Patents Assigned to CENTURY TECHNOLOGY (SHENZHEN) CORPORATION LIMITED
  • Patent number: 11887997
    Abstract: A substrate and a display panel using the substrate are disclosed. The substrate includes a base layer; a magnetic material layer on a side of the base layer; and a thin film transistor (TFT) array layer on a side of the magnetic material layer away from the base layer.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: January 30, 2024
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin
  • Patent number: 11881499
    Abstract: A micro-LED display panel includes a substrate, an insulating layer on the substrate, and a plurality of micro-LEDs on the substrate and embedded in the insulating layer. The micro-LEDs define a display area. Each micro-LED includes a bottom surface coupled to a lower electrode and a top surface exposed from the insulating layer and coupled to the upper electrode. Conductive blocks are set outside the display area, the conductive blocks are electrically coupled to a driving circuit on the substrate. Top wires are set on a surface of the insulating layer away from the substrate and each top wire is electrically coupled to at least one upper electrode and at least one conductive block.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: January 23, 2024
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventor: Chiao-Yu Yang
  • Publication number: 20240006571
    Abstract: A display panel includes a substrate, a plurality of LEDs, a planarization layer, and a patterned first conductive layer. The plurality of LEDs are on the substrate, each of the plurality of LEDs includes a first electrode facing a front side of the display panel. The planarization layer covers the plurality of LEDs. The first conductive layer is on the planarization layer. The planarization layer defines a plurality of holes, the electrode is exposed by a corresponding hole of the plurality of holes, and the first conductive layer electrical connects to the first electrode through the corresponding hole. The first conductive layer further comprises a trace portion and a plurality of reinforcing portions, each of the plurality of reinforcing portions is aligned with the corresponding hole and is attached to the trace portion. Methods of fabricating the display panel are further disclosed.
    Type: Application
    Filed: June 19, 2023
    Publication date: January 4, 2024
    Applicant: Century Technology (Shenzhen) Corporation Limited
    Inventors: CHAN-KUAN HUANG, CHAO WU, DENG-KAI CHANG
  • Patent number: 11815767
    Abstract: A display panel includes a color filter (CF) substrate including first support structures, a thin film transistor (TFT) substrate including second support structures, and a liquid crystal layer. Each of the first support structures resists against the TFT substrate, and each of the second support structures resists against the CF substrate to form a receiving space between the CF substrate and the TFT substrate, the receiving space contains the liquid crystal layer. The TFT substrate applies driving signals to the liquid crystal layer to modulate backlight received by the liquid crystal layer from a backlight source. The CF substrate allows light to be emitted as images by filtering the modulated backlight.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: November 14, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Chen-Fu Mai, Meng-Chieh Tai, Yu Zhang, Min Hu, Lan-Qing Xiao
  • Patent number: 11815758
    Abstract: A liquid crystal display panel which is viewable from a greater range of oblique viewing angles without apparent loss of contrast or color intensity includes a thin film transistor substrate, a color filter substrate, a liquid crystal layer between the color filter substrate and the thin film transistor substrate. The color filter substrate includes a glass substrate, a black matrix, and a color filter layer on the glass substrate. A surface of the glass substrate defines a plurality of grooves having different depths. Both the black matrix and the color filter layer are in the grooves. A thickness of the liquid crystal layer changes with depths of the plurality of grooves. A display device and a method for making the liquid crystal display panel are also provided.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: November 14, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Chen-Fu Mai, Yu Zhang, Lan-Qing Xiao, Min Hu, Meng-Chieh Tai
  • Patent number: 11754884
    Abstract: A method for fast and convenient manufacture of liquid crystal display panels of different and uncommon sizes without retooling provides a first liquid crystal display panel having a first display area of a large first size. The color filter substrate is cut to make the first liquid crystal display panel into a vacuum-broken state. A sealant is coated onto the array substrate, wherein the sealant seals the liquid crystal layer and extends to a side of the color filter substrate away from the array substrate to cover part of the first display area, thereby obtaining a second liquid crystal display panel with a second display area of a second size.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: September 12, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Hui Wang, Zheng-Xia He, Yuan Xiong, Ning Fang, Chih-Chung Liu, Meng-Chieh Tai
  • Patent number: 11735581
