Patents by Inventor Quanbo Zou

Quanbo Zou 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: 10586886
    Abstract: A micro-LED (3r) transfer method and a manufacturing method are disclosed. The micro-LED (3r) transfer method comprises: forming a sacrificial post (4) on a micro-LED (3r) to be picked-up on a carrier substrate (1); bonding the micro-LED (3r) to be picked-up with a pickup substrate (5) via the sacrificial post (4); lifting-off the micro-LED (3r) to be picked-up from the carrier substrate (1); bonding the micro-LED (3r) on the pickup substrate (5) with a receiving substrate (12); and lifting-off the micro-LED (3r) from the pickup substrate (5). A complicated pickup head is not necessary, and the technical solution is relatively simple.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: March 10, 2020
    Assignee: GOERTEK, INC.
    Inventor: Quanbo Zou
  • Publication number: 20200075560
    Abstract: A method for transferring micro-light emitting diodes, a micro-light emitting diode device and an electronic device. The method for transferring micro-light emitting diodes comprises: providing bumps of bonding agent on electrode bonding pads of a receiving substrate and/or on micro-light emitting diodes of an original substrate; aligning and contacting the electrode bonding pads of the receiving substrate and the micro-light emitting diodes of the original substrate, to position the bumps of bonding agent between the micro-light emitting diodes and the electrode bonding pads; irradiating locally by using a first laser from the original substrate side, to melt the bumps of bonding agent to bond the micro-light emitting diodes and the electrode bonding pads; and stripping off the micro-light emitting diodes from the original substrate, to transfer the micro-light emitting diodes to the receiving substrate.
    Type: Application
    Filed: June 15, 2017
    Publication date: March 5, 2020
    Applicant: GOERTEK INC.
    Inventors: Quanbo ZOU, Peixuan CHEN
  • Patent number: 10566494
    Abstract: A micro-LED transfer method and a manufacturing method are disclosed. The micro-LED transfer method comprises: coating a sacrificial layer on a carrier substrate, wherein micro-LEDs are bonded on the carrier substrate through a first bonding layer (S1100); patterning the sacrificial layer to expose micro-LEDs to be picked up (S1200); bonding the micro-LEDs to be picked up with a pickup substrate through a second bonding layer (S1300); removing the sacrificial layer by undercutting (S1400); lifting-off the micro-LEDs to be picked up from the carrier substrate (S1500); bonding the micro-LEDs on the pickup substrate with a receiving substrate through a third bonding layer (S1600); and lifting-off the micro-LEDs from the pickup substrate (S1700).
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: February 18, 2020
    Assignee: Goertek Inc.
    Inventor: Quanbo Zou
  • Publication number: 20200039817
    Abstract: The present invention discloses a MEMS device and an electronics apparatus. The MEMS device comprises: a substrate; a MEMS element placed on the substrate; a cover encapsulating the MEMS element together with the substrate; and a port for the MEMS element to access outside, wherein the port is provided with a filter which has mesh holes and includes electrets to prevent particles from entering into the MEMS element.
    Type: Application
    Filed: October 8, 2016
    Publication date: February 6, 2020
    Inventors: QUANBO ZOU, ZHE WANG, YOU WANG, XIANBIN WANG
  • Publication number: 20200039816
    Abstract: An MEMS microphone device and an electronics apparatus are provided. The MEMS microphone device comprises: a substrate; a MEMS microphone element placed on the substrate; a cover encapsulating the MEMS microphone element together with the substrate; and an acoustic port for the MEMS microphone element, wherein a compliant membrane is provided to seal the acoustic port, and the membrane has a mechanical stiffness lower than that of the diaphragm of the MEMS microphone element.
    Type: Application
    Filed: October 8, 2016
    Publication date: February 6, 2020
    Inventor: QUANBO ZOU
  • Publication number: 20200014892
    Abstract: The present disclosure provides a laser projection device and a laser projection system. The laser projection device comprises an optical fiber scanner and a MEMS scanning mirror; an optical fiber is disposed on the optical fiber scanner and the optical fiber is used to deliver laser beams needed by projection; the optical fiber scanner drives the optical fiber to scan in a first plane and enables the laser beam to project to the MEMS scanning mirror; and the MEMS scanning mirror makes scanning movement about a first axis and reflects the laser beam to a predetermined area to form a projection image; wherein the first axis is located in the first plane, or the first axis is parallel to the first plane. The present disclosure achieves laser projection by enabling the optical fiber scanner and the MEMS scanning mirror to scan simultaneously in different directions.
    Type: Application
    Filed: March 7, 2017
    Publication date: January 9, 2020
    Applicant: GOERTEK INC.
