Patents Examined by Eugene Lee
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Patent number: 12249675Abstract: Disclosed is a semiconductor device includes a substrate provided with a plurality of pixel electrodes and a control electrode, a functional layer provided over the plurality of pixel electrodes, a transparent electrode provided over the functional layer, an insulating layer provided so as to cover an upper surface and a side surface of a laminate including the functional layer and the transparent electrode and having a first opening reaching the transparent electrode, and a light-shielding conductive layer connected to the transparent electrode via the first opening and constituting at least a part of an electrical path connecting the transparent electrode and the control electrode.Type: GrantFiled: June 9, 2021Date of Patent: March 11, 2025Assignee: Canon Kabushiki KaishaInventors: Tatsuro Uchida, Takayuki Sumida
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Patent number: 12230607Abstract: A semiconductor device includes a first semiconductor die that operates at a first power, a second semiconductor die that is formed in a stack on the first semiconductor die and operates at a second power different than the first power, and a power management semiconductor die that is formed in the stack and provides the first power to the first semiconductor die through a first via and provides the second power to the second semiconductor die through a second via.Type: GrantFiled: September 17, 2021Date of Patent: February 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Jen-Yuan Chang, Chia-Ping Lai
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Patent number: 12224218Abstract: Semiconductor packages and, more particularly, semiconductor packages with increased power handling capabilities are disclosed. Semiconductor packages may include lead frame structures and corresponding housings that incorporate semiconductor die. To promote increased current and voltage capabilities, exemplary semiconductor packages include one or more arrangements of creepage extension structures, lead frame structures that may include integral thermal pads, additional thermal elements, and combinations thereof. Creepage extension structures may be arranged as part of top sides of semiconductor packages along with thermal pads of lead frame structures and additional thermal elements. Creepage extension structures may also be arranged as part of top sides and along on one or more peripheral edges of semiconductor packages to promote further increases in power handling.Type: GrantFiled: February 11, 2022Date of Patent: February 11, 2025Assignee: WOLFSPEED, INC.Inventors: Geza Dezsi, Devarajan Balaraman, Brice McPherson
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Patent number: 12224222Abstract: A semiconductor package includes: a first substrate having a first metallized side; a semiconductor die attached to the first metallized side of the first substrate at a first side of the die, a second side of the die opposite the first side being covered by a passivation, the passivation having a first opening that exposes at least part of a first pad at the second side of the die; a thermally and electrically conductive spacer attached to the part of the first pad that is exposed by the first opening in the passivation, the spacer at least partly overhanging the passivation along at least one side face of the semiconductor die; a second substrate having a first metallized side attached to the spacer at an opposite side of the spacer as the semiconductor die; and an encapsulant encapsulating the semiconductor die and the spacer. Additional spacer embodiments are described.Type: GrantFiled: January 11, 2022Date of Patent: February 11, 2025Assignee: Infineon Technologies AGInventors: Christian Neugirg, Adrian Lis, Peter Scherl, Ewald Guenther
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Patent number: 12224344Abstract: A III-N-based vertical transistor includes a III-N substrate, a source, a drain, and a channel comprising a III-N crystal material and extending between the source and the drain. The channel includes at least one sidewall surface aligned ±0.3° with respect to an m-plane of the III-N crystal material. The III-N-based vertical transistor also includes a gate electrically coupled to the at least one sidewall surface of the channel.Type: GrantFiled: March 29, 2022Date of Patent: February 11, 2025Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Clifford Drowley, Andrew P. Edwards, Hao Cui, Subhash Srinivas Pidaparthi, Michael Craven, David DeMuynck
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Patent number: 12224352Abstract: A thin film transistor includes a stack of an active layer, a gate dielectric, and a gate electrode in a forward or in a reverse order. The active layer includes a compound semiconductor material containing oxygen, at least one acceptor-type element selected from Ga and W, and at least one heavy post-transition metal element selected from In and Sn. An atomic percentage of the at least one heavy post-transition metal element at a first surface portion of the active layer that contacts the gate dielectric is higher than an atomic percentage of the at least one heavy post-transition metal element at a second surface portion of the active layer located on an opposite side of the gate dielectric. The front channel current may be increased, and the back channel leakage current may be decreased.Type: GrantFiled: September 20, 2021Date of Patent: February 11, 2025Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Wu-Wei Tsai, Hai-Ching Chen, Po-Ting Lin
