Patents by Inventor Shin Ae Jun

Shin Ae Jun 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).

  • Nanocrystal-metal oxide composite, methods of manufacture thereof and articles comprising the same
    Patent number: 10323182
    Abstract: A method for preparing nanocrystal-metal oxide composites with long-term stability is disclosed herein. The nanocrystals are mixed with a first metal oxide precursor, a solvent and water to form a sol-gel composite. The sol-gel composite is pulverized to form a sol-gel composite powder. The sol-gel composite is then reacted with a second metal oxide precursor. The nanocrystal-metal oxide composites have a high luminescence efficiency and uniform emission wavelengths. The nanocrystal-metal oxide composite is used to manufacture a light-emitting device.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin Ae Jun, Eun Joo Jang
  • PHOTOSENSITIVE COMPOSITIONS, QUANTUM DOT POLYMER COMPOSITE PATTERN PREPARED THEREFROM, AND ELECTRONIC DEVICES INCLUDING THE SAME
    Publication number: 20190171100
    Abstract: A photosensitive composition includes a plurality of quantum dots including an organic ligand on the surface thereof; a binder; a photopolymerizable monomer composition; photoinitiator; and a solvent, wherein the photopolymerizable monomer includes a main monomer having 1 to 6 carbon-carbon double bonds, a first accessory monomer having 8 to 20 carbon-carbon double bonds, and a second accessory monomer represented by Chemical Formula A; and a method of preparing the photosensitive composition and a quantum dot-polymer composite pattern prepared therefrom are provided: R1O-(L1)m-L3-A-L4-(L2)n-OR2??Chemical Formula A wherein, A, L1, L2, L3, L4, R1, and R2 are the same as defined herein.
    Type: Application
    Filed: February 6, 2019
    Publication date: June 6, 2019
    Inventors: Jonggi KIM, Shang Hyeun PARK, Shin Ae JUN, Hojeong PAEK
  • QUANTUM DOT COMPOSITION, QUANTUM DOT POLYMER COMPOSITE, AND LAYERED STRUCTURE AND ELECTRONIC DEVICES INCLUDING THE SAME
    Publication number: 20190136126
    Abstract: A quantum dot composition comprising a quantum dot, a metal thiolate complex compound, and a solvent, wherein the metal thiolate complex compound includes a hydrophobic moiety, a thioether moiety (—S—), and a polyvalent metal, and wherein the hydrophobic moiety includes a fluorinated organic group, a multi-aromatic ring-containing group having a backbone structure that includes a quaternary carbon atom, which is a part of a cyclic group, and two aromatic rings bound to the quaternary carbon atom, or a combination thereof.
    Type: Application
    Filed: November 5, 2018
    Publication date: May 9, 2019
    Inventors: Hyeyeon YANG, Jongmin LEE, Shin Ae JUN
  • SEMICONDUCTOR NANOCRYSTAL, AND METHOD OF PREPARING THE SAME
    Publication number: 20190140113
    Abstract: A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSexS(1-x), wherein 0?x?1, and wherein an average mole ratio of Se:S in the monolayer shell ranges from about 2:1 to about 20:1.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 9, 2019
    Inventors: Shin Ae JUN, Eun Joo JANG, Soo Kyung KWON, Taek Hoon KIM, Won Joo LEE
  • Quantum dot having polymeric outer layer, photosensitive compositions including the same, and quantum dot polymer composite pattern produced therefrom
    Patent number: 10246634
    Abstract: A photosensitive composition including a quantum dot complex having a polymeric outer layer, a carboxylic acid group-containing binder, a photopolymerizable monomer having a carbon-carbon double bond, a photoinitiator, and a solvent, wherein the polymeric outer layer includes a copolymer including: a first repeating unit having a moiety capable of interacting with a surface of the quantum dot, an organic ligand compound bonded to the surface of the quantum dot, or a combination thereof, and a second repeating unit having a reactive moiety.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: April 2, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeyeon Yang, Shang Hyeun Park, Shin Ae Jun, Eun Joo Jang
  • Light source, and back light unit and liquid crystal display including the light source
    Patent number: 10228584
    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: September 21, 2015
    Date of Patent: March 12, 2019
    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
  • COMPOSITIONS, QUANTUM DOT POLYMER COMPOSITE AND LAYERED STRUCTURE PRODUCED THEREFROM, AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20190055465
    Abstract: A composition including a plurality of metal oxide particles including a first stabilizer and a second stabilizer on a surface thereof; a plurality of quantum dots; a binder polymer including a carboxylic acid group; a polymerizable monomer including a carbon-carbon double bond; an initiator; optionally a multi-thiol compound comprising at least two thiol groups at one or more terminal ends thereof; and a solvent, wherein the first stabilizer and the second stabilizer are as provided herein.
