Patents by Inventor Yu-Hung Lai

Yu-Hung Lai 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: 20240063330
    Abstract: A micro LED display device includes a display substrate. The display substrate has a first transfer area and a second transfer area adjacent to each other. Both the first transfer area and the second transfer area include a plurality of pixel areas. The pixel area of the first transfer area includes a first micro light-emitting element arranged in a straight line along a first direction. The pixel area of the second transfer area includes a second micro light-emitting element arranged in another straight line along the first direction. In the first direction, the first micro light-emitting element and the second micro light-emitting element are arranged in a staggered manner. A manufacturing method of a micro LED display device is also provided.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yu-Hung Lai, Yun-Li Li, Tzu-Yang Lin
  • Patent number: 11862614
    Abstract: A micro LED display device includes a substrate, micro LED units and a transparent insulation layer. The substrate includes conductive pads and conductive connecting portions. The conductive pads are disposed on the substrate. Each of the micro LED units includes a semiconductor epitaxial structure and electrodes. The electrodes are disposed on the semiconductor epitaxial structure, and each of the electrodes is connected to one of the conductive connecting portions adjacent to each other. The transparent insulation layer is disposed on the substrate and covers the conductive pads, the conductive connecting portions and the micro LED units, and the transparent insulation layer is filled between the electrodes of each of the micro LED units. The transparent insulation layer relative to a surface on each of the semiconductor epitaxial structures is of a first thickness and a second thickness, and the first thickness is different from the second thickness.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: January 2, 2024
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yu-Hung Lai, Yung-Chi Chu, Pei-Hsin Chen, Yi-Ching Chen, Yi-Chun Shih
  • Patent number: 11853137
    Abstract: Methods and systems for thermal management of components of a data processing system that may be used to provide computer implemented services are disclosed. The disclosed thermal management method and systems may improve the likelihood of data processing systems providing desired computer implemented services by improving the likelihood that desired power is provided by power supplies. To improve the likelihood of power supplies providing desired power, the power supplies may proactively take into account the thermal environment and/or thermal states of components of the power supply.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: December 26, 2023
    Assignee: Dell Products L.P.
    Inventors: Yu-Hung Lai, Po-Yun Shih
  • Patent number: 11843073
    Abstract: A micro LED display device includes a display substrate. The display substrate has a first transfer area and a second transfer area adjacent to each other. Both the first transfer area and the second transfer area include a plurality of pixel areas. The pixel area of the first transfer area includes a first micro light-emitting element arranged in a straight line along a first direction. The pixel area of the second transfer area includes a second micro light-emitting element arranged in another straight line along the first direction. In the first direction, the first micro light-emitting element and the second micro light-emitting element are arranged in a staggered manner. A manufacturing method of a micro LED display device is also provided.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: December 12, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yu-Hung Lai, Yun-Li Li, Tzu-Yang Lin
  • Publication number: 20230333619
    Abstract: Methods and systems for powering components of a data processing system that may be used to provide computer implemented services are disclosed. The disclosed management method and systems may improve the likelihood of data processing systems providing desired computer implemented services by improving the likelihood that desired power is provided by power supplies. To improve the likelihood of power supplies providing desired power, the power supplies may proactively take into account the type of power being supplied to the power supplies. The power supplies may modify their operation based on the type of input power being supplied to them so that conditioned power may be provided even when changes to the power supplied to the power supplies occur.
    Type: Application
    Filed: April 18, 2022
    Publication date: October 19, 2023
    Inventors: YU-HUNG LAI, PO-YUN SHIH, YI-CHE HSU
  • Patent number: 11705349
    Abstract: A transfer substrate is configured to transfer a plurality of micro components from a first substrate to a second substrate. The transfer substrate comprises a base and a plurality of transfer heads. The base includes an upper surface. The plurality of transfer heads is disposed on the upper surface of the base, wherein each transfer head includes a first surface and a second surface opposite to each other and the transfer heads contact the base with the first surfaces thereof. A plurality of adhesion lumps is separated from each other, wherein each adhesion lump is disposed on the second surface of one of the transfer heads. A CTE of the base is different from CTEs of the transfer heads.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: July 18, 2023
    Assignee: PlayNitride Inc.
