Patents by Inventor Tae Hyung Kim

Tae Hyung Kim 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).

  • LIGHT EMITTING DEVICE, METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20220149311
    Abstract: A method of manufacturing a light emitting device that includes providing a first electrode, forming a light emitting layer including quantum dots on the first electrode, forming an electron auxiliary layer on the light emitting layer, and forming a second electrode on the electronic auxiliary layer. The forming of the electron auxiliary layer includes forming an electron auxiliary layer including a plurality of metal oxide nanoparticles, and contacting the plurality of metal oxide nanoparticles with a base including a hydroxyl group (OH).
    Type: Application
    Filed: November 1, 2021
    Publication date: May 12, 2022
    Inventors: Hongkyu SEO, Tae Hyung KIM, Eun Joo JANG, Won Sik YOON, Hyo Sook JANG, Oul CHO
  • LIGHT EMITTING DEVICE, METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20220149307
    Abstract: A light emitting device including a first electrode and a second electrode each having a surface opposite the other, a light emitting layer disposed between the first electrode and the second electrode, and an electronic auxiliary layer disposed between the light emitting layer and the second electrode, wherein the electron auxiliary layer includes metal oxide nanoparticles and an orthosilicate compound.
    Type: Application
    Filed: November 9, 2021
    Publication date: May 12, 2022
    Inventors: Kwanghee KIM, Hongkyu SEO, Won Sik YOON, Oul CHO, Tae Hyung KIM, Jaeyong LEE, Eun Joo JANG
  • LIGHT SOURCE, AND BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING THE LIGHT SOURCE
    Publication number: 20220137286
    Abstract: A light source includes a light emitting element which emits light, and a light conversion layer which converts the light emitted from the light emitting element into white light and emits the white light, where the light conversion layer includes a resin and a quantum dot material mixed with the resin, and a red apex of a color region of the white light is positioned in a region of 0.65<Cx<0.69 and 0.29<Cy<0.3370 in color coordinates, and a green apex of a color region of the white light is positioned in a region of 0.17<Cx<0.31 and 0.61<Cy<0.70 in the color coordinates.
    Type: Application
    Filed: January 14, 2022
    Publication date: May 5, 2022
    Inventors: Tae Hyung KIM, Eun Joo JANG, Shin Ae JUN, Hyun A KANG, Yongwook KIM, Na Youn WON, Hyo Sook JANG
  • MULTILAYER CAPACITOR
    Publication number: 20220139632
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes stacked in a first direction, and external electrodes, wherein the body includes an active portion, a side margin portion covering at least one of a first surface and a second surface of the active portion opposing each other in a second direction, and a cover portion covering the active portion in the first direction, respective dielectric layers among the plurality of dielectric layers include a barium titanate-based composition, the dielectric layer of the side margin portion includes Sn, and a content of Sn in the dielectric layer of the side margin portion is different from that of Sn in the dielectric layer of the active portion, and the dielectric layer of the side margin portion includes at least some grains having a core-shell structure.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 5, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo KIM, Eun Jung Lee, Jong Suk Jeong, Chun Hee Seo, Jong Hoon Yoo, Tae Hyung Kim, Ho Sam Choi, Sim Chung Kang
  • Semiconductor nanocrystal particles and devices including the same
    Patent number: 11319487
    Abstract: A semiconductor nanocrystal particle including zinc (Zn), tellurium (Te) and selenium (Se), a method of producing the same, and an electronic device including the same are disclosed. In the semiconductor nanocrystal particle, an amount of the tellurium is less than an amount of the selenium, the particle includes a core including a first semiconductor material including zinc, tellurium, and selenium and a shell disposed on at least a portion of the core and including a second semiconductor material having a different composition from the first semiconductor material, and the semiconductor nanocrystal particle emits blue light including a maximum peak emission at a wavelength of less than or equal to about 470 nanometers.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: May 3, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Hee Lee, Eun Joo Jang, Hyun A Kang, Tae Hyung Kim
