Patents Assigned to PlayNitride Display Co., Ltd.
  • Publication number: 20220302340
    Abstract: A micro light emitting diode panel is provided. The micro light emitting diode panel includes a circuit substrate, a plurality of transistor devices and a plurality of micro light emitting diode devices. The transistor devices are bonded to the circuit substrate. Each of the transistor devices has a semiconductor pattern, a source electrode, a drain electrode and a gate electrode. The source electrode and the drain electrode are electrically connected to the semiconductor pattern. The source electrode, the drain electrode, and the gate electrode are located between the semiconductor pattern and the circuit substrate. The electron mobility of the semiconductor pattern is greater than 20 cm2/V·s. The micro light emitting diode devices are bonded to the circuit substrate, and are electrically connected to the transistor devices respectively.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Ying-Tsang Liu, Chih-Ling Wu
  • Patent number: 11450796
    Abstract: A micro light emitting diode display panel is provided, which includes a substrate, a plurality of first signal lines, a plurality of transparent conductive patterns, a plurality of metal conductive patterns, a plurality of first pads, a plurality of second pads, and a plurality of micro light emitting diode devices. The first signal lines are disposed on the substrate. The transparent conductive patterns are separately distributed on the substrate. The metal conductive patterns and the transparent conductive patterns are alternately arranged on the substrate. The metal conductive patterns are electrically connected between the transparent conductive patterns. The first pads are respectively connected to the first signal lines. The second pads are electrically connected to the transparent conductive patterns. Each of the micro light emitting diode devices is electrically bonded to one of the first pads and one of the second pads.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: September 20, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yin-En Wu, Kuan-Yung Liao
  • Publication number: 20220293819
    Abstract: A light-emitting element including an epitaxial structure and a light guide structure is provided. The epitaxial structure has a first surface and a second surface opposite to each other and includes an active layer. The light guide structure is disposed on the first surface of the epitaxial structure and includes a first light reflection layer and a filter layer covering on an upper surface of the first light reflection layer. The first light reflection layer completely covers the first surface. A display panel is also provided.
    Type: Application
    Filed: April 28, 2021
    Publication date: September 15, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Tzu-Yang Lin, Yen-Chun Tseng
  • Publication number: 20220285600
    Abstract: A micro light emitting device display apparatus including a substrate, a plurality of micro light emitting devices, an isolation layer, and at least one first air gap is provided. The substrate has a plurality of connection pads. The micro light emitting devices are discretely disposed on the substrate. The isolation layer is disposed between the substrate and each of the micro light emitting devices. The at least one first air gap is disposed between the substrate and a surface of the isolation layer facing the substrate.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 8, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Chih-Ling Wu, Yen-Yeh Chen, Yi-Min Su, Yi-Chun Shih
  • Publication number: 20220271209
    Abstract: A semiconductor structure includes a substrate, a plurality of micro semiconductor devices and a fixing structure. The micro semiconductor devices are disposed on the substrate. The fixing structure is disposed between the substrate and the micro semiconductor devices. The fixing structure includes a plurality of conductive layers and a plurality of supporting layers. The conductive layers are disposed on the lower surfaces of the micro semiconductor devices. The supporting layers are connected to the conductive layers and the substrate. The material of each of the conductive layers is different from the material of each of the supporting layers.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 25, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Shiang-Ning YANG, Chih-Ling WU, Yi-Min SU, Bo-Wei WU
  • Publication number: 20220262688
    Abstract: Micro device optical inspection and repairing equipment adopting an adhesion device is provided. The micro device optical inspection and repairing equipment includes a carrying stage, an optical inspection module and at least one adhesion device. The optical inspection module is arranged corresponding to the carrying stage so as to capture image information and obtain a position coordinate from the image information. The adhesion device includes a main body and an adhesive portion. The adhesive portion is connected to the main body. The adhesion device can move to a target position of the carrying stage according to the position coordinate. The main body is adapted to drive the adhesive portion to move to the target position along a moving axis. An optical inspection and repairing method adopting the micro device optical inspection and repairing equipment is also provided.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 18, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventor: Cheng-Cian Lin
  • 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: 11411136
