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).

  • Publication number: 20180239246
    Abstract: A photosensitive composition, a quantum dot polymer composite pattern prepared therefrom, and a layered structure and an electronic device including the same. The photosensitive composition includes a quantum dot; a carboxylic acid group-containing binder; a multi-thiol compound including a thiol group at each terminal end of the multi-thiol compound; a photopolymerizable monomer including a carbon-carbon double bond; a metal oxide fine particle; a polymeric stabilizer; a photoinitiator; and a solvent, wherein the polymeric stabilizer includes a polymer including —RO—, —R1COO—, —R1OCO—, —CR1R2—CAR—, —OCONH—R—NHCOO—R?—, or a combination thereof, as a repeating unit.
    Type: Application
    Filed: February 20, 2018
    Publication date: August 23, 2018
    Inventors: Shang Hyeun PARK, Shin Ae JUN
  • Publication number: 20180239245
    Abstract: A photosensitive composition, a quantum dot polymer composite pattern prepared therefrom, and a layered structure and an electronic device including the same. The photosensitive composition includes plurality of quantum dots; a luminescent material other than a quantum dot; a carboxylic acid group containing binder; a photopolymerizable monomer having a carbon-carbon double bond; and a photoinitiator, and the luminescent material comprises a fluorophore, a nanosized inorganic phosphor, or a combination thereof.
    Type: Application
    Filed: February 20, 2018
    Publication date: August 23, 2018
    Inventors: Hyeyeon YANG, Eun Joo JANG, Hyo Cook JANG, Shin Ae JUN
  • Publication number: 20180216250
    Abstract: Disclosed herein is a multilayer nanocrystal structure comprising a nanocrystal alloy core comprising two or more nanocrystals and including an alloy interlayer formed at an interface between the two or more nanocrystals, and one or more layers of nanocrystal shells formed sequentially on the surface of the nanocrystal alloy core, wherein the nanocrystal shells each have different band gaps. The multilayer nanocrystal structure can be applied to various electronic devices owing to its advantages of high luminescence efficiency, superior optical stability, and superior chemical stability.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Inventors: Eun Joo JANG, Shin Ae JUN, Jung Eun LIM, Hye Ran CHOI
  • Publication number: 20180210335
    Abstract: A photosensitive composition and a quantum dot-polymer composite pattern formed from the photosensitive composition are disclosed, and the photosensitive composition includes: a plurality of quantum dots; a color filter material including an absorption dye, an absorption pigment, or a combination thereof; a polymer binder; a photopolymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent, wherein in a normalized photoluminescence spectrum of the quantum dot and a normalized ultraviolet-visible absorption spectrum of the color filter material, a photoluminescence peak wavelength (PL peak wavelength) of the quantum dot and a wavelength of maximum absorbance of the color filter material do not overlap with each other, and the color filter material is included in an amount of less than or equal to 1 part by weight per 10 parts by weight of the plurality of quantum dots.
    Type: Application
    Filed: March 19, 2018
    Publication date: July 26, 2018
    Inventors: Hyeyeon YANG, Tae Hyung KIM, Shang Hyeun PARK, Shin Ae JUN, Yong Seok HAN, Eun Joo JANG, Deukseok CHUNG
  • Publication number: 20180188609
    Abstract: A photoluminescent polarizer including: a base having a first surface, a second surface opposite to the first surface, and a plurality of grid elements disposed on the first surface; wherein a grid element includes a first lateral face, a second lateral face, and at least one photoluminescent unit stack disposed on at least one of the first lateral face and the second lateral face, wherein the first lateral face is angled away from a line perpendicular to the first surface of the base and the second lateral face angled toward the first lateral face and away from the line, wherein the photoluminescent unit stack is disposed on at least one of the first lateral face and/or to the second lateral face, wherein the photoluminescent unit stack comprises a light emitting film and a metal film, the metal film disposed on a surface of the light emitting film.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 5, 2018
    Inventors: Shin Ae JUN, Hilmi Volkan DEMIR, Eun Joo JANG, Burak GUZELTURK, Kiyanc GUNGOR, Onur ERDEM
  • Publication number: 20180186998
    Abstract: A composition including: a plurality of quantum dots; a monomer combination including a first monomer having at least two thiol groups at terminal ends of the first monomer and a second monomer having at least two carbon-carbon double bonds at terminal ends of the second monomer; and an additive, a composite prepared therefrom, and an electronic device including same are disclosed. The additive includes a cyclosiloxane compound having a reactive moiety, a (meth)acrylate salt of a polyvalent metal, and a dithiocarbamate salt of a polyvalent metal, or a combination thereof, and wherein the reactive moiety includes a carbon-carbon double bond, a thiol group, or a combination thereof.
