Patents by Inventor Kai-yu JIANG

Kai-yu JIANG 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: 10972840
    Abstract: A speaker includes a circuit board, a peripheral wall, a diaphragm, at least one support member and at least one piezoelectric actuator. The peripheral wall is located on a surface of the circuit board. The diaphragm has an outer boundary attached to the peripheral wall. The diaphragm, the peripheral wall and the circuit board collectively form a chamber. The at least one support member protrudes from the surface of the circuit board and is located within the chamber. The at least one piezoelectric actuator is located on a top of the at least one support member and electrically driven to cause a vibration of the diaphragm under applied electrical bias.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: April 6, 2021
    Assignee: MERRY ELECTRONICS (SHENZHEN) CO., LTD.
    Inventors: Jen-Yi Chen, Yueh-Kang Lee, Kai-Yu Jiang, Chao-Sen Chang
  • Patent number: 10710868
    Abstract: A MEMS sensor including an electrode plate, a diaphragm structure, a support structure, and a pressure relief film. The electrode plate has a conductive portion. The diaphragm structure is disposed at a side of the electrode plate with an interval, and has a sensing film. The support structure is disposed between the diaphragm structure and the electrode plate, and surrounds an electrical coupling zone and a gas flow zone. The support structure includes an inner wall and an outer wall. An outer edge of the gas flow zone is surrounded by the inner wall. An outer edge of the electrical coupling zone is surrounded by the outer wall. The pressure relief film covers the gas flow zone.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: July 14, 2020
    Assignee: Merry Electronics (Shenzhen) Co., Ltd.
    Inventors: Kai-Yu Jiang, Jen-Yi Chen, Chao-Sen Chang
  • Patent number: 10680535
    Abstract: A vertical comb-drive actuator comprising a support base and a movable body is described. The support base comprises first comb electrodes and a first surface wherein the first comb electrodes extend from the first surface. The movable body attached to the support base comprises second comb electrodes and a second surface wherein the second comb electrodes extend from the second surface. The movable body may rotate about a rotation axis and the first comb electrodes are interdigitated with the second comb electrodes correspondingly. The second comb electrodes extend along a first direction, the rotation axis extends along a second direction, and the first comb electrodes extend along a third direction. The distance between the first lateral face of the first comb electrode and the second surface is shorter than the second length defined as the distance between the end surface of the second comb electrode and the second surface.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: June 9, 2020
    Assignee: OPUS MICROSYSTEMS CORPORATION
    Inventors: Chang-li Hung, Ta-wei Lin, Kai-yu Jiang
  • Publication number: 20200177996
    Abstract: A speaker includes a circuit board, a peripheral wall, a diaphragm, at least one support member and at least one piezoelectric actuator. The peripheral wall is located on a surface of the circuit board. The diaphragm has an outer boundary attached to the peripheral wall. The diaphragm, the peripheral wall and the circuit board collectively form a chamber. The at least one support member protrudes from the surface of the circuit board and is located within the chamber. The at least one piezoelectric actuator is located on a top of the at least one support member and electrically driven to cause a vibration of the diaphragm under applied electrical bias.
    Type: Application
    Filed: June 26, 2019
    Publication date: June 4, 2020
    Inventors: Jen-Yi CHEN, Yueh-Kang LEE, Kai-Yu JIANG, Chao-Sen CHANG
  • Publication number: 20200131024
    Abstract: A MEMS sensor including an electrode plate, a diaphragm structure, a support structure, and a pressure relief film. The electrode plate has a conductive portion. The diaphragm structure is disposed at a side of the electrode plate with an interval, and has a sensing film. The support structure is disposed between the diaphragm structure and the electrode plate, and surrounds an electrical coupling zone and a gas flow zone. The support structure includes an inner wall and an outer wall. An outer edge of the gas flow zone is surrounded by the inner wall. An outer edge of the electrical coupling zone is surrounded by the outer wall. The pressure relief film covers the gas flow zone.
    Type: Application
    Filed: January 31, 2019
    Publication date: April 30, 2020
    Applicant: Merry Electronics(Shenzhen) Co., Ltd.
    Inventors: Kai-Yu Jiang, Jen-Yi Chen, Chao-Sen Chang
  • Patent number: 10638235
    Abstract: A MEMS speaker including a base, a circuit board, a spacing layer, a vibration mold, and at least one actuator. The base has a first chamber. The circuit board is disposed on the base, and has at least one support portion and a fixing portion disposed around the support portion. The at least one support portion has a first perforation, and a plurality of second perforations are formed between the at least one support portion and the fixing portion. The spacing layer is disposed on the circuit board. A second chamber is formed between the spacing layer and the circuit board. The vibration mold is disposed on the spacing layer. The actuator is disposed on the support portion of the circuit board. The actuator has a shift part and a deformation part disposed above the first perforation of the support portion. The second perforations communicate with the first chamber and the second chamber.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: April 28, 2020
    Assignee: Merry Electronics (Shenzhen) Co., Ltd.
