Patents Assigned to Chongqing HKC Optoelectronics Technology Co., Ltd.
  • Array substrate and display panel
    Patent number: 11205727
    Abstract: The present application discloses an array substrate and a display panel. The array substrate includes an underlying substrate and a first color resist layer. The first color resist layer is formed on the underlying substrate to block a channel region. The first color resist layer has at least two color resist layers, and the two color resist layers correspond to different colors and are disposed in a stack-up manner.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: December 21, 2021
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Zhenli Song
  • Display device and driving method therefor
    Patent number: 11205393
    Abstract: A display device, wherein a drive circuit thereof is used to display each frame of image by means of two sub-frames; and determining, according to an average drive voltage of sub-pixels of all colors, the magnitudes of backlight compensation signals respectively corresponding to the two sub-frames so as to adjust the light emission brightness of a light source.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: December 21, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chih Tsung Kang
  • Drive circuit and display panel
    Patent number: 11205366
    Abstract: This application discloses a drive circuit and a display panel. The drive circuit includes a plurality of pixels, where the pixel includes a first subpixel and a second subpixel; and a switching circuit, where the first subpixel and the second subpixel are respectively connected to ground through the switching circuit.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: December 21, 2021
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Xiaoyu Huang
  • Driving method of display panel, driving device and display device
    Patent number: 11200863
    Abstract: A driving method of a display panel includes the steps of: using a timing controller chip to receive a first data signal of a control board; using the timing controller chip to convert the first data signal into a second data signal; using the timing controller chip to generate a variable-frequency first clock signal, and to transmit the second data signal and the first clock signal to a source driving chip; and using the timing controller chip to obtain the first clock signal and generate a second clock signal by frequency multiplication, the second clock signal being a preset multiple of that of the first clock signal; wherein the second clock signal serves as an internal clock signal of a power supply chip circuit, and the second clock signal is inputted to the power supply chip circuit.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: December 14, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Mingliang Wang
  • Display panel and method of manufacturing the same
    Patent number: 11201305
    Abstract: A display panel comprises a substrate, active switches and light-emitting diodes formed on the substrate. The active switches are disposed between the substrate and the light-emitting diodes. Each light-emitting diode comprises a first electrode, a second electrode, and a quantum dot luminescent layer. The quantum dot luminescent layer comprises a mesoporous frame. The mesoporous frame adopts a self-assembling form, the mesoporous frame serves as a main material, and quantum dots are disposed in the mesoporous frame. The first electrode, the quantum dot luminescent layer and the second electrode are stacked in order. Since the quantum dots are disposed in the mesoporous frame, the sizes of the quantum dots and the uniformity of their arrangement are adjusted and controlled, the light-emitting diodes with different luminous colors depending on the sizes of the quantum dots are then adjusted.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: December 14, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: En-Tsung Cho
  • Exposure method and exposure device thereof
    Patent number: 11187996
    Abstract: The present application discloses an exposure method and an exposure device thereof. The method includes the following steps: confirming a position of a point to be exposed; capturing and confirming that the point to be exposed is successfully captured; adjusting a light source corresponding to the successfully captured point to be exposed to an adaptive position; and completing an exposure operation by an exposure machine.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: November 30, 2021
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Wei Ni
  • Test circuit and test method for display panels
    Patent number: 11183090
    Abstract: A test circuit and a test method for display panels are provided. The test circuit comprises: switch units; first test leads; first test pads; and a second test pad, a second test lead, a third test pad and a switch control line. Numbers of the switch units, the first test leads and the first test pads are the same; each of the first test leads is electrically connected to a corresponding one of the display panels; each of the first test pads is electrically connected to an output terminal of the corresponding switch unit, and each of the first test pads is electrically connected to the corresponding first test lead; the second test pad and the second test lead are electrically connected to input terminals of the switch units; and the third test pad and the switch control line are electrically connected to control terminals of the switch units.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: November 23, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Manufacturing method of circuit board and display device
