Patents Examined by Mark W Tornow
  • Patent number: 11908847
    Abstract: An image display element includes micro light emitting elements disposed in an array on a driving circuit substrate. An excitation light emitting element includes a main body including a compound semiconductor, a metal electrode disposed on a side of the main body located closer to the driving circuit substrate, and a transparent electrode disposed on an opposite side to the driving circuit substrate, and a light emission layer included in the main body is disposed on a side opposite to the driving circuit substrate from a center portion of the main body.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: February 20, 2024
    Assignee: Sharp Fukuyama Laser Co., Ltd.
    Inventors: Katsuji Iguchi, Hidenori Kawanishi, Koji Takahashi, Hiroaki Onuma
  • Patent number: 11908977
    Abstract: A semiconductor light-emitting device includes a light-emitting structure including a first semiconductor layer, an active layer, and a second semiconductor layer which are sequentially stacked, a first insulating layer on the second semiconductor layer with a plurality of first openings having first widths and a plurality of second openings having second widths different from the first widths, a first electrode electrically connected to the first semiconductor layer through the first openings, a first sub-electrode layer between the second semiconductor layer and the first insulating layer, the first sub-electrode layer being exposed through the second openings, and a second sub-electrode layer on the first insulating layer, the second sub-electrode layer being connected to the first sub-electrode layer through the second openings, wherein a first distance between the first openings closest to each other is different from a second distance between the second openings closest to each other.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: JungSung Kim, Junghee Kwak, Seong Seok Yang
  • Patent number: 11901481
    Abstract: An inventive light-emitting apparatus comprises an array of multiple light-emitting pixels, and one or more transmissive optical elements positioned at a light-emitting surface of the light-emitting pixel array. One or more of the light-emitting pixels is defective. Each optical element is positioned at a location of a corresponding defective light-emitting pixel, and extends over that defective pixel and laterally at least partly over one or more adjacent pixels. Each optical element transmits laterally at least a portion of light emitted by the adjacent pixels to propagate away from the array from the location of the defective pixel, reducing the appearance of the defective pixel.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: February 13, 2024
    Assignee: Lumileds LLC
    Inventors: Toni Lopez, Hossein Lotfi, Isaac Wildeson, Oleg Shchekin
  • Patent number: 11903263
    Abstract: A method of manufacturing a display device includes forming a first electrode on a substrate, forming a bank layer on the first electrode, wherein the bank layer includes an opening portion exposing at least a portion of the first electrode, forming a first bank layer and a second bank layer by baking the bank layer, wherein the second bank layer is on the first bank layer and has liquid repellency, forming a first layer on the first electrode, and forming a third bank layer and a fourth bank layer by baking the first bank layer and the second bank layer, wherein the fourth bank layer is on the third bank layer and has liquid repellency, wherein the fourth bank layer is thinner than the second bank layer.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongha Lee, Jongjang Park, Seulgi Han
  • Patent number: 11891555
    Abstract: A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and having a minimum reflectance of 20% or more in a specific wavelength region, in which the specific wavelength region is from the emission peak wavelength of the phosphor to 800 nm, and a light-emitting device comprising the phosphor.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: February 6, 2024
    Assignees: Mitsubishi Chemical Corporation, NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Tomoyuki Kurushima, Yuhei Inata, Naoto Hirosaki
  • Patent number: 11894493
    Abstract: A radiation-emitting semiconductor chip may include a semiconductor body, a reflector, at least one cavity, and a seal. The semiconductor body may include an active region configured to generate electronic radiation. The reflector may be configured to reflect a portion of the electromagnetic radiation. The cavity may be filled with a material having a refractive index not exceeding 1.1. The seal may be impermeable to the material. The cavity may be arranged between the reflector and the semiconductor body, and the seal may cover the underside of the reflector.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: February 6, 2024
    Assignee: OSRAM OLED GMBH
    Inventors: Korbinian Perzlmaier, Stefan Illek
  • Patent number: 11894443
    Abstract: A method of making a semiconductor device includes depositing a TiN layer over a substrate. The method further includes doping a first portion of the TiN layer using an oxygen-containing plasma treatment. The method further includes doping a second portion of the TiN layer using a nitrogen-containing plasma treatment, wherein the second portion of the TiN layer directly contacts the first portion of the TiN layer. The method further includes forming a first metal gate electrode over the first portion of the TiN layer. The method further includes forming a second metal gate electrode over the second portion of the TiN layer, wherein the first metal gate electrode has a different work function from the second metal gate electrode, and the second metal gate electrode directly contacts the first metal gate electrode.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: February 6, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ming Zhu, Hui-Wen Lin, Harry Hak-Lay Chuang, Bao-Ru Young, Yuan-Sheng Huang, Ryan Chia-Jen Chen, Chao-Cheng Chen, Kuo-Cheng Ching, Ting-Hua Hsieh, Carlos H. Diaz