    Type: Application
    Filed: August 17, 2018
    Publication date: February 21, 2019
    Inventors: Shang Hyeun PARK, Shin Ae JUN
  • Interfused nanocrystals and method of preparing the same
    Patent number: 10202545
    Abstract: Disclosed herein is a nanocrystal comprising a core comprising a first nanocrystal material, the first nanocrystal material including a Group II-VI semiconductor compound or a Group III-V semiconductor compound; a shell being disposed upon a surface of the core and comprising a second nanocrystal material, the second nanocrystal material being different from the first nanocrystal material and including a Group II-VI semiconductor compound or a Group III-V semiconductor compound; and an alloy interlayer disposed between the core and the shell, wherein the emission peak wavelength of the nanocrystal is shifted into a shorter wavelength than the emission peak wavelength of the core.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: February 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin Ae Jun, Eun Joo Jang, Seong Jae Choi
  • Photosensitive compositions, quantum dot polymer composite pattern prepared therefrom, and electronic devices including the same
    Patent number: 10203599
    Abstract: A photosensitive composition includes a plurality of quantum dots including an organic ligand on the surface thereof; a binder; a photopolymerizable monomer composition; photoinitiator; and a solvent, wherein the photopolymerizable monomer includes a main monomer having 1 to 6 carbon-carbon double bonds, a first accessory monomer having 8 to 20 carbon-carbon double bonds, and a second accessory monomer represented by Chemical Formula A; and a method of preparing the photosensitive composition and a quantum dot-polymer composite pattern prepared therefrom are provided: R1O-(L1)m-L3-A-L4-(L2)n-OR2??Chemical Formula A wherein, A, L1, L2, L3, L4, R1, and R2 are the same as defined herein.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: February 12, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Jonggi Kim, Shang Hyeun Park, Shin Ae Jun, Hojeong Paek
  • Film for backlight unit and backlight unit and liquid crystal display including same
    Patent number: 10191326
    Abstract: A film for a backlight unit including a semiconductor nanocrystal-polymer composite film including a semiconductor nanocrystal and a matrix polymer in which the semiconductor nanocrystal is dispersed, wherein the matrix polymer is a polymer produced by a polymerization of a multifunctional photo-curable oligomer, a mono-functional photo-curable monomer, and a multifunctional photo-curable cross-linking agent, the multifunctional photo-curable oligomer has an acid value of less than or equal to about 0.1 mg of KOH/g, and a content (A1) of a first structural unit derived from the multifunctional photo-curable oligomer, a content (A2) of a second structural unit derived from the mono-functional photo-curable monomer, and a content (A3) of a third structural unit derived from the multifunctional photo-curable cross-linking agent satisfy Equation 1: A1<(A2+A3).
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: January 29, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul Ho Jung, Hyun A Kang, Soo Kyung Kwon, Won Joo Lee, Eun Joo Jang, Hyo Sook Jang, Shin Ae Jun, Oul Cho, In Taek Han
  • PROCESSES FOR SYNTHESIZING NANOCRYSTALS
    Publication number: 20190023571
    Abstract: A process of synthesizing Ga—Se nanocrystals is provided, the process including: contacting a first precursor containing gallium with a second precursor containing selenium to obtain a Ga—Se single precursor; and reacting the Ga—Se single precursor in a solvent in the presence of a ligand compound, and optionally with a third precursor including an element (A) other than gallium and selenium, to prepare a Ga—Se nanocrystal represented by Chemical Formula 1: GaSexAy??[Chemical Formula 1] wherein x is about 1.1 to 3, and y is about 0.1 to 4.
    Type: Application
    Filed: August 30, 2018
    Publication date: January 24, 2019
    Inventors: Hyo Sook JANG, Shin Ae Jun, Eun Joo Jang
  • Semiconductor nanocrystals and processes for synthesizing the same
    Patent number: 10179876
    Abstract: A nanocrystal particle including: a semiconductor material; boron and optionally fluorine, wherein the particle has an organic ligand bound to a surface thereof, the boron is present as being doped in the particle or as a metal boride and the fluorine is present as being doped in the particle or as a metal fluoride.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: January 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin Ae Jun, Yuho Won, Hyo Sook Jang, Eun Joo Jang
  • QUANTUM DOTS AND DEVICES INCLUDING THE SAME
    Publication number: 20190006556
    Abstract: A quantum dot includes a core-shell structure including a core including a first semiconductor nanocrystal and a shell disposed on the core, and including a material at least two different halogens, and the quantum dot does not include cadmium.
