Patents Examined by Mary Wilczewski
  • Patent number: 12293912
    Abstract: A group-III-nitride structure and a manufacturing method thereof are provided. In the manufacturing method, one or more grooves are formed by etching a first group-III-nitride epitaxial layer with a patterned first mask layer as a mask; then a second mask layer is formed at least on one or more bottom walls of the one or more grooves, and a first epitaxial growth is performed on the first group-III-nitride epitaxial layer to laterally grow and form a second group-III-nitride epitaxial layer with the second mask layer as a mask, where the one or more grooves are filled with the second group III-nitride epitaxial layer; a second epitaxial growth is then performed on the second group-III-nitride epitaxial layer to grow and form a third group-III-nitride epitaxial layer on the second group-III-nitride epitaxial layer and the patterned first mask layer.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: May 6, 2025
    Assignee: ENKRIS SEMICONDUCTOR, INC.
    Inventors: Kai Cheng, Weihua Liu
  • Patent number: 12294042
    Abstract: Solid state lighting apparatuses, systems, and related methods are provided. An example apparatus can include one or more light emitting diodes (LEDs) and a dark or black encapsulation layer surrounding and/or disposed between the one or more LEDs. The apparatus can include, e.g., a substrate or a leadframe for mounting the LEDs. A method for producing a panel of LEDs can include joining the LEDs to the panel, e.g., by bump bonding, and flooding the panel with dark or black encapsulation material so that the LED chips are surrounded by the dark or black encapsulation material.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 6, 2025
    Assignee: CreeLED, Inc.
    Inventors: Christopher P. Hussell, Zhenyu Zhong
  • Patent number: 12289898
    Abstract: A semiconductor device has a package substrate, a system-on-chip (SoC) die, and a power management integrated circuit (PMIC) die, arranged in a vertical stack. The SoC die is disposed on a first surface of the package substrate, and the PMIC die is mechanically coupled to a second surface of the package substrate. The PMIC die is electrically coupled to the SOC die via first via connectors of the package substrate and configured to provide DC power to the SOC die via DC connectors electrically coupled to the via connectors of the package substrate. The PMIC die includes thin film inductors, corresponding to the DC connectors, on a surface of the PMIC die and located adjacent to the second surface of the package substrate.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: April 29, 2025
    Assignee: QUALCOMM Incorporated
    Inventors: Peng Zou, Syrus Ziai
  • Patent number: 12284817
    Abstract: Heterostructure and double-heterostructure trench-gate devices, in which the substrate and/or the body are constructed of a narrower-bandgap semiconductor material than the uppermost portion of the drift region. Fabrication most preferably uses a process where gate dielectric anneal is performed after all other high-temperature steps have already been done.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: April 22, 2025
    Assignee: MaxPower Semiconductor Inc.
    Inventors: Jun Zeng, Mohamed N. Darwish
  • Patent number: 12278122
    Abstract: A heating device for heating a substrate is provided. The heating device comprises a support portion configured to support the substrate, and a light irradiation unit configured to heat the substrate by irradiating the substrate supported by the support portion with light. A plurality of zones are set in the light irradiation unit, and each of the plurality of zones set in the light irradiation unit irradiates different portions of a surface of the substrate supporeted by the support portion with light. During the heating by the light irradiation unit, the plurality of zones take turns so that some zones of the plurality of zones are utilized.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: April 15, 2025
    Assignee: Tokyo Electron Limited
    Inventors: Takashi Sugimoto, Hiroyuki Takahashi, Shinya Okano
  • Patent number: 12279494
    Abstract: Provided is a display substrate. A base substrate includes a display region (100), a binding region located on one side of the display region (100), and a first peripheral region (200) located between the display region and the binding region. The display region (100) comprises multiple display units. A power line (210, 220) is disposed in the first peripheral region (200) of the base substrate, and is electrically connected to the display units. An organic insulating layer is disposed on the side of the power line away from the base substrate. In the first peripheral region (200), the organic insulating layer includes at least two organic grooves and an isolation dam (410, 420) disposed between every two adjacent organic grooves, and the organic grooves penetrate through the organic insulating layer.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: April 15, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tinghua Shang, Haigang Qing, Lulu Yang, Zhengwei Luo
  • Patent number: 12272637
    Abstract: Among other things, a method of fabricating an integrated electronic device package is described. First trace portions of an electrically conductive trace are formed on an electrically insulating layer of a package structure, and vias of the conductive trace are formed in a sacrificial layer disposed on the electrically insulating layer. The sacrificial layer is removed, and a die is placed above the electrically insulating layer. Molding material is formed around exposed surfaces of the die and exposed surfaces of the vias, and a magnetic structure is formed within the layer of molding material. Second trace portions of the electrically conductive trace are formed above the molding material and the magnetic structure. The electrically conductive trace and the magnetic structure form an inductor. The electrically conductive trace may have a coil shape surrounding the magnetic structure. The die may be positioned between portions of the inductor.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: April 8, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Wen-Shiang Liao, Chih-Hang Tung, Chen-Hua Yu, Chewn-Pu Jou, Feng Wei Kuo
  • Patent number: 12272586
    Abstract: 3D semiconductor device including: a first level including first single-crystal transistors; a plurality of memory control circuits formed from at least a portion of the first single-crystal transistors; a first metal layer disposed atop the first single-crystal transistors; a second metal layer disposed atop the first metal layer, a second level disposed atop the second metal layer includes second transistors and a memory array of first memory cells, a third level including second memory cells which include some third transistors, which themselves include a metal gate and is disposed above the second level; a third metal layer disposed above the third level; a fourth metal layer disposed above the third metal layer, a connective path from the third metal layer to the second metal layer with a thru second level via of a diameter less than 800 nm which also passes thru the memory array, different write voltages for different dies.
