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: 20230365861
    Abstract: A quantum dot-polymer composite including a polymer matrix; and core-shell quantum dots dispersed in the polymer matrix, wherein the core-shell quantum dots include a semiconductor nanocrystal core including indium, zinc, and phosphorus and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur. The core-shell quantum dots do not include cadmium, the core-shell quantum dots are configured to emit green light, the core-shell quantum dots have a mole ratio of phosphorus to indium of greater than or equal to about 0.75, and the core-shell quantum dots have a mole ratio of zinc to indium of greater than or equal to about 35, and a method of producing the core-shell quantum dots, and a display device including a light emitting element that includes the quantum dot-polymer composite.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 16, 2023
    Inventors: Taekhoon Kim, Nayoun Won, Tae Gon Kim, Mi Hye Lim, Shin Ae Jun, Shang Hyeun Park
  • Publication number: 20230365862
    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: July 18, 2023
    Publication date: November 16, 2023
    Inventors: Hyunki KIM, Shin Ae JUN, Eun Joo JANG, Yongwook KIM, Tae Gon KIM, Yuho WON, Taekhoon KIM, Hyo Sook JANG
  • Patent number: 11815800
    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: September 20, 2021
    Date of Patent: November 14, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Jonggi Kim, Shang Hyeun Park, Shin Ae Jun, Hojeong Paek
  • Patent number: 11808960
    Abstract: A color filter including a first pixel (or color conversion region) that is configured to emit a first light and a display device including the color filter. The first pixel includes a (first) quantum dot composite (or a color conversion layer including the quantum dot composite), wherein the quantum dot composite may include a matrix and a plurality of quantum dots dispersed (e.g., randomly) in the matrix, wherein the plurality of the quantum dots exhibit a multi-modal distribution (e.g., a bimodal distribution) including a first peak particle size and a second peak particle size in a size analysis, wherein the second peak particle size is greater than the first peak particle size, and a difference between the first peak particle size and the second peak particle size is less than or equal to about 5 nanometers (nm) (e.g., less than or equal to about 4.5 nm).
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Shang Hyeun Park, Shin Ae Jun
  • Patent number: 11807764
    Abstract: An ink composition includes a quantum dot; a carboxyl group (—COOH)-containing binder polymer; an electrical insulating polymer precursor; a radical initiator; and a liquid vehicle, wherein the liquid vehicle includes a mixture of a first organic compound including a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2, or a combination thereof, and a second organic compound including a compound represented by Chemical Formula 3, a compound represented by Chemical Formula 4, or a combination thereof:
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeyeon Yang, Shin Ae Jun
  • Publication number: 20230350237
    Abstract: A quantum dot including a core and a shell disposed on the core wherein one of the core and the shell includes a first semiconductor nanocrystal including zinc and sulfur and the other of the core and the shell includes a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, the first semiconductor nanocrystal further includes a metal and a halogen configured to act as a Lewis acid in a halide form, an amount of the metal is greater than or equal to about 10 mole percent (mol %) based on a total number of moles of sulfur, and an amount of the halogen is greater than or equal to about 10 mol % based on a total number of moles of sulfur, a method of producing the same, and a composite and an electronic device including the same.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Inventors: Tae Gon KIM, Garam PARK, Jooyeon AHN, Shang Hyeun PARK, Shin Ae JUN
  • Patent number: 11795392
    Abstract: A cadmium-free quantum dot, a quantum dot-polymer composite including the cadmium-free quantum dot, a display device including the quantum dot-polymer composite, and an electroluminescent device including the cadmium-free quantum dot are disclosed, wherein the cadmium-free quantum dot includes a core including a first semiconductor nanocrystal including indium and phosphorus; a light emitting layer surrounding the core and including a second semiconductor nanocrystal including indium and phosphorus; a first shell disposed between the core and the light emitting layer and including a semiconductor nanocrystal including zinc, and selenium, sulfur, or a combination thereof; and a second shell disposed on the light emitting layer and including a semiconductor nanocrystal including zinc, and selenium, sulfur, or a combination thereof, and wherein the quantum is a single light emitting quantum dot having an emission peak wavelength in a range of about 500 nanometers (nm) to about 550 nm.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeyeon Yang, Jooyeon Ahn, Taekhoon Kim, Shang Hyeun Park, Nayoun Won, Mi Hye Lim, Shin Ae Jun
  • Patent number: 11796911
    Abstract: A photosensitive composition including a quantum dot dispersion, a photopolymerizable monomer having a carbon-carbon double bond, and a photoinitiator, wherein the quantum dot dispersion includes an acid group-containing polymer and a plurality of quantum dots dispersed in the acid group-containing polymer, and wherein the acid group-containing polymer includes a copolymer of a monomer combination including a first monomer having a carboxylic acid group or a phosphonic acid group and a carbon-carbon double bond and a second monomer having a carbon-carbon double bond and a hydrophobic group and not having a carboxylic acid group and a phosphonic acid group.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: October 24, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Shin Ae Jun, Shang Hyeun Park, Hojeong Paek, Jonggi Kim, Hyeyeon Yang, Eun Joo Jang, Yong Seok Han
  • Patent number: 11788005
    Abstract: Quantum dots and a composite and a display device including the quantum dots. The quantum dots comprise a semiconductor nanocrystal core comprising indium and phosphorous, and optionally zinc, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell comprising zinc, selenium, and sulfur, wherein the quantum dots are configured to exhibit a maximum photoluminescence peak in a green light wavelength region, and in an ultraviolet-visible (UV-Vis) absorption spectrum of the quantum dots, a ratio A450/Afirst, of an absorption value at 450 nm to an absorption value at a first excitation peak is greater than or equal to about 0.7, and a valley depth (VD) defined by the following equation is greater than or equal to about 0.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Gon Kim, Shin Ae Jun, Taek hoon Kim, Hyeyeon Yang, Nayoun Won, Jongmin Lee, Mi Hye Lim
  • Publication number: 20230303915
    Abstract: A quantum dot-polymer composite pattern including at least one repeating section configured to emit light of a predetermined wavelength, and a production method and a display device including the quantum dot-polymer composite are disclosed. The quantum dot-polymer composite includes a polymer matrix including linear polymer including a carboxylic acid group-containing repeating unit and a plurality of cadmium-free quantum dots dispersed in the polymer matrix, has an absorption rate of greater than or equal to about 85% for light at wavelength of about 450 nm, and has an area ratio of a hydroxy group peak relative to an acrylate peak of greater than or equal to about 2.6 in Fourier transform infrared spectroscopy.