  • Armrest apparatus and various rotating angles for vehicle and method for controlling operation thereof
    Patent number: 11305679
    Abstract: An armrest apparatus for a vehicle includes: a lower arm located on a side surface of a seat and configured to rotate with respect to the seat by power of a lower arm motor; and an upper arm extending along a lengthwise direction of the lower arm and configured to rotate with respect to the lower arm by power of an upper arm motor.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: April 19, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Hong Heui Lee, Myung Hoe Kim, Eun Sue Kim, Seung Sik Han, Tae Hyung Kim, Sun Ho Hur, Sang Yong Koo, Dong Kyu Lee
  • Display device comprising quantum dot emission layer
    Patent number: 11296294
    Abstract: A display device including a light source; and a quantum dot emission layer disposed on the light source, wherein the quantum dot emission layer includes a first emission layer disposed in a red pixel of the display device, and a second emission layer disposed in a green pixel of the display device, the light source includes a first portion configured to supply a first incident light to the first emission layer, a second portion configured to supply a second incident light to the second emission layer, and a third portion configured to supply a third light to a blue pixel of the display device, the first emission layer includes red light emitting quantum dots and the second emission layer includes green light emitting quantum dots, and each of the first portion, the second portion, and the third portion comprises a layer comprising blue light emitting quantum dots.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: April 5, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyo Sook Jang, Tae Hyung Kim, Eun Joo Jang, Oul Cho
  • SEMICONDUCTOR NANOCRYSTAL PARTICLES AND DEVICES INCLUDING THE SAME
    Publication number: 20220089950
    Abstract: A quantum dot comprising a core comprising a first semiconductor nanocrystal comprising zinc, selenium, and optionally tellurium; and a shell disposed on the core and comprising a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, and comprising zinc and at least one of sulfur and selenium, wherein the shell comprises at least three branches extending from the core, wherein at least one of the branches has a length of greater than or equal to about 2 nm, the quantum dot emits blue light comprising a maximum emission peak at a wavelength of less than or equal to about 470 nm, a full width at half maximum (FWHM) of the maximum emission peak is less than about 35 nm, and the quantum dot does not comprise cadmium.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Inventors: Sung Woo KIM, Jin A KIM, Tae Hyung KIM, Jeong Hee LEE, Eun Joo JANG
  • Quantum dots, production methods thereof, and electronic devices including the same
    Patent number: 11280953
    Abstract: An electronic device includes, a light source having a peak emission at a wavelength between about 440 nm to about 480 nm; and a photoconversion layer disposed on the light source, wherein the photoconversion layer includes a first quantum dot which emits red light and a second quantum dot which emits green light, wherein at least one of the first quantum dot and the second quantum dot has a perovskite crystal structure and includes a compound represented by Chemical Formula 1: AB?X3+???Chemical Formula 1 wherein A is a Group IA metal, NR4+, or a combination thereof, B? is a Group IVA metal, X is a halogen, BF4?, or a combination thereof, and ? is 0 to 3.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Hyung Kim, Jihyun Min, Yongwook Kim, Eun Joo Jang
  • SEMICONDUCTOR NANOCRYSTAL PARTICLES, PRODUCTION METHODS THEREOF, AND DEVICES INCLUDING THE SAME
    Publication number: 20220081614
    Abstract: A method of producing a quantum dot comprising zinc selenide, the method comprising: providing an organic ligand mixture comprising a carboxylic acid compound, a primary amine compound, a secondary amide compound represented by Chemical Formula 1, and a first organic solvent: RCONHR??Chemical Formula 1 wherein each R is as defined herein; heating the organic ligand mixture in an inert atmosphere at a first temperature to obtain a heated organic ligand mixture; adding a zinc precursor, a selenium precursor, and optionally a tellurium precursor to the heated organic ligand mixture to obtain a reaction mixture, wherein the zinc precursor does not comprise oxygen; and heating the reaction mixture at a first reaction temperature to synthesize a first semiconductor nanocrystal particle.
