Patents by Inventor Yong-Hoon An

Yong-Hoon An 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).

  • Patent number: 10720597
    Abstract: An electroluminescent display device includes: a substrate including a subpixel; a thin film transistor disposed at the subpixel; an overcoat layer disposed on the thin film transistor; a first electrode disposed on the overcoat layer and electrically connected to the thin film transistor; a bank layer disposed on the overcoat layer and the first electrode, the bank layer including a plurality of openings configured to expose the first electrode and a plurality of opening patterns formed in a bar shape to expose the first electrode and connect the plurality of openings; an emitting layer disposed on the first electrode and the bank layer; and a second electrode disposed on the emitting layer.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: July 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Hoon Choi, Keum-Kyu Min, Won-Hoe Koo
  • Patent number: 10699983
    Abstract: A semiconductor package includes a package substrate, a lower semiconductor chip on the package substrate, a heat emission member on the lower semiconductor chip, the heat emission member having a horizontal unit and a vertical unit connected to the horizontal unit, a first semiconductor chip stack and a second semiconductor chip stack on the horizontal unit, and a molding member that surrounds the lower semiconductor chip, the first and second semiconductor chip stacks, and the heat emission member. The vertical unit may be arranged between the first semiconductor chip stack and the second semiconductor chip stack, and an upper surface of the vertical unit may be exposed in the molding member.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: June 30, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kil-soo Kim, Yong-hoon Kim, Hyun-ki Kim, Kyung-suk Oh
  • Patent number: 10695390
    Abstract: The present invention relates to: a composition comprising a Sicyos angulatus extract or a fraction thereof as an effective ingredient for preventing, alleviating, or treating liver diseases; and a method for preventing or treating liver diseases, comprising a step of administering the composition to a subject suspected of having a liver disease.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: June 30, 2020
    Assignee: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Chul Ho Lee, Yong-Hoon Kim, Jung Ran Noh, Dong Hui Choi, Jung Hwan Hwang, Kyoung Shim Kim, Yun-Jung Seo, In-Bok Lee, Jung-Hyeon Choi
  • Patent number: 10693108
    Abstract: A light extraction pattern is disposed in each hole of a first electrode, or a first electrode including round portions and pattern portions is disposed so that light trapped in an emission layer can be output uniformly. In this way, the light extraction efficiency can be effectively improved, and occurrence of a black area can be prevented.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: June 23, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jin-Tae Kim, Won-Hoe Koo, Yong-Hoon Choi
  • Patent number: 10663007
    Abstract: An injection apparatus to mold a combined member with excellent performance to a constant-velocity joint boot to seal constant-velocity universal joints. The constant-velocity universal joints are used for smooth operation of a drive shaft which transfers driving power from a differential gear of a vehicle to a hub on which a tire is mounted. An injection method of the combined member of the constant-velocity joint boot. A constant-velocity joint boot manufactured by the injection method of the combined member.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: May 26, 2020
    Inventors: Yong-Hoon Hur, Young-Chun Kim
  • Patent number: 10663647
    Abstract: A backlight unit includes a light guide plate; a wavelength conversion member disposed on a surface of the light guide plate; and a housing which houses the wavelength conversion member and is fused to the light guide plate.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: May 26, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Suk Seo, Kwang Wook Choi, Yong Hoon Kwon, Sung Chul Kim, Seok Hyun Nam, Si Joon Song
  • Patent number: 10658623
    Abstract: An electroluminescent display device includes an overcoat layer on a substrate; a plurality of low-refractive members formed of an inorganic matter and disposed on the overcoat layer; a first electrode on the overcoat layer and the plurality of low-refractive members; a bank layer disposed on the overcoat layer and the first electrode and including an opening configured to expose the first electrode; an emitting layer disposed on the first electrode; and a second electrode disposed on the emitting layer, wherein each of the plurality of low-refractive members includes a first flat surface contacting the first electrode, a second flat surface having an area greater than that of the first flat surface and contacting the overcoat layer and first and second inclined surfaces connecting the first flat surface and the second flat surface, and, wherein a refractive index of each of the plurality of low-refractive members is lower than those of the overcoat layer and the first electrode.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: May 19, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Hoon Choi, Won-Hoe Koo
  • Patent number: 10651210
    Abstract: A thin film transistor array substrate includes: a base substrate; a first transistor including a first electrode on a surface of the base substrate, a spacer, on the first electrode, a second electrode on the spacer, a first active layer contacting the first electrode, the spacer and the second electrode, and a first gate electrode opposite to the first active layer with a first insulating layer interposed therebetween; a storage capacitor including a first storage electrode integrally connected to the first electrode or the second electrode, and a second storage electrode opposite to the first storage electrode with the first insulating layer interposed therebetween, where the second storage electrode is integrally connected to the first gate electrode; and a second transistor electrically connected to the storage capacitor, where the second transistor includes a second active layer extending in a direction intersecting the base substrate.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jee Hoon Kim, Shin Hyuk Yang, Yong Hoon Won, Kwang Soo Lee
