Patents Assigned to PlayNitride Inc.
  • Patent number: 11302842
    Abstract: A method for manufacturing a micro light emitting diode device is provided. A connection layer and a plurality of epitaxial structures are formed on a substrate, wherein the epitaxial structures are separated from each other and relative positions therebetween are fixed via the connection layer. A first pad is formed on each of the epitaxial structures. A plurality of light blocking layers are formed between the epitaxial structures, wherein the light blocking layers and the epitaxial structures are alternately arranged. Each of the epitaxial structures is bonded to a destination substrate after forming the light blocking layers. The substrate is removed to expose the connection layer. A light conversion layer is formed corresponding to each of the epitaxial structures, wherein a width of the light conversion layer is greater than or equal to a distance between any two of the light blocking layers.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: April 12, 2022
    Assignee: PlayNitride Inc.
    Inventors: Yu-Yun Lo, Chih-Ling Wu, Yi-Min Su, Yen-Yeh Chen, Yi-Chun Shih
  • Patent number: 11302679
    Abstract: A micro-LED display panel including a substrate, an anisotropic conductive film, and a plurality of micro-LEDs is provided. The anisotropic conductive film is disposed on the substrate. The micro-LEDs and the anisotropic conductive film are disposed at the same side of the substrate, and the micro-LEDs are electrically connected to the substrate through the anisotropic conductive film. Each of the micro-LEDs includes an epitaxial layer and an electrode layer electrically connected to the epitaxial layer, and the electrode layers comprises a first electrode and a second electrode which are located between the substrate and the corresponding epitaxial layer. A ratio of a thickness of each of the electrode layers to a thickness of the corresponding epitaxial layer ranges from 0.1 to 0.5, and a gap between the first electrode and the second electrode of each of the micro-LEDs is in a range of 1 ?m to 30 ?m.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: April 12, 2022
    Assignee: PlayNitride Inc.
    Inventors: Ying-Tsang Liu, Yu-Chu Li, Pei-Hsin Chen, Yi-Ching Chen
  • Patent number: 11289463
    Abstract: A display panel includes a first substrate, a plurality of first color micro light emitting diodes (LEDs), a plurality of second color LEDs and a shading layer. The first substrate has a plurality of pixel zones arranged in an array form. Each of the first color LEDs has a first light emitting surface facing to a display direction. Each of the second color LEDs has a second light emitting surface facing to the display direction. Each of the pixel zones is provided with one of the first color micro LEDs and one of the second color LEDs. The shading layer is disposed in the pixel zones. The shading layer overlaps part of the first light emitting surface and part of the second light emitting surface in the display direction.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: March 29, 2022
    Assignee: PlayNitride Inc.
    Inventors: Pei-Hsin Chen, Yi-Ching Chen, Yi-Chun Shih, Yu-Chu Li, Ying-Tsang Liu, Chih-Chiang Lu, Gwo-Jiun Sheu, Po-Jen Su
  • Patent number: 11289012
    Abstract: A micro light emitting diode display panel including a plurality of pixels and a control element is provided. One of the pixels include a first sub-pixel. The first sub-pixel includes two micro light emitting diodes having different light wavelengths and controlled independently. The control element controls driving currents to the two micro light emitting diodes according to a gray level of the first sub-pixel, wherein a ratio of the driving current of the micro light emitting diode with larger light wavelength to the driving current of the micro light emitting diode with smaller light wavelength increases as the gray level of the first sub-pixel increases. A driving method of the micro light emitting diode display panel is also provided.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: March 29, 2022
    Assignee: PlayNitride Inc.
    Inventor: Yu-Chu Li
  • Patent number: 11257987
    Abstract: A structure with micro light-emitting device includes a substrate, at least one micro light-emitting device, a holding structure, and at least one buffer structure. The micro light-emitting device is disposed on the substrate, and there is a vertical distance between the micro light-emitting device and the substrate. The holding structure is disposed on the substrate and directly contacts the micro light-emitting device. The buffer structure directly contacts the holding structure. Here, a Young's modulus of the buffer structure is smaller than a Young's modulus of the holding structure.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: February 22, 2022
    Assignee: PlayNitride Inc.
    Inventors: Yu-Yun Lo, Chih-Ling Wu, Yi-Min Su
  • Publication number: 20210320090
    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: Application
    Filed: June 24, 2021
    Publication date: October 14, 2021
    Applicant: PlayNitride Inc.