    Inventors: Yu-Hung Lai, Tzu-Yang Lin, Yun-Li Li
  • Patent number: 11705441
    Abstract: A micro LED display device including a display substrate, a plurality of conductive pad pairs and a plurality of micro light emitting elements is provided. The display substrate has a first arranging area, a splicing area connected to the first arranging area, and a second arranging area connected to the splicing area, wherein the splicing area is located between the first arranging area and the second arranging area. The conductive pad pairs are disposed on the display substrate in an array with the same pitch. The micro light emitting elements are disposed on the display substrate and are electrically bonded to the conductive pad pairs. A manufacturing method of the micro LED display device is also provided.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: July 18, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Sheng-Yuan Sun, Ying-Tsang Liu, Yi-Ching Chen, Pei-Hsin Chen, Yi-Chun Shih, Tzu-Yang Lin, Yu-Hung Lai
  • Publication number: 20230221783
    Abstract: Methods and systems for thermal management of components of a data processing system that may be used to provide computer implemented services are disclosed. The disclosed thermal management method and systems may improve the likelihood of data processing systems providing desired computer implemented services by improving the likelihood that desired power is provided by power supplies. To improve the likelihood of power supplies providing desired power, the power supplies may proactively take into account the thermal environment and/or thermal states of components of the power supply.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 13, 2023
    Inventors: YU-HUNG LAI, PO-YUN SHIH
  • Patent number: 11637044
    Abstract: A micro LED display includes a display substrate, a first soldering layer, at least one second soldering layer, first micro LEDs and at least one second micro LED. The display substrate includes a substrate having a plurality of pixel areas, a first circuit layer and a second circuit layer, and the first circuit layer and the second circuit layer are arranged in each pixel area. The first soldering layer is disposed on the first circuit layer, and the second soldering layer is disposed on the second micro LED. An arranging area of the first soldering layer is greater than an arranging area of the second soldering layer. The first micro LEDs is bonding to the first circuit layer in each pixel area through the first soldering layer. The second micro LED is bonding to the second circuit layer of one of the pixel areas through the second soldering layer.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 25, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Hsiang-Wen Tang, Yu-Hung Lai
  • Patent number: 11631781
    Abstract: A method of manufacturing display device is disclosed. A substrate includes a basal layer and metal contacts on the top surface. An insulation layer is disposed on the top surface and includes a first mounting surface and a bottom surface. Multiple grooves are formed on the insulation layer and each extends from the first mounting surface to the bottom surface. The grooves respectively correspond to the metal contacts and expose respective metal contacts. An electromagnetic force is provided with a direction from the basal layer toward the insulation layer. A droplet containing multiple micro components is provided on the first mounting surface. A configuration of an electrode of the micro component corresponds to a configuration of one of the grooves. The electrode is attracted to the corresponding groove by the electromagnetic force so as to electrically contact the metal contact.
    Type: Grant
    Filed: February 21, 2021
    Date of Patent: April 18, 2023
    Assignee: PlayNitride Inc.
    Inventors: Tzu-Yu Ting, Yu-Hung Lai, Hsiang-Wen Tang, Yi-Chun Shih
  • Publication number: 20230109528
    Abstract: The micro-LED display device provided includes a substrate having a first circuit layer and a second circuit layer; a first pad on the first circuit layer and a second pad on the second circuit layer; a plurality of micro-LEDs, wherein each of the micro-LEDs includes a first electrode connected to the first pad and a second electrode connected to the second pad; a first bonding support layer disposed between the first and second pad and in direct contact with the substrate and the micro-LED; and a plurality of second bonding support layers, wherein each of the second bonding support layers includes a lower portion and a upper portion over the lower portion, wherein both portion are disposed between and in lateral contact with adjacent two of the micro-LEDs, and an optical density of the lower portion is greater than that of the upper portion under the same thickness.