    Type: Application
    Filed: November 22, 2021
    Publication date: March 17, 2022
    Inventors: Jeong Hee LEE, Hyun A KANG, Sung Woo KIM, Jin A KIM, Tae Hyung KIM, Yuho WON, Eun Joo JANG
  • GRAPHITIZED CARBON SUBSTRATE AND GAS DIFFUSION LAYER EMPLOYING SAME
    Publication number: 20220077476
    Abstract: A carbon substrate for a gas diffusion layer of a fuel cell, the carbon substrate being a porous carbon substrate having a first surface and a second surface opposite the first surface, the carbon substrate includes a plurality of carbon fibers arranged irregularly to form a non-woven type and a carbide of an organic polymer located between the carbon fibers to bind the carbon fibers to each other, the carbide has a graphite structure, and the carbon substrate has a Bragg diffraction angle 2? of less than 26.435° and a interplanar distance d(002) of less than 3.372 ?, a gas diffusion layer employing the same, an electrode for a fuel cell, a membrane electrode assembly for a fuel cell, and a fuel cell. When the gas diffusion layer is manufactured using the carbon substrate according to the present disclosure, cell voltage characteristics of the fuel cell may be greatly improved.
    Type: Application
    Filed: December 3, 2019
    Publication date: March 10, 2022
    Inventors: Eun Sook Lee, Jy Young Jyoung, Na Hee Kang, Do Hun Kim, Tae Hyung Kim, Eun Chong Kim, Tae Nyun Kim
  • Quantum dots and quantum dot solutions
    Patent number: 11254863
    Abstract: Quantum dots including semiconductor nanocrystals, methods of producing the same, and quantum dot solutions and electronic devices including the same. The quantum dots do not include cadmium, lead, or a combination thereof. The quantum dots include an organic ligand and a halogen on the surfaces, and the quantum dots are dispersible in an organic solvent to form organic solutions.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Hyung Kim, Kwanghee Kim, Eun Joo Jang, Dae Young Chung, Sujin Park
  • ELECTROLUMINESCENT DEVICE, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE COMPRISING THE SAME
    Publication number: 20220052288
    Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.
    Type: Application
    Filed: October 27, 2021
    Publication date: February 17, 2022
    Inventors: Sung Woo KIM, Chan Su KIM, Tae Ho KIM, Kun Su PARK, Eun Joo JANG, Jin A KIM, Tae Hyung KIM, Jeong Hee LEE
  • Light emitting device and display device including the same
    Patent number: 11251390
    Abstract: A light emitting device including a first electrode and a second electrode, and an emission layer disposed between the first electrode and the second electrode and including quantum dots, a first charge auxiliary layer disposed between the emission layer and the first electrode, and a second charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer comprises a first emission layer contacting the first charge auxiliary layer, a second emission layer disposed on the first emission layer, and a third emission layer disposed on the second emission layer. The hole mobility of the first emission layer decreases sequentially from the first emission layer to the third emission layer.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: February 15, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Young Chung, Kwanghee Kim, Eun Joo Jang, Tae Hyung Kim, Hongkyu Seo, Heejae Lee, Jaejun Chang
  • Electroluminescent device, manufacturing method thereof, and display device comprising the same
    Patent number: 11233211
    Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Woo Kim, Chan Su Kim, Tae Ho Kim, Kun Su Park, Eun Joo Jang, Jin A Kim, Tae Hyung Kim, Jeong Hee Lee
  • CARBON SUBSTRATE COMPRISING CARBON FIBERS UNIDIRECTIONALLY ALIGNED, AND GAS DIFFUSION LAYER EMPLOYING SAME
    Publication number: 20220021007
    Abstract: Disclosed are a carbon substrate for a gas diffusion layer of a fuel cell, a gas diffusion layer employing the same, an electrode for a fuel cell, a membrane electrode assembly for a fuel cell, and a fuel cell, wherein the carbon substrate includes a plate-shaped substrate having an upper surface and a lower surface opposite the upper surface, and the plate-shaped substrate includes carbon fibers arranged to extend in one direction (extend unidirectionally) and a carbide of an organic polymer located between the carbon fibers to bind the carbon fibers to each other.
