Patents Examined by Moin M Rahman
  • Patent number: 11881433
    Abstract: A device relates to a semiconductor device. The semiconductor device includes a narrow-line bamboo microstructure integrated within a metal layer of the semiconductor device and a narrow-line polycrystalline microstructure. The narrow-line polycrystalline microstructure is integrated within the same metal layer as the narrow-line bamboo microstructure.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: January 23, 2024
    Assignee: Tessera LLC
    Inventors: Daniel C. Edelstein, Chih-Chao Yang
  • Patent number: 11869987
    Abstract: Gate-all-around integrated circuit structures including varactors are described. For example, an integrated circuit structure includes a varactor structure on a semiconductor substrate. The varactor structure includes a plurality of discrete vertical arrangements of horizontal nanowires. A plurality of gate stacks is over and surrounding corresponding ones of the plurality of discrete vertical arrangements of horizontal nanowires. The integrated circuit structure also includes a tap structure adjacent to the varactor structure on the semiconductor substrate. The tap structure includes a plurality of merged vertical arrangements of horizontal nanowires. A plurality of semiconductor structures is over and surrounding corresponding ones of the plurality of merged vertical arrangements of horizontal nanowires.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: January 9, 2024
    Assignee: Intel Corporation
    Inventors: Ayan Kar, Saurabh Morarka, Carlos Nieva-Lozano, Kalyan Kolluru, Biswajeet Guha, Chung-Hsun Lin, Brian Greene, Tahir Ghani
  • Patent number: 11862671
    Abstract: A semiconductor device includes a semiconductor substrate of a first conductivity type, a body region of the first conductivity type, a source region of a second conductivity type, a drain region of the second conductivity type, a gate electrode, a drift region of the second conductivity type, an implanted oxide layer, and a semiconductor region of the first conductivity type. The semiconductor region is formed to extend in a direction along the top face of the semiconductor substrate. A first distance and a second distance are set so that an intensity of 0.35 MV/cm or less is observed in an electric field of a first region including the end portion of the drift region and in an electric field of a second region between the end of the semiconductor region and the drain region.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: January 2, 2024
    Assignee: Sharp Fukuyama Laser Co., Ltd.
    Inventors: Haruki Abe, Ryu Kaihara, Takahiro Takimoto
  • Patent number: 11856839
    Abstract: A light-emitting device and a method of manufacturing the same are provided. The light-emitting device may include a first electrode, a second electrode, and an interlayer located between the first electrode and the second electrode. The interlayer may include an emission layer that includes a first material, a second material, and a third material. The first material may include an inorganic semiconductor compound, an inorganic insulator compound, or any combination thereof. The second material may include a lanthanide metal. The third material may include an organic compound. An apparatus including the light-emitting device is provided.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongchan Kim, Jiyoung Moon, Jihwan Yoon, Donghui Lee, Jihye Lee, Chulsoon Lee, Hakchoong Lee, Haemyeong Lee, Yoonhyeung Cho, Wonsuk Han
  • Patent number: 11843073
    Abstract: A micro LED display device includes a display substrate. The display substrate has a first transfer area and a second transfer area adjacent to each other. Both the first transfer area and the second transfer area include a plurality of pixel areas. The pixel area of the first transfer area includes a first micro light-emitting element arranged in a straight line along a first direction. The pixel area of the second transfer area includes a second micro light-emitting element arranged in another straight line along the first direction. In the first direction, the first micro light-emitting element and the second micro light-emitting element are arranged in a staggered manner. A manufacturing method of a micro LED display device is also provided.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: December 12, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Yu-Hung Lai, Yun-Li Li, Tzu-Yang Lin
  • Patent number: 11843061
    Abstract: A power semiconductor device has a semiconductor layer structure that includes a silicon carbide drift region having a first conductivity type, first and second wells in the silicon carbide drift region that are doped with dopants having a second conductivity type, and a JFET region between the first and second wells. The first and second wells each include a main well and a side well that is between the main well and the JFET region, and each side well includes a respective channel region. A doping concentration of the JFET region exceeds a doping concentration of the silicon carbide drift region, and a minimum width of an upper portion of the JFET region is greater than a minimum width of a lower portion of the JFET region.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: December 12, 2023
    Assignee: Wolfspeed, Inc.
    Inventors: Kijeong Han, Joohyung Kim, Sei-Hyung Ryu
  • Patent number: 11832489
    Abstract: A light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: November 28, 2023
    Assignee: Samsung Display Co., LTD.
