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).
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Publication number: 20220173497Abstract: 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: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Applicant: Media Tek Inc.Inventors: Nai-Wei Liu, Yen-Yao Chi, Yeh-Chun Kao, Shih-Huang Yeh, Tzu-Hung Lin, Wen-Sung Hsu
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Publication number: 20220157732Abstract: A semiconductor package includes a first die structure, a first redistribution structure that is disposed on the first die structure, a second die structure that is disposed on the first redistribution structure, and a second redistribution structure that is disposed on the second die structure. The first die structure includes an interposer, and the interposer includes a semiconductor substrate and through-vias that penetrate through the semiconductor substrate. A first integrated circuit die is disposed in the semiconductor substrate of the interposer. The second die structure includes a second integrated circuit die that is encapsulated in an encapsulant and several conductive pillars that penetrate through the encapsulant. The first integrated circuit die is electrically connected to the second integrated circuit die through the first redistribution structure, the conductive pillars, and the second redistribution structure.Type: ApplicationFiled: November 1, 2021Publication date: May 19, 2022Inventors: Yi-Lin TSAI, Nai-Wei LIU, Wen-Sung HSU
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Publication number: 20210327835Abstract: 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: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Applicant: MediaTek Inc.Inventors: Nai-Wei Liu, Yen-Yao Chi, Yeh-Chun Kao, Shih-Huang Yeh, Tzu-Hung Lin, Wen-Sung Hsu
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Publication number: 20210273317Abstract: 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: ApplicationFiled: May 17, 2021Publication date: September 2, 2021Applicant: MediaTek Inc.Inventors: Nai-Wei Liu, Yen-Yao Chi, Tzu-Hung Lin, Wen-Sung Hsu
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Patent number: 11081453Abstract: 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: GrantFiled: June 25, 2019Date of Patent: August 3, 2021Assignee: MediaTek Inc.Inventors: Nai-Wei Liu, Yen-Yao Chi, Yeh-Chun Kao, Shih-Huang Yeh, Tzu-Hung Lin, Wen-Sung Hsu
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Patent number: 11043730Abstract: 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: GrantFiled: April 17, 2019Date of Patent: June 22, 2021Assignee: MediaTek Inc.Inventors: Nai-Wei Liu, Yen-Yao Chi, Tzu-Hung Lin, Wen-Sung Hsu
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Publication number: 20210175137Abstract: 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: ApplicationFiled: February 23, 2021Publication date: June 10, 2021Inventors: Chia-Cheng CHANG, Tzu-Hung LIN, I-Hsuan PENG, Nai-Wei LIU
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Patent number: 11024954Abstract: A method of forming a semiconductor package structure includes providing a first wafer-level package structure having a die region surrounded by a scribe line region. The first wafer-level package structure includes a first encapsulating layer, a first redistribution layer (RDL) structure formed on the first encapsulating layer, a first antenna element formed in the first RDL structure and corresponding to the die region, and a semiconductor die in the first encapsulating layer and corresponding to the die region. A second wafer-level package structure is bonded onto the first RDL structure using a first adhesive layer. The second wafer-level package structure includes a second encapsulating layer attached to the first adhesive layer, and a second antenna element formed on the second encapsulating layer. The second antenna element and the first antenna element form a pitch antenna after the bonding of the second wafer-level package structure.Type: GrantFiled: April 30, 2019Date of Patent: June 1, 2021Assignee: MediaTek Inc.Inventors: Nai-Wei Liu, Yen-Yao Chi, Tzu-Hung Lin, Wen-Sung Hsu
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Patent number: 10957611Abstract: 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: GrantFiled: June 7, 2018Date of Patent: March 23, 2021Assignee: MEDIATEK INC.Inventors: Chia-Cheng Chang, Tzu-Hung Lin, I-Hsuan Peng, Nai-Wei Liu
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Publication number: 20210035930Abstract: 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: ApplicationFiled: June 24, 2020Publication date: February 4, 2021Inventors: Yen-Yao CHI, Nai-Wei LIU, Tzu-Hung LIN
