Patents by Inventor Nai-Wei LIU

Nai-Wei LIU 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).

  • Publication number: 20240153887
    Abstract: A semiconductor package structure includes a base having a first surface and a second surface opposite thereto, wherein the base comprises a wiring structure, a first electronic component disposed over the first surface of the base and electrically coupled to the wiring structure, a second electronic component disposed over the first surface of the base and electrically coupled to the wiring structure, wherein the first electronic component and the second electronic component are separated by a molding material, a first hole and a second hole formed on the second surface of the base, and a frame disposed over the first surface of the base, wherein the frame surrounds the first electronic component and the second electronic component.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 9, 2024
    Inventors: Tzu-Hung LIN, Chia-Cheng CHANG, I-Hsuan PENG, Nai-Wei LIU
  • Patent number: 11948895
    Abstract: A semiconductor package structure includes a substrate having a wiring structure. A first semiconductor die is disposed over the substrate and is electrically coupled to the wiring structure. A second semiconductor die is disposed over the substrate and is electrically coupled to the wiring structure, wherein the first semiconductor die and the second semiconductor die are arranged side-by-side. Holes are formed on a surface of the substrate, wherein the holes are located within a projection of the first semiconductor die or the second semiconductor die on the substrate. Further, a molding material surrounds the first semiconductor die and the second semiconductor die, and surfaces of the first semiconductor die and the second semiconductor die facing away from the substrate are exposed by the molding material.
    Type: Grant
    Filed: July 4, 2022
    Date of Patent: April 2, 2024
    Assignee: MEDIATEK INC.
    Inventors: Tzu-Hung Lin, Chia-Cheng Chang, I-Hsuan Peng, Nai-Wei Liu
  • Publication number: 20240038614
    Abstract: A semiconductor package structure includes a substrate, a dummy conductive mesh structure, an interposer, an underfill material, and a semiconductor die. The substrate includes a wiring structure in dielectric layers. The dummy conductive mesh structure is embedded in the substrate and is spaced apart from the wiring structure by the dielectric layers. The interposer is disposed over the substrate. The underfill material extends between the substrate and the interposer and over the dummy conductive mesh structure. The semiconductor die is disposed over the interposer and is electrically coupled to the wiring structure through the interposer.
    Type: Application
    Filed: June 27, 2023
    Publication date: February 1, 2024
    Inventors: Yi-Lin TSAI, Nai-Wei LIU, Wen-Sung HSU
  • Patent number: 11854784
    Abstract: A semiconductor package structure includes a semiconductor die, a redistribution layer (RDL) structure, a protective insulating layer, and a conductive structure. The semiconductor die has a first surface, a second surface opposite the first surface, and a third surface adjoined between the first surface and the second surface. The RDL structure is on the first surface of the semiconductor die and is electrically coupled to the semiconductor die. The protective insulating layer covers the RDL structure, the second surface and the third surface of the semiconductor die. The conductive structure passes through the protective insulating layer and is electrically coupled to the RDL structure.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: December 26, 2023
    Assignee: MediaTek Inc.
    Inventors: Yen-Yao Chi, Nai-Wei Liu, Ta-Jen Yu, Tzu-Hung Lin, Wen-Sung Hsu, Shih-Chin Lin
  • Publication number: 20230387075
    Abstract: A semiconductor package includes an interposer over a substrate that includes interconnect traces, a redistribution structure on the interposer, a first semiconductor structure, a second semiconductor structure and a third semiconductor structure on the redistribution structure. The first semiconductor structure includes a first semiconductor die and a first encapsulant that encapsulates the first semiconductor die. The second semiconductor structure includes a second semiconductor die and a second encapsulant that encapsulates the second semiconductor die. The third semiconductor structure is disposed adjacent to a corner or an edge of the substrate in a top plan view of the substrate. The third semiconductor structure includes a third semiconductor die and a third encapsulant that encapsulates the third semiconductor die. The third semiconductor structure is electrically insulated from the substrate, the first semiconductor structure and the second semiconductor structure.
