Patents Assigned to Jade Bird Display (Shanghai) Limited
  • Publication number: 20250140173
    Abstract: An electrostatic discharge (ESD) protection system of a micro device is disclosed in the present disclosure. The ESD protection system includes: a pixel driver circuit electrically connected to at least one micro LED pixel for controlling the turning-on or off of the micro LED pixel; and a first ESD protective unit configured in an external circuit outside the pixel driver circuit. The first ESD protective unit comprises at least a unidirectional transient voltage suppressor. The cathode of the unidirectional transient voltage suppressor is connected to a first level voltage, and the anode of the unidirectional transient voltage suppressor is connected to the second level voltage. The micro LED pixel is connected to the second level voltage. The present disclosure can protect the micro LED pixel from being damaged by the electrostatic discharge. Various embodiments include an ESD protection system of a display panel with a micro-LED pixel array.
    Type: Application
    Filed: February 17, 2022
    Publication date: May 1, 2025
    Applicant: Jade Bird Display (Shanghai) Limited
    Inventors: Chunming LI, Hongyun LIU, Jing JU, Qiming LI
  • Publication number: 20250141222
    Abstract: An electrostatic discharge (ESD) protection system of a micro device is disclosed in the present disclosure. The ESD protection system comprises: a pixel driver circuit, electrically connected to at least one micro LED pixel for controlling the turning-on or off of the micro LED pixel, wherein the micro LED pixel is electrically connected to a second level voltage (Vcom): a first ESD clamp, electrically connected to a first level voltage (Vdd) and the second level voltage (Vcom); and, a second ESD clamp, electrically connected to a third level voltage (Vss) and the second level voltage (Vcom). The present disclosure can protect the micro LED pixel from being damaged by the electrostatic discharge. Various embodiments include an ESD protection system of a display panel with a micro-LED pixel array.
    Type: Application
    Filed: February 17, 2022
    Publication date: May 1, 2025
    Applicant: Jade Bird Display (Shanghai) Limited
    Inventors: Chunming LI, Hongyun LIU, Jing JU, Qiming LI
  • Patent number: 12278307
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer is continuously formed on the whole micro-LED chip, the multiple micro-LEDs sharing the light emitting layer. The micro-LED chip further includes: a top spacer formed on a top surface of the light emitting layer; a bottom spacer formed on a bottom surface of the light emitting layer, wherein an edge of the top spacer is aligned with an edge of the light emitting layer, and an edge of the bottom spacer is aligned with the edge of the light emitting layer.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: April 15, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu
  • Patent number: 12272763
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer is continuously formed on the whole micro-LED chip, the multiple micro-LEDs sharing the light emitting layer. The micro-LED chip further includes: a top spacer formed on a top surface of the light emitting layer; a bottom spacer formed on a bottom surface of the light emitting layer; and an isolation structure formed between adjacent micro-LEDs.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: April 8, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu
  • Patent number: 12272682
    Abstract: A micro multi-color LED device includes two or more LED structures for emitting a range of colors. The two or more LED structures are vertically stacked to combine light from the two more LED structures vertically, and/or horizontally and reflected upward via some reflective structures. In some embodiments, each LED structure is connected to a pixel driver and/or a common electrode. The LED structures are bonded together through bonding layers. In some embodiments, planarization layers enclose each of the LED structures or the micro multi-color LED device. In some embodiments, one or more of reflective layers, refractive layers, micro-lenses, spacers, and reflective cup structures are implemented in the device to improve the LED emission efficiency. A display panel comprising an array of the micro tri-color LED devices has a high resolution and a high illumination brightness.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: April 8, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Qunchao Xu, Huiwen Xu
  • Publication number: 20250113666
    Abstract: A micro LED panel having a micro LED array and the system and method to manufacture the micro LED panel are provided. The micro LED array includes at least one micro LED structure. The micro LED structure at least includes: a mesa structure and a re-growth layer (04). The re-growth layer (04) is grown on at least part of the sidewall of the first type epitaxial layer (01) and on the whole sidewall of the light emitting layer (03), thereby decreasing the non-radiation recombination on the sidewall of the mesa structure and improving the light emitting efficiency.
    Type: Application
    Filed: January 31, 2022
    Publication date: April 3, 2025
    Applicant: Jade Bird Display (Shanghai) Limited
    Inventors: Yuankun ZHU, Anle FANG, Deshuai LIU
  • Publication number: 20250113668
    Abstract: A micro LED panel having a micro LED array and the system and method to manufacture the micro LED panel are provided by the present disclosure. The micro LED array includes at least one micro LED structure. The micro LED structure at least includes: a mesa structure and a photonic crystal structure array. The photonic crystal structure array formed through the mesa structure from top to bottom, thereby realizing higher directional light emission, simpler structure and lower cost.
    Type: Application
    Filed: January 31, 2022
    Publication date: April 3, 2025
    Applicant: Jade Bird Display (Shanghai) Limited
    Inventors: Yuankun ZHU, Shuang ZHAO, Deshuai LIU
  • Publication number: 20250113665
    Abstract: A micro LED panel having a micro LED array and the system and method to manufacture the micro LED panel are provided in the present disclosure. The micro LED array includes at least one micro LED structure. The micro LED structure at least includes: a mesa structure and a re-growth layer. In some embodiments, the mesa structure comprises a light-emitting layer. In some embodiments, the re-growth layer is grown at least on the sidewall of the light-emitting layer. The re-growth layer is not parallel to the extending direction of the light-emitting layer.