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Patent number: 10867897Abstract: A method of forming a PoP device comprises placing an adhesive layer on a carrier substrate, coupling a plurality of chip packages to the adhesive layer on the carrier substrate, placing a bonding layer on the chip packages, and coupling a plurality of chips to the bonding layer on the chip packages. The method further comprises injecting a molding compound to encapsulate the chip packages and the chips on the carrier substrate, grinding the molding compound to expose a plurality of connecting elements of the chips and a plurality of second connecting elements of the chip packages, forming a redistribution layer (RDL) on the molding compound and the exposed connecting elements and second connecting elements, forming a ball grid array (BGA) on the RDL, and de-bonding the carrier substrate.Type: GrantFiled: April 13, 2018Date of Patent: December 15, 2020Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chin-Chuan Chang, Jing-Cheng Lin, Nai-Wei Liu, Wan-Ting Shih
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Publication number: 20200373264Abstract: 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: ApplicationFiled: August 10, 2020Publication date: November 26, 2020Inventors: Wan-Ting Shih, Nai-Wei Liu, Jing-Cheng Lin, Cheng-Lin Huang
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Publication number: 20200365526Abstract: 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: ApplicationFiled: August 3, 2020Publication date: November 19, 2020Inventors: Tzu-Hung LIN, Chia-Cheng CHANG, I-Hsuan PENG, Nai-Wei LIU
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Publication number: 20200312732Abstract: 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: ApplicationFiled: June 17, 2020Publication date: October 1, 2020Inventors: Yen-Yao CHI, Nai-Wei LIU, Ta-Jen YU, Tzu-Hung LIN, Wen-Sung HSU, Shih-Chin LIN
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Patent number: 10784211Abstract: A semiconductor package structure is provided. The semiconductor package structure includes a substrate having a first surface and a second surface opposite thereto. The substrate includes a wiring structure. The semiconductor package structure also includes a first semiconductor die disposed over the first surface of the substrate and electrically coupled to the wiring structure. The semiconductor package structure further includes a second semiconductor die disposed over the first surface of the substrate and electrically coupled to the wiring structure. The first semiconductor die and the second semiconductor die are separated by a molding material. In addition, the semiconductor package structure includes a first hole and a second hole formed on the second surface of the substrate.Type: GrantFiled: February 27, 2018Date of Patent: September 22, 2020Assignee: MEDIATEK INC.Inventors: Tzu-Hung Lin, Chia-Cheng Chang, I-Hsuan Peng, Nai-Wei Liu
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Patent number: 10741511Abstract: 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: GrantFiled: July 29, 2019Date of Patent: August 11, 2020Assignee: Taiwan Semiconductor Manufacturing CompanyInventors: Wan-Ting Shih, Nai-Wei Liu, Jing-Cheng Lin, Cheng-Lin Huang
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Patent number: 10692789Abstract: A semiconductor package structure is provided. The structure includes a first semiconductor die having a first surface and a second surface opposite thereto. A first molding compound surrounds the first semiconductor die. A first redistribution layer (RDL) structure is disposed on the second surface of the first semiconductor die and laterally extends on the first molding compound. A second semiconductor die is disposed on the first RDL structure and has a first surface and a second surface opposite thereto. A second molding compound surrounds the second semiconductor die. A first protective layer covers a sidewall of the first RDL structure and a sidewall of the first molding compound.Type: GrantFiled: May 1, 2018Date of Patent: June 23, 2020Assignee: MediaTek Inc.Inventors: Nai-Wei Liu, Tzu-Hung Lin, I-Hsuan Peng, Ching-Wen Hsiao, Wei-Che Huang
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Publication number: 20200168572Abstract: 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: ApplicationFiled: January 31, 2020Publication date: May 28, 2020Applicant: MediaTek Inc.Inventors: Tzu-Hung Lin, I-Hsuan Peng, Nai-Wei Liu, Wei-Che Huang, Che-Ya Chou
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Publication number: 20200091070Abstract: 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: ApplicationFiled: June 3, 2019Publication date: March 19, 2020Applicant: MediaTek Inc.Inventors: Yen-Yao Chi, Nai-Wei Liu, Ta-Jen Yu, Tzu-Hung Lin, Wen-Sung Hsu
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Publication number: 20200013735Abstract: 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: ApplicationFiled: June 25, 2019Publication date: January 9, 2020Applicant: MediaTek Inc.Inventors: Nai-Wei Liu, Yen-Yao Chi, Yeh-Chun Kao, Shih-Huang Yeh, Tzu-Hung Lin, Wen-Sung Hsu