  • Patent number: 10651427
    Abstract: The present disclosure relates to an organic light-emitting diode (OLED) display, and more particularly, to an OLED display having improved light extraction efficiency. According to the present disclosure, since a plurality of holes are formed in a first electrode of a light-emitting diode and a insulating material is disposed in each of the holes, an organic light-emitting layer and a second electrode constitute a microlens, thereby improving light extraction efficiency of the OLED display. As a result, brightness may be improved, and power consumption may be reduced. In particular, since the plurality of holes are formed in the first electrode and the insulating material is disposed in each of the plurality of holes, an interface between the insulating material and the first electrode is decreased, thereby further improving light extraction efficiency.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: May 12, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Woo-Ram Youn, Yong-Hoon Choi
  • Publication number: 20200135790
    Abstract: An image sensor package includes an image sensor chip, a logic chip, and a memory chip structure that are vertically stacked. The image sensor chip includes a pixel array and an interconnection structure that receives a power voltage, ground voltage, or signals. The logic chip processes pixel signals from the image sensor chip and receives the power voltage, ground voltage, or signals via the image sensor chip. The memory chip structure includes a memory chip, a molding portion surrounding the memory chip, and at least one through mold via contact vertically passing through the molding portion and connected to at least one of the logic or memory chip. The memory chip stores at least one of a pixel signal processed by the logic chip or a pixel signal from the image sensor chip and receives the power voltage, ground voltage, or signals via the image sensor chip and logic chip.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 30, 2020
    Inventors: Yong-hoon KIM, Ji-chul KIM, Seung-yong CHA, Jae-choon KIM
  • Publication number: 20200119009
    Abstract: A semiconductor device includes a substrate having an active pattern, a conductive pattern crossing the active pattern, a spacer structure on at least one side surface of the conductive pattern, and a capping structure on the conductive pattern. The capping structure includes a first capping pattern and a second capping pattern. The second capping pattern is disposed on a top surface of the first capping pattern and a top surface of the spacer structure.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: YOONJAE KIM, CHEOL KIM, YONG-HOON SON, JIN-HYUK YOO, WOOJIN JUNG
  • Publication number: 20200083179
    Abstract: A substrate having an embedded interconnect structure includes an interconnect structure including a circuit member including circuit layers and a passive device disposed in parallel with the circuit member and including an external electrode, and a printed circuit board including an insulating layer covering the interconnect structure, a first wiring layer disposed on the insulating layer, a first wiring via penetrating through at least a portion of the insulating layer and electrically connecting the first wiring layer to an uppermost circuit layer, among the circuit layers, and a second wiring via penetrating through at least a portion of the insulating layer and electrically connecting the first wiring layer to the external electrode of the passive device. A top surface of the uppermost circuit layer, contacting the first wiring via, is coplanar with a top surface of the external electrode, contacting the second wiring via.
    Type: Application
    Filed: November 28, 2018
    Publication date: March 12, 2020
    Inventors: Doo Hwan LEE, Yong Hoon KIM, Tae Je CHO, Jin Won LEE
  • Patent number: 10586887
    Abstract: Disclosed are a deterministic quantum emitter operating at room temperature in an optical communication wavelength using the intersubband transition of a nitride-based semiconductor quantum dot, a method of fabricating the same, and an operating method thereof. A method of fabricating a quantum emitter includes forming a three-dimensional (3-D) structure in a substrate, forming an n type-doped thin film at the upper part of the 3-D structure, forming a quantum dot over the n type-doped thin film, regrowing the 3-D structure in order to use the 3-D structure as an optical structure, depositing a metal thin film at a vertex of the 3-D structure, and connecting electrodes to an n type-doped area and the metal thin film, respectively. A carrier may be captured in the quantum dot by applying a voltage to the connected electrodes. The quantum emitter may be driven by optically exciting the quantum dot.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: March 10, 2020
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Yong-Hoon Cho, Hwanseop Yeo, JongHoi Cho
  • Publication number: 20200075627
    Abstract: Integrated circuit devices and methods of forming the same are provided. The devices may include a substrate including a cell region and an extension region and conductive layers stacked on the cell region in a vertical direction. The conductive layers may extend onto the extension region and may have a stair-step structure on the extension region. The devices may also include vertical structures on the substrate. Each of the vertical structures may extend in the vertical direction, and the vertical structures may include a first vertical structure on the cell region and a second vertical structure on the extension region. The first vertical structure may extend through the conductive layers and may include a first channel layer, the second vertical structure may be in the stair-step structure and may include a second channel layer, and the second channel layer may be spaced apart from the substrate in the vertical direction.