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Patent number: 12218021Abstract: A semiconductor package includes a circuit board structure, a first redistribution layer structure and first bonding elements. The circuit board structure includes outermost first conductive patterns and a first mask layer adjacent to the outermost first conductive patterns. The first redistribution layer structure is disposed over the circuit board structure. The first bonding elements are disposed between and electrically connected to the first redistribution layer structure and the outermost first conductive patterns of the circuit board structure. In some embodiments, at least one of the first bonding elements covers a top and a sidewall of the corresponding outermost first conductive pattern.Type: GrantFiled: May 31, 2023Date of Patent: February 4, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jung-Wei Cheng, Jiun-Yi Wu, Hsin-Yu Pan, Tsung-Ding Wang, Yu-Min Liang, Wei-Yu Chen
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Patent number: 12218101Abstract: Semiconductor device packages and associated assemblies are disclosed herein. In some embodiments, the semiconductor device package includes a substrate having a first side and a second side opposite the first side, a first metallization layer positioned at the first side of the substrate, and a second metallization layer in the substrate and electrically coupled to the first metallization layer. The semiconductor device package further includes a metal bump electrically coupled to the first metallization layer and a divot formed at the second side of the substrate and aligned with the metal bump. The divot exposes a portion of the second metallization layer and enables the portion to electrically couple to another semiconductor device package.Type: GrantFiled: March 17, 2022Date of Patent: February 4, 2025Assignee: Micron Technology, Inc.Inventors: Owen R. Fay, Chan H. Yoo, Mark E. Tuttle
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Patent number: 12218278Abstract: Some embodiments of the present disclosure provide a display device including a base layer, a first electrode and a second electrode extending along a first direction on the base layer, and spaced apart from each other in a second direction crossing the first direction, and light emitting elements at least partially overlapping the first electrode and at least partially overlapping the second electrode, wherein at least one of the first electrode and the second electrode includes a concavo-convex portion in which at least a portion of one of the light emitting elements overlaps with respect to a third direction that is perpendicular to the first direction and to the second direction.Type: GrantFiled: August 4, 2021Date of Patent: February 4, 2025Assignee: Samsung Display Co., Ltd.Inventors: Mun Soo Park, Dong Woo Kim, Jong Hwan Park
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Patent number: 12211822Abstract: Stacked semiconductor die assemblies with heat sinks and associated methods and systems are disclosed. In some embodiments, a controller carrying one or more memory dies may be attached to a front side of a substrate. The substrate may include a heat sink formed on its back side such that the heat sink can establish a thermal contact with the controller. Further, the heat sink may be coupled to a thermally conductive pad of a printed circuit board (PCB) that carries the substrate. In this manner, the controller may be provided with a heat path toward the PCB to dissipate thermal energy generated during operation. In some cases, the substrate may include a set of thermal vias extending from the heat sink toward the controller to enhance the thermal contact between the controller and the heat sink.Type: GrantFiled: September 25, 2023Date of Patent: January 28, 2025Assignee: Micron Technology, Inc.Inventors: Shams U. Arifeen, Christopher Glancey, Koustav Sinha
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Patent number: 12211761Abstract: A method of manufacturing a package includes mounting an electronic component on an electrically conductive carrier, encapsulating part of the carrier and the electronic component by an encapsulant, covering an exposed surface portion of the carrier with an electrically insulating and thermally conductive interface structure, and covering at least part of the interface structure by a protection cap.Type: GrantFiled: August 17, 2023Date of Patent: January 28, 2025Assignee: Infineon Technologies Austria AGInventors: Christian Kasztelan, Nee Wan Khoo
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Patent number: 12198977Abstract: A method of manufacturing a semiconductor structure includes: providing a first wafer including a first substrate, a first dielectric layer under the first substrate, and a first conductive pad surrounded by the first dielectric layer; disposing a first passivation layer over the first substrate; removing portions of the first dielectric layer, the first substrate and the first passivation layer to form a first opening exposing a portion of the first conductive pad; disposing a first conductive material within the first opening; disposing a first elastic material within the first opening and surrounded by the first conductive material; removing portions of the first conductive material and the first elastic material adjacent to an end of the first opening to form a first elastic member; and disposing a second conductive material over the first elastic member and the first conductive material to form a first conductive via surrounding the first elastic member.Type: GrantFiled: May 24, 2022Date of Patent: January 14, 2025Assignee: NANYA TECHNOLOGY CORPORATIONInventor: Shing-Yih Shih
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Patent number: 12191287Abstract: A package structure includes a first semiconductor package and a second semiconductor package over the first semiconductor package. The first semiconductor package includes a dielectric structure, a semiconductor device on the dielectric structure, under bump metallization (UBM) structures in the dielectric structure. The USB structures each include a first region and a second region surrounded by the first region. The first region has more metal layers than the second region. The bumps are respectively on the second regions of the UBM structures.Type: GrantFiled: September 25, 2023Date of Patent: January 7, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Jing-Cheng Lin, Po-Hao Tsai