    Abstract: A micro light-emitting diode (micro-LED) chip adapted to emit a red light or an infrared light is provided. The micro-LED chip includes a GaAs epitaxial structure layer, a first electrode, and a second electrode. The GaAs epitaxial structure layer includes an N-type contact layer, a tunneling junction layer, a P-type semiconductor layer, a light-emitting layer, an N-type semiconductor layer, and an N-type window layer along a stacking direction. The first electrode electrically contacts the N-type contact layer. The second electrode electrically contacts the N-type window layer.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: August 9, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Tzu-Wen Wang, Hsin-Chiao Fang
  • Patent number: 11411141
    Abstract: A micro semiconductor device, including a semiconductor structure, a current confinement layer, a first type electrode, and a second type electrode, is provided. The current confinement layer is disposed in the semiconductor structure. The current confinement layer includes an oxidized area and a non-oxidized area. The first type electrode and the second type electrode are both disposed on the current confinement layer. An orthographic projection of a part of the oxidized area on a bottom surface of the semiconductor structure away from the first type electrode and the second type electrode is located between an orthographic projection of the first type electrode on the bottom surface and an orthographic projection of the second type electrode on the bottom surface.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: August 9, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yen-Chun Tseng, Tzu-Yang Lin, Jyun-De Wu, Yi-Chun Shih
  • Publication number: 20220246671
    Abstract: A micro light-emitting diode display panel includes a substrate, at least one light-emitting element, a reflective layer and a light-absorbing layer. The at least one light-emitting element is disposed on the substrate to define at least one pixel, and each light-emitting element includes micro light-emitting diodes. The reflective layer is disposed on the substrate and located between the micro light-emitting diodes. The reflective layer has cavities surrounding the micro light-emitting diodes, such that a thickness of a portion of the reflective layer close to any one of the micro light-emitting diodes is greater than a thickness of a portion of the reflective layer away from the corresponding micro light-emitting diode. The light-absorbing layer is at least disposed in the cavities of the reflective layer.
    Type: Application
    Filed: March 31, 2021
    Publication date: August 4, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Sheng-Yuan Sun, Loganathan Murugan, Po-Wei Chiu, Yun-Li Li
  • Publication number: 20220246798
    Abstract: A micro light emitting diode including an epitaxy layer, a first pad, a second pad, a first ohmic contact metal, a second ohmic contact metal and at least one etch protection conductive layer is provided. The first pad and the second pad are electrically connected to a first type semiconductor layer and a second type semiconductor layer of the epitaxy layer, respectively. The first ohmic contact metal is disposed between the first type semiconductor layer and the first pad. The second ohmic contact metal is disposed between the second type semiconductor layer and the second pad. The at least one etch protection conductive layer is disposed between the first ohmic contact metal and the first pad and/or between the second ohmic contact metal and the second pad. A display panel is also provided.
    Type: Application
    Filed: March 25, 2021
    Publication date: August 4, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Tzu-Yang Lin, Yen-Chun Tseng, Yun-Syuan Chou, Fei-Hong Chen, Pai-Yang Tsai, Jian-Zhi Chen
  • Publication number: 20220246794
    Abstract: A micro light-emitting diode (LED) display panel including a substrate, a first micro LED, a first light-shielding wall, a second micro LED, and a second light-shielding wall is provided. The substrate includes a plurality of pixel regions arranged in an array. The first micro LED is disposed on one of the pixel regions of the substrate. The first light-shielding wall is disposed on the substrate and located beside the first micro LED. The second micro LED is disposed on the one of the pixel regions of the substrate and located beside the first micro LED. The second light-shielding wall is disposed on the substrate and located beside the second micro LED. A light wavelength of the first micro LED is different from a light wavelength of the second micro LED. A height of the first light-shielding wall is smaller than a height of the second light-shielding wall.
    Type: Application
    Filed: August 23, 2021
    Publication date: August 4, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Sheng-Yuan Sun, LOGANATHAN MURUGAN, Po-Wei Chiu
  • Publication number: 20220246799
    Abstract: A micro light-emitting diode including an epitaxy structure, a first pad, a first ohmic contact layer and a current conducting layer is provided. The epitaxy structure includes a first type semiconductor layer, a second type semiconductor layer and an active layer. The first pad is electrically connected to the first type semiconductor layer. The first ohmic contact layer is electrically connected between the first type semiconductor layer and the first pad. The current conducting layer is electrically connected between the first ohmic contact layer and the first pad. At least a portion of the orthogonal projection of the first ohmic contact layer on the plane upon which the first type semiconductor layer is located is away from the orthogonal projection of the first pad on the plane. A display panel is also provided.