    Patent number: 11178775
    Abstract: A manufacturing method of a circuit board and a display device are provided. In the method, an error caused by that pin alignment on a conventional flexible substrate after a pin column is disposed on the flexible substrate based on a second pin position and a hot pressing process is performed is adjusted, so that the pin alignment is more accurate after the flexible substrate on which a pin is disposed based on a position of the to-be-disposed pin column is finally hot pressed with the display panel, thereby avoiding a problem that the pin is misplaced or short-circuited, and improving a good rate of the product.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: November 16, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Shuozhen Liang
  • Display panel testing apparatus and testing method
    Patent number: 11176857
    Abstract: This application discloses a display panel testing apparatus and testing method. When a data control circuit receives a first enable signal generated by a switching signal generation circuit, the data control circuit controls a data interface that is output by the data control circuit to be in a high-impedance state.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: November 16, 2021
    Assignees: CHONGQING ADVANCE DISPLAY TECHNOLOGY RESEARCH, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Wenqin Zhao
  • Array substrate and display panel
    Patent number: 11175547
    Abstract: Disclosed are an array substrate and a display panel formed by cutting the array substrate, the array substrate includes a substrate body, a first test line, a second test line, and a cutting line; the substrate body includes a plurality of display units and a cutting area located between the plurality of display units; the first test line and the second test line are disposed in the cutting area; the first test line is disposed across the second test line and insulated from each other; the first test line and/or the second test line includes a bending segment disposed across the cutting line.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: November 16, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Zeyao Li
  • Display panel and display device
    Patent number: 11169410
    Abstract: A display panel and a display device are provided. The display panel includes a substrate. The substrate includes a display area in the middle of the substrate and a wiring area around the display area. A refractive device is disposed on the front side of the substrate to refract light from the display area and the wiring area and so partially or totally prevent the wiring area from being seen.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: November 9, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Wei Chen
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20210335916
    Abstract: The present application discloses a display panel and a display device. The display panel includes a substrate; an active switch, which is arrange on the substrate and includes a first active switch and a second active switch; a pixel, which is arrange on the substrate and coupled to the first active switch and includes a quantum dot light-emitting diode; and a light sensor, which is arrange on the substrate and coupled to the second active switch and includes a quantum dot light sensing layer.
    Type: Application
    Filed: June 25, 2018
    Publication date: October 28, 2021
    Applicant: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: EN-TSUNG CHO
  • Display panel and method of repairing the same
    Patent number: 11156885
    Abstract: A display panel comprises a first substrate, a second substrate, and an active switch matrix. The first substrate comprises color resistor units, and the second substrate is disposed opposite to the first substrate. The active switch matrix is disposed on the first substrate or the second substrate. The active switch matrix comprises scan lines and data lines. A first repair line is disposed on one side of at least one of the scan lines, and a second repair line is disposed on one side of at least one of the data lines.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: October 26, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chung-Kuang Chien
  • Display panel and display apparatus
    Patent number: 11156887
    Abstract: This application discloses a display panel and a display apparatus. The display panel includes a display area, a seal, a first metal wire, a signal line, a channel and a retaining wall. The seal is correspondingly arranged in a nondisplay area of the display panel. The first metal wire is correspondingly arranged between the display area and the seal. The signal line bridges over the first metal wire and is fed into the display area. The channel is located at a bridging connection position of the first metal wire and the signal line. The retaining wall is arranged at a position corresponding to the channel, beside the first metal wire.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: October 26, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yunqin Hu
  • Test circuit and test method for display panels
    Patent number: 11158222