    Type: Application
    Filed: March 6, 2019
    Publication date: March 5, 2020
    Inventors: SUNG-SOO AHN, YONG-HOON SON, MINHYUK KIM, JAE HO MIN, DAEHYUN JANG
  • Patent number: 10578916
    Abstract: A backlight unit includes: a light guide plate through which light is provided to a display panel which displays an image with the light; a light source which emits the light to the light guide plate, the light source disposed facing a light incident side surface of the light guide plate; and a wavelength-converting film through which emitted light from the light source is wavelength-converted and provided to the light incident side surface of the light guide plate. The wavelength-converting film includes: a first end portion thereof connected to the light guide plate, a central portion thereof disposed between the light source and the light incident side surface of the light guide plate, and glass in which wavelength-converting particles are dispersed.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Young Hye Son, Eui Jeong Kang, Yong Hoon Kwon, Won Jin Kim, Jung Hyun Kim, Woo Suk Seo, Si Joon Song, Sang Woo Ha
  • Patent number: 10578790
    Abstract: A light source unit includes: a light source circuit board; light sources disposed on the light source circuit board and which emit light; a wavelength converter disposed on the light sources to be spaced apart from the light sources and to partially overlap with the light sources; a first glass disposed between the light sources and the wavelength converter; and a second glass disposed on the wavelength converter and at least partially in direct contact with, and coupled to, the first glass.
    Type: Grant
    Filed: January 6, 2018
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Hye Son, Yong Hoon Kwon, Won Jin Kim, Woo Suk Seo, Si Joon Song, Kwang Wook Choi
  • Patent number: 10581110
    Abstract: The present invention provides a positive electrode active material for a lithium secondary battery, which includes a secondary particle core formed by agglomeration of primary particles of a nickel manganese cobalt-based first lithium composite metal oxide, an intermediate layer disposed on the core and including rod-shaped nickel manganese cobalt-based second lithium composite metal oxide particles radially oriented from a center of an active material particle to a surface thereof, and a shell disposed on the intermediate layer and including a nickel manganese cobalt-based third lithium composite metal oxide, and a lithium secondary battery including the same.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: March 3, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hoon Kwon, Ki Young Lee
  • Publication number: 20200066699
    Abstract: A display device includes a pixel circuit, an insulating layer covering the pixel circuit, a first partition portion which is disposed on the insulating layer and extends in a first direction, a second partition portion which is spaced apart from the first partition portion in a second direction intersecting the first direction and extends in the first direction, a plurality of connection partition portions disposed between the first and second partition portions, where each of the plurality of connection partition portions extends in the second direction, a first electrode disposed on the first partition portion and electrically connected to the pixel circuit, a second electrode disposed on the second partition portion, and a light emitting element disposed between the plurality of connection partition portions and electrically connected to the first electrode and the second electrode.
    Type: Application
    Filed: August 19, 2019
    Publication date: February 27, 2020
    Inventors: Sikwang KIM, Minsuk KO, Taegyun KIM, Yong-hoon YANG
  • Publication number: 20200058249
    Abstract: A degradation compensation device and an organic light emitting display device including the same are provided. The degradation compensation device includes a degradation rate acquisition unit acquiring estimated degradation rates, estimated with respect to a plurality of respective pixels, based on panel usage information, a digital compensation unit performing digital compensation to lower a digital gradation of each pixel, based on a luminance of a pixel having a maximum degradation rate, among the estimated degradation rates, and an analog compensation unit performing analog compensation to increase luminance of the plurality of pixels by changing an analog voltage supplied to a panel, after performing the digital compensation.
    Type: Application
    Filed: February 26, 2019
    Publication date: February 20, 2020
    Inventors: Ji Heon OK, Yong Hoon YU, Joo Hyuk YUM, Jae Youl LEE, Byoung Yoon JANG
  • Patent number: 10566575
    Abstract: An organic light emitting diode (OLED) lighting apparatus includes a substrate including a plurality of emission areas and a plurality of non-emission areas surrounding edges of the plurality of emission areas, an overcoat layer disposed on the substrate and having a first non-flat top surface in at least one of the emission areas and a second non-flat top surface in at least one of the non-emission area, an auxiliary electrode disposed on the second non-flat top surface and including a reflective material, a first electrode disposed on the first non-flat top surface in at least one of the emission areas and disposed on the auxiliary electrode in the non-emission areas, an organic emitting layer on the first electrode, and a second electrode on the organic emitting layer, wherein the auxiliary electrode and the first electrode are in electrical contact with each other.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: February 18, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kang-Ju Lee, Min-Geun Choi, Jin-Tae Kim, Yong-Hoon Choi