Patents by Inventor Keng-Han Lin
Keng-Han Lin 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: 20240387789Abstract: In an embodiment, a device includes: an interconnect structure including a first contact pad, a second contact pad, and an alignment mark; a light emitting diode including a cathode and an anode, the cathode connected to the first contact pad; an encapsulant encapsulating the light emitting diode; a first conductive via extending through the encapsulant, the first conductive via including a first seed layer, the first seed layer contacting the second contact pad; a second conductive via extending through the encapsulant, the second conductive via including a second seed layer, the first seed layer and the second seed layer including a first metal; and a hardmask layer between the second seed layer and the alignment mark, the hardmask layer including a second metal, the second metal different from the first metal.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Inventors: Chen-Hua Yu, Keng-Han Lin, Hung-Jui Kuo, Hui-Jung Tsai
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Publication number: 20240105901Abstract: In an embodiment, a device includes: an interconnect structure including a first contact pad, a second contact pad, and an alignment mark; a light emitting diode including a cathode and an anode, the cathode connected to the first contact pad; an encapsulant encapsulating the light emitting diode; a first conductive via extending through the encapsulant, the first conductive via including a first seed layer, the first seed layer contacting the second contact pad; a second conductive via extending through the encapsulant, the second conductive via including a second seed layer, the first seed layer and the second seed layer including a first metal; and a hardmask layer between the second seed layer and the alignment mark, the hardmask layer including a second metal, the second metal different from the first metal.Type: ApplicationFiled: December 1, 2023Publication date: March 28, 2024Inventors: Chen-Hua Yu, Keng-Han Lin, Hung-Jui Kuo, Hui-Jung Tsai
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Patent number: 11855246Abstract: In an embodiment, a device includes: an interconnect structure including a first contact pad, a second contact pad, and an alignment mark; a light emitting diode including a cathode and an anode, the cathode connected to the first contact pad; an encapsulant encapsulating the light emitting diode; a first conductive via extending through the encapsulant, the first conductive via including a first seed layer, the first seed layer contacting the second contact pad; a second conductive via extending through the encapsulant, the second conductive via including a second seed layer, the first seed layer and the second seed layer including a first metal; and a hardmask layer between the second seed layer and the alignment mark, the hardmask layer including a second metal, the second metal different from the first metal.Type: GrantFiled: October 25, 2021Date of Patent: December 26, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Hua Yu, Keng-Han Lin, Hung-Jui Kuo, Hui-Jung Tsai
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Patent number: 11756879Abstract: A semiconductor device includes a die, a plurality of dielectric layers over the die, a via and at least one ring. The dielectric layers include a plurality of first surfaces facing the die. The via penetrates through the plurality of dielectric layers and includes at least one second surface facing the die. The ring surrounds the via and is disposed in at least one of the plurality of dielectric layers. The ring includes a third surface facing the die, wherein the third surface of the at least one ring is inserted between the at least one second surface of the via and the first surface of the at least one of the plurality of dielectric layers.Type: GrantFiled: August 6, 2021Date of Patent: September 12, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Jui Kuo, Hui-Jung Tsai, Keng-Han Lin, Jyun-Siang Peng
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Publication number: 20220045254Abstract: In an embodiment, a device includes: an interconnect structure including a first contact pad, a second contact pad, and an alignment mark; a light emitting diode including a cathode and an anode, the cathode connected to the first contact pad; an encapsulant encapsulating the light emitting diode; a first conductive via extending through the encapsulant, the first conductive via including a first seed layer, the first seed layer contacting the second contact pad; a second conductive via extending through the encapsulant, the second conductive via including a second seed layer, the first seed layer and the second seed layer including a first metal; and a hardmask layer between the second seed layer and the alignment mark, the hardmask layer including a second metal, the second metal different from the first metal.Type: ApplicationFiled: October 25, 2021Publication date: February 10, 2022Inventors: Chen-Hua Yu, Keng-Han Lin, Hung-Jui Kuo, Hui-Jung Tsai