    Type: Application
    Filed: August 24, 2018
    Publication date: January 3, 2019
    Inventors: Garam PARK, Tae Hyung KIM, Eun Joo JANG, Hyo Sook JANG, Shin Ae JUN, Yongwook KIM, Taekhoon KIM, Jihyun MIN, Yuho WON
  • Semiconductor nanocrystal, and method of preparing the same
    Patent number: 10170648
    Abstract: A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSexS(1-x), wherein 0?x?1, and wherein an average mole ratio of Se:S in the monolayer shell ranges from about 2:1 to about 20:1.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin Ae Jun, Eun Joo Jang, Soo Kyung Kwon, Taek Hoon Kim, Won Joo Lee
  • Processes for synthesizing nanocrystals
    Patent number: 10160649
    Abstract: A process of synthesizing Ga—Se nanocrystals is provided, the process including: contacting a first precursor containing gallium with a second precursor containing selenium to obtain a Ga—Se single precursor; and reacting the Ga—Se single precursor in a solvent in the presence of a ligand compound, and optionally with a third precursor including an element (A) other than gallium and selenium, to prepare a Ga—Se nanocrystal represented by Chemical Formula 1: GaSexAy ??[Chemical Formula 1] wherein x is about 1.1 to 3, and y is about 0.1 to 4.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: December 25, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyo Sook Jang, Shin Ae Jun, Eun Joo Jang
  • Color filter, method of making the same, and display device including the same
    Patent number: 10126598
    Abstract: A color filter including a first region configured to emit a first light, a second region configured to emit a second light having a longer wavelength than a wavelength of the first light, a third region configured to emit a third light having a longer wavelength than the wavelength of the second light, a first layer including two or more quantum dots, and a second layer formed on at least one surface of the first layer, wherein the first layer and the second layer are disposed in at least the second region and the third region.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: November 13, 2018
    Assignees: SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Seok Han, Nayoun Won, Hyun A Kang, Ha Il Kwon, Shang Hyeun Park, Eun Joo Jang, Shin Ae Jun, Deukseok Chung, Tae Won Jeong
  • OPTICAL ELEMENT AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20180269353
    Abstract: An optical element includes a plurality of nanowires disposed in the form of an array and a light emitting material disposed on the nanowires, where the nanowires are longitudinally aligned in the array to linearly polarize at least a portion of light emitted from the light emitting material, and an electronic device includes the optical element.
    Type: Application
    Filed: May 16, 2018
    Publication date: September 20, 2018
    Inventors: Shin Ae JUN, Hilmi Volkan DEMIR, Eun Joo JANG, Burak GUZELTURK, Can URAN, Talha ERDEM, Kivanc GUNGOR
  • Quantum dots and devices including the same
    Patent number: 10074770
    Abstract: A quantum dot includes a core-shell structure including a core including a first semiconductor nanocrystal and a shell disposed on the core, and including a material at least two different halogens, and the quantum dot does not include cadmium.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Garam Park, Tae Hyung Kim, Eun Joo Jang, Hyo Sook Jang, Shin Ae Jun, Yongwook Kim, Taekhoon Kim, Jihyun Min, Yuho Won
  • PHOTOSENSITIVE COMPOSITIONS, QUANTUM DOT POLYMER COMPOSITE PRODUCED THEREFROM, AND LAYERED STRUCTURES AND ELECTRONIC DEVICE INCLUDING THE SAME
    Publication number: 20180239247
    Abstract: A photosensitive composition including a quantum dot; a carboxylic acid group-containing binder; a multi-thiol compound including at least two thiol groups at its terminal ends; a photopolymerizable monomer including a carbon-carbon double bond; a metal oxide fine particle including an organic compound represented by Chemical Formula 1 or a moiety derived from the organic compound at a surface of the metal oxide fine particle; a polymeric stabilizer; a photoinitiator; and a solvent, a production method thereof, a quantum dot polymer composite prepared therefrom, and a layered structure and an electronic device including the same are disclosed: (A?nSi?R)4-n??Chemical Formula 1 wherein n, A, and R are the same as defined in the specification.
    Type: Application
    Filed: February 20, 2018
    Publication date: August 23, 2018
    Inventors: Ha Il KWON, Tae Gon KIM, Jongmin LEE, Shin Ae JUN
  • LAYERED STRUCTURES, PRODUCTION METHODS THEREOF, AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME
    Publication number: 20180237690
    Abstract: A layered structure including a luminescent layer including a quantum dot polymer composite pattern; an inorganic layer disposed on the luminescent layer, the inorganic layer including a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof; and an organic layer being disposed between the luminescent layer and the inorganic layer, the organic layer including an organic polymer, a method of producing the same, and a liquid crystal display including the same. The quantum dot polymer composite pattern includes a repeating section including a polymer matrix; and a plurality of quantum dots (e.g., dispersed) in the polymer matrix, the repeating unit including a first section configured to emit light of a first light, and wherein the inorganic layer is disposed on at least a portion of a surface of the repeating section.
    Type: Application
    Filed: February 20, 2018
    Publication date: August 23, 2018
    Inventors: Deukseok CHUNG, Tae Won JEONG, Tae Gon KIM, Shin Ae JUN