Patents Assigned to Chongqing HKC Optoelectronics Technology Co., Ltd.
  • Patent number: 11151954
    Abstract: An array substrate, a display panel, and a display device are provided. A Thin Film Transistor (TFT) device of a Gate Driver on Array (GOA) circuit includes a first-type TFT, a second-type TFT, a third-type TFT, and a fourth-type TFT that are disposed at intervals.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: October 19, 2021
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventor: Junhong Cao
  • Patent number: 11152451
    Abstract: A display panel and a display device are provided. The display panel includes a substrate, a plurality of signal lines, a plurality of fan-out lines, and a resistance balance member. The substrate defines a display area and a fan-out area. The signal lines are defined in the display area, and the fan-out lines are defined in the fan-out area and are electrically communicated with the signal lines. The fan-out area defines a central winding line region and a peripheral straight line region. The resistance balance member is connected to one fan-out line of the peripheral straight line region in series.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: October 19, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 11152403
    Abstract: This application provides a method for manufacturing an array substrate, an array substrate, and a display panel. A gate metal layer, a gate insulating layer, and a semiconductor active layer are formed by using one photomask process, a first passivation layer is formed in one photomask process, and a source metal layer, a drain metal layer, and a pixel electrode layer are formed on the first passivation layer.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: October 19, 2021
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Fengyun Yang, En-Tsung Cho
  • Patent number: 11151912
    Abstract: A control method includes: obtaining a first drive signal output by a level-shift circuit to a first shift register; obtaining a second drive signal output by the level-shift circuit to a second shift register; and controlling a working state of the level-shift circuit according to the obtain drive signals.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: October 19, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Bin Qiu
  • Patent number: 11143916
    Abstract: The present disclosure illustrates a display device comprising: a backlight module comprising a backlight source; a display panel disposed opposite to the backlight source, and comprising an effective display area, a fan-out area and a common electrode routing area located between the effective display area and the fan-out area; and a light leakage prevention component configured to block the fan-out area to prevent light generated by the backlight source from leaking from the display panel.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: October 12, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zeyao Li
  • Patent number: 11145231
    Abstract: A test circuit and a display device are provided. The test circuit includes N first test pads, N second test pads, a first test circuit, a switching circuit, and a control circuit. The first test circuit is configured to output a plurality of test signals to the test pads. The control circuit outputs a control signal to the switching circuit to control the N first switching circuits to be individually turned on simultaneously, or control the N second switching circuits to be individually turned on simultaneously, thereby a one-side test of the display panel is achieved. Working states of the N first data lines or the N second data lines are determined according to a brightness of the display panel.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: October 12, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Peixin Lin
  • Publication number: 20210312880
    Abstract: A driving apparatus, a display apparatus, and a driving method are provided. The driving apparatus includes: a first switch tube, a second switch tube, a third switch tube, and a data output assembly. A first shared voltage or a second shared voltage are controlled by on states and off states of the first switch tube, the second switch tube, and the third switch tube to be output to a pixel electrode.
    Type: Application
    Filed: December 24, 2018
    Publication date: October 7, 2021
    Applicants: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO.,LTD.
    Inventor: Xiaoyu HUANG
  • Patent number: 11137676
    Abstract: The present application discloses a photomask and an exposure system, the photomask comprising a completely transparent region and a completely shading region disposed around the periphery of the completely transparent region, and a shading region is disposed in the completely transparent region, and a light transmittance of the shading region is defined as T, 0?T<100%.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 5, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Zeyao Li
  • Patent number: 11137643
    Abstract: The present disclosure provides a backlight module and a display panel. The backlight module includes a back plate and an optical component fixed on the back plate. A fool-proof structure is disposed on the optical component. The fool-proof structure includes a bulge. The bulge is disposed on a surface of the optical component. The surface of the optical component is matched and fixed with the back plate. A Positioning structure matched and fixed with the fool-proof structure is disposed on the back plate.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: October 5, 2021
    Assignees: CHONGQING ADVANCE DISPLAY TECHNOLOGY RESEARCH, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xiaogang Hu
  • Patent number: 11137674
    Abstract: The present application discloses a mask adapted to a manufacturing process of a display panel. The light filtering layer includes at least three light filtering portions for light rays with different wavelengths to pass through, the at least three light filtering portions have a one-to-one correspondence to color filter in the display panel, and each of the light filtering portions is only adapted to the light rays with the wavelength having the same color as one of the color filters to pass through. The first light shading layer includes a plurality of light shading blocks spacedly arranged, and one light shading block is arranged at both ends of each of the light filtering portions respectively. The carrier is configured in a light-transmission way, and the light filtering layer and the first light shading layer are disposed on the carrier.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: October 5, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chung-Kuang Chien
  • Patent number: 11132965
    Abstract: This application relates to a driving method for a display device. The method includes decomposing an original gray-scale data group of a pixel unit into three gray-scale data groups, and then, when the decomposed gray-scale data groups are displayed, closing a backlight unit with a color corresponding to 0 gray-scale data that are in the same color and in the vast majority.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: September 28, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chih Tsung Kang
  • Patent number: 11130632
