Patents by Inventor Tao-Chih Chang

Tao-Chih Chang 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: 10672677
    Abstract: A semiconductor package structure is provided. The semiconductor package structure includes a semiconductor chip, a guard ring, a gel layer, and a first lead frame. The guard ring is disposed on the semiconductor chip, and the gel layer is disposed on the guard ring. The first lead frame is electrically connected to the semiconductor chip, and the gel layer is located between the guard ring and the first lead frame.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: June 2, 2020
    Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, WIN-HOUSE ELECTRONIC CO., LTD.
    Inventors: Jing-Yao Chang, Tao-Chih Chang, Kuo-Shu Kao, Fang-Jun Leu, Hsin-Han Lin, Chih-Ming Tzeng, Hsiao-Ming Chang, Chih-Ming Shen
  • Patent number: 10622274
    Abstract: A chip package including a lead frame, a first chip, a heat dissipation structure, and an insulating encapsulant is provided. The lead frame includes a chip pad having a first surface and a second surface opposite to the first surface and a lead connected to the chip pad. The first chip is disposed on the first surface of the chip pad and electrically connected to the lead of the lead frame and to the outside of the insulating encapsulant via the lead. The head dissipation structure is disposed on the second surface of the chip pad and includes a thermal interface material layer attached to the second surface. The insulating encapsulant encapsulates the first chip, the heat dissipation structure, and a portion of the lead frame.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: April 14, 2020
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Shu Kao, Tao-Chih Chang, Wen-Chih Chen, Tai-Jyun Yu, Po-Kai Chiu, Yen-Ting Lin, Wei-Kuo Han
  • Publication number: 20200083332
    Abstract: A semiconductor device includes a substrate, a channel layer, a first electrode layer, a second electrode layer, and a gate structure. The substrate includes a first gallium oxide layer. The channel layer is disposed on the substrate, where the channel layer is a second gallium oxide layer. The first electrode layer and the second electrode layer are disposed on the channel layer. The gate structure is disposed on the channel layer between the first electrode layer and the second electrode layer. The gate structure is on the channel layer or the gate structure has a bottom portion extending into the channel layer.
    Type: Application
    Filed: September 5, 2019
    Publication date: March 12, 2020
    Applicant: Industrial Technology Research Institute
    Inventors: Heng Lee, Shin-Yi Huang, Tao-Chih Chang
  • Publication number: 20200075519
    Abstract: A hetero-integrated structure includes a substrate, a die, a passivation layer, a first redistribution layer, a second redistribution layer, and connecting portions. The die is attached on the substrate. The die has an active surface and a non-active surface. The active surface has pads. The passivation layer covers sidewalls and a surface of the die to expose a surface of the pads. The first redistribution layer is located on the passivation layer and electrically connected to the pads. The second redistribution layer is located on the substrate and adjacent to the die. The connecting portions are connected to the first redistribution layer and the second redistribution layer.