    Type: Application
    Filed: March 27, 2023
    Publication date: September 28, 2023
    Inventors: Shang Hyeun PARK, Tae Gon KIM, Shin Ae JUN
  • Publication number: 20230303921
    Abstract: A display panel and an electronic device including the display panel are provided, where the display panel includes a quantum dot composite including a matrix and a plurality of quantum dots and titanium dioxide (TiO2) particles dispersed in the matrix, the plurality of quantum dots include silver and gallium, exhibit an emission peak wavelength of from about 500 nm to about 550 nm, and a full width at half maximum of the emission peak is greater than or equal to about 10 nm and less than or equal to about 50 nm, and where the quantum dot composite has a mole ratio of silver to titanium of greater than or equal to about 0.4:1 and less than or equal to about 15:1, and a mole ratio of gallium to titanium of greater than or equal to about 0.4:1 and less than or equal to about 20:1.
    Type: Application
    Filed: March 24, 2023
    Publication date: September 28, 2023
    Inventors: Tae-Gon KIM, Shang Hyeun PARK, Nayoun WON, Minho KIM, Seungrim YANG, Shin Ae JUN, Yebin JUNG, A Ra JO
  • Publication number: 20230295492
    Abstract: A semiconductor nanoparticle, including silver, a Group 13 metal, and a chalcogen element, wherein the semiconductor nanoparticle emits a first light, the Group 13 metal includes gallium, and optionally further includes indium, aluminum, or a combination thereof, the chalcogen element includes sulfur, and optionally further includes selenium, the first light has a full width at half maximum of greater than or equal to about 5 nanometers (nm) to less than or equal to about 70 nm, the first light has a maximum emission wavelength of greater than or equal to about 500 nm to less than or equal to about 600 nm, the semiconductor nanoparticle has a quantum yield of greater than or equal to about 50%, a mole ratio of gallium to sulfur is greater than or equal to about 0.1:1 to less than or equal to about 1:1, and a charge balance value defined by Equation 1 herein.
    Type: Application
    Filed: March 17, 2023
    Publication date: September 21, 2023
    Inventors: Nayoun WON, Tae-Gon KIM, Minho KIM, Seungrim YANG, Shin Ae JUN, Yebin JUNG, A Ra JO
  • Publication number: 20230295493
    Abstract: A color conversion panel, comprising a color conversion layer comprising a color conversion region and optionally a partition wall defining each region of the color conversion layer, wherein the color conversion region comprises a first region corresponding to a first pixel, the first region comprises a first composite, the first composite comprises a matrix and a semiconductor nanoparticle, wherein the semiconductor nanoparticle is dispersed in the matrix, the semiconductor nanoparticle comprises silver, a Group 13 metal, zinc, and a chalcogen element, the semiconductor nanoparticle emits a first light, the Group 13 metal is indium, gallium, aluminum, or a combination thereof, the chalcogen element is sulfur, selenium, or a combination thereof, and in the semiconductor nanoparticle, a mole ratio of zinc to a total sum of silver, Group 13 metal, and zinc is greater than or equal to about 0.01:1.
    Type: Application
    Filed: March 17, 2023
    Publication date: September 21, 2023
    Inventors: Nayoun WON, Tae-Gon KIM, Minho KIM, Shang Hyeun PARK, Seungrim YANG, Jun Ho LEE, Shin Ae JUN, Yebin JUNG, A Ra JO
  • Publication number: 20230295491
    Abstract: A semiconductor nanoparticle, and a method for producing the semiconductor nanoparticle, and a composite, a color conversion panel, and a display panel including the semiconductor nanoparticle. The semiconductor nanoparticle includes silver, a Group 13 metal including indium and gallium, and a chalcogen element including sulfur and optionally selenium, the semiconductor nanoparticle is configured to emit a green