    Inventors: Pyungeun Jeon, Yoojin Sohn, Juwon Lee, Wonjong Kim
  • Patent number: 11830925
    Abstract: The present invention provides a method of manufacturing a graphene transistor 101, the method comprising: (a) providing a substrate having a substantially flat surface, wherein the surface comprises an insulating region 110 and an adjacent semiconducting region 105; (b) forming a graphene layer structure 115 on the surface, wherein the graphene layer structure is disposed on and across a portion of both the insulating region and the adjacent semiconducting region; (c) forming a layer of dielectric material 120 on a portion of the graphene layer structure which is itself disposed on the semiconducting region 105; and (d) providing: a source contact 125 on a portion of the graphene layer structure which is itself disposed on the insulating region 110; a gate contact 130 on the layer of dielectric material 120 and above a portion of the graphene layer structure which is itself disposed on the semiconducting region 105; and a drain contact 135 on the semiconducting region 105 of the substrate surface.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: November 28, 2023
    Assignee: Paragraf Limited
    Inventors: Thomas James Badcock, Robert Wallis, Ivor Guiney, Simon Thomas
  • Patent number: 11824099
    Abstract: A method includes forming a gate structure over a silicon on insulator (SOI) substrate. The SOI substrate comprising: a base semiconductor layer; an insulator layer over the base semiconductor layer; and a top semiconductor layer over the insulator layer. The method further includes depositing a gate spacer layer over a top surface and along a sidewall of the gate structure; etching the gate spacer layer to define a gate spacer on the sidewall of the gate structure; after etching the gate spacer layer, etching a recess into the top semiconductor layer using a first etch process; and after the first etch process, extending the recess further into the top semiconductor layer using a second etch process. The first etch process is different from the second etch process. The method further includes forming a source/drain region in the recess after the second etch process.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: November 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chi-Ming Chen, Kuei-Ming Chen, Po-Chun Liu, Chung-Yi Yu
  • Patent number: 11818874
    Abstract: A method for manufacturing a semiconductor device includes providing a substrate structure including a substrate, an interlayer dielectric layer, multiple trenches in the interlayer dielectric layer including first, second, third trenches for forming respective gate structures of first, second, and third transistors, forming an interface layer on the bottom of the trenches; forming a high-k dielectric layer on the interface layer and sidewalls of the trenches; forming a first PMOS work function adjustment layer on the high-k dielectric layer of the third trench; forming a second PMOS work function adjustment layer in the trenches after forming the first PMOS work function adjustment layer; forming an NMOS work function layer in the trenches after forming the second PMOS work function adjustment layer; and forming a barrier layer in the trenches after forming the NMOS work function layer and a metal gate layer on the barrier layer.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: November 14, 2023
    Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) Corporation
    Inventor: Yong Li
  • Patent number: 11814283
    Abstract: Various embodiments of the present disclosure are directed towards a microelectromechanical system (MEMS) device. The MEMS device includes a dielectric structure disposed over a first semiconductor substrate, where the dielectric structure at least partially defines a cavity. A second semiconductor substrate is disposed over the dielectric structure. The second semiconductor substrate includes a movable mass, where opposite sidewalls of the movable mass are disposed between opposite sidewall of the cavity. An anti-stiction structure is disposed between the movable mass and the dielectric structure, where the anti-stiction structure is a first silicon-based semiconductor.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: November 14, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuei-Sung Chang, Chun-Wen Cheng, Fei-Lung Lai, Shing-Chyang Pan, Yuan-Chih Hsieh, Yi-Ren Wang
  • Patent number: 11818959
    Abstract: Embodiments of the disclosure provide methods and apparatus for fabricating magnetic tunnel junction (MTJ) structures on a substrate in for hybrid (or called integrated) spin-orbit-torque magnetic spin-transfer-torque magnetic random access memory (SOT-STT MRAM) applications. In one embodiment, the method includes one or more magnetic tunnel junction structures disposed on a substrate, the magnetic tunnel junction structure comprising a first ferromagnetic layer and a second ferromagnetic layer sandwiching a tunneling barrier layer, a spin orbit torque (SOT) layer disposed on the magnetic tunnel junction structure, and a back end structure disposed on the spin orbit torque (SOT) layer.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: November 14, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Hsin-wei Tseng, Chando Park, Jaesoo Ahn, Lin Xue, Mahendra Pakala
  • Patent number: 11810962
    Abstract: A method for forming a high electron mobility transistor (HEMT) includes forming a buffer layer on a transparent substrate. The method further includes forming a barrier layer on the buffer layer. A channel region is formed in the buffer layer adjacent to the interface between the buffer layer and the barrier layer. The method further includes forming a dielectric layer on the barrier layer. The method further includes forming source/drain electrodes through the dielectric layer and the barrier layer and disposed on the buffer layer. The method further includes forming a shielding layer conformally covering the dielectric layer and the source/drain electrodes. The method further includes performing a thermal process on the source/drain electrodes.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: November 7, 2023
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Cheng-Wei Chou, Hsin-Chih Lin
  • Patent number: 11804507