    Type: Application
    Filed: August 28, 2019
    Publication date: March 5, 2020
    Applicant: Industrial Technology Research Institute
    Inventors: Yu-Min Lin, Ang-Ying Lin, Sheng-Tsai Wu, Tao-Chih Chang, Wei-Chung Lo
  • Patent number: 10490478
    Abstract: A chip packaging includes a substrate, a first chip, a molding material, a first circuit, and a second circuit. The substrate includes a bottom surface, a first top surface disposed above the bottom surface with a first height, and a second top surface disposed above the bottom surface with a second height. The first height is smaller than the second height. The first chip is disposed on the first top surface. The molding material is disposed on the substrate and covers the first chip. The first and second circuits are disposed on the molding material, and are respectively and electrically connected to the first chip and the second top surface of the substrate. The substrate is made of copper material with huge area and has the properties of high current withstand capacity and high thermal efficiency. The second top surface protects the first chip from damage.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: November 26, 2019
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Min Lin, Kuo-Shu Kao, Jing-Yao Chang, Tao-Chih Chang
  • Patent number: 10490473
    Abstract: A chip package module includes an encapsulation layer, a chip, a substrate and a plurality of blind-hole electrodes. The encapsulation layer includes a first surface and a second surface opposite to the first surface. The chip includes a third surface and a fourth surface opposite to the third surface. A metal bump is fabricated on the third surface of the chip. The chip is embedded into the encapsulation layer from the first surface of the encapsulation layer. The metal bump is exposed from the first surface of the encapsulation layer. The substrate includes a metal layer, wherein the metal layer of the substrate is bonded to the chip through the metal bump. The plurality of blind-hole electrodes pass through the second surface of the encapsulation layer and are electrically connected to the metal layer of the substrate.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: November 26, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shin-Yi Huang, Yu-Min Lin, Tao-Chih Chang
  • Publication number: 20190252345
    Abstract: A package structure and a method for connecting components are provided, in which the package includes a first substrate including a first wiring and at least one first contact connecting to the first wiring; a second substrate including a second wiring and at least one second contact connecting to the second wiring, the at least one first contact and the at least one second contact partially physically contacting with each other or partially chemically interface reactive contacting with each other; and at least one third contact surrounding the at least one first contact and the at least one second contact. The first substrate and the second substrate are electrically connected with each other at least through the at least one first contact and the at least one second contact.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 15, 2019
    Applicant: Industrial Technology Research Institute
    Inventors: Yu-Min Lin, Tao-Chih Chang, Wei-Chung Lo
  • Publication number: 20190237373
    Abstract: A chip package module includes an encapsulation layer, a chip, a substrate and a plurality of blind-hole electrodes. The encapsulation layer includes a first surface and a second surface opposite to the first surface. The chip includes a third surface and a fourth surface opposite to the third surface. A metal bump is fabricated on the third surface of the chip. The chip is embedded into the encapsulation layer from the first surface of the encapsulation layer. The metal bump is exposed from the first surface of the encapsulation layer. The substrate includes a metal layer, wherein the metal layer of the substrate is bonded to the chip through the metal bump. The plurality of blind-hole electrodes pass through the second surface of the encapsulation layer and are electrically connected to the metal layer of the substrate.
    Type: Application
    Filed: April 17, 2018
    Publication date: August 1, 2019
    Inventors: Shin-Yi HUANG, Yu-Min LIN, Tao-Chih CHANG
  • Publication number: 20190206916
    Abstract: A chip scale package structure is provided. The chip scale package structure includes an image sensor chip and a chip. The image sensor chip includes a first redistribution layer including a conductive wire and a conductive pad formed on the conductive wire, wherein the conductive pad is exposed from the surface of the first redistribution layer. The chip includes a second redistribution layer including a conductive wire and a conductive pad formed on the conductive wire, wherein the conductive pad is exposed from the surface of the second redistribution layer. The area of the chip is smaller than that of the image sensor chip. The second redistribution layer of the chip bonds to the first redistribution layer of the image sensor chip.
    Type: Application
    Filed: November 19, 2018
    Publication date: July 4, 2019
    Inventors: Yu-Min LIN, Tao-Chih CHANG
  • Publication number: 20190109064
    Abstract: A chip package including a lead frame, a first chip, a heat dissipation structure, and an insulating encapsulant is provided. The lead frame includes a chip pad having a first surface and a second surface opposite to the first surface and a lead connected to the chip pad. The first chip is disposed on the first surface of the chip pad and electrically connected to the lead of the lead frame and to the outside of the insulating encapsulant via the lead. The head dissipation structure is disposed on the second surface of the chip pad and includes a thermal interface material layer attached to the second surface. The insulating encapsulant encapsulates the first chip, the heat dissipation structure, and a portion of the lead frame.