    Inventors: Zhe Wang, Xiaoyang Zhang, Quanbo Zou
  • Publication number: 20200006924
    Abstract: A micro laser diode display device and an electronics apparatus are disclosed. The micro laser diode display device comprises: a substrate (213)/receiving substrate (513). wherein first type electrodes (214, 514) are arranged on the substrate (213)/receiving substrate (513); a micro laser diode (200r, 200g, 200b, 400r, 400g, 400b, 500r, 500g, 500b) array of at least one color bonded on the substrate (213)/receiving substrate (513), wherein a first side of micro laser diodes (200r, 200g, 200b, 400r, 400g, 400b, 500r, 500g, 500b) in the micro laser diode array is connected to the first type electrodes (214, 514); and second type electrodes (211, 311, 511) connected to a second side of the micro laser diodes (200r, 200g, 200b, 400r, 400g, 400b, 500r, 500g, 500b).
    Type: Application
    Filed: December 5, 2016
    Publication date: January 2, 2020
    Applicant: Goertek, Inc.
    Inventors: Quanbo Zou, Zhe Wang
  • Publication number: 20190386454
    Abstract: A micro laser diode transfer method and a manufacturing method comprise: forming a bonding layer (515) on a receiving substrate (513), wherein first type electrodes (514) are connected to the bonding layer (515); bringing a first side of the micro laser diodes (500r) on a carrier substrate (520) into contact with the bonding layer (515), wherein the carrier substrate (520) is laser-transparent; and irradiating selected micro laser diodes (500r) with laser from the side of the carrier substrate (520) to lift-off the selected micro laser diodes (500r) from the carrier substrate (520). This method may improve yield.
    Type: Application
    Filed: December 5, 2016
    Publication date: December 19, 2019
    Applicant: Goertek, Inc.
    Inventors: Quanbo Zou, Zhe Wang
  • Publication number: 20190334060
    Abstract: The present invention discloses a micro-LED with vertical structure, display device, electronics apparatus and manufacturing method. The micro-LED with vertical structure comprises: a bottom electrode bonded on a display substrate; a first type doped region provided above the bottom electrode; a second type doped region provided above the first type doped region; and a side-contact electrode covering at least one part of a peripheral of the second type doped region.
    Type: Application
    Filed: November 6, 2016
    Publication date: October 31, 2019
    Inventors: QUANBO ZOU, PEIXUAN CHEN, XIANGXU FENG
  • Publication number: 20190319165
    Abstract: A micro-LED transfer method and manufacturing method. The micro-LED (303) transfer method comprises: bringing pickup units (305) of a transfer head in contact with micro-LEDs (303) on a carrier substrate (301), wherein the pickup units (305) are able to apply current to the micro-LEDs (303); applying current to the micro-LEDs (303) via the pickup units (305) to heat up bonding layers (302) between the micro-LEDs (303) and the carrier substrate (301) to be melted; picking up the micro-LEDs (303) from the carrier substrate (301) with the transfer head; bonding the micro-LEDs (303) onto a receiving substrate (307); and removing the transfer head from the micro-LEDs.
    Type: Application
    Filed: November 7, 2016
    Publication date: October 17, 2019
    Inventor: QUANBO ZOU
  • Publication number: 20190319164
    Abstract: Disclosed a micro-LED transfer method and manufacturing method. The micro-LED transfer method comprises: bringing pickup units (305, 605, 705) of a transfer head in contact with micro-LEDs (303, 603, 703) on a carrier substrate (301, 601, 701), wherein the pickup units (305, 605, 705) are able to apply current to the micro-LEDs (303, 603, 703); applying current to the micro-LEDs (303, 603, 703) via the pickup units (305, 605, 705) to obtain I-V characteristics of the micro-LEDs (303, 603, 703); determining known-good-die micro-LEDs based on the I-V characteristics; and transferring the known-good-die micro-LEDs from the carrier substrate to a receiving substrate (307, 608, 708) by using the transfer head.
    Type: Application
    Filed: November 7, 2016
    Publication date: October 17, 2019
    Inventor: QUANBO ZOU
  • Publication number: 20190306629
    Abstract: The present invention discloses a condenser MEMS microphone and an electronic apparatus. The condenser MEMS microphone comprises: a substrate; a bottom plate placed on the substrate; and a top plate placed above the bottom plate and spaced from the bottom plate, wherein the top plate is torsional with respect to a first torsional axis and is divided into a first part and a second part by the first torsional axis, the first part and the second part form two condensers with the bottom plate, and a first group of acoustic holes are provided in the first part of the top plate. According to an embodiment of this invention, a novel condenser MEMS microphone of two layers is provided.
