kang
  • Publication number: 20240222382
    Abstract: A display panel and a display device are disclosed. A sealant is arranged between a first substrate and a second substrate, and is arranged in a non-display area. A first metal wire group and a second metal wire group are connected in one-to-one correspondence through a set of bridging structures. In the set of bridging structure, the bridging structure closest to the outer edge of the sealant is the outermost bridging structure, and the distance between the outermost bridging structure and the outer edge of the sealant is at least 50 um.
    Type: Application
    Filed: December 31, 2021
    Publication date: July 4, 2024
    Inventors: Jianying ZHANG, Limiao WANG, Rong TANG, Jie WANG, Baohong KANG
  • Publication number: 20240221699
    Abstract: Disclosed are a pixel circuit, a method for controlling a pixel and a display panel. The pixel circuit includes a first thin film transistor, a controlled end of the first thin film transistor is connected to the scan line, and an input end of the first thin film transistor is connected to the data line; and a first selection circuit, an input end of the first selection circuit is connected to an output end of the first thin film transistor, the first output end of the first selection circuit is connected to the first pixel electrode, and a second output end of the first selection circuit is connected to the second pixel electrode; the first thin film transistor is configured to sequentially write a data signal transmitted on the data line into the first pixel and the second pixel through the first selection circuit.
    Type: Application
    Filed: August 4, 2023
    Publication date: July 4, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Guangchen ZHANG, Tingting SHEN, Li LV, Yunyang LIU, Zhiwei LI, Jie WANG, Baohong KANG
  • Publication number: 20240212644
    Abstract: An array substrate, a display panel and a display device. The array substrate includes multiple pixel groups arranged in an array, each pixel group includes two sub pixel groups, each sub pixel group includes two pixels, and each pixel includes multiple sub-pixels. The sub-pixels in a same pixel group are located in a same row. Pixel groups in the same row are correspondingly connected to two adjacent scan lines, and pixel groups in different row are connected to different scan lines. In a same sub pixel group, sub-pixels having a same color and opposite polarities are connected to a same source driver IC, and are connected to different scan lines. In a same pixel group, sub-pixels having a same color and opposite polarities in different sub pixel groups are connected to the same scan line.
    Type: Application
    Filed: July 31, 2023
    Publication date: June 27, 2024
    Applicant: HKC CORPORATION LIMITED
    Inventors: Haibo LI, Baohong Kang
  • Patent number: 12013710
    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: Grant
    Filed: December 19, 2022
    Date of Patent: June 18, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Baohong Kang
  • Publication number: 20240192553
    Abstract: An array substrate, an LCD panel and an LCD apparatus are provided, the array substrate includes: a base substrate, a first metal pattern layer and a protection layer stacked in sequence; a display area and a peripheral area surrounding the display area, the peripheral area includes a bonding area and a non-bonding area, and the bonding area is disposed on at least one side outside the display area; where the first metal pattern layer includes a plurality of conductive contacts disposed in the bonding area and arranged at intervals along a first direction and a plurality of bent signal leads disposed in the non-bonding area, the protection layer includes a first insulation layer and a second metal pattern layer stacked in sequence, and along a thickness direction of the base substrate, the first insulation layer is disposed on a side of the second metal pattern layer approaching the base substrate.
    Type: Application
    Filed: December 30, 2021
    Publication date: June 13, 2024
    Applicants: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKG CORPORATION LIMITED
    Inventors: Jing HE, Baohong KANG
  • 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
  • Publication number: 20240185810
    Abstract: A control switch of a driving circuit (200), an array substrate (100), and a display panel (400) are disclosed. The control switch includes a thin film transistor (220). In the thin film transistor (220), the electrode (230) includes at least two source branches (231), and the drain electrode (240) includes at least one drain branch (241). Each source branch (231) directly connected to the source lead (210) is a first source branch (232). Each drain branch (241) adjacent to the first source branch (232) is a first drain branch (242). An extension of each of the at least one source lead (210) is located between the respective first drain branch (241) and the source trunk (234).
    Type: Application
    Filed: December 31, 2021
    Publication date: June 6, 2024
    Inventors: ZHENGHANG HE, BAOHONG KANG`
  • Patent number: 12001096
    Abstract: A backlight module, an assembly method of the backlight module, and a display device are provided in the disclosure. The backlight module includes a backplane, a light bar, a light-guide plate, a reflective sheet fixed on a first side of the backplane, and an adhesive layer. The light bar includes a circuit board and multiple light sources. The circuit board has a first region and a second region connected with the first region. The multiple light sources are fixed on the first region. The adhesive layer is fixed on the second region. The light-guide plate is at least partially fixed on the second region via the adhesive layer. The light bar and the light-guide plate are both mounted on the first side of the backplane. The reflective sheet is between the backplane and the light-guide plate.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: June 4, 2024
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Danwang Song, Baohong Kang
  • 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: 20240169916
    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: Application
    Filed: June 12, 2023
    Publication date: May 23, 2024
    Inventors: Tao FAN, Zhenghui YUAN, Yun Wang, Guanqun Li, Baohong Kang
  • 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
  • Patent number: 11988923
    Abstract: A display panel and a display device are disclosed. The display panel includes a first substrate, a second substrate, and a liquid crystal layer disposed therebetween. The first substrate includes a first base and a planarization layer disposed on a side of the first substrate adjacent to the liquid crystal layer. A side of the planarization layer adjacent to the liquid crystal layer includes a textured structure, which includes at least one groove path. The first substrate further includes a bottom edge. An extending direction of the at least one groove path forms an included angle with the bottom edge, the included angle being greater than or equal to 45 degrees and less than or equal to 135 degrees. A liquid crystal material in the liquid crystal layer diffuses along the extending direction of the groove path through the groove path based on capillary phenomenon.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: May 21, 2024
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD, HKC CORPORATION LIMITED
    Inventors: Liu He, Keming Yang, Rong Tang, Yizhen Xu, Feng Jiang, 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: 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