    Type: Application
    Filed: May 11, 2018
    Publication date: April 11, 2019
    Applicant: Industrial Technology Research Institute
    Inventors: Kuo-Shu Kao, Tao-Chih Chang, Wen-Chih Chen, Tai-Jyun Yu, Po-Kai Chiu, Yen-Ting Lin, Wei-Kuo Han
  • Publication number: 20180358307
    Abstract: An electronic package structure is provided. The electronic packaging structure includes a substrate, a conductive layer disposed on the substrate, an intermetallic compound disposed on the conductive layer, a stress buffering material disposed on the substrate and adjacent to the conductive layer, and an electronic device disposed on the conductive layer and the stress buffering material. The intermetallic compound is disposed between the electronic device and the conductive layer, between the electronic device and the stress buffering material, between the substrate and the stress buffering material, and between the conductive layer and the stress buffering material.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 13, 2018
    Inventors: Jing-Yao Chang, Tao-Chih Chang, Fang-Jun Leu, Wei-Kuo Han, Kuo-Shu Kao
  • Publication number: 20180261519
    Abstract: A semiconductor package structure is provided. The semiconductor package structure includes a semiconductor chip, a guard ring, a gel layer, and a first lead frame. The guard ring is disposed on the semiconductor chip, and the gel layer is disposed on the guard ring. The first lead frame is electrically connected to the semiconductor chip, and the gel layer is located between the guard ring and the first lead frame.
    Type: Application
    Filed: May 14, 2018
    Publication date: September 13, 2018
    Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Win-House Electronic Co., Ltd.
    Inventors: Jing-Yao CHANG, Tao-Chih CHANG, Kuo-Shu KAO, Fang-Jun LEU, Hsin-Han LIN, Chih-Ming TZENG, Hsiao-Ming CHANG, Chih-Ming SHEN
  • Publication number: 20180233477
    Abstract: An electronic package structure is provided. The electronic packaging structure includes a substrate, a conductive layer disposed on the substrate, an intermetallic compound disposed on the conductive layer, a stress buffering material and an electronic device. The stress buffering material is disposed on the substrate and adjacent to the conductive layer. The electronic device is disposed on the intermetallic compound and the stress buffering material, and the electronic device is in contact with the intermetallic compound. The stress buffering material is adjacent to the conductive layer to have the conductive layer and the stress buffering material together serving as a stress buffer, so as to enhance the effect of stress buffering, thereby preventing a wafer from cracking due to stress.
    Type: Application
    Filed: April 14, 2017
    Publication date: August 16, 2018
    Inventors: Jing-Yao Chang, Tao-Chih Chang, Fang-Jun Leu, Wei-Kuo Han, Kuo-Shu Kao
  • Patent number: 10037980
    Abstract: A fabricating method of a semiconductor light emitting device includes disposing a plurality of non-conductive walls on a substrate. An alignment position is formed between every two adjacent non-conductive walls. A plurality of semiconductor light emitting units on a first carrier board are respectively aligned to the alignment positions. The semiconductor light emitting units are divided into a plurality of groups. The semiconductor light emitting units in one of the groups are dissociated from the first carrier board. Thus, the semiconductor light emitting units in the group fall into the corresponding alignment positions due to gravity. Each of the semiconductor light emitting units is electrically connected with the substrate through a first electrode. A conductive layer is formed on the semiconductor light emitting units. Accordingly, the semiconductor light emitting units are electrically connected together to the conductive layer through second electrodes.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: July 31, 2018
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Wei Huang, Tao-Chih Chang, Chih-Ming Shen
  • Publication number: 20180145236
    Abstract: A package structure for a light emitting device including a carrier, a plurality of package units, an interconnection structure is provided. The carrier has a carrying surface, the package units stack on the carrying surface, each of the package units has a first surface and a second surface opposite the first surface and a plurality of light emitting devices arranged in an array and embedded in the package unit. Each of the light emitting devices includes a top portion facing the carrier, a bottom portion opposite to the top portion and a first electrode on the top portion, the bottom portion of each of the plurality of light emitting devices is coplanar with the first surface of the package unit. The interconnection structure is located in the package units and includes a plurality of conductive vias passing through the corresponding package units and electrically connected between the corresponding first electrodes.