    Type: Application
    Filed: December 9, 2022
    Publication date: April 6, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yu-Hung LAI, Yung-Chi CHU, Sheng-Yuan SUN, Ching-Hsiang LIN
  • Patent number: 11616050
    Abstract: A method for manufacturing a micro light emitting diode device is provided. A plurality of first type epitaxial structures are formed on a first substrate and the first type epitaxial structures are separated from each other. A first connection layer and a first adhesive layer are configured between the first type epitaxial structures and the first substrate. The first connection layer is connected to the first type epitaxial structures. The first adhesive layer is located between the first connection layer and the first type epitaxial substrate. The Young's modulus of the first connection layer is larger than the Young's modulus of the first adhesive layer. The first connection layer located between any two adjacent first type epitaxial structures is removed so as to form a plurality of first connection portions separated from each other. Each of the first connection portions is connected to the corresponding first type epitaxial structure.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: March 28, 2023
    Assignee: PlayNitride Inc.
    Inventors: Yu-Yun Lo, Tzu-Yang Lin, Yu-Hung Lai
  • Publication number: 20230036894
    Abstract: A micro device mass transfer equipment including a base stage, a moving stage, a substrate stage, a laser device, a rolling and pressing mechanism, and a heating mechanism is provided. The moving stage is movably disposed on the base stage, and moves with a moving path. The substrate stage is movably disposed on the base stage, and is adapted to move between different positions overlapping the moving stage. The laser device is movably disposed on the base stage. The laser device is adapted to move relative to the substrate stage, and emits a laser beam toward the substrate stage. The rolling and pressing mechanism is disposed on the moving path of the moving stage, and forms a contact region with the moving stage. The heating mechanism is disposed corresponding to the contact region, and is adapted to heat the contact region between the moving stage and the rolling and pressing mechanism.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 2, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Yu-Hung Lai
  • Publication number: 20230029828
    Abstract: Mass transfer equipment including a base stage, a first substrate stage, a second substrate stage, at least one laser head and a servo motor module is provided. The first substrate stage is adapted to drive a target substrate to move along a first direction. The second substrate stage is adapted to drive at least one micro device substrate to move along a second direction. The at least one laser head is adapted to move to a target position of the second substrate stage and emits a laser beam toward the at least one micro device substrate. At least one micro device is separated from a substrate of the at least one micro device substrate and connected with the target substrate after the irradiation of the laser beam. The servo motor module is used for driving the first substrate stage, the second substrate stage and the at least one laser head to move.
    Type: Application
    Filed: October 13, 2021
    Publication date: February 2, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Yu-Hung Lai, Tzu-Yang Lin
  • Patent number: 11450785
    Abstract: A transfer carrier is adapted to be connected to an electrode of a micro light-emitting element and transfer the micro light-emitting element. A transfer carrier includes a transfer substrate and a plurality of metal bonding pads. The metal bonding pads are disposed on the transfer substrate, and every two metal bonding pads that are adjacent to each other are spaced apart from each other through a gap.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: September 20, 2022
    Assignee: PlayNitride Inc.
    Inventors: Tzu-Yu Ting, Sheng-Chieh Liang, Yu-Hung Lai
  • Patent number: 11417800
    Abstract: A micro semiconductor device and a micro semiconductor display are provided. The micro semiconductor device includes an epitaxial structure, a first electrode, a second electrode and a supporting layer. The epitaxial structure has a bottom surface and a top surface, wherein the bottom surface is defined as a central region and a peripheral region. A first electrode and a second electrode are disposed on the central region of the bottom surface of the epitaxial structure, or the first electrode is disposed on the central region of the bottom surface of the epitaxial structure and the second electrode is disposed on the top surface of the epitaxial structure. The supporting layer is disposed on the peripheral region of the bottom surface of the epitaxial structure.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: August 16, 2022
    Assignee: PLAYNITRIDE DISPLAY CO., LTD.