    Type: Application
    Filed: December 2, 2019
    Publication date: January 20, 2022
    Inventors: Eun Sook Lee, Jy Young Jyoung, Na Hee Kang, Do Hun Kim, Tae Hyung Kim, Eun Chong Kim, Tae Nyun Kim
  • Light source, and back light unit and liquid crystal display including the light source
    Patent number: 11226447
    Abstract: A light source includes a light emitting element which emits light, and a light conversion layer which converts the light emitted from the light emitting element into white light and emits the white light, where the light conversion layer includes a resin and a quantum dot material mixed with the resin, and a red apex of a color region of the white light is positioned in a region of 0.65<Cx<0.69 and 0.29<Cy<0.3370 in color coordinates, and a green apex of a color region of the white light is positioned in a region of 0.17<Cx<0.31 and 0.61<Cy<0.70 in the color coordinates.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Hyung Kim, Eun Joo Jang, Shin Ae Jun, Hyun A Kang, Yongwook Kim, Na Youn Won, Hyo Sook Jang
  • LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING THE LIGHT EMITTING DEVICE, AND DISPLAY DEVICE INCLUDING THE LIGHT EMITTING DEVICE
    Publication number: 20220006036
    Abstract: Light emitting device, method of manufacturing the light emitting device, and display device including the light emitting device are disclosed. The light emitting device includes a first electrode and a second electrode each having a surface opposite the other, a light emitting layer including quantum dots that is disposed between the first electrode and the second electrode, and an electron auxiliary layer disposed between the light emitting layer and the second electrode, wherein the electron auxiliary layer includes metal oxide nanoparticles including an anion of an organic acid bound to a surface of the metal oxide nanoparticle.
    Type: Application
    Filed: June 25, 2021
    Publication date: January 6, 2022
    Inventors: Hongkyu SEO, Kwanghee KIM, Eun Joo JANG, Won Sik YOON, Tae Hyung KIM, Tae Ho KIM
  • Method and system for energy improvement verification of buildings
    Patent number: 11210750
    Abstract: A method and system for energy improvement verification of buildings. An energy improvement learning method includes receiving building characteristic information related to an existing building constructed in the past and a diagnosis result of energy diagnosis performed based on the building characteristic information, receiving a result of renovating the existing building using energy saving schemes suitable for the diagnosis result, and generating an energy improvement learning model for the existing building by learning the building characteristic information and the renovation result.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 28, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae Hyung Kim, Hong Soon Nam, Youn Kwae Jeong
  • SEMICONDUCTOR NANOCRYSTAL, LIGHT-EMITTING FILM, PRODUCTION METHOD OF THE LIGHT-EMITTING FILM, LIGHT EMITTING DEVICE, AND DISPLAY DEVICE
    Publication number: 20210395611
    Abstract: A semiconductor nanocrystal including an anion of an inorganic metal salt and a first organic ligand bound to a surface of the semiconductor nanocrystal, wherein the first organic ligand includes a substituted or unsubstituted C6 to C30 aromatic ring group and a carboxylate, a substituted or unsubstituted C3 to C30 aromatic hetero cyclic group and a carboxylate, or a combination thereof.
    Type: Application
    Filed: May 5, 2021
    Publication date: December 23, 2021
    Inventors: Kwanghee KIM, Tae Hyung KIM, Hongkyu SEO, Won Sik YOON, Jaeyong LEE, Eun Joo JANG, Oul CHO