    Type: Grant
    Filed: December 17, 2023
    Date of Patent: April 8, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12266572
    Abstract: A method includes forming a semiconductor fin, forming a gate stack on the semiconductor fin, and a gate spacer on a sidewall of the gate stack. The method further includes recessing the semiconductor fin to form a recess, performing a first epitaxy process to grow a first epitaxy semiconductor layer in the recess, wherein the first epitaxy semiconductor layer, and performing a second epitaxy process to grow an embedded stressor extending into the recess. The embedded stressor has a top portion higher than a top surface of the semiconductor fin, with the top portion having a first sidewall contacting a second sidewall of the gate spacer, and with the sidewall having a bottom end level with the top surface of the semiconductor fin. The embedded spacer has a bottom portion lower than the top surface of the semiconductor fin.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: April 1, 2025
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Shahaji B. More
  • Patent number: 12256585
    Abstract: A thin film transistor includes a gate electrode, a semiconductor layer overlapped with the gate electrode, a gate insulating layer between the gate electrode and the semiconductor layer, and a source electrode and a drain electrode electrically connected to the semiconductor layer. The semiconductor layer includes a plurality of holes. The gate insulating layer may include a plurality of recess portions at a surface of the gate insulating layer facing the semiconductor layer. A method of manufacturing the thin film transistor is provided. A thin film transistor array panel and an electronic device may include the thin film transistor.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: March 18, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo Young Kim, Byong Gwon Song, Jeong Il Park, Jiyoung Jung
  • Patent number: 12255186
    Abstract: The present application provides a splicing display device. The splicing display device includes at least two display devices, a middle frame and a light emitting diode (LED) substrate. Each two adjacent display devices are spliced to form a gap. The display device includes a backplate and is arranged on the backplate. The middle frame includes a support part and a fixing part connected to the support part, the support part is arranged on the two panels and covers the gap. The fixing part is arranged in the gap and is detachably connected to the backplate. The LED substrate is arranged on the support part.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: March 18, 2025
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yao Chen, Min Wang
  • Patent number: 12243853
    Abstract: A stack package includes a core die disposed over a package substrate, and a controller die disposed between the core die and the package substrate to control the core die. The core die includes banks each including memory cell arrays, an interbank region in which row decoders and column decoders are arranged, and a pad region in which first connection pads electrically connected to the row decoders and column decoders through first wirings are disposed. The controller die includes a through via region in which controller die through vias penetrating the controller die to be connected to the first connection pads are disposed, and a circuit region in which controlling circuitry electrically connected to the controller die through vias through second wirings is disposed.
    Type: Grant
    Filed: October 2, 2023
    Date of Patent: March 4, 2025
    Assignee: SK hynix Inc.
