Patents by Inventor Pei-Hsin Chen

Pei-Hsin Chen 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).

  • Patent number: 11211535
    Abstract: A method for fabricating a micro light-emitting diode display is provided. The method includes disposing a plurality of micro light-emitting diodes on a carrier; transferring the micro light-emitting diodes from the carrier to a display substrate and disposing the micro light-emitting diodes in a plurality of pixels of the display substrate; subjecting the micro light-emitting diodes to a pre-bonding process to electrically connect the micro light-emitting diodes to the display substrate; subjecting the micro light-emitting diodes pre-bonded to the display substrate to a first detection process, thereby identifying whether a faulty micro light-emitting diode is present or not; and, subjecting the micro light-emitting diodes to the main bonding process after the first detection process.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: December 28, 2021
    Assignee: PLAYNITRIDE DISPLAY CO., LTD.
    Inventors: Yi-Ching Chen, Pei-Hsin Chen, Yi-Chun Shih, Tzu-Yang Lin, Yu-Hung Lai
  • Publication number: 20210398953
    Abstract: The present invention discloses a display panel and a head mounted device. The display panel includes a substrate and a plurality of micro light emitting units. A first position and a second position are defined at an edge and a center of the substrate respectively. The micro light emitting units are arranged and disposed on the substrate. Any two of the micro light emitting units are disposed at the first position and the second position respectively. Wherein each micro light emitting unit defines a luminating top surface, and a reference angle is defined between each luminating top surface and a reference plane respectively. Wherein the reference angle defined between each luminating top surface and the reference plane gradually decreases from the first position to the second position, and the luminating top surface of the micro light emitting unit located at the second position is parallel to the reference surface.
    Type: Application
    Filed: December 16, 2020
    Publication date: December 23, 2021
    Inventors: Yi-Ching CHEN, Pei-Hsin CHEN, Yi-Chun SHIH
  • Publication number: 20210399042
    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: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yu-Chu Li, Kuan-Yung Liao, Pei-Hsin Chen, Yi-Ching Chen, Yi-Chun Shih
  • Publication number: 20210367103
    Abstract: A micro light emitting diode includes an epitaxial structure, a first electrode, and a second electrode. The epitaxial structure has a surface. The first electrode and the second electrode are respectively disposed on the surface of the epitaxial structure. The second electrode is located outside the first electrode, and the second electrode is symmetrically disposed with respect to a geometric center of the epitaxial structure.
    Type: Application
    Filed: August 19, 2020
    Publication date: November 25, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yi-Chun Shih, Pei-Hsin Chen, Yi-Ching Chen
  • Patent number: 11183622
    Abstract: A micro light-emitting device module includes a circuit substrate, a planarization layer and a micro light-emitting device. The planarization layer is disposed on an upper surface of the circuit substrate and has a first surface and a second surface opposite to each other. The second surface is in contact with the upper surface of the circuit substrate. The micro light-emitting device is disposed on the first surface of the planarization layer. A maximum height difference of the second surface of the planarization layer is greater than a thickness of the micro light-emitting device.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: November 23, 2021
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Yu-Hung Lai, Pei-Hsin Chen, Yi-Chun Shih
  • Patent number: 11177154
    Abstract: A carrier structure suitable for transferring or supporting a plurality of micro devices including a carrier and a plurality of transfer units is provided. The transfer units are disposed on the carrier. Each of the transfer units includes a plurality of transfer parts. Each of the transfer parts has a transfer surface. Each of the micro devices has a device surface. The transfer surfaces of the transfer parts of each of the transfer units are connected to the device surface of corresponding micro device. The area of each of the transfer surfaces is smaller than the area of the device surface of the corresponding micro device. A micro device structure using the carrier structure is also provided.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: November 16, 2021
    Assignee: PixeLED Display CO., LTD.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen, Ying-Tsang Liu, Yu-Chu Li, Huan-Pu Chang, Chih-Ling Wu, Yu-Yun Lo, Tzu-Yang Lin, Yu-Hung Lai
  • Patent number: 11164998
    Abstract: An electrode structure includes a first electrode and a second electrode disposed opposite to each other. The first electrode has a first side and a second side. The second side is located between the first side and the second electrode. The first electrode has a maximum vertical length and a minimum vertical length from the first side to the second side, and a ratio of the minimum vertical length to the maximum vertical length is less than 0.8. The second electrode and the first electrode are separated by a first vertical gap and a second vertical gap, and the second vertical gap is greater than the first vertical gap.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: November 2, 2021
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yu-Chu Li, Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen
  • Publication number: 20210327858
    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: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Applicant: 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: 20210328119
    Abstract: A micro light-emitting device display apparatus includes a circuit substrate, at least one micro light-emitting device, and at least one conductive bump. The circuit substrate includes at least one pad. The micro light-emitting device is disposed on the circuit substrate and includes at least one electrode. At least one of the pad and the electrode has at least one closed opening. The conductive bump is disposed between the circuit substrate and the micro light-emitting device. The conductive bump extends into the closed opening and defines at least one void with the closed opening. The electrode of the micro light-emitting device is electrically connected to the pad of the circuit substrate with the conductive bump.
