Patents Assigned to PlayNitride Display Co., Ltd.
  • Patent number: 11769857
    Abstract: A micro light-emitting device, including a first type semiconductor layer, a light-emitting layer, a second type semiconductor layer, a first type electrode, a second type electrode, and a light reflection layer, is provided. The light-emitting layer is arranged on the first type semiconductor layer. The second type semiconductor layer is arranged on the light-emitting layer. The first type electrode and the second type electrode are both arranged on the second type semiconductor layer. The light reflection layer is arranged between the light-emitting layer and the first type electrode. The light reflection layer includes an oxidized area and a non-oxidized area. A reflectance of the oxidized area is greater than a reflectance of the non-oxidized area. An orthographic projection of a part of the oxidized area on the first type semiconductor layer and an orthographic projection of the first type electrode on the first type semiconductor layer at least partially overlap.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: September 26, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yen-Chun Tseng, Tzu-Yang Lin, Jyun-De Wu, Yi-Chun Shih
  • Publication number: 20230299059
    Abstract: A micro light-emitting diode includes a first stacked layer, a second stacked layer, a third stacked layer, a bonding layer, at least one etch stop layer, and a plurality of electrodes. The second stacked layer is disposed between the first stacked layer and the third stacked layer. The first stacked layer includes a first active layer. The second stacked layer includes a second active layer. The third stacked layer includes a third active layer. The bonding layer is disposed between the second stacked layer and the third stacked layer. The at least one etch stop layer is at least disposed between the first active layer and the second active layer. The plurality of electrodes are respectively electrically connected with the first stacked layer, the second stacked layer, and the third stacked layer. At least one electrode of the plurality of electrodes contacts the etch stop layer.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 21, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Chi-Heng Chen, Kuang-Yuan Hsu, Shen-Jie Wang, Jyun-De Wu, Yi-Ching Chen, Yi-Chun Shih
  • Patent number: 11735461
    Abstract: A semiconductor structure disposed on a temporary carrier board is provided. Multiple adhesive layers are disposed on the temporary carrier. The semiconductor structure includes an adhesive-layer structure and a micro light-emitting element. The adhesive-layer structure includes a mending adhesive layer and a buffer layer. The mending adhesive layer is disposed on the temporary carrier board. The micro light-emitting element is disposed on the mending adhesive layer. The buffer layer is disposed between the mending adhesive layer and the micro light-emitting element. A height of the mending adhesive layer is less than a height of each of the adhesive layers in a thickness direction of the temporary carrier board. A sum of the height of the mending adhesive layer and the height of the buffer layer is greater than or equal to a height of each of the adhesive layers.
    Type: Grant
    Filed: September 26, 2021
    Date of Patent: August 22, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yu-Yun Lo, Chih-Kai Huang, Bo-Wei Wu, Shiang-Ning Yang
  • Publication number: 20230261137
    Abstract: A micro light-emitting diode includes an epitaxial structure and an insulating layer. The epitaxial structure includes a first type semiconductor layer, a light-emitting layer, and a second type semiconductor layer, and has a first ion implantation region. A first distance is present between a surface of the first type semiconductor layer and a top surface of the light-emitting layer adjacent to the surface. A second distance is present between the surface of the first type semiconductor layer and a first bottom side of the first ion implantation region. The second distance is greater than the first distance and less than a height of a mesa. A first included angle having an absolute value between 0 and 15 degrees is present between a first extension direction of a first inner side of the first ion implantation region and a normal direction of the light-emitting layer.
    Type: Application
    Filed: August 29, 2022
    Publication date: August 17, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yu-Yun Lo, Bo-Wei Wu, Shih-Yao Liang
  • Publication number: 20230251300
    Abstract: Micro light emitting diode inspection and repairing equipment including a carrying stage, an optical inspection module and an injection device is provided. The optical inspection module is arranged corresponding to the carrying stage to capture image information and obtain a position coordinate from the image information. The injection device is adapted to move to a target position of the carrying stage according to the position coordinate. The injection device includes a tube and a nozzle. The tube includes a first portion and a second portion connected to the first portion. The extending direction of the first portion is different from the extending direction of the second portion. A fluid blows to the target position after passing through the tube and the nozzle. An inspection and repairing method adopting the micro light emitting diode inspection and repairing equipment is also provided.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventor: Cheng-Cian Lin
  • Publication number: 20230231001
    Abstract: A micro light-emitting diode display device includes a display substrate, multiple pixels, and at least one color conversion layer. The pixels are disposed on the display substrate. Each of the pixels includes multiple sub-pixels. Each of the sub-pixels includes at least one micro light-emitting diode. The at least one color conversion layer is disposed on the pixels. The at least one color conversion layer is continuously disposed on at least a part of sub-pixels of different pixels along a same direction.