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Patent number: 12191435Abstract: A semiconductor light-emitting device includes a lead frame, a semiconductor light-emitting element mounted on the top surface of the bonding region, and a case covering part of the lead frame. The bottom surface of the bonding region is exposed to the outside of the case. The lead frame includes a thin extension extending from the bonding region and having a top surface which is flush with the top surface of the bonding region. The thin extension has a bottom surface which is offset from the bottom surface of the bonding region toward the top surface of the bonding region.Type: GrantFiled: September 1, 2023Date of Patent: January 7, 2025Assignee: ROHM CO., LTD.Inventor: Masahiko Kobayakawa
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Patent number: 12186952Abstract: An injection mould and an injection moulding method are provided. The injection mould includes: a base plate, configured to place a package chip to be injection-moulded, the package chip including a substrate and at least one chip fixed on a surface of the substrate by a flip chip process, the substrate having a through hole, a glue injection channel being formed in the base plate and configured to inject a moulding compound, and the glue injection channel being connected with the through hole on the substrate. The above-mentioned injection mould can improve the reliability of the package chip after injection moulding.Type: GrantFiled: September 13, 2021Date of Patent: January 7, 2025Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventors: Jun He, Jie Liu, Changhao Quan, Zhan Ying
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Patent number: 12176275Abstract: A semiconductor device is provided, including a MOSFET die, a first GaN die and a second GaN die. The first GaN die and the second GaN die are arranged in a cascode arrangement. The second GaN die is positioned in an inverted orientation. The MOSFET die controls the first GaN die and the second GaN die.Type: GrantFiled: February 15, 2022Date of Patent: December 24, 2024Assignee: NEXPERIA B.V.Inventors: Ricardo Yandoc, Dilder Chowdhury, Ilyas Dchar
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Patent number: 12165965Abstract: A semiconductor device according to an embodiment includes: an insulating substrate having a first metal layer and a second metal layer on a surface of the insulating substrate; a semiconductor chip including an upper electrode and a lower electrode, the upper electrode being electrically connected to the first metal layer, the lower electrode being electrically connected to the second metal layer; a first main terminal including a first end and a second end, the first end being electrically connected to the first metal layer; a second main terminal including a third end and a fourth end, the third end being electrically connected to the second metal layer; a first detection terminal being electrically connected between the first end and the second end of the first main terminal; and a second detection terminal being electrically connected to the first metal layer.Type: GrantFiled: August 23, 2023Date of Patent: December 10, 2024Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventors: Tomohiro Iguchi, Tatsuya Hirakawa
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Patent number: 12159831Abstract: A circuit device includes: a first substrate having a first barrier layer; a second substrate having a second barrier layer; a first conductive portion arranged over the first barrier layer; a second conductive portion arranged over the second barrier layer; a first expanding pad arranged on the first conductive portion and including a first contact area greater than that of the first conductive portion; and a second expanding pad bonded to the first expanding pad, arranged on the second conductive portion and including a second expanded contact area greater than that of the second conductive portion. The first barrier layer and the second barrier layer include aluminum fluoride.Type: GrantFiled: November 14, 2023Date of Patent: December 3, 2024Assignee: NANYA TECHNOLOGY CORPORATIONInventor: Tzu-Ching Tsai
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Patent number: 12142686Abstract: The present disclosure relates to semiconductor structures and, more particularly, to field effect transistors and methods of manufacture. The structure includes: at least one gate structure having source/drain regions; at least one isolation structure within the source/drain regions in a substrate material; and semiconductor material on a surface of the at least one isolation structure in the source/drain regions.Type: GrantFiled: May 26, 2021Date of Patent: November 12, 2024Assignee: GLOBALFOUNDRIES U.S. Inc.Inventors: Anthony K. Stamper, Uzma Rana, Steven M. Shank, Mark D. Levy
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Patent number: 12136674Abstract: A semiconductor device with favorable electrical characteristics is provided. A semiconductor device with stable electrical characteristics is provided. A highly reliable display device is provided. The semiconductor device includes a first conductive layer, a first insulating layer, a semiconductor layer, and a pair of second conductive layers. The first insulating layer is in contact with a top surface of the first conductive layer. The semiconductor layer is in contact with a top surface of the first insulating layer. The pair of second conductive layers are in contact with a top surface of the semiconductor layer. The pair of second conductive layers are apart from each other in a region overlapping with the first conductive layer.Type: GrantFiled: February 17, 2020Date of Patent: November 5, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Toshimitsu Obonai, Junichi Koezuka, Kenichi Okazaki