    Type: Application
    Filed: January 4, 2018
    Publication date: July 5, 2018
    Inventors: Jooyeon AHN, Nayoun WON, Ha Il KWON, Eun Joo JANG, Shin Ae JUN
  • Publication number: 20180179441
    Abstract: A process for preparing a quantum dot of a core-shell structure including obtaining a first mixture including first precursor including a first metal, a ligand compound, and a solvent; adding a second precursor and a particle including a first semiconductor nanocrystal to the first mixture to obtain a second mixture; and heating the second mixture up to a reaction temperature and performing a reaction between the first precursor and the second precursor to form a layer of a shell including a crystalline or amorphous material, during formation of the layer of the shell or after formation of the layer of the shell, wherein the process includes adding an organic solution including an ammonium fluorinated salt including a solid salt having a melting point of greater than or equal to about 110° C. to the second mixture.
    Type: Application
    Filed: December 27, 2017
    Publication date: June 28, 2018
    Inventors: Young Seok PARK, Shang Hyeun PARK, Eun Joo JANG, Hyo Sook JANG, Shin Ae JUN, Dae Young CHUNG, Taekhoon KIM, Yuho WON
  • Publication number: 20180173020
    Abstract: A layered structure including a transparent substrate; a photoluminescent layer disposed on the transparent substrate and a pattern of a quantum dot polymer composite; and a capping layer disposed on the photoluminescent layer and including an inorganic material, a method of producing the same, a liquid crystal display including the same. The quantum dot polymer composite includes a polymer matrix; and a plurality of quantum dots in the polymer matrix, the pattern of the quantum dot polymer composite includes at least one repeating section and the repeating section includes a first section configured to emit light of a first peak wavelength, the inorganic material is disposed on at least a portion of a surface of the repeating section, and the inorganic material includes a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof.
    Type: Application
    Filed: December 21, 2017
    Publication date: June 21, 2018
    Inventors: Deukseok CHUNG, Shin Ae JUN, Tae Won JEONG, Yong Seok HAN
  • Patent number: 10001671
    Abstract: A semiconductor nanocrystal composition including a semiconductor nanocrystal, an organic additive, and at least one polymerizable substance selected from a polymerizable monomer, a polymerizable oligomer, and a combination thereof, wherein the composition has haze of greater than or equal to about 40% after polymerization.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Na Youn Won, Hyun A Kang, Eun Joo Jang, Shin Ae Jun, Oul Cho
  • Patent number: 9997664
    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: Grant
    Filed: July 23, 2015
    Date of Patent: June 12, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., BILKENT UNIVERSITY
    Inventors: Shin Ae Jun, Hilmi Volkan Demir, Eun Joo Jang, Burak Guzelturk, Can Uran, Talha Erdem, Kivanc Gungor
  • Publication number: 20180157124
    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: Application
    Filed: January 16, 2018
    Publication date: June 7, 2018
    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
  • Publication number: 20180148638
    Abstract: A quantum dot including a first ligand and a second ligand on a surface of the quantum dot, a composition or composite including the same, and a device including the same. The first ligand includes a compound represented by Chemical Formula 1 and the second ligand includes a compound represented by Chemical Formula 2: MAn ??Chemical Formula 1 wherein M, n, and A are the same as defined in the specification; and wherein, R1, L1, Y1, R, k1, and k2 are the same as defined in the specification.
    Type: Application
    Filed: November 22, 2017
    Publication date: May 31, 2018
    Inventors: Jooyeon AHN, Ha II KWON, Shang Hyeun PARK, Nayoun WON, Eun Joo JANG, Shin Ae JUN
  • Publication number: 20180151817
    Abstract: A light emitting device including a semiconductor nanocrystal and a ligand bound to a surface of the semiconductor nanocrystal, wherein the ligand includes an organic thiol ligand or a salt thereof and a polyvalent metal compound including a metal including Zn, In, Ga, Mg, Ca, Sc, Sn, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Sr, Y, Zr, Nb, Mo, Cd, Ba, Au, Hg, Tl, or a combination thereof, and a display device including the light emitting device.