  • Patent number: 11891554
    Abstract: A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and having a minimum reflectance of 20% or more in a specific wavelength region, in which the specific wavelength region is from the emission peak wavelength of the phosphor to 800 nm, and a light-emitting device comprising the phosphor.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: February 6, 2024
    Assignees: Mitsubishi Chemical Corporation, NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Tomoyuki Kurushima, Yuhei Inata, Naoto Hirosaki
  • Patent number: 11895859
    Abstract: A transparent display panel, including a substrate, a first electrode layer disposed on the substrate, a light-emitting structure layer disposed on the first electrode layer, and a second electrode layer disposed on the light-emitting structure layer; the first electrode layer includes a plurality of first electrode groups arranged along a first direction; each of the first electrode groups includes at least one first electrode extending along a second direction, the second direction intersects with the first direction; each of the at least one first electrode includes at least two first electrode blocks and at least one connecting part, and two adjacent first electrode blocks are electrically connected with each other by a corresponding connecting part.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: February 6, 2024
    Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Junhui Lou, Lu Zhang, Xiaoyang Tong, Miao Chang
  • Patent number: 11884857
    Abstract: A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and when, in a powder X-ray diffraction spectrum of the phosphor, the intensity of a peak that appears in a region where 2?=38-39° is designated as Ix and the intensity of a peak that appears in a region where 2?=37-38° is designated as Iy, the relative intensity Ix/Iy of Ix to Iy is 0.140 or less, and a light-emitting device comprising the phosphor.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: January 30, 2024
    Assignees: Mitsubishi Chemical Corporation, National Institute for Materials Science
    Inventors: Tomoyuki Kurushima, Yuhei Inata, Naoto Hirosaki
  • Patent number: 11889700
    Abstract: A semiconductor device includes a peripheral circuit region including a first substrate and circuit devices on the first substrate, a memory cell region including a second substrate on the first substrate, a horizontal conductive layer on the second substrate, gate electrodes stacked on the horizontal conductive layer in a first direction perpendicular to an upper surface of the second substrate and spaced apart from each other, and channel structures extending in gate electrodes in the first direction, each of the channel structures including a channel layer in physical contact with the horizontal conductive layer, and a through wiring region including a through contact plug extending in the first direction and electrically connecting the memory cell region to the peripheral circuit region, an insulating region bordering the through contact plug, and dummy channel structures partially extending into the insulating region in the first direction.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sooyong Lee, Seorim Moon, Bongsoo Kang, Kyungjae Park, Cheol Ryou
  • Patent number: 11888091
    Abstract: A semiconductor light emitting device includes a substrate structure, first and second regions and a main region; a light emitting structure, first and second electrode layers, an interlayer insulating layer, and a pad electrode layer. The light emitting structure is provided on the third region. The first electrode layer is provided between the substrate structure and the light emitting structure, and has a first electrode extension that extends into the first region. The second electrode layer is provided between the first electrode layer and the light emitting structure, and has a second electrode extension that extends into the second region. The interlayer insulating layer is provided between the first and second electrode layers, and has an opening exposing a portion of the first electrode extension. The pad electrode layer is provided on the interlayer insulating layer, and is connected to the portion of the first electrode extension through the opening.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Taehun Kim, Sungwon Ko, Bokyoung Kim, Jinhwan Kim, Wongoo Hur
  • Patent number: 11884856
    Abstract: A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and when, in a powder X-ray diffraction spectrum of the phosphor, the intensity of a peak that appears in a region where 2?=38-39° is designated as Ix and the intensity of a peak that appears in a region where 2?=37-38° is designated as Iy, the relative intensity Ix/Iy of Ix to Iy is 0.140 or less, and a light-emitting device comprising the phosphor.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: January 30, 2024
    Assignees: Mitsubishi Chemical Corporation, NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Tomoyuki Kurushima, Yuhei Inata, Naoto Hirosaki
  • Patent number: 11882703
    Abstract: Provided herein may be a semiconductor memory device and a method of manufacturing the semiconductor memory device. The semiconductor memory device may include a stacked body including a plurality of interlayer insulating layers and a plurality of gate electrodes that are alternately stacked on a substrate, and a plurality of channel structures configured to vertically pass through the stacked body. Each of the plurality of channel structures may include a core insulating layer, a first channel layer, a second channel layer, a tunnel insulating layer, and a charge storage layer that extend vertically towards the substrate. Electron mobility of the first channel layer may be higher than electron mobility of the second channel layer.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: January 23, 2024
    Assignee: SK hynix Inc.