    Abstract: An electrostatic protection structure able to discharge static electricity of either polarity from a functional circuit including signal lines includes a discharge electrode and a plurality of electrostatic protection units electrically coupled to the discharge electrode. Each electrostatic protection unit includes a first TFT and a second TFT. The first TFT includes first gate, source, and drain, the second TFT includes second gate, source, and drain. The first gate and the first drain are electrically connected to one signal line. The first source is electrically connected to the second drain, the first drain is electrically connected to the second source, the second gate is electrically connected to the discharge electrode, and the second gate is electrically connected to the second drain.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: August 22, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Sheng Xiao, Qi Xu, Tao Wang, Ya-Ke Zhang, Chih-Chung Liu, Meng-Chieh Tai
  • Patent number: 11676840
    Abstract: A transferring method includes providing an adsorption device, using the adsorption device to attract and hold a plurality of light emitting diodes (LEDs), providing a target substrate with a plurality of spots of anisotropic conductive adhesive on a surface of the target substrate; moving the adsorption device or the target substrate wherein each of the plurality of LEDs adsorbed by the adsorption device becomes in contact with one of the plurality of spots of anisotropic conductive adhesive; and curing the plurality of spots of anisotropic conductive adhesive on the target substrate and moving away the adsorption device.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: June 13, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin, Hirohisa Tanaka, Yasunori Shimada
  • Patent number: 11676839
    Abstract: A method for making an adsorption device includes: providing and etching a substrate to form a plurality of receiving grooves spaced apart from each other; forming a magnetic film in each of the plurality of receiving grooves; and forming a magnet in each of the plurality of receiving grooves. Each receiving groove includes a bottom wall and a side wall coupling the bottom wall. The magnetic film covers the bottom wall and the side wall of each of receiving groove.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: June 13, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin, Hirohisa Tanaka, Yasunori Shimada
  • Patent number: 11621251
    Abstract: A device for collecting and transferring light emitting elements of microscale size includes a non-magnetic plate, a plurality of magnetic probes, and a magnetic plate. The non-magnetic plate defines through holes. Each of the probes is fixed in one through holes. The magnetic plate is on a surface of the non-magnetic plate and closes one opening of each of the through holes. The magnetic plate generates a magnetic field, so that each of the probes magnetically attracts one light emitting element. A method for making the transfer device and a method for transferring light emitting elements using the transfer device are also disclosed.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: April 4, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin, Jung-Hua Lee, Huihsien Tien
  • Patent number: 11579504
    Abstract: A thin film transistor array substrate includes an insulating substrate, a plurality of data lines, a plurality of common electrodes, and a common electrode layer. The insulating substrate defines a plurality of sub-pixel area arranged into a sub-pixel array including a plurality of rows and a plurality of columns. The plurality of data lines extend in a direction of the columns in the sub-pixel array. The plurality of common electrodes extend in the direction of the columns in the sub-pixel array. At least two of the plurality of data lines are between adjacent common electrodes of the plurality of common electrodes, and the plurality of common electrodes are applied with a same voltage. The common electrode layer is on the insulating substrate and the common electrodes are connected to different locations of the common electrode layer.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: February 14, 2023
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Yuan Xiong, Chih-Chung Liu, Qi Xu, Hui Wang, Ning Fang
  • Patent number: 11521878
    Abstract: An adsorption device includes a substrate and a magnetic film on a surface of the substrate. The substrate has magnetic properties and is capable of generating magnetic field. The magnetic film partially covers the surface. The magnetic film generates a magnetic field having a direction that is opposite to a direction of the magnetic field generated by the substrate. Portions of the surface of the substrate not covered by the magnetic film form positions to attract and adsorb target objects, and other portion of the surface of the substrate covered by the magnetic film is not able to attract any target object.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: December 6, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin, Hirohisa Tanaka, Yasunori Shimada
  • Patent number: 11498779
    Abstract: A device to attract and hold microscopic items such as micro LEDs magnetically rather than by static electricity includes a substrate and a plurality of magnetic units on a surface of the substrate. The magnetic units are spaced apart from each other and are constrained in the size and direction of their individual magnetic fields. Each of the magnetic units includes a magnet and a cladding layer partially covering the magnet. The cladding layer is made of a magnetic material. A side of the magnet away from the substrate is exposed from the cladding layer to attract and hold one micro LED.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: November 15, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin, Hirohisa Tanaka, Yasunori Shimada
  • Patent number: 11435635