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Patent number: 11232971Abstract: A workpiece holding mechanism, a process system and a manufacturing method of a semiconductor structure are provided. The workpiece holding mechanism is used in a vacuum chamber, and includes a stage, a platen and a workpiece clamper. The platen is disposed over the stage, and configured to support a workpiece. The workpiece clamper is standing on the stage, and configured to clamp the workpiece from above the workpiece. The workpiece clamper includes a plurality of supporting elements and an elevated structure. The supporting elements are connected between the stage and the elevated structure. The platen is surrounded by the supporting elements. The elevated structure is configured to physically contact a peripheral region of the workpiece from above the workpiece.Type: GrantFiled: December 18, 2019Date of Patent: January 25, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Jui Kuo, Hui-Jung Tsai, Keng-Han Lin
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Publication number: 20210366826Abstract: A semiconductor device includes a die, a plurality of dielectric layers over the die, a via and at least one ring. The dielectric layers include a plurality of first surfaces facing the die. The via penetrates through the plurality of dielectric layers and includes at least one second surface facing the die. The ring surrounds the via and is disposed in at least one of the plurality of dielectric layers. The ring includes a third surface facing the die, wherein the third surface of the at least one ring is inserted between the at least one second surface of the via and the first surface of the at least one of the plurality of dielectric layers.Type: ApplicationFiled: August 6, 2021Publication date: November 25, 2021Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Jui Kuo, Hui-Jung Tsai, Keng-Han Lin, Jyun-Siang Peng
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Patent number: 11158775Abstract: In an embodiment, a method includes: connecting a light emitting diode to a substrate; encapsulating the light emitting diode with a photosensitive encapsulant; forming a first opening through the photosensitive encapsulant adjacent the light emitting diode; and forming a conductive via in the first opening.Type: GrantFiled: October 12, 2018Date of Patent: October 26, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Hua Yu, Keng-Han Lin, Hung-Jui Kuo, Hui-Jung Tsai
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Patent number: 11088068Abstract: Semiconductor packages and methods of forming the same are disclosed. The semiconductor package includes a package, a device and a screw. The package includes a plurality of dies, an encapsulant encapsulating the plurality of dies, and a redistribution structure over the plurality of dies and the encapsulant. The device is disposed over the package, wherein the dies and the encapsulant are disposed between the device and the redistribution structure. The screw penetrates through the package and the device.Type: GrantFiled: April 29, 2019Date of Patent: August 10, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Jui Kuo, Hui-Jung Tsai, Keng-Han Lin, Jyun-Siang Peng
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Publication number: 20210193499Abstract: A workpiece holding mechanism, a process system and a manufacturing method of a semiconductor structure are provided. The workpiece holding mechanism is used in a vacuum chamber, and includes a stage, a platen and a workpiece clamper. The platen is disposed over the stage, and configured to support a workpiece. The workpiece clamper is standing on the stage, and configured to clamp the workpiece from above the workpiece. The workpiece clamper includes a plurality of supporting elements and an elevated structure. The supporting elements are connected between the stage and the elevated structure. The platen is surrounded by the supporting elements. The elevated structure is configured to physically contact a peripheral region of the workpiece from above the workpiece.Type: ApplicationFiled: December 18, 2019Publication date: June 24, 2021Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Hung-Jui Kuo, Hui-Jung Tsai, Keng-Han Lin
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Publication number: 20200343179Abstract: Semiconductor packages and methods of forming the same are disclosed. The semiconductor package includes a package, a device and a screw. The package includes a plurality of dies, an encapsulant encapsulating the plurality of dies, and a redistribution structure over the plurality of dies and the encapsulant. The device is disposed over the package, wherein the dies and the encapsulant are disposed between the device and the redistribution structure. The screw penetrates through the package and the device.Type: ApplicationFiled: April 29, 2019Publication date: October 29, 2020Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Hung-Jui Kuo, Hui-Jung Tsai, Keng-Han Lin, Jyun-Siang Peng
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Publication number: 20190378962Abstract: In an embodiment, a method includes: connecting a light emitting diode to a substrate; encapsulating the light emitting diode with a photosensitive encapsulant; forming a first opening through the photosensitive encapsulant adjacent the light emitting diode; and forming a conductive via in the first opening.Type: ApplicationFiled: October 12, 2018Publication date: December 12, 2019Inventors: Chen-Hua Yu, Keng-Han Lin, Hung-Jui Kuo, Hui-Jung Tsai