    Abstract: A solid-state imaging device including a first substrate having a pixel unit formed thereon and including a first semiconductor substrate and a first multi-layered wiring layer stacked, a second substrate having a circuit formed thereon and including a second semiconductor substrate and a second multi-layered wiring layer, the circuit having a predetermined function, and a third substrate having a circuit formed thereon and including a third semiconductor substrate and a third multi-layered wiring layer. The first substrate and the second substrate are bonded together such that that the first multi-layered wiring layer and the second semiconductor substrate are opposed to each other. The solid-state imaging device includes a first coupling structure and a second coupling structure. The first coupling structure electrically couples a circuit of the first substrate and the circuit of the second substrate.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: October 31, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Ikue Mitsuhashi, Reijiroh Shohji, Minoru Ishida, Tadashi Iijima, Takatoshi Kameshima, Hideto Hashiguchi, Hiroshi Horikoshi, Masaki Haneda
  • Patent number: 11798920
    Abstract: A light emitting device includes a substrate, a plurality of light emitting elements disposed in a light-emitting region on the substrate, at least one first wiring part surrounding the light-emitting region, at least one second wiring part, together with the at least one first wiring part, demarcating the light-emitting region into a plurality of demarcated regions, a first wall formed along and covering the at least one first wiring part to surround the light-emitting region, at least one second wall formed along and covering corresponding one or more of the at least one second wiring part, and a light-transmissive member containing a wavelength converting material, covering an entire light-emitting region.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: October 24, 2023
    Assignee: NICHIA CORPORATION
    Inventor: Yusuke Kawano
  • Patent number: 11791382
    Abstract: A power semiconductor including a gate, a source, a plurality of first long-strip source metal layer, a drain and a plurality of second long-strip drain metal layer is provided. The source includes a first copper particle layer and a first metal layer that covers the bottom surface of the first copper particle layer. The source is bonded to the first long-strip source metal layer via a first metal pillar. The drain includes a second copper particle layer and a second metal layer that covers the bottom surface of the second copper particle layer. The drain is bonded to the second long-strip drain metal layer via a second metal pillar. The thickness of the first copper particle layer and the second copper particle layer are 5 ?m˜100 ?m. The first copper particle layer and the second copper particle layer are formed by plating and stacking a plurality of large-grain copper.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: October 17, 2023
    Inventors: Tso-Tung Ko, Brian Cinray Ko, Kuang-Ming Liao, Chen-Yu Liao
  • Patent number: 11791399
    Abstract: The present application discloses a method for fabricating semiconductor device with a graphene-based element. The method includes providing a substrate; forming a stacked gate structure over the substrate; forming first spacers on sidewalls of the gate stack structure, wherein the first spacers comprise graphene; forming sacrificial spacers on sidewall of the first spacers; and forming second spacers on sidewall of the sacrificial spacers.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: October 17, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Tse-Yao Huang
  • Patent number: 11784246
    Abstract: According to one embodiment, a semiconductor device includes first to fourth electrodes, a semiconductor member, and first and second insulating members. The semiconductor member is located between the second and first electrodes, and includes a first semiconductor region a second semiconductor region between the first semiconductor region and the first electrode, a third semiconductor region between the second semiconductor region and the first electrode, a fourth semiconductor region between the second semiconductor region and the first electrode, a fifth semiconductor region between the first semiconductor region and the second electrode, a sixth semiconductor region between the fifth semiconductor region and the second electrode, and a seventh semiconductor region between the fifth semiconductor region and the second electrode. A portion of the first insulating member is between the third electrode and the semiconductor member.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: October 10, 2023
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION
    Inventors: Ryohei Gejo, Tatsunori Sakano, Takahiro Kato
  • Patent number: 11777008
    Abstract: A gate-all-around structure is provided. The gate-all-around structure includes a plurality of nanostructures stacked over a substrate in a vertically direction, and the nanostructures extends from a gate region to a source/drain (S/D) region. The gate-all-around structure includes a gate structure formed in the gate region around the first nanostructures, and a S/D structure formed in the S/D region. The S/D structure is in direct contact with a top surface of one of the nanostructures.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: October 3, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chao-Ching Cheng, Yu-Lin Yang, I-Sheng Chen, Tzu-Chiang Chen
  • Patent number: 11778849
    Abstract: A display module includes a window including a base substrate and a bezel pattern overlapping the base substrate in a plan view, and a display panel. The bezel pattern includes a first bezel pattern extending along an edge of the base substrate, and a second bezel pattern which extends from the first bezel pattern and of which at least a portion defines a transmission area. The display panel includes a glass substrate, an encapsulation substrate on the glass substrate, a sealing member coupling the glass substrate and the encapsulation substrate and overlapping the first bezel pattern in the plan view, a circuit element layer disposed on the glass substrate and including a transistor, and a display element layer disposed on the circuit element layer and including light emitting elements. The display element layer exposes a portion of a layer disposed thereunder, which corresponds to the transmission area.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keehyun Nam, Jun-woo Kim, Hyesuk An, Gyung-hyun Ko, Hoon Kim