    Inventor: Bok Kyu Choi
  • Patent number: 12245486
    Abstract: An electro-optical device is provided and includes a first light-emitting element configured to emit light in a first wavelength region, a second light-emitting element configured to emit light in a second wavelength region shorter than the first wavelength region, a third light-emitting element configured to emit light in a third wavelength region shorter than the second wavelength region, a first filter configured to transmit light in the first wavelength region and light in the second wavelength region and absorb light in the third wavelength region, and a second filter configured to transmit light in the first wavelength region and light in the third wavelength region and absorb light in the second wavelength region.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: March 4, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takeshi Koshihara, Jun Irobe
  • Patent number: 12230632
    Abstract: An integrated circuit (IC) structure includes a first transistor and a second transistor. The first transistor includes a first active region and a first gate disposed on the first active region, in which the first gate has a first effective gate length along a first direction parallel to a lengthwise direction of the first active region. The second transistor includes a second active region and a second gate disposed on the second active region, and includes a plurality of gate structures arranged along the first direction and separated from each other, in which the second gate has a second effective gate length along the first direction, the second effective gate length is n times the first effective gate length, and n is a positive integer greater than 1.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: February 18, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chien-Yuan Chen, Hau-Tai Shieh
  • Patent number: 12224213
    Abstract: Semiconductor devices and methods are provided. A semiconductor device according to the present disclosure includes a substrate having a first area and a second area, a plurality of fin structures extending along a direction over the first area and the second area of the substrate, a first transistor and a second transistor in the first area, a first isolation structure disposed between the first transistor and the second transistor, a first isolation structure disposed between the first transistor and the second transistor, a third transistor and a fourth transistor in the second area, and a second isolation structure disposed between the third transistor and the fourth transistor. The first isolation structure includes a first width along the direction and the second isolation structure includes a second width along the direction. The second width is greater than the first width.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: February 11, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Sung-Hsin Yang, Jung-Chi Jeng, Ru-Shang Hsiao
  • Patent number: 12205992
    Abstract: A crystalline oxide thin film contains an In element, a Ga element and an Ln element, in which the In element is a main component, the Ln element is at least one element selected from the group consisting of La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and an average crystal grain size D1 is in a range from 0.05 ?m to 0.5 ?m.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: January 21, 2025
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Emi Kawashima, Kazuyoshi Inoue, Masashi Oyama, Masatoshi Shibata
  • Patent number: 12207463
    Abstract: A vertical non-volatile memory device capable of stably maintaining an operating temperature in a chip level, a semiconductor package including the memory device, and a heat dissipation method of the memory device. The vertical non-volatile memory device includes a substrate on which a cell array area and an extension area are defined, a vertical channel structure formed on the substrate, a thermoelectric device including at least two semiconductor pillars formed on the substrate, and a stacked structure on the substrate. The stacked structure includes a gate electrode layer and an interlayer insulation layer which are stacked alternately along sidewalls of the vertical channel structure and the at least two semiconductor pillars. The at least two semiconductor pillars include an n-type semiconductor pillar and a p-type semiconductor pillar which are electrically connected to each other through a conductive layer on the substrate.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: January 21, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaebeom Byun, Jongsam Kim, Sehwan Park
  • Patent number: 12198762
    Abstract: A memory array comprising strings of memory cells comprises laterally-spaced memory blocks individually comprising a vertical stack comprising alternating insulative tiers and conductive tiers above a conductor tier. Strings of memory cells comprise channel-material strings that extend through the insulative tiers and the conductive tiers. The channel-material strings directly electrically couple to conductor material of the conductor tier. The insulative tier immediately-above a lowest of the conductive tiers comprises a lower first insulating material and an upper second insulating material above the upper first insulating material. The upper second insulating material is of different composition from that of the lower first insulating material. Intervening material is laterally-between and longitudinally-along immediately-laterally-adjacent of the memory blocks. Other embodiments, including method, are disclosed.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: January 14, 2025
    Assignee: Micron Technology, Inc.
    Inventors: Alyssa N. Scarbrough, John D. Hopkins, Jordan D. Greenlee
  • Patent number: 12200931
    Abstract: A method of producing a semiconductor memory device includes, when three directions crossing each other are set to first, second, and third directions, respectively, laminating a plurality of first laminates and a plurality of second laminates on a semiconductor substrate in the third direction. The method further includes forming ends of the plurality of first laminates in shapes of steps extending in the first direction, and forming ends of the plurality of second laminates in shapes of steps extending in both directions of the first direction and the second direction.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: January 14, 2025
    Assignee: Kioxia Corporation
    Inventors: Tadashi Iguchi, Murato Kawai, Toru Matsuda, Hisashi Kato, Megumi Ishiduki
  • Patent number: 12200939
    Abstract: According to one embodiment, a semiconductor memory device includes first to second areas, a plurality of conductive layers, first to fourth members, and a plurality of pillars. The second area includes a first contact area including first to third sub-areas. The conductive layers include first to fourth conductive layers. The first conductive layer includes a first terrace portion in the first sub-area. The second conductive layer includes a second terrace portion in the third sub-area. The third conductive layer includes a third terrace portion in the first sub-area. The fourth conductive layer includes a fourth terrace portion in the third sub-area.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: January 14, 2025
    Assignee: Kioxia Corporation
    Inventor: Kojiro Shimizu