    Abstract: This application discloses a stocker and a stocking system. The stocker includes: a storage cabinet; a shelf, arranged inside the storage cabinet, where at least one charging module is arranged on the shelf; a first cassette, arranged on the shelf and capable of moving relative to the shelf; a monitoring apparatus, arranged inside the first cassette and configured to monitor cleanliness of air in the storage cabinet; and a battery apparatus, arranged inside the first cassette and configured to supply power to the monitoring apparatus, where the battery apparatus includes a battery and a charging receiver module connected to the battery, where when an electricity quantity of the battery is lower than a preset electricity quantity, the first cassette moves to a location corresponding to the charging module, so that the charging receiver module cooperates with the charging module to wirelessly charge the battery.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: September 28, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Tiaohong Wang
  • Patent number: 11132966
    Abstract: A display device is disclosed. Plural subpixels are connected to the corresponding gate lines. Each data line is connected to two adjacent subpixels of same pixel. In the first pixel set, the first and the third gate lines are connected to subpixels in same column and the second and the fourth gate lines are connected to subpixels in same column. In the second pixel set, the first and the fourth gate lines are connected to subpixels in same column and the second and the third gate lines are connected to subpixels in same column. In one frame time, the data signal drives same pixel through the nth and (n+1)th data lines using opposite polarities and the data signal drives two adjacent subpixels of same pixel set in column direction through the nth and (n+1)th data lines using the same polarities.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: September 28, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yan-Na Yang
  • Patent number: 11131892
    Abstract: A display device is provided. The display device comprises a display panel, a control circuit board, a driving circuit board and one or multiple electrostatic discharge structures. The display panel has a first ground terminal. The control circuit board has a second ground terminal. The driving circuit board coupled to the display panel and the control circuit board, and the driving circuit board is a COF flexible printed circuit board, and the control circuit board drives the display panel through the driving circuit board. The one or multiple electrostatic discharge structures is coupled to the display panel and the control circuit board, and is electrically connected to the first ground terminal and the second ground terminal. In a projection direction of the driving circuit board, the driving circuit board and the one or multiple electrostatic discharge structures are at least partially overlapped.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: September 28, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Bin Qiu
  • Patent number: 11126045
    Abstract: A curved display panel and a display device. The curved display panel (400) includes a substrate; the substrate includes a pixel region, an integrated circuit region, and a fan-out region located between the pixel region and the integrated circuit region. The pixel region includes signal lines. The integrated circuit region includes an integrated circuit driver. A driving chip is provided in the integrated circuit driver. The fan-out region includes a fan-out line. The wiring parameters of the fan-out line and the signal line change along with the change of a target curvature of the substrate where the fan-out line and the signal line are located.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: September 21, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Yu-Jen Chen
  • Patent number: 11127911
    Abstract: The present application discloses a display panel and method of manufacturing thereof. The display panel of the present application includes a substrate, an active switch, a color photoresist layer, a first electrode layer, a light emitting diode, a second electrode layer, an encapsulation layer and a driver circuit. The light emitting diode includes a red light emitting layer, a green light emitting layer and a blue light emitting layer which includes a silicon-germanium quantum dot material.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: September 21, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: En-Tsung Cho, Hejing Zhang
  • Patent number: 11124366
    Abstract: The present disclosure illustrates an inspection apparatus for a display panel and a testing method for display panel. The inspection apparatus includes a platform, a feeding device, a rotatable bearing stage, an optical panel inspection device, a discharging device, a rotation driving device and a transfer device. The platform includes a support frame having a loading-and-unloading area and an inspection area. The feeding device transports the display panel along a feeding direction. The rotation driving device includes a rotation axis and a rotation driving mechanism. The rotation axis has an end fixed at a central part of a bottom surface of the rotatable bearing stage, and the rotation driving mechanism can rotate the rotation axis. The display panel placed on the rotatable bearing stage can be exchanged between the loading-and-unloading area and the inspection area when the rotatable bearing stage is rotated.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 21, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Chia-Jen Tsai
  • Patent number: 11119350
    Abstract: The present application discloses a display panel and a display apparatus. The display panel includes: a first substrate; a second substrate; and a plurality of spacers, supporting the first substrate and the second substrate, and disposed between the first substrate and the second substrate, where the spacers are disposed at an interval, and the spacers includes a first spacer and a second spacer, a height gap is formed between the first spacer and the second spacer.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: September 14, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 11120753
    Abstract: A liquid crystal display and a method for driving same, capable of eliminating large viewing angle color shift of a liquid crystal display having VA liquid crystals. The liquid crystal display includes a liquid crystal panel and a driving module. The liquid crystal panel includes a plurality of liquid crystal pixels (Pab, wherein 1?a?A, 1?b?B, and both a and b are integers) arranged in an array. The liquid crystal display is configured to display a same picture in two adjacent frames. The driving module is used for respectively providing different pixel voltages of the same polarity to each liquid crystal pixel (Pab) in the two adjacent frames to deflect liquid crystal molecules of the liquid crystal pixel (Pab).
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: September 14, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 11120754
    Abstract: The present application is a display panel driving method, a driving device and a display device. The method comprises: forming 2n rows of sub-pixels in a display panel into a sub-pixel group, and dividing the sub-pixel group into a first sub-pixel group and a second sub-pixel group using a grouping method. The display panel comprises pixel units arranged in an array; each pixel unit comprises sub-pixels of at least three colors, and the sub-pixels of each color comprises sub-pixels of a first type and sub-pixels of a second type; and the sub-pixels of the first type and the sub-pixels of the second type are arranged at intervals along the row direction and the column direction of the pixel unit arrangement, and the data signal levels of the two provided by a driving module thereof are different.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: September 14, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology, Co., Ltd.
    Inventor: Yu-Jen Chen