    Type: Application
    Filed: April 20, 2023
    Publication date: November 30, 2023
    Inventors: Yi-Lin TSAI, Wen-Sung HSU, Nai-Wei LIU
  • Patent number: 11824020
    Abstract: An electronic device that has an antenna device that includes a conductive pattern layer comprising a first antenna element, the conductive pattern layer formed in an insulating substrate and adjacent to a first surface of the insulating substrate, and a second antenna element formed on a second surface of the insulating substrate opposite the first surface. The electronic device further has a semiconductor package that includes a redistribution layer (RDL) structure bonded and electrically connected to the conductive pattern layer, a first electronic component electrically connected to the RDL structure, and an encapsulating layer formed on the RDL structure and surrounding the first electronic component.
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: November 21, 2023
    Assignee: MEDIATEK INC.
    Inventors: Yen-Yao Chi, Nai-Wei Liu, Tzu-Hung Lin
  • Patent number: 11791266
    Abstract: A semiconductor package structure including a semiconductor die having a first surface, a second surface opposite the first surface, and a third surface adjoined between the first surface and the second surface. A first protective insulating layer covers the first and third surfaces of the semiconductor die. A redistribution layer (RDL) structure is electrically coupled to the semiconductor die and surrounded by the first protective insulating layer on the first surface of the semiconductor die. A first passivation layer covers the first protective insulating layer and the RDL structure. At least one conductive structure passes through the first passivation layer and is electrically coupled to the RDL structure. A method of forming the semiconductor package is also provided.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: October 17, 2023
    Assignee: MediaTek Inc.
    Inventors: Yen-Yao Chi, Nai-Wei Liu, Ta-Jen Yu, Tzu-Hung Lin, Wen-Sung Hsu
  • Patent number: 11742564
    Abstract: A semiconductor package structure is provided. The semiconductor package structure includes a semiconductor die surrounded by a first molding compound layer. A redistribution layer (RDL) structure is formed on a non-active surface of the semiconductor die and the first molding compound layer. A second molding compound layer is formed on the RDL structure. An insulating capping layer covers the second molding compound layer. An antenna is electrically coupled to the semiconductor die and includes a first antenna element formed in the RDL structure and a second antenna element formed between the second molding compound layer and the insulating capping layer.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: August 29, 2023
    Assignee: MediaTek Inc.
    Inventors: Nai-Wei Liu, Yen-Yao Chi, Tzu-Hung Lin, Wen-Sung Hsu
  • Patent number: 11728292
    Abstract: The invention provides a semiconductor package assembly. The semiconductor package assembly includes a first semiconductor package including a first redistribution layer (RDL) structure having a first surface and a second surface opposite to the first substrate. The first RDL structure includes a plurality of first conductive traces close to the first surface of the first RDL structure. An antenna pattern is disposed close to the second surface of the first RDL structure. A first semiconductor die is disposed on the first surface of the first RDL structure and electrically coupled to the first RDL structure. A plurality of conductive structures is disposed on the first surface of the first RDL structure and electrically coupled to the first RDL structure. The plurality of conductive structures is spaced apart from the antenna pattern through the plurality of first conductive traces of the first RDL structure.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: August 15, 2023
    Assignee: MediaTek Inc.
    Inventors: Tzu-Hung Lin, I-Hsuan Peng, Nai-Wei Liu, Wei-Che Huang, Che-Ya Chou
  • Patent number: 11688655
    Abstract: A semiconductor package structure including a package substrate, at least one semiconductor die, a lid structure, a first electronic component and a heat sink is provided. The package substrate has a first surface and a second surface opposite to the first surface. The semiconductor die is on the first surface of the package substrate and is surrounded by an encapsulating layer. The lid structure surrounds and is spaced apart from the encapsulating layer. The lid structure includes a first opening that is covered by the first surface of the package substrate. The first electronic component is over the first surface of the package substrate and arranged within the first opening of the lid structure. The heat sink covers the lid structure and the semiconductor die.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: June 27, 2023
    Assignee: MEDIATEK INC.