    Type: Application
    Filed: December 29, 2017
    Publication date: May 24, 2018
    Applicant: Industrial Technology Research Institute
    Inventors: Yu-Wei Huang, Tao-Chih Chang, Chih-Ming Shen
  • Publication number: 20180019178
    Abstract: A chip packaging includes a substrate, a first chip, a molding material, a first circuit, and a second circuit. The substrate includes a bottom surface, a first top surface disposed above the bottom surface with a first height, and a second top surface disposed above the bottom surface with a second height. The first height is smaller than the second height. The first chip is disposed on the first top surface. The molding material is disposed on the substrate and covers the first chip. The first and second circuits are disposed on the molding material, and are respectively and electrically connected to the first chip and the second top surface of the substrate. The substrate is made of copper material with huge area and has the properties of high current withstand capacity and high thermal efficiency. The second top surface protects the first chip from damage.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 18, 2018
    Applicant: Industrial Technology Research Institute
    Inventors: Yu-Min Lin, Kuo-Shu Kao, Jing-Yao Chang, Tao-Chih Chang
  • Publication number: 20170294421
    Abstract: A fabricating method of a semiconductor light emitting device includes disposing a plurality of non-conductive walls on a substrate. An alignment position is formed between every two adjacent non-conductive walls. A plurality of semiconductor light emitting units on a first carrier board are respectively aligned to the alignment positions. The semiconductor light emitting units are divided into a plurality of groups. The semiconductor light emitting units in one of the groups are dissociated from the first carrier board. Thus, the semiconductor light emitting units in the group fall into the corresponding alignment positions due to gravity. Each of the semiconductor light emitting units is electrically connected with the substrate through a first electrode. A conductive layer is formed on the semiconductor light emitting units. Accordingly, the semiconductor light emitting units are electrically connected together to the conductive layer through second electrodes.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Applicant: Industrial Technology Research Institute
    Inventors: Yu-Wei Huang, Tao-Chih Chang, Chih-Ming Shen
  • Patent number: 9721931
    Abstract: A semiconductor light emitting device including a substrate, a plurality of semiconductor light emitting units and a plurality of non-conductive walls is provided. The semiconductor light emitting device is disposed on the substrate in an array. Each of the semiconductor light emitting units has a first electrode and a second electrode opposite to the first electrode. Each of the semiconductor light emitting units is electrically connected to the substrate through the first electrode, and the semiconductor light emitting units are electrically connected together to a conducting layer through the second electrodes. The semiconductor light emitting units have different emission colors. The non-conductive walls are disposed between adjacent semiconductor light emitting units, to separate the semiconductor light emitting units. A fabricating method of semiconductor light emitting device is also provided.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: August 1, 2017
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Wei Huang, Tao-Chih Chang, Chih-Ming Shen
  • Patent number: 9706656
    Abstract: A signal transmission board includes a substrate, a conductive via, a cavity and a connecting hole. The substrate has a first external surface and a second external surface. The conductive via penetrating through the substrate has a first end and a second end. The first end is disposed on the first external surface, and the second end is disposed on the second external surface. The cavity is disposed in the substrate and penetrated by the conductive via. The connecting hole disposed on the substrate has a third end and a fourth end. The third end is disposed on the first external surface, and the fourth end communicates with the cavity.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: July 11, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chien-Min Hsu, Shih-Hsien Wu, Jing-Yao Chang, Tao-Chih Chang, Ren-Shin Cheng, Min-Lin Lee
  • Patent number: 9647029
    Abstract: In an embodiment, a light emitting device comprises a light emitting diode chip and a spherical extending electrode. The light emitting diode chip includes a semiconductor epitaxial structure, a first electrode and a second electrode. The first electrode and the second electrode are disposed on two opposite sides of the semiconductor epitaxial structure, respectively. The first electrode is disposed between the semiconductor epitaxial structure and the spherical extending electrode, and the spherical extending electrode is electrically connected to the semiconductor epitaxial structure electrically through the first electrode. The volume of the spherical extending electrode is greater than that of the light emitting diode chip.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: May 9, 2017
    Assignee: Industrial Technology Research Institute
    Inventors: Wei-Chung Lo, Yu-Wei Huang, Tao-Chih Chang, Chih-Ming Shen