    Abstract: A thin film transistor substrate allowing an increase in proportionate size of the display area includes gate driving units, signal test pads, a first function line, and a first-stage gate output signal line in a surrounding non-display area, the display area having pixels. The gate driving units include a first-stage gate driving unit with an output terminal electrically connected to one row of pixels. The first function line has a first function but can also multiplex as a connecting line between the first-stage gate output signal line and one test pad. The first-stage gate output signal line is electrically insulated from the first function line during the first function of the first function line but is electrically connected to the first function line when multiplexed.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: September 6, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Qi Xu, Ya-Ke Zhang, Sheng Xiao, Tao Wang, Chih-Chung Liu, Meng-Chieh Tai
  • Patent number: 11393799
    Abstract: A device for collecting and transferring light emitting elements of microscale size includes a non-magnetic plate, a plurality of magnetic probes, and a magnetic plate. The non-magnetic plate defines through holes. Each of the probes is fixed in one through holes. The magnetic plate is on a surface of the non-magnetic plate and closes one opening of each of the through holes. The magnetic plate generates a magnetic field, so that each of the probes magnetically attracts one light emitting element. A method for making the transfer device and a method for transferring light emitting elements using the transfer device are also disclosed.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: July 19, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin, Jung-Hua Lee, Huihsien Tien
  • Patent number: 11322644
    Abstract: A method for transferring light emitting elements during manufacture of a display panel includes providing light emitting elements; providing a first electromagnetic plate defining adsorption positions; providing a receiving substrate defining receiving areas; energizing the first electromagnetic plate to magnetically adsorb one of the light emitting elements at each adsorption position; facing the first electromagnetic plate to the receiving substrate; and transferring the light emitting elements to one corresponding receiving area of the receiving substrate.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: May 3, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin
  • Patent number: 11314134
    Abstract: A thin film transistor substrate of reduced repaired line length and capacitance includes first repairing lines, data lines and second repairing lines insulated from each other. If one of the data lines is broken, the first repairing lines is electrically coupled to the input end of the broken data line, the second repairing line is electrically coupled to the output end of the broken data line, and the first repairing is electrically coupled to the second repairing line.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: April 26, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Ning Fang, Chih-Chung Liu, Meng-Chieh Tai
  • Patent number: 11295971
    Abstract: An adsorption device includes a magnetic plate and a limiting layer. A surface of the magnetic plate includes a first region and a plurality of second regions spaced apart from each other. The first region and each second region do not overlap with each other. The first region forms a magnetic pole of the magnetic plate, and each second region forms the opposite magnetic pole of the magnetic plate. The limiting layer covers the first region. Each second region is exposed to the limiting layer and configured for adsorbing a small-scale LED as a target object.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: April 5, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin, Hirohisa Tanaka, Yasunori Shimada
  • Patent number: 11262628
    Abstract: A liquid crystal display panel defines a display area and a non-display surrounding the display area. The panel includes a color filter substrate and a thin film transistor array substrate opposite to the color filter substrate. The color filter substrate includes a first substrate and a black matrix on the first substrate. The black matrix is in the display area and extending to the non-display area. A gap is defined in the black matrix and in the non-display area. The gap extends to be a circle around the display area and divides the black matrix into two independent parts. The color filter substrate includes a second substrate and a metal ring on a side of the second substrate facing the thin film transistor array substrate. The metal ring surrounds the display area and aligns with the gap.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: March 1, 2022
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Guo-Dong Xu, Hui Wang, Ning Fang, Chen-Fu Mai, Chih-Chung Liu, Meng-Chieh Tai
  • Patent number: 11139187
    Abstract: An adsorption device includes a substrate, a plurality of magnetic films, and a plurality of magnets. The substrate defines a plurality of receiving grooves spaced apart from each other. Each receiving groove defines a bottom wall and a side wall. Each magnetic film is in one receiving groove and covers the bottom wall and the side wall. The magnetic films are made of magnetic material. Each magnet is in one receiving groove. Each magnetic film is between the substrate and one magnet, a large number of magnetized LEDs of very small size are attracted on a one-to-one basis to the receiving grooves for transfer and placement of the LEDs onto a display panel which is in the course of being manufactured.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 5, 2021
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Po-Liang Chen, Yung-Fu Lin, Hirohisa Tanaka, Yasunori Shimada