    Inventors: Chia-Cheng Chang, Tzu-Hung Lin, I-Hsuan Peng, Nai-Wei Liu
  • Patent number: 11652273
    Abstract: A semiconductor package structure is provided. The semiconductor package structure includes a redistribution layer (RDL) structure formed on a non-active surface of a semiconductor die. An antenna structure includes a first antenna element formed in the RDL structure, a first insulating layer covering the RDL structure, a second insulating layer formed on the first insulating layer, and a second antenna element formed on and in direct contact with the second insulating layer.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: May 16, 2023
    Assignee: MediaTek Inc.
    Inventors: Nai-Wei Liu, Yen-Yao Chi, Yeh-Chun Kao, Shih-Huang Yeh, Tzu-Hung Lin, Wen-Sung Hsu
  • Publication number: 20230073399
    Abstract: A semiconductor package structure includes a semiconductor die, a redistribution layer (RDL) structure, a protective insulating layer, and a conductive structure. The semiconductor die has a first surface, a second surface opposite the first surface, and a third surface adjoined between the first surface and the second surface. The RDL structure is on the first surface of the semiconductor die and is electrically coupled to the semiconductor die. The protective insulating layer covers the RDL structure, the second surface and the third surface of the semiconductor die. The conductive structure passes through the protective insulating layer and is electrically coupled to the RDL structure.
    Type: Application
    Filed: November 17, 2022
    Publication date: March 9, 2023
    Applicant: MediaTek Inc.
    Inventors: Yen-Yao Chi, Nai-Wei Liu, Ta-Jen Yu, Tzu-Hung Lin, Wen-Sung Hsu, Shih-Chin Lin
  • Publication number: 20230056550
    Abstract: An electronic device that has an antenna device that includes a conductive pattern layer comprising a first antenna element, the conductive pattern layer formed in an insulating substrate and adjacent to a first surface of the insulating substrate, and a second antenna element formed on a second surface of the insulating substrate opposite the first surface. The electronic device further has a semiconductor package that includes a redistribution layer (RDL) structure bonded and electrically connected to the conductive pattern layer, a first electronic component electrically connected to the RDL structure, and an encapsulating layer formed on the RDL structure and surrounding the first electronic component.
    Type: Application
    Filed: October 13, 2022
    Publication date: February 23, 2023
    Inventors: Yen-Yao CHI, Nai-Wei LIU, Tzu-Hung LIN
  • Patent number: 11574881
    Abstract: A semiconductor package structure is provided. The semiconductor package structure includes a first redistribution layer (RDL) structure formed on a non-active surface of a semiconductor die. A second RDL structure is formed on and electrically coupled to an active surface of the semiconductor die. A ground layer is formed in the first RDL structure. A first molding compound layer is formed on the first RDL structure. A first antenna includes a first antenna element formed in the second RDL structure and a second antenna element formed on the first molding compound layer. Each of the first antenna element and the second antenna element has a first portion overlapping the semiconductor die as viewed from a top-view perspective.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: February 7, 2023
    Assignee: MediaTek Inc.
    Inventors: Nai-Wei Liu, Yen-Yao Chi, Yeh-Chun Kao, Shih-Huang Yeh, Tzu-Hung Lin, Wen-Sung Hsu
  • Patent number: 11532577
    Abstract: An embodiment is a method including depositing a first dielectric layer over a molding compound and a chip and patterning a first opening in the first dielectric layer to expose a contact of the chip. A first metallization layer is deposited over the first dielectric layer and in the first opening, where a portion of the first metallization layer in the first opening has a flat top. A second dielectric layer is deposited over the first metallization layer and the first dielectric layer. A second metallization layer is deposited in a second opening in the second dielectric layer, where the second metallization layer does not have a flat top within the second opening.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: December 20, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wan-Ting Shih, Nai-Wei Liu, Jing-Cheng Lin, Cheng-Lin Huang
  • Publication number: 20220392839
    Abstract: A semiconductor package structure including a semiconductor die having a first surface, a second surface opposite the first surface, and a third surface adjoined between the first surface and the second surface. A first protective insulating layer covers the first and third surfaces of the semiconductor die. A redistribution layer (RDL) structure is electrically coupled to the semiconductor die and surrounded by the first protective insulating layer on the first surface of the semiconductor die. A first passivation layer covers the first protective insulating layer and the RDL structure. At least one conductive structure passes through the first passivation layer and is electrically coupled to the RDL structure. A method of forming the semiconductor package is also provided.