    Inventors: Ying-Tsang Liu, Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen, Yu-Chu Li, Tzu-Yang Lin, Yu-Hung Lai
  • Patent number: 11404397
    Abstract: A display panel including a substrate, a buffer insulating layer, a plurality of pads, and a plurality of light emitting diodes is provided. The substrate has a display area and a peripheral area adjacent to the display area. The buffer insulating layer is disposed on the substrate. The Young's modulus of the buffer insulating layer is less than 10 GPa. The pads are located on the buffer insulating layer and disposed on the display area of the substrate. The light emitting diodes are electrically connected to the pads and bonding to the display area of the substrate by the pads. The buffer insulating layer is located between the light emitting diodes and the substrate. A normal projection of the light emitting diodes on the substrate is at least partially overlapped with a normal projection of the buffer insulating layer on the substrate.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: August 2, 2022
    Assignee: PlayNitride Inc.
    Inventors: Yu-Hung Lai, Kuan-Yung Liao, Sheng-Chieh Liang
  • Publication number: 20220173273
    Abstract: A micro light-emitting diode structure is provided. The micro light-emitting diode structure includes a first-type semiconductor layer, a light-emitting layer disposed on the first-type semiconductor layer, and a second-type semiconductor layer disposed on the light-emitting layer. Moreover, the micro light-emitting diode structure includes a first electrode and a second electrode disposed on the top surface of the second-type semiconductor layer and electrically connected to the first-type semiconductor layer and the second-type semiconductor layer, respectively. The first electrode includes two portions, and a rounded corner is formed at the junction therebetween. From the top view of the micro light-emitting diode structure, the light-emitting layer and the second-type semiconductor layer define a mesa region. The area of the mesa region is smaller than the area of the first-type semiconductor layer. The mesa region exposes the first top surface of the first-type semiconductor layer.
    Type: Application
    Filed: May 19, 2021
    Publication date: June 2, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yu-Hung LAI, Yu-Yun LO
  • Publication number: 20220157789
    Abstract: A micro LED display device includes a substrate, micro LED units and a transparent insulation layer. The substrate includes conductive pads and conductive connecting portions. The conductive pads are disposed on the substrate. Each of the micro LED units includes a semiconductor epitaxial structure and electrodes. The electrodes are disposed on the semiconductor epitaxial structure, and each of the electrodes is connected to one of the conductive connecting portions adjacent to each other. The transparent insulation layer is disposed on the substrate and covers the conductive pads, the conductive connecting portions and the micro LED units, and the transparent insulation layer is filled between the electrodes of each of the micro LED units. The transparent insulation layer relative to a surface on each of the semiconductor epitaxial structures is of a first thickness and a second thickness, and the first thickness is different from the second thickness.
    Type: Application
    Filed: December 16, 2020
    Publication date: May 19, 2022
    Inventors: Yu-Hung LAI, Yung-Chi CHU, Pei-Hsin CHEN, Yi-Ching CHEN, Yi-Chun SHIH
  • Publication number: 20220149110
    Abstract: A micro LED display includes a display substrate, a first soldering layer, at least one second soldering layer, first micro LEDs and at least one second micro LED. The display substrate includes a substrate having a plurality of pixel areas, a first circuit layer and a second circuit layer, and the first circuit layer and the second circuit layer are arranged in each pixel area. The first soldering layer is disposed on the first circuit layer, and the second soldering layer is disposed on the second micro LED. An arranging area of the first soldering layer is greater than an arranging area of the second soldering layer. The first micro LEDs is bonding to the first circuit layer in each pixel area through the first soldering layer. The second micro LED is bonding to the second circuit layer of one of the pixel areas through the second soldering layer.
    Type: Application
    Filed: December 24, 2020
    Publication date: May 12, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Hsiang-Wen Tang, Yu-Hung Lai