    Type: Application
    Filed: September 12, 2021
    Publication date: August 4, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Jian-Zhi Chen, Pai-Yang Tsai, Fei-Hong Chen, Yen-Chun Tseng
  • Publication number: 20220246800
    Abstract: A micro-light-emitting diode chip includes an epitaxial structure, an electrode, a transparent structure, and a reflection layer. The epitaxial structure has a light exit surface, a back surface opposite to the light exit surface, and a sidewall surface. The sidewall surface is connected to the light exit surface and the back surface. The electrode is electrically coupled to the epitaxial structure. The transparent structure has an inner surface and an outer surface opposite to the inner surface. The inner surface is connected to the sidewall surface. A distance between the outer surface and the inner surface on a plane where the back surface is located is less than a distance between the outer surface and the inner surface on a plane where the light exit surface is located. The reflection layer is in direct contact with the outer surface. A micro-light-emitting diode display is also provided.
    Type: Application
    Filed: September 13, 2021
    Publication date: August 4, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Sheng-Yuan Sun, LOGANATHAN MURUGAN, Po-Wei Chiu
  • Patent number: 11393959
    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: Grant
    Filed: December 10, 2019
    Date of Patent: July 19, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Chih-Ling Wu
  • Patent number: 11393946
    Abstract: The present invention discloses a micro LED structure including a first semiconductor layer, a first electrode, a second electrode, and an active layer. The first semiconductor layer has two opposite sides defined as a first surface and a second surface. The first semiconductor layer has a doped region located therein and exposed on the first surface. A pn junction is formed between the doped region and the first semiconductor layer. The first electrode and the second electrode, located on the first surface, are capable of electrically connecting to the first semiconductor layer and the doped region respectively. The active layer is adjacent to the second surface. Wherein the first semiconductor layer is a first doping type, and the doped region is a second doping type different from the first doping type, and the first semiconductor layer and the pn junction are located at identical side of the active layer.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: July 19, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yen-Chun Tseng, Tzu-Yang Lin, Yi-Chun Shih
  • Patent number: 11392007
    Abstract: A display apparatus including a reflective display panel and a micro light-emitting diode panel is provided. The display apparatus has a display surface and the reflective display panel has a reflective surface. The micro light-emitting diode panel is overlapped with the reflective display panel and includes a driving circuit layer and a plurality of light-emitting diode devices. The driving circuit layer is positioned between the reflective display panel and the display surface. The micro light-emitting diode devices are electrically bonded to the driving circuit layer. The display surface and the reflective surface are respectively disposed on two opposite sides of the micro light-emitting diode devices and the transmittance of the micro light-emitting diode panel within a wavelength range of visible light is higher than 50%.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: July 19, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yun-Li Li, Kuan-Yung Liao
  • Patent number: 11387387
    Abstract: A micro light emitting device display apparatus including a circuit substrate, a plurality of micro light emitting devices, a first common electrode layer, and a second common electrode layer is provided. The micro light emitting devices are disposed on the circuit substrate and individually include an epitaxial structure and a first-type electrode and a second-type electrode respectively disposed on two side surfaces of the epitaxial structure opposite to each other. The first common electrode layer is disposed on the circuit substrate and directly covers the plurality of first-type electrodes of the micro light emitting devices. The second common electrode layer is disposed between the micro light emitting devices. The first common electrode layer is electrically connected to the second common electrode layer.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: July 12, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Chih-Ling Wu, Yen-Yeh Chen, Yi-Min Su, Yi-Chun Shih, Bo-Wei Wu, Yu-Yun Lo, Ying-Ting Lin, Tzu-Yang Lin
  • Patent number: 11387394
    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: Grant
    Filed: December 10, 2019
    Date of Patent: July 12, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Chih-Ling Wu
  • Publication number: 20220216365
    Abstract: A manufacturing method of an electronic element module is provided. The method includes: disposing a plurality of first microelectronic elements on a first temporary substrate; and replacing at least one defective microelectronic element of the first microelectronic elements with at least one second microelectronic element. The first microelectronic elements and at least one second microelectronic element are distributed on the first temporary substrate. The first microelectronic elements and at least one second microelectronic element have same properties, and at least one of the appearance difference, the height difference and the orientation difference exists between the first microelectronic elements and at least one second microelectronic element. A semiconductor structure and a display panel are also provided.
    Type: Application
    Filed: May 19, 2021
    Publication date: July 7, 2022
    Applicant: PlayNitride Display Co., Ltd.
    Inventors: Bo-Wei Wu, Yu-Yun Lo, Chien-Chen Kuo, Chang-Feng Tsai, Tzu-Yang Lin