Patents Assigned to Chongqing HKC Optoelectronics Technology Co., Ltd.
  • Patent number: 11287684
    Abstract: A display panel includes a first substrate, a second substrate, active switches, pixel electrodes, a color filter layer, a light-obstructing layer, a control chip and at least one photosensor. The second substrate is disposed opposite to the first substrate. The active switches are disposed on the second substrate, and each of them comprises an electro-conductive channel. The pixel electrodes are disposed on the second substrate and coupled to the active switches. The color filter layer is disposed on the second substrate and corresponded to the pixel electrodes. The light-obstructing layer is disposed on the first substrate and disposed in correspondence with the electro-conductive channel. The light-obstructing layer covers the electro-conductive channel and is made of an electro-conductive material. The control chip is coupled to the light-obstructing layer. The photosensor is disposed between the first substrate and the light-obstructing layer.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: March 29, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: En-Tsung Cho
  • Publication number: 20220093052
    Abstract: The present application refers to a control method and control device of a drive circuit, and a drive circuit. The control method of the drive circuit includes: acquiring a bus address in a bus signal. The bus signal is a signal transmitted over an I2C bus, and the I2C bus is connected to a timing controller. The control method further includes: if the timing controller determining that the bus address matches an address of the timing controller, transmitting a frequency adjustment signal to a controllable power supply with an adjustable operating frequency and connected to the timing controller. The frequency adjustment signal is configured to indicate that an operating frequency of the controllable power supply is adjusted from a first operating frequency to a second operating frequency. The second operating frequency is higher than the first operating frequency.
    Type: Application
    Filed: June 10, 2020
    Publication date: March 24, 2022
    Applicants: Beihai HKC Optoelectronics Technology Co., Ltd., CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Mingliang WANG
  • Publication number: 20220093021
    Abstract: A driving circuit includes a gamma chip configured to provide a plurality of initial binding point voltages; the gamma chip including a first type of output terminals and a second type of output terminals, currents corresponding to the initial binding point voltages outputted by the first type of output terminals being less than a preset driving current; and currents corresponding to the initial binding point voltages outputted by the second type of output terminals being greater than the preset driving current; and a data driving chip including a processor and a plurality of operational amplifiers.
    Type: Application
    Filed: May 6, 2020
    Publication date: March 24, 2022
    Applicants: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC Corporation Limited
    Inventor: Li TANG
  • Patent number: 11280943
    Abstract: The present utility model discloses a color film substrate and a display panel. A first color resist, a second color resist, and a third color resist are respectively coated to a first attachment region, a second attachment region, a the third attachment region; the second color resist is further coated on the first color resist located on the first attachment region; the spacer layer includes a first spacer and a second spacer, the first spacer is coated on the color resist layer of the first attachment region, and the second spacer is partially coated on the color resist layer of the second attachment region or the third attachment region, the first spacer having the same thickness as the second spacer; the height of the upper surface of the first spacer from a substrate is higher than the height of the upper surface of the second spacer from the substrate.
    Type: Grant
    Filed: February 17, 2019
    Date of Patent: March 22, 2022
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Chuan Wu
  • Patent number: 11283587
    Abstract: The application provides a data extraction method for transmission signal, the data extraction method for transmission signal includes: upon receiving a transmission signal, parsing a first clock signal corresponding to the transmission signal to obtain a signal frequency; generating a second clock signal of same frequency according to the signal frequency; and extracting a data of the transmission signal according to the second clock signal. The present application aims to solve the problem of inaccurate data extraction of the transmission signal and improve the accuracy of data extraction of the transmission signal. The present application also provides a data extraction device for transmission signal and a computer readable storage medium.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: March 22, 2022
    Assignees: HKC Corporation, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Mingliang Wang
  • Patent number: 11282473
    Abstract: Disclosed are a method and an apparatus for identifying a rising/falling edge and a display panel. The method for identifying a rising/falling edge includes the following steps: acquiring a real-time voltage increment of the current signal; determining whether or not a variation mode of the voltage increment is linear variation; and determining that a rising/falling edge of the current signal reaches at current moment.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: March 22, 2022
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Mingliang Wang
  • Patent number: 11275108
    Abstract: A display device and a testing method for a display panel are provided. The testing method for the display panel includes the steps of: storing an image signal for controlling the display panel to display a default image in a driver chip of the display panel, providing a power signal and a clock signal to the display panel, and retrieving the image signal and testing the display panel according to a preset test condition.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: March 15, 2022
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Wei Chen
  • Patent number: 11275267
    Abstract: An optical composite film comprises a reflective grating film layer, a first uniaxial optical film layer, and a second uniaxial optical film layer. The first uniaxial optical film layer comprises a plate portion and a plurality of refraction portions. The plate portion is disposed on the reflective grating film layer. The plurality of refraction portions are disposed on a side of the plate portion away from the reflective grating film layer, and are either curved columns or quadrangular prisms. The second uniaxial optical film layer is laminated on a side of the plate portion adjacent to the refraction portions. The plurality of refraction portions are accommodated in the second uniaxial optical film layer. The second uniaxial optical film layer has an ordinary refractive index less than an extraordinary refractive index of the first uniaxial optical film layer.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: March 15, 2022
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Chih Tsung Kang
  • Patent number: 11275280
    Abstract: The present disclosure provides a display panel and a display device. The display panel comprises an array substrate. The array substrate comprises a display area and a non-display area surrounding the display area. The display area comprises a plurality of active switches and a plurality of pixel units. The non-display area comprises a flexible circuit board and a fixing member. A first end of the flexible circuit board is disposed in the non-display area of the array substrate for driving the pixel units to display. The fixing member disposed on the flexible circuit board. The fixing member bends a second end of the flexible circuit board in a direction toward the display area of the array substrate, so that a projection of the flexible circuit board on the array substrate is located in the non-display area.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: March 15, 2022