    Type: Application
    Filed: January 31, 2022
    Publication date: April 3, 2025
    Applicant: Jade Bird Display (Shanghai) Limited
    Inventors: Yuankun ZHU, Anle FANG, Deshuai LIU
  • Publication number: 20250113667
    Abstract: A micro LED panel having a micro LED array and the system and method to manufacture the micro LED panel are provided according to the present disclosure. The micro LED array includes at least one micro LED structure. The micro LED structure at least includes: a mesa structure and a re-growth layer. In some embodiments, the mesa structure comprises a first type epitaxial layer, a light emitting layer and a second epitaxial layer. In some embodiments, the re-growth layer is grown on at least part of the sidewall of the first type epitaxial layer, the whole sidewall of the light emitting layer and at least part of the sidewall of the second type epitaxial layer. The present disclosure can decrease the non-radiation recombination at the sidewall of the mesa structure and improve the light emitting efficiency of the micro LED structure.
    Type: Application
    Filed: January 31, 2022
    Publication date: April 3, 2025
    Applicant: Jade Bird Display (Shanghai) Limited
    Inventors: Yuankun ZHU, Anle FANG, Deshuai LIU
  • Patent number: 12261241
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer is continuously formed on the whole micro-LED chip, the multiple micro-LEDs sharing the light emitting layer. A profile of the second type conductive layer perpendicularly projected on a top surface of the first type conductive layer is surrounded by an edge of the first type conductive layer.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: March 25, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu
  • Patent number: 12261162
    Abstract: A light-emitting diode (LED) display panel includes a substrate, a driver circuit array on the substrate and including a plurality of pixel driver circuits arranged in an array, an LED array including a plurality of LED dies each being coupled to one of the pixel driver circuits, a micro lens array including a plurality of micro lenses each corresponding to and being arranged over at least one of the LED dies, and an optical spacer formed between the LED array and the micro lens array.
    Type: Grant
    Filed: July 11, 2023
    Date of Patent: March 25, 2025
    Assignee: Jade Bird Display (Shanghai) Limited
    Inventors: Lei Zhang, Fang Ou, Qiming Li
  • Patent number: 12255185
    Abstract: A single pixel multi-color LED device includes two or more LED structures for emitting a range of colors. The two or more LED structures are horizontally formed as sub-pixels to combine light. In some embodiments, two or more light emitting layers are formed on a substrate with integrated circuits and the two or more light emitting layers are bonded together with bonding layers. In some embodiments, the two or more LED structures are formed by utilizing a respective top light emitting layer of the respective LED structure and by removing extra top light emitting layer(s) with the respective LED structure. In some embodiments, the up and down orientation of the P-type region and the N-type region within the first light emitting layer is different from the up and down orientation of the P-type region and the N-type region within the second light emitting layer.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: March 18, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qunchao Xu, Qiming Li
  • Patent number: 12243956
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer is continuously formed on the whole micro-LED chip, the multiple micro-LEDs sharing the light emitting layer. The micro-LED chip further includes: a top spacer formed on a top surface of the light emitting layer; a bottom spacer formed on a bottom surface of the light emitting layer; and an isolation structure formed between adjacent micro-LEDs.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: March 4, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu
  • Patent number: 12243958
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer is continuously formed on the whole chip, the multiple micro-LEDs sharing the light emitting layer. An isolation structure is formed between adjacent micro-LEDs, at least a portion of the isolation structure being formed in the light emitting layer. A top surface of the isolation structure is aligned with a top of the light emitting layer, and a bottom surface of the isolation structure is under the light emitting layer.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: March 4, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu
  • Patent number: 12243957
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer is continuously formed on the whole micro-LED chip, the multiple micro-LEDs sharing the light emitting layer. An isolation structure is formed between adjacent micro-LEDs, at least a portion of the isolation structure being formed in the light emitting layer. A top surface of the isolation structure is above the light emitting layer, and a bottom surface of the isolation structure is under the light emitting layer.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: March 4, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu
  • Patent number: 12230734
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer is continuously formed on the whole micro-LED chip, the multiple micro-LEDs sharing the light emitting layer.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: February 18, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu
  • Patent number: 12230733
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer is continuously formed on the whole micro-LED chip, and the multiple micro-LEDs sharing the light emitting layer. An isolation structure is formed between adjacent micro-LEDs, at least a portion of the isolation structure being formed in the light emitting layer. A bottom surface of the isolation structure is aligned with a bottom of the light emitting layer, and a top surface of the isolation structure is aligned with a top surface of the light emitting layer.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: February 18, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu
  • Patent number: 12223879
    Abstract: A micro display controlling system includes a data interface, a data decoder, a memory-write controller, a frame-memory controller including at least two frame memories, at least one color-display panel, a data processor including at least two data formatting processors, and a data output interface including at least two sub-output interfaces.
    Type: Grant
    Filed: March 15, 2024
    Date of Patent: February 11, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Jing Ju, Hongyun Liu, Chunming Li
  • Patent number: 12224373
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer, at least one part of the light emitting layer being formed between adjacent micro-LEDs. the micro-LED chip further comprises a metal layer formed on the light emitting layer between the adjacent micro-LEDs.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: February 11, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu, Jian Guo
  • Patent number: 12224374
    Abstract: A micro-LED chip includes multiple micro-LEDs. At least one micro-LED of the multiple micro-LEDs includes: a first type conductive layer; a second type conductive layer stacked on the first type conductive layer; and a light emitting layer formed between the first type conductive layer and the second type conductive layer. The light emitting layer extends along a horizontal level from a top edge of the first type conductive layer and a bottom edge of the second type conductive layer. The micro-LED chip further includes a metal layer formed on a portion of the light emitting layer that extends from the second type conductive layer.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: February 11, 2025
    Assignee: JADE BIRD DISPLAY (SHANGHAI) LIMITED
    Inventors: Qiming Li, Yuankun Zhu, Anle Fang, Deshuai Liu, Jian Guo