    Inventors: Yu-Yun Lo, Tzu-Yang Lin, Yu-Hung Lai
  • Publication number: 20210305474
    Abstract: An apparatus with micro devices includes a circuit substrate, at least one micro device, and at least one light guide structure. The micro device is disposed on the circuit substrate. The micro device has a top surface and a bottom surface opposite to each other, a peripheral surface connected with the top surface and the bottom surface, a first-type electrode, and a second-type electrode. The light guide structure is disposed on the circuit substrate and is not in direct contact with the first-type electrode and the second-type electrode. The light guide structure includes at least one connecting portion and at least one holding portion. The connecting portion is disposed on an edge of the top surface of the micro device. An orthographic projection area of the light guide structure on the top surface is smaller than an area of the top surface.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Applicant: PlayNitride Inc.
    Inventors: Chih-Ling Wu, Yi-Min Su, Yu-Yun Lo
  • Patent number: 11133294
    Abstract: A transparent display panel with a light-transmitting substrate, a plurality of top-emitting micro light emitting diodes, a plurality of bottom-emitting micro light emitting diodes, and a light shielding layer. The light transmissive substrate has a surface. These top-emitting micro light emitting diodes and these bottom-emitting micro light emitting diodes are disposed on the surface of the light transmissive substrate. The bottom-emitting micro light emitting diodes has an epitaxial structure and a light shielding member, the epitaxial structure has a pair of upper and lower surfaces on the opposite sides, the lower surface faces toward the light transmissive substrate, and the light shielding member is disposed on the upper surface to shield the light emitted by the bottom-emitting micro light emitting diodes towards the upper surface.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: September 28, 2021
    Assignee: PLAYNITRIDE INC.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen, Ying-Tsang Liu, Yu-Chu Li
  • Patent number: 11127341
    Abstract: A light emitting module including a circuit carrier and a plurality of light emitting devices is provided. The circuit carrier includes a first circuit layer, a second circuit layer, a dielectric layer and a plurality of conductive vias. The first circuit layer and the second circuit layer are located at two opposite sides of the dielectric layer. The conductive vias pass through the dielectric layer and two opposite end portions of each of the conductive vias are respectively connected to the first circuit layer and the second circuit layer. The light emitting devices are electrically bonded to the first circuit layer. Moreover, the light emitting devices are disposed in a device disposing area of the circuit carrier and the conductive vias are arranged outside the device disposing area. A display device is also provided.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: September 21, 2021
    Assignee: PlayNitride Inc.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Yu-Hung Lai, Po-Jen Su, Hsuan-Wei Mai
  • Publication number: 20210280741
    Abstract: A micro light emitting diode display panel includes a backplane and a plurality of micro light emitting diode chips. The backplane includes a plurality first electrode lines and a plurality of second electrode lines. The first electrode lines and the second electrode lines define a plurality of sub-pixel regions arranged in an array form. The micro light emitting diode chips are disposed on the backplane and respectively located in the sub-pixel regions. Each of the micro light emitting diode chips has a first electrode, a plurality of second electrodes and a plurality of light-emitting regions. The first electrode is boned to one of the first electrode lines, and the second electrodes are boned to one of the second met lines. In a defect sub-pixel region, the electrical connection between one of the second electrodes and the corresponding one of the second electrode lines is cut to isolate.
    Type: Application
    Filed: May 10, 2021
    Publication date: September 9, 2021
    Applicant: PlayNitride Inc.
    Inventors: Yu-Yun Lo, Bo-Wei Wu, Shiang-Ning Yang, Chang-Feng Tsai
  • Patent number: 11094849
    Abstract: A light emitting diode display includes a driving substrate, a plurality of micro light-emitting devices, a first common electrode, and a second common electrode. The micro light-emitting devices are arranged on the driving substrate. Each of the micro light-emitting devices includes an epitaxial structure, a first type electrode, and a second type electrode. The first common electrode is disposed on the driving substrate and located between the second type electrodes of the micro light-emitting devices, wherein the first common electrode exposes at least a portion of an upper surface of each of the second type electrodes. The second common electrode is located between the second type electrodes of the micro light-emitting devices and electrically connected to the first common electrode, wherein the second common electrode does not directly contact the micro light-emitting devices.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: August 17, 2021
    Assignee: PlayNitride Inc.
    Inventors: Chih-Ling Wu, Yi-Min Su
  • Patent number: 11094675
    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: November 6, 2017
    Date of Patent: August 17, 2021
    Assignee: PlayNitride Inc.
    Inventors: Yu-Yun Lo, Tzu-Yang Lin, Yu-Hung Lai
  • Publication number: 20210225817
    Abstract: A micro LED display panel includes a driving substrate and a plurality of micro light emitting diodes (LEDs). The driving substrate has a plurality of pixel regions. Each of the pixel regions includes a plurality of sub-pixel regions. The micro LEDs are located on the driving substrate. At least one of the sub-pixel regions is provided with two micro LEDs of the micro LEDs electrically connected in series, and a dominant wavelength of the two micro LEDs is within a wavelength range of a specific color light. In a repaired sub-pixel region of the sub-pixel regions, only one of the two micro LEDs emits light. In a normal sub-pixel region of the sub-pixel regions, both of the two micro LEDs emit light.