    Assignee: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Hsu-Kang Lo
  • Patent number: 11263946
    Abstract: Disclosed are a reference voltage generating circuit and a display device. The reference voltage generating circuit includes a timing control circuit, a digital-to-analog conversion circuit, an operational amplifier circuit, a drive circuit, a switch control circuit, a first switch circuit, and a second switch circuit. The switch control circuit generates a control signal according to a frame start signal and a clock signal provided by the timing control circuit, and outputs the control signal to the first switch circuit and the second switch circuit to control the channels inside the first switch circuit and the second switch circuit to be turned on sequentially, such that an analog voltage signal output by the digital-to-analog conversion circuit can be output to the drive circuit through the first switch circuit, the operational amplifier circuit and the second switch circuit, to provide a reference voltage signal for the drive circuit.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: March 1, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Gege Peng, Xiaoyu Huang
  • Patent number: 11257873
    Abstract: The present application provides a display panel and a display device. The display panel includes a substrate; an active switch, which is disposed on the substrate and includes a first active switch, a second active switch, and an indium gallium zinc oxide layer; a pixel, which is disposed on the substrate and coupled to the first active switch and includes a quantum dot light-emitting diode; and a light sensor, which is disposed on the substrate and coupled to the second active switch and includes a quantum dot light sensing layer; where the active switch includes a gate layer, a gate insulating layer, the indium gallium zinc oxide layer, an etch stop layer, a metal layer, and a pixel electrode layer which are sequentially arranged on the substrate.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: February 22, 2022
    Assignees: HKC CORPORATION LIMTTED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: En-Tsung Cho
  • Patent number: 11249359
    Abstract: This application discloses a display panel and a display apparatus. The display panel includes a signal line, a drain electrode layer, and a parallel line. The signal line overlaps the drain electrode layer, the parallel line is connected in parallel to the signal line, and two ends of the parallel line are connected to signal lines of two ends of the overlapping area.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: February 15, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zhenli Song
  • Patent number: 11249360
    Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes a plurality of pixel units arranged in a matrix form. When one row of pixel units is charged through a second scanning line, a next row of pixel units is pre-charged through a first scanning line, so as to improve the charging efficiency of the pixel units.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: February 15, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Wenxin Li
  • Patent number: 11250778
    Abstract: The present application relates to a driving selection circuit for a display panel. The driving selection circuit comprises a first multiplexer circuit provided between a display area and a first data driving circuit, and a second multiplexer circuit provided between the display area and a second data driving circuit. Further provided are a display panel and a display apparatus.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: February 15, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Pei Hsin Lin
  • Patent number: 11249364
    Abstract: The present application discloses a display panel and a method for manufacturing a first substrate thereof. The display panel includes a first substrate which is provided with a thin film transistor. The thin film transistor includes a gate, a source and a drain. Light shielding layers are disposed on the outer side of the source and the outer side of the drain.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: February 15, 2022
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kaijun Liu, En-Tsung Cho
  • Patent number: 11250793
    Abstract: The present application discloses a driving method and a driver chip for a display panel, and a display device, where the driving method includes steps of: acquiring a refresh rate of a first data information; performing local dimming on the first data information to generate a first backlight driving information and a first data driving information; and adjusting the first backlight driving information and the first data driving information according to the refresh rate to generate a second backlight driving information and a second data driving information, respectively.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: February 15, 2022
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Wei Chen, Wei Li
  • Patent number: 11249368
    Abstract: This application provides a display panel and a display device. The display panel includes a first substrate, a second substrate, and a duty cycle circuit. The first substrate includes a reflective polarizer, and there is only one reflective polarizer in the display panel.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: February 15, 2022
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Kaijun Liu
  • Patent number: 11250743
    Abstract: This application discloses a display, a display apparatus, and a ground resistor adjustment method. The display includes: a drive circuit of a display panel, an integrated end circuit, and an adjustable resistance circuit, where the adjustable resistance circuit controls and adjusts a resistance value between the drive circuit of the display panel and the integrated end circuit.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: February 15, 2022
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Xiaoyu Huang
  • Patent number: 11238814
    Abstract: The present disclosure illustrates a method of driving a display device, including steps of dividing an original display image into first and second display image; acquiring first, second and third mean values of the original display image; setting the mean values of the first components, the second components, and the third components of the first display image to be equal to the second mean value, and setting the mean values of the first components and the third components of the second display image to be equal to a third mean value; regulating brightness value of a backlight circuit; acquiring drive components corresponding to the pixels of the second display image; and driving the pixel units of the display device for display, according to the drive components corresponding to the pixels of the first display image and the drive components of the pixels of the second display image.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: February 1, 2022
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Beizhou Huang
  • Patent number: 11238804
    Abstract: A driving method and a driving device (100) for a display device (200). The display device (200) comprises a pixel array consisting of several rows of sub-pixels, and each row of sub-pixels is correspondingly connected to a scan line. The driving method comprises: partitioning each row of sub-pixels into different areas, and taking the areas of the each row of sub-pixels as the charging start point positions of the scan line corresponding to the each row of sub-pixels (S101); and inputting scanning voltage signals to the different areas of a row of sub-pixels corresponding to each scan line through the charging start point positions of the each scan line to perform partition scanning for the each row of sub-pixels (S102).
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: February 1, 2022
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Mancheng Zhou