    Inventors: Jen-Yi Chen, Chao-Sen Chang, Kai-Yu Jiang
  • Patent number: 10609491
    Abstract: A speaker includes a diaphragm and a MEMS actuator. The MEMS actuator includes a coupling member attached to the diaphragm and at least one closed cantilever ring that is surrounded around and connected to the coupling member by plural first bridge members, wherein the closed cantilever ring is configured to be electrically-biased to cause an axial movement of the coupling member and the diaphragm.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: March 31, 2020
    Assignee: MERRY ELECTRONICS (SHENZHEN) CO., LTD.
    Inventors: Kai-Yu Jiang, Jen-Yi Chen, Vel Sankar Ramachandran
  • Publication number: 20200092655
    Abstract: A speaker includes a diaphragm and a MEMS actuator. The MEMS actuator includes a coupling member attached to the diaphragm and at least one closed cantilever ring that is surrounded around and connected to the coupling member by plural first bridge members, wherein the closed cantilever ring is configured to be electrically-biased to cause an axial movement of the coupling member and the diaphragm.
    Type: Application
    Filed: March 11, 2019
    Publication date: March 19, 2020
    Inventors: Kai-Yu JIANG, Jen-Yi CHEN, Vel Sankar RAMACHANDRAN
  • Publication number: 20200059734
    Abstract: A MEMS speaker including a base, a circuit board, a spacing layer, a vibration mold, and at least one actuator. The base has a first chamber. The circuit board is disposed on the base, and has at least one support portion and a fixing portion disposed around the support portion. The at least one support portion has a first perforation, and a plurality of second perforations are formed between the at least one support portion and the fixing portion. The spacing layer is disposed on the circuit board. A second chamber is formed between the spacing layer and the circuit board. The vibration mold is disposed on the spacing layer. The actuator is disposed on the support portion of the circuit board. The actuator has a shift part and a deformation part disposed above the first perforation of the support portion. The second perforations communicate with the first chamber and the second chamber.
    Type: Application
    Filed: October 17, 2018
    Publication date: February 20, 2020
    Applicant: Merry Electronics(Shenzhen) Co., Ltd.
    Inventors: Jen-Yi Chen, Chao-Sen Chang, Kai-Yu Jiang
  • Patent number: 10536780
    Abstract: A piezoelectric transducer including a substrate, a piezoelectric layer and a stiffening structure is provided. The substrate has a chamber. The piezoelectric layer has a displacement zone, a plurality of sensing zones, a plurality of gaps, a plurality of top electrodes, and a plurality of bottom electrodes. The displacement zone is located over the chamber. The sensing zones are surroundingly connected to an outer edge of the displacement zone and are located over the chamber. The gaps are each formed between any adjacent two of the plurality of sensing zones, and each of the gaps communicates with the chamber. The top electrodes are each disposed on a top surface of each of the sensing zones. The bottom electrodes are each disposed on a bottom surface of each of the sensing zones. The stiffening structure is disposed on a bottom of the displacement zone.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: January 14, 2020
    Assignee: Merry Electronics(Shenzhen) Co., Ltd.
    Inventors: Jen-Yi Chen, Chao-Sen Chang, Kai-Yu Jiang, Jui-Chin Peng
  • Publication number: 20190222940
    Abstract: A piezoelectric transducer including a substrate, a piezoelectric layer and a stiffening structure is provided. The substrate has a chamber. The piezoelectric layer has a displacement zone, a plurality of sensing zones, a plurality of gaps, a plurality of top electrodes, and a plurality of bottom electrodes. The displacement zone is located over the chamber. The sensing zones are surroundingly connected to an outer edge of the displacement zone and are located over the chamber. The gaps are each formed between any adjacent two of the plurality of sensing zones, and each of the gaps communicates with the chamber. The top electrodes are each disposed on a top surface of each of the sensing zones. The bottom electrodes are each disposed on a bottom surface of each of the sensing zones. The stiffening structure is disposed on a bottom of the displacement zone.
    Type: Application
    Filed: March 7, 2018
    Publication date: July 18, 2019
    Applicant: Merry Electronics(Shenzhen) Co., Ltd.
    Inventors: Jen-Yi Chen, Chao-Sen Chang, Kai-Yu Jiang, Jui-Chin Peng
  • Publication number: 20170044003
    Abstract: A vertical comb-drive actuator comprising a support base and a movable body is described. The support base comprises first comb electrodes and a first surface wherein the first comb electrodes extend from the first surface. The movable body attached to the support base comprises second comb electrodes and a second surface wherein the second comb electrodes extend from the second surface. The movable body may rotate about a rotation axis and the first comb electrodes are interdigitated with the second comb electrodes correspondingly. The second comb electrodes extend along a first direction, the rotation axis extends along a second direction, and the first comb electrodes extend along a third direction. The distance between the first lateral face of the first comb electrode and the second surface is shorter than the second length defined as the distance between the end surface of the second comb electrode and the second surface.
    Type: Application
    Filed: August 10, 2016
    Publication date: February 16, 2017
    Inventors: CHANG-LI HUNG, Ta-wei LIN, Kai-yu JIANG