    Type: Application
    Filed: April 6, 2021
    Publication date: July 22, 2021
    Applicant: PlayNitride Inc.
    Inventors: Kuan-Yung Liao, Ching-Liang Lin, Yun-Li Li, Yu-Chu Li
  • Patent number: 11056614
    Abstract: A micro light-emitting diode chip includes an epitaxial structure, a first electrode, and a second electrode. The epitaxial structure includes a first type doped semiconductor layer, a light emitting layer, and a second type doped semiconductor layer, and the epitaxial structure further includes a first surface, a side surface and a second surface opposite to the first surface. The side surface of the epitaxial structure connects to an outer edge of the first surface and an outer edge of the second surface. The first electrode is disposed on the first surface, and is electrically connected to the first type doped semiconductor layer and contacts the first type doped semiconductor layer on a portion of the first surface. The second electrode is disposed on and surrounds the side surface, and electrically connected to the second type doped semiconductor layer, and directly contacts the second type doped semiconductor layer on a portion of the side surface.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: July 6, 2021
    Assignee: PlayNitride Inc.
    Inventors: Yu-Hung Lai, Yu-Yun Lo, Tzu-Yang Lin
  • Publication number: 20210175387
    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: Application
    Filed: February 21, 2021
    Publication date: June 10, 2021
    Applicant: PlayNitride Inc.
    Inventors: Tzu-Yu Ting, Yu-Hung Lai, Hsiang-Wen Tang, Yi-Chun Shih
  • Patent number: 11031525
    Abstract: A micro light emitting diode chip having a plurality of light-emitting regions, including a semiconductor epitaxial structure, a first electrode and a plurality of second electrodes disposed at interval is provided. The semiconductor epitaxial structure includes a first-type doped semiconductor layer, a plurality of second-type doped semiconductor layers and a plurality of light-emitting layers disposed at interval. The light-emitting layers are located between the first-type doped semiconductor layer and the second-type doped semiconductor layer. The light-emitting layers are located in the light-emitting regions respectively and electrically contact to the first-type doped semiconductor layer. The first electrode is electrically connected and contacts to the first-type doped semiconductor layers. The second electrodes are electrically connected to the second-type doped semiconductor layers. Furthermore, a display panel is also provided.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: June 8, 2021
    Assignee: PlayNitride Inc.
    Inventors: Yu-Hung Lai, Yu-Yun Lo, Tzu-Yang Lin
  • Publication number: 20210151622
    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: Application
    Filed: January 25, 2021
    Publication date: May 20, 2021
    Applicant: PLAYNITRIDE INC.
    Inventors: Tzu-Yu TING, Sheng-Chieh LIANG, Yu-Hung LAI
  • Patent number: 11005019
    Abstract: A structure with micro devices includes a substrate, at least one micro device, and at least one holding structure. The micro device is disposed on the substrate. The micro device has a top surface and a bottom surface opposite to each other, a peripheral surface connected with the top surface and the bottom surface, a first-type electrode, and a second-type electrode. The holding structure is disposed on the substrate and is away from the first-type electrode and the second-type electrode. The holding structure includes at least one connecting portion and at least one holding portion. The connecting portion is disposed on an edge of the top surface of the micro device. The holding portion is connected to the connecting portion and extends onto the substrate.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: May 11, 2021
    Assignee: PlayNitride Inc.
    Inventors: Chih-Ling Wu, Yi-Min Su, Yu-Yun Lo
  • Patent number: 10991846
    Abstract: A method of manufacturing micro light-emitting element array is disclosed. A transfer substrate and at least one metal bonding pad are provided, and the metal bonding pad is disposed on the transfer substrate. A growth substrate and a plurality of micro light-emitting elements are provided. The micro light-emitting elements are disposed on the growth substrate, and a surface of each of the micro light-emitting elements away from the growth substrate having at least one electrode. The metal bonding pad is molten at a heating temperature, and the electrode is connected to the metal bonding pad. Then, the growth substrate is removed.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: April 27, 2021
    Assignee: PLAYNITRIDE INC.
    Inventors: Tzu-Yu Ting, Sheng-Chieh Liang, Yu-Hung Lai
  • Patent number: 10978609
    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: August 14, 2019
    Date of Patent: April 13, 2021
    Assignee: PlayNitride Inc.
    Inventors: Tzu-Yu Ting, Yu-Hung Lai, Hsiang-Wen Tang, Yi-Chun Shih