    Type: Application
    Filed: November 22, 2017
    Publication date: May 31, 2018
    Inventors: Oul CHO, Jooyeon AHN, Eun Joo JANG, Dae Young CHUNG, Hyun A KANG, Tae Hyung KIM, Yun Sung WOO, Jeong Hee LEE, Shin Ae JUN
  • Publication number: 20180142149
    Abstract: A photosensitive resin composition includes (A) a photo-conversion material; (B) a metal-containing compound; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, wherein the metal-containing compound includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure, a complex including a polymer matrix in which a photo-conversion material is dispersed, wherein the polymer matrix includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure and an ester linking group, a laminated structure including the complex, and a display device and an electronic device including the laminated structure.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 24, 2018
    Inventors: Jinsuop YOUN, Ha Il KWON, Misun KIM, Jooyeon AHN, Hyeyeon YANG, Bumjin LEE, Jongmin LEE, Shin Ae JUN, Hyunjoo HAN
  • Publication number: 20180105739
    Abstract: A quantum dot-polymer composite film includes: a plurality of quantum dots, wherein a quantum dot of the plurality of quantum dots includes an organic ligand on a surface of a the quantum dot; a cured product of a photopolymerizable monomer including a carbon-carbon unsaturated bond; and a residue including a residue of a high-boiling point solvent, a residue of a polyvalent metal compound, or a combination thereof.
    Type: Application
    Filed: October 18, 2017
    Publication date: April 19, 2018
    Inventors: Tae Gon KIM, Ha Il KWON, Shin Ae JUN
  • Publication number: 20180094190
    Abstract: A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide
    Type: Application
    Filed: December 4, 2017
    Publication date: April 5, 2018
    Inventors: Hyunki Kim, Shin Ae Jun, Eun Joo Jang, Yongwook Kim, Tae Gon Kim, Yuho Won, Taekhoon Kim, Hyo Sook Jang
  • Patent number: 9926643
    Abstract: Disclosed herein is a multilayer nanocrystal structure comprising a nanocrystal alloy core comprising two or more nanocrystals and including an alloy interlayer formed at an interface between the two or more nanocrystals, and one or more layers of nanocrystal shells formed sequentially on the surface of the nanocrystal alloy core, wherein the nanocrystal shells each have different band gaps. The multilayer nanocrystal structure can be applied to various electronic devices owing to its advantages of high luminescence efficiency, superior optical stability, and superior chemical stability.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Joo Jang, Shin Ae Jun, Jung Eun Lim, Hye Ran Choi
  • Patent number: 9921472
    Abstract: A photosensitive composition and a quantum dot-polymer composite pattern formed from the photosensitive composition are disclosed, and the photosensitive composition includes: a plurality of quantum dots; a color filter material including an absorption dye, an absorption pigment, or a combination thereof; a polymer binder; a photopolymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent, wherein in a normalized photoluminescence spectrum of the quantum dot and a normalized ultraviolet-visible absorption spectrum of the color filter material, a photoluminescence peak wavelength (PL peak wavelength) of the quantum dot and a wavelength of maximum absorbance of the color filter material do not overlap with each other, and the color filter material is included in an amount of less than or equal to 1 part by weight per 10 parts by weight of the plurality of quantum dots.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: March 20, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG DISPLAY CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Hyeyeon Yang, Tae Hyung Kim, Shang Hyeun Park, Shin Ae Jun, Yong Seok Han, Eun Joo Jang, Deukseok Chung
  • Patent number: 9904109
    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: July 11, 2016
    Date of Patent: February 27, 2018
    Assignee: 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
  • Patent number: 9902902
    Abstract: Disclosed herein is a quantum dot phosphor for light emitting diodes, which includes quantum dots and a solid substrate on which the quantum dots are supported. Also, a method of preparing the quantum dot phosphor is provided. Since the quantum dot phosphor of the current invention is composed of the quantum dots supported on the solid substrate, the quantum dots do not aggregate when dispensing a paste obtained by mixing the quantum dots with a paste resin for use in packaging of a light emitting diode. Thereby, a light emitting diode able to maintain excellent light emitting efficiency can be manufactured.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Joo Jang, Mi Yang Kim, Hyung Kun Kim, Shin Ae Jun, Yong Wan Jin, Seong Jae Choi