    Type: Application
    Filed: March 16, 2022
    Publication date: July 20, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Sheng-Yuan Sun, LOGANATHAN MURUGAN, Po-Wei Chiu
  • 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: 20230223498
    Abstract: A micro light emitting diode includes an epitaxial structure, a first electrode, a second electrode, at least one via and an insulating layer. The epitaxial structure has a surface and includes a first-type semiconductor layer, a light emitting layer and a second-type semiconductor layer. The first electrode and the second electrode are respectively disposed on the surface of the epitaxial structure. The second electrode is located outside around the first electrode and symmetrically disposed with respect to a geometric center of a bonding surface of the epitaxial structure. The via extends from the second-type semiconductor layer to the first-type semiconductor layer. The insulating layer is disposed on the second-type semiconductor layer together with the first electrode. The insulating layer extends to cover an inner wall of the via, and the via is non-symmetrically disposed with respect to the geometric center of the bonding surface of the epitaxial structure.
    Type: Application
    Filed: March 17, 2023
    Publication date: July 13, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yi-Chun Shih, Pei-Hsin Chen, Yi-Ching Chen
  • Patent number: 11668742
    Abstract: Micro light emitting diode inspection and repairing equipment including a carrying stage, an optical inspection module and an injection device is provided. The optical inspection module is arranged corresponding to the carrying stage to capture image information and obtain a position coordinate from the image information. The injection device is adapted to move to a target position of the carrying stage according to the position coordinate. The injection device includes a tube and a nozzle. The tube includes a first portion and a second portion connected to the first portion. The extending direction of the first portion is different from the extending direction of the second portion. A fluid blows to the target position after passing through the tube and the nozzle. An inspection and repairing method adopting the micro light emitting diode inspection and repairing equipment is also provided.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: June 6, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventor: Cheng-Cian Lin
  • Patent number: 11658268
    Abstract: A light-emitting semiconductor substrate, which is applied to a light-emitting semiconductor structure, includes a base and a plurality of particle groups. The base includes an upper surface. The particle groups are on the upper surface or inside the base dispersedly, and each of the particle groups includes Sn, Sn compounds or combinations thereof.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: May 23, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Hsin-Chiao Fang, Yen-Lin Lai, Jyun-De Wu
  • Publication number: 20230154901
    Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a circuit substrate and a plurality of micro light-emitting diode structures. The micro light-emitting diode structures each include a micro light-emitting chip and a molding structure. The micro light-emitting chip is electrically bonded to the circuit substrate, and includes a first surface, a second surface, and a peripheral surface. The first surface is located on a side of the micro light-emitting chip facing the circuit substrate. The second surface is disposed opposite to the first surface. The peripheral surface connects the first surface and the second surface. The molding structure surrounds the peripheral surface and encloses the second surface of the micro light-emitting chip. The molding structure extends in a direction away from the circuit substrate and forms an inner side wall. The inner side wall and the second surface constitute an accommodating portion.