    Type: Application
    Filed: August 26, 2020
    Publication date: October 21, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yi-Ching Chen, Yi-Chun Shih, Pei-Hsin Chen
  • 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: 11094677
    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: November 8, 2019
    Date of Patent: August 17, 2021
    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: 20210210371
    Abstract: The present invention discloses a substrate configured to receive a plurality of micro elements on a carrier board. The substrate comprises a body, a first conductive bump, and a second conductive bump. The body has a first surface, a transfer area is defined within the first surface, and a central portion and a peripheral portion is defined within the transfer area. The first conductive bump, disposed on the central portion, has a first volume. The second conductive bump, disposed on the peripheral portion, has a second volume. Wherein the first volume is different from the second volume.
    Type: Application
    Filed: September 10, 2020
    Publication date: July 8, 2021
    Inventors: Pei-Hsin CHEN, Yi-Chun SHIH, Yi-Ching CHEN
  • Patent number: 11056375
    Abstract: A micro LED carrier board is provided. The micro LED carrier board includes a substrate structure having a first surface and a second surface and having a central region and a peripheral region on the outside of the central region. The micro LED carrier board includes a plurality of micro LED elements forming an array and on the second surface of the substrate structure. The micro LED carrier board includes a patterned structure formed on the first surface and the second surface. The patterned structure has a first pattern density in the central region and a second pattern density in the peripheral region, and the first pattern density is different from the second pattern density.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 6, 2021
    Assignee: PLAYNITRIDE DISPLAY CO., LTD.
    Inventors: Pei-Hsin Chen, Yi-Ching Chen, Yu-Chu Li, Yi-Chun Shih, Ying-Tsang Liu, Yu-Hung Lai, Tzu-Yang Lin
  • Publication number: 20210175391
    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: Application
    Filed: February 19, 2021
    Publication date: June 10, 2021
    Applicant: 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
  • Publication number: 20210151341
    Abstract: Herein disclosed are a micro-component transfer head, a micro-component transfer device, and a micro-component display. Said micro-component transfer head comprises a carrying surface that corresponds to a micro-component extraction area. Said extraction area conforms with a first geometric object, which comprises at least an acute angle. A second geometric object comprises at least a right angle and is constituted of n copies of the first geometric object, n being an integer greater than 1. The shape of the first geometric object differs from that of the second.
    Type: Application
    Filed: May 14, 2020
    Publication date: May 20, 2021
    Inventors: Yu-Chu LI, Pei-Hsin CHEN, Yi-Chun SHIH, Yi-Ching CHEN
  • Publication number: 20210135054
    Abstract: An electrode structure includes a first electrode and a second electrode disposed opposite to each other. The first electrode has a first side and a second side. The second side is located between the first side and the second electrode. The first electrode has a maximum vertical length and a minimum vertical length from the first side to the second side, and a ratio of the minimum vertical length to the maximum vertical length is less than 0.8. The second electrode and the first electrode are separated by a first vertical gap and a second vertical gap, and the second vertical gap is greater than the first vertical gap.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 6, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yu-Chu Li, Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen
  • Publication number: 20210126170
    Abstract: A micro light-emitting diode device includes a substrate, a micro light-emitting diode, a first protection layer and a second protection layer. The micro light-emitting diode is disposed on the substrate. The first protection layer is disposed on a first portion of an outer side wall of the micro light-emitting diode and has a gap from the substrate. The second protection layer is at least disposed on a second portion of the outer side wall and is located in the gap between the first protection layer and the substrate. A height of the second protection layer on the substrate is less than or equal to a height of the micro light-emitting diode on the substrate.
    Type: Application
    Filed: December 10, 2019
    Publication date: April 29, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Chih-Ling Wu
  • Publication number: 20210126048
    Abstract: A micro LED display panel includes a display area, a plurality of micro light-emitting elements and a plurality of micro control elements. The plurality of micro light-emitting elements is disposed in the display area and include a plurality of first color micro LEDs and a plurality of second color micro LEDs. A light wavelength of each of the first color micro LEDs is different from a light wavelength of each of the second color micro LEDs. The plurality of micro control elements is disposed in the display area, and include a plurality of first color micro circuit-chips and a plurality of second color micro circuit-chips. The plurality of first color micro circuit-chips control the plurality of first color micro LEDs, and the plurality of second color micro circuit-chips control the plurality of second color micro LEDs.
    Type: Application
    Filed: January 7, 2021
    Publication date: April 29, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen, Ying-Tsang Liu, Yu-Chu Li, Tzu-Yang Lin, Yu-Hung Lai
  • Publication number: 20210126171
    Abstract: A micro light-emitting diode device includes a substrate, a micro light-emitting diode, a first protection layer and a second protection layer. The micro light-emitting diode is adapted to be disposed on the substrate. The first protection layer is disposed on a first portion of an outer side wall of the micro light-emitting diode and has a gap from the substrate. The second protection layer is disposed on a second portion of the outer side wall of the micro light-emitting diode. The second protection layer is located in the gap between the first protection layer and the substrate and covers a part of the first protection layer. A maximum thickness of the first protection layer on the outer side wall is less than a maximum thickness of the second protection layer on the outer side wall.
    Type: Application
    Filed: December 10, 2019
    Publication date: April 29, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Chih-Ling Wu
  • Publication number: 20210125970
    Abstract: A micro light-emitting device module includes a circuit substrate, a planarization layer and a micro light-emitting device. The planarization layer is disposed on an upper surface of the circuit substrate and has a first surface and a second surface opposite to each other. The second surface is in contact with the upper surface of the circuit substrate. The micro light-emitting device is disposed on the first surface of the planarization layer. A maximum height difference of the second surface of the planarization layer is greater than a thickness of the micro light-emitting device.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 29, 2021
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Yu-Hung Lai, Pei-Hsin Chen, Yi-Chun Shih