    Inventors: Sungmook Lim, Dae Hwan Yun, Gil Bok Choi, Jae Hyeon Shin, In Gon Yang, Hyung Jin Choi
  • Patent number: 11881537
    Abstract: Embodiments disclose LEDs that operate using impact ionization. Devices include a first conductivity type layer having a first conductivity type, a first intrinsic layer, a charge layer, an impact ionization layer, and a contact layer. The charge layer has a net charge of the first conductivity type and has a material comprising a polar oxide or a non-polar oxide. The charge layer forms a barrier for transporting carriers of the first conductivity type until a bias is applied between the first conductivity type layer and the contact layer to flatten the barrier.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: January 23, 2024
    Assignee: Silanna UV Technologies Pte Ltd
    Inventors: Norbert Krause, Petar Atanackovic
  • Patent number: 11881518
    Abstract: A gate structure includes a substrate divided into an N-type transistor region and a P-type transistor region. An interlayer dielectric covers the substrate. A first trench is embedded in the interlayer dielectric within the N-type transistor region. A first gate electrode having a bullet-shaped profile is disposed in the first trench. A gate dielectric contacts the first trench. An N-type work function layer is disposed between the gate dielectric layer and the first gate electrode. A second trench is embedded in the interlayer dielectric within the P-type transistor region. A second gate electrode having a first mushroom-shaped profile is disposed in the second trench. The gate dielectric layer contacts the second trench. The N-type work function layer is disposed between the gate dielectric layer and the second gate electrode. A first P-type work function layer is disposed between the gate dielectric layer and the N-type work function layer.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: January 23, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Jie-Ning Yang, Wen-Tsung Chang, Po-Wen Su, Kuan-Ying Lai, Bo-Yu Su, Chun-Mao Chiou, Yao-Jhan Wang
  • Patent number: 11881499
    Abstract: A micro-LED display panel includes a substrate, an insulating layer on the substrate, and a plurality of micro-LEDs on the substrate and embedded in the insulating layer. The micro-LEDs define a display area. Each micro-LED includes a bottom surface coupled to a lower electrode and a top surface exposed from the insulating layer and coupled to the upper electrode. Conductive blocks are set outside the display area, the conductive blocks are electrically coupled to a driving circuit on the substrate. Top wires are set on a surface of the insulating layer away from the substrate and each top wire is electrically coupled to at least one upper electrode and at least one conductive block.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: January 23, 2024
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventor: Chiao-Yu Yang
  • Patent number: 11881541
    Abstract: The disclosure provides a display device. The display device includes a substrate, a transistor, an insulating layer, a light blocking layer, a light emitting element, and a light conversion element. The transistor is disposed on the substrate. The insulating layer is disposed on the substrate. The insulating layer includes at least one opening. The light blocking layer is disposed on a top surface of the insulating layer and at least partially overlapped with the transistor. The light emitting element is disposed in the at least one opening, and the light emitting element includes an electrode electrically connected to the transistor. The light conversion element is disposed on the light emitting element.
    Type: Grant
    Filed: July 4, 2022
    Date of Patent: January 23, 2024
    Assignee: InnoLux Corporation
    Inventors: Hsiao-Lang Lin, Tsung-Han Tsai
  • Patent number: 11876150
    Abstract: The disclosure describes various aspects of strain management layers for light emitting elements such as light-emitting diodes (LEDs). The present disclosure describes an LED structure formed on a substrate and having a strain management region supported on the substrate, and an active region configured to provide a light emission associated with the LED structure. The strain management region includes a first layer including a superlattice having a plurality of repeated first and second sublayers, and a second layer including a bulk layer. In an embodiment, at least one of the first and second sublayers and the bulk layer includes a composition of InxAlyGa1-x-yN. A device having multiple LED structures and a method of making the LED structure are also described.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 16, 2024
    Assignee: GOOGLE LLC
    Inventors: Miao-Chan Tsai, Benjamin Leung, Richard Peter Schneider
  • Patent number: 11877451
    Abstract: A vertical memory device includes a gate electrode structure, a channel, an insulation pattern structure, an etch stop structure, and a through via. The gate electrode structure includes gate electrodes spaced apart from each other on a substrate in a first direction perpendicular to an upper surface of the substrate, and each of the gate electrodes extends in a second direction parallel to the upper surface of the substrate. The channel extends in the first direction through the gate electrode structure. The insulation pattern structure extends through the gate electrode structure. The etch stop structure extends through the gate electrode structure and surround at least a portion of a sidewall of the insulation pattern structure, and the etch stop structure includes a filling pattern and an etch stop pattern on a sidewall of the filling pattern. The through via extends in the first direction through the insulation pattern structure.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaehoon Shin, Kangmin Kim, Kyeongjin Park, Seungmin Song, Joongshik Shin, Geunwon Lim