    Type: Application
    Filed: August 12, 2022
    Publication date: December 8, 2022
    Applicant: MediaTek Inc.
    Inventors: Yen-Yao Chi, Nai-Wei Liu, Ta-Jen Yu, Tzu-Hung Lin, Wen-Sung Hsu
  • Patent number: 11508678
    Abstract: A semiconductor package structure is provided. The semiconductor package structure includes an antenna device and semiconductor package. The antenna device includes a conductive pattern layer including a first antenna element, formed in an insulating substrate and adjacent to a first surface of the insulating substrate. The antenna device also includes a second antenna element formed on a second surface of the insulating substrate opposite the first surface. The semiconductor package includes a redistribution layer (RDL) structure bonded and electrically connected to the conductive pattern layer. The semiconductor package also includes a first semiconductor die electrically connected to the RDL structure, and an encapsulating layer formed on the RDL structure and surrounding the first semiconductor die.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: November 22, 2022
    Assignee: MEDIATEK INC.
    Inventors: Yen-Yao Chi, Nai-Wei Liu, Tzu-Hung Lin
  • Publication number: 20220336374
    Abstract: A semiconductor package structure includes a substrate having a wiring structure. A first semiconductor die is disposed over the substrate and is electrically coupled to the wiring structure. A second semiconductor die is disposed over the substrate and is electrically coupled to the wiring structure, wherein the first semiconductor die and the second semiconductor die are arranged side-by-side. A hole is formed on a surface of the substrate, wherein the hole is located within projection of the first semiconductor die or the second semiconductor die on the substrate. Further, a molding material, surrounding the first semiconductor die and the second semiconductor die, and surfaces of the first semiconductor die and the second semiconductor die facing away from the substrate, are exposed by the molding material.
    Type: Application
    Filed: July 4, 2022
    Publication date: October 20, 2022
    Inventors: Tzu-Hung LIN, Chia-Cheng CHANG, I-Hsuan PENG, Nai-Wei LIU
  • Patent number: 11450606
    Abstract: A semiconductor package structure including a semiconductor die having a first surface, a second surface opposite the first surface, and a third surface adjoined between the first surface and the second surface. A first protective insulating layer covers the first and third surfaces of the semiconductor die. A redistribution layer (RDL) structure is electrically coupled to the semiconductor die and surrounded by the first protective insulating layer on the first surface of the semiconductor die. A first passivation layer covers the first protective insulating layer and the RDL structure. At least one conductive structure passes through the first passivation layer and is electrically coupled to the RDL structure. A method of forming the semiconductor package is also provided.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: September 20, 2022
    Assignee: MediaTek Inc.
    Inventors: Yen-Yao Chi, Nai-Wei Liu, Tzu-Hung Lin, Ta-Jen Yu, Wen-Sung Hsu
  • Patent number: 11410936
    Abstract: A semiconductor package structure is provided. The semiconductor package structure includes a substrate having a first surface and a second surface opposite thereto, wherein the substrate includes a wiring structure, and a first semiconductor die disposed over the first surface of the substrate and electrically coupled to the wiring structure. The package further includes a second semiconductor die disposed over the first surface of the substrate and electrically coupled to the wiring structure, wherein the first semiconductor die and the second semiconductor die are separated by a molding material. A first hole and a second hole are formed on the second surface of the substrate. Finally, a frame is disposed over the first surface of the substrate, wherein the frame surrounds the first semiconductor die and the second semiconductor die.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: August 9, 2022
    Assignee: MEDIATEK INC.
    Inventors: Tzu-Hung Lin, Chia-Cheng Chang, I-Hsuan Peng, Nai-Wei Liu