    Abstract: A test circuit and a test method for display panels, the test circuit comprising: switch units, first test leads, first test pads, a second test pad and a second test lead; wherein numbers of the switch units, the first test leads and the first test pads are the same; each of the first test leads is configured to be electrically connected to a corresponding one of the display panels; each of the first test pads is electrically connected to an output terminal of the corresponding switch unit, and each of the first test pads is electrically connected to the corresponding first test lead; the second test pad and the second test lead are electrically connected to an input terminals of the switch units.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: October 26, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-jen Chen
  • Driving method for display panel, and device
    Patent number: 11158231
    Abstract: This application relates to a drive method of a display panel. The method includes dividing sub pixels of the same color on the display panel into a plurality of sub pixel groups, acquiring a difference curve that is of each color sub pixel and that is between a curve of brightness changing with a drive voltage at a front view angle and a curve of brightness changing with the drive voltage at a side view angle, and for each color sub pixel, respectively regulating gamma values of various sub pixel groups based on the difference curve.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: October 26, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chih Tsung Kang
  • MANUFACTURING METHOD FOR ARRAY SUBSTRATE AND ARRAY SUBSTRATE
    Publication number: 20210327913
    Abstract: The present disclosure discloses a manufacturing method for an array substrate and an array substrate. The method includes: forming a gate electrode, a gate insulating layer, a semiconductor layer, a source drain electrode layer and a photoresist layer on a substrate; patterning the photoresist layer to form a patterned photoresist layer; performing at least one wet etching on the source drain electrode layer and performing at least one dry etching on the semiconductor layer; performing an ashing processing between the steps of the wet etching and the dry etching. A ratio of a lateral etching rate to a longitudinal etching rate in the at least one ashing processing ranges from 1:0.9 to 1:1.5.
    Type: Application
    Filed: May 22, 2018
    Publication date: October 21, 2021
    Applicants: HKC Corporation Limited, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: En-tsung Cho, Yiqun Tian
  • COLOR FILM SUBSTRATE AND MANUFACTURING METHOD THEREOF
    Publication number: 20210325722
    Abstract: The color film substrate includes a base substrate and a plurality of pixel units. Each of the pixel units includes a first color resist, a second color resist, a third color resist, and a fourth color resist. The fourth color resist includes a first secondary color resist, a second secondary color resist, and a third secondary color resist. Areas of the first secondary color resist, the second secondary color resist, and the third secondary color resist are equal. The first secondary color resist and the first color resist are made of the same material, the second secondary color resist and the second color resist are made of the same material, and the third secondary color resist and the third color resist are made of the same material.
    Type: Application
    Filed: July 19, 2018
    Publication date: October 21, 2021
    Applicants: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yunqin Hu
  • Optical composite film, display panel and display device
    Patent number: 11150507
    Abstract: An optical composite film includes a reflection grating film layer, an optically-uniaxial optical film layer, and a substrate layer. The optically-uniaxial optical film layer includes a plate-shaped portion and a plurality of refraction portions, where the plate-shaped portion is disposed on the reflection grating film layer, the plurality of refraction portions is disposed on a side of the plate-shaped portion away from the reflection grating film layer, the plurality of refraction portions is selected from one type of camber columns and quadrangular prisms, and an extraordinary light refractive index of the optically-uniaxial optical film layer is less than an ordinary light refractive index of the optically-uniaxial optical film layer; and the substrate layer is stacked on a side of the plate-shaped portion close to the refraction portion.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 19, 2021
    Assignees: HKC Corporation Limited, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chih Tsung Kang
  • Display panel and display device
    Patent number: 11150528
    Abstract: The present application discloses a display panel and a display device. The display panel includes: a first substrate, a second substrate, and an AU ball. The AU ball conducts the first substrate and the second substrate, and a position where the AU ball is disposed is a transfer pad. The first substrate includes: a base, a first metal layer, and a transparent electrode layer, and the first metal is hollowed out corresponding to the transfer pad to form a first metal recess area. The transparent electrode layer communicates with a common line of the first substrate. The AU ball is disposed at a position of the first metal recess area to communicate the transparent electrode layer of the first substrate communicates with a common electrode of the second substrate.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 19, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chuan Wu