    Type: Application
    Filed: January 6, 2022
    Publication date: May 18, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Shiang-Ning Yang, Sheng-Yuan Sun, LOGANATHAN MURUGAN, Yu-Yun Lo, Bo-Wei Wu
  • Patent number: 11652077
    Abstract: A light-emitting display unit including first to third metal layers, first to second insulation layers and micro light-emitting devices is provided. The first metal layer has conductive patterns. The second metal layer has transfer patterns. The third metal layer has pad patterns. The second metal layer is located between the first metal layer and the third metal layer. A distribution density of the first metal layer is less than that of the second metal layer, and greater than that of the third metal layer. The first insulation layer is disposed between the first metal layer and the second metal layer. The second insulation layer is disposed between the second metal layer and the third metal layer. The micro light-emitting devices are disposed on one side of the first metal layer away from the second metal layer, and electrically bonded to the conductive patterns. A display apparatus adopting the light-emitting display unit is also provided.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: May 16, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Po-Jen Su, Wei-Ping Lin
  • Publication number: 20230135465
    Abstract: A micro LED display device includes: a substrate; a plurality of micro light-emitting diodes disposed on the substrate; and a reflective layer and a black layer sequentially stacked on the substrate. The reflective layer and the black layer cover a surface of the substrate, wherein a top surface of the plurality of micro light-emitting diodes is exposed through the reflective layer and the black layer. A plurality of reflective banks and a plurality of black banks are sequentially disposed on the black layer and exposing the plurality of micro light-emitting diodes; and a color-conversion material covers the top surface of at least one of the plurality of micro light-emitting diodes. The color-conversion material is laterally disposed between the plurality of reflective banks. The reflective layer, the black layer, the plurality of reflective banks, and the plurality of black banks overlap each other in a display direction.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 4, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Loganathan MURUGAN, Sheng-Yuan SUN, Po-Wei CHIU
  • Patent number: 11640967
    Abstract: A micro light-emitting device display apparatus includes a driving substrate and a plurality of micro light-emitting devices. The micro light-emitting devices are disposed on the driving substrate. The micro light-emitting devices include a plurality of first, second and third micro light-emitting devices. Each of the first, the second and the third micro light-emitting devices respectively has a plurality of first, second, and third light-emitting regions independently controlled. A first light-emitting region of a first micro light-emitting device, a second light-emitting region of a second micro light-emitting device, and a third light-emitting region of a third micro light-emitting device are located in a first pixel region. A first light-emitting region of another first micro light-emitting device, a second light-emitting region of another second micro light-emitting device, and another third light-emitting region of the third micro light-emitting device are located in a second pixel region.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: May 2, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yu-Chu Li, Yi-Ching Chen
  • Patent number: 11640784
    Abstract: A micro light emitting diode (micro LED) display and a controller thereof are provided. The micro LED display includes a circuit board, a plurality of micro LED devices, and the controller. The micro LED devices are disposed on a first surface of the circuit board. The micro LED devices respectively have a plurality of pixel arrays. The controller is carried by the circuit board and is configured to transmit a plurality of control signals to respectively control display statuses of the pixel arrays of the micro LED devices.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: May 2, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Po-Jen Su, Kun-Hua Tsai
  • Publication number: 20230128274
    Abstract: A micro light emitting diode display device includes a circuit substrate, a plurality of positioning protrusions disposed on the circuit substrate, and a plurality of micro light emitting diodes. Each positioning protrusion has a positioning side surface and a bottom surface. A first angle is included between each positioning side surface and the corresponding bottom surface. The positioning protrusions form positioning spaces on the circuit substrate. The micro light emitting diodes are disposed in the separated positioning spaces and are electrically connected to the circuit substrate. Each micro light emitting diode has a light emitting surface and a side surface. Each light emitting surface is located at a side of the corresponding micro light emitting diode away from the circuit substrate. A second angle is included between each side surface and the corresponding light emitting surface and is less than 90 degrees and greater than or equal to the first angle.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 27, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yu-Yun Lo, Bo-Wei Wu, Chang-Feng Tsai, Shiang-Ning Yang
  • 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
  • Publication number: 20230120789
    Abstract: An exposure apparatus including a micro light emitting diode display unit and a first projection optical system is provided. The micro light emitting diode display unit has a plurality of micro light emitting diodes. The micro light emitting diode display unit is adapted to individually control light emission signals of the micro light emitting diodes and forming a predetermined pattern. The first projection optical system is disposed on a light emitting path of the micro light emitting diode display unit. The first projection optical system is configured to form an exposure pattern on a photosensitive material layer at once by applying the predetermined pattern.
    Type: Application
    Filed: January 24, 2022
    Publication date: April 20, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Po-Wei Chiu, Sheng-Yuan Sun, Yen-Yeh Chen
  • Publication number: 20230112423
    Abstract: A micro LED display panel is provided. The micro LED display panel includes a driving substrate and a plurality of bonding pads disposed on the driving substrate and spaced apart from each other. The micro LED display panel also includes a plurality of micro LED structures electrically connected to the bonding pads. Each micro LED structure includes at least one electrode disposed on the side of the micro LED structure facing the driving substrate. The electrode has a normal contact surface and a side contact surface. The normal contact surface faces the driving substrate, and the side contact surface is laterally connected to the corresponding bonding pad.
    Type: Application
    Filed: January 13, 2022
    Publication date: April 13, 2023
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Shiang-Ning YANG, Yung-Chi CHU, Yu-Yun LO, Bo-Wei WU, Yu-Ya PENG
  • Patent number: 11626549
    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: Grant
    Filed: August 26, 2020
    Date of Patent: April 11, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yi-Ching Chen, Yi-Chun Shih, Pei-Hsin Chen