    Type: Application
    Filed: July 11, 2016
    Publication date: October 3, 2019
    Inventor: Quanbo ZOU
  • Patent number: 10433088
    Abstract: Provided is a PCB speaker and a method for micromachining the speaker diaphragm on PCB substrate, the method for micromachining the speaker diaphragm on PCB substrate comprises: providing metal paths and at least one through hole on the PCB substrate; providing a patterned sacrificial layer on the PCB substrate, the sacrificial layer covering all the through holes on the PCB substrate; providing a diaphragm layer on the sacrificial layer through depositing, mounting or laminating, the diaphragm layer covering the sacrificial layer and electrically connected with the metal paths on the PCB substrate, thereby forming a diaphragm layer; and releasing the sacrificial layer and the diaphragm layer remains. With the micromachining method for the above PCB substrate and the diaphragm, the production cost of the speaker can be lowered, and the reliability of the product can be improved at the same time.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: October 1, 2019
    Assignee: GOERTEK INC.
    Inventor: Quanbo Zou
  • Patent number: 10433042
    Abstract: A MEMS multi-module assembly, manufacturing method, and electronics apparatus are disclosed herein. The MEMS multi-module assembly comprises: a first die having a first hole; and a second die stacked on the first die, having a second MEMS device, wherein the second MEMS device is connected outside via the first hole.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: October 1, 2019
    Assignee: Goertek Inc.
    Inventor: Quanbo Zou
  • Publication number: 20190297427
    Abstract: The present invention discloses a MEMS microphone and an electronic apparatus. The MEMS microphone comprises: a pressure sensing element, for sensing pressure applied thereon; a diaphragm attached to the pressure sensing element and applying pressure to the pressure sensing element; and a backbone attached to the pressure sensing element and supporting the pressure sensing element.
    Type: Application
    Filed: July 11, 2016
    Publication date: September 26, 2019
    Inventor: Quanbo ZOU
  • Patent number: 10412491
    Abstract: The present invention discloses a band-pass acoustic filter and an acoustic sensing apparatus. The band-pass acoustic filter including at least two MEMS microphone chips and an ASIC chip, wherein the output signals of the MEMS microphone chips are processed in the ASIC chip after being coupled.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: September 10, 2019
    Assignee: GOERTEK, INC.
    Inventor: Quanbo Zou
  • Publication number: 20190267426
    Abstract: A micro-LED transfer method, manufacturing method and device are provided. The micro-LED transfer method comprises: obtaining a laser-transparent carrier substrate having a first surface and a second surface with micro-LEDs; forming a protection layer on at least one of the first surface and the second surface and a third surface of a receiving substrate, wherein the third surface is to receive the micro-LEDs to be transferred via pads; bringing the micro-LEDs to be transferred into contact with the pads on the third surface; and irradiating the micro-LEDs to be transferred with laser from the first surface to lift-off the micro-LEDs to be transferred from the carrier substrate, wherein the protection layer is configured to protect the third surface from the irradiation of the laser.
    Type: Application
    Filed: August 22, 2016
    Publication date: August 29, 2019
    Inventors: Quanbo ZOU, Peixuan CHEN, Xiangxu FENG
  • Patent number: 10388634
    Abstract: A micro-LED transfer method, manufacturing method and display device are disclosed. The method comprises: coating conductive photoresist on a receiving substrate, wherein the conductive photoresist is positive-tone photoresist; bonding a carrier substrate with the receiving substrate via the conductive photoresist, wherein metal electrodes of micro-LEDs on the carrier substrate are aligned with electrodes on the receiving substrate and are bonded with the electrodes on the receiving substrate via the conductive photoresist, and the carrier substrate is a transparent substrate; selectively lifting-off micro-LEDs from the carrier substrate through laser lifting-off using a first laser; and separating the carrier substrate from the receiving substrate.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: August 20, 2019
    Assignee: Goertek, Inc.
    Inventor: Quanbo Zou
  • Publication number: 20190237618
    Abstract: A display device and an electronics apparatus are provided. The display device comprises: a display substrate; and arrays of light-emitting elements on the display substrate, wherein the light-emitting elements include at least two types of electroluminescent quantum-dot LED, photoluminescent quantum-dot LED and micro-LED, wherein at least one type of the light-emitting elements is an electroluminescent quantum-dot LED, or at least two types of the light-emitting elements are micro-LED.
    Type: Application
    Filed: October 8, 2016
    Publication date: August 1, 2019
    Inventors: QUANBO ZOU, DENIO WENG, PEIXUAN CHEN, XIANGXU FENG
  • Publication number: 20190229234
    Abstract: A display device and an electronics apparatus, the display device comprises: a display substrate; and at least two stacked layers on the display substrate, wherein each stacked layer includes one micro-LED array.
    Type: Application
    Filed: October 8, 2016
    Publication date: July 25, 2019
    Inventors: QUANBO ZOU, ZHE WANG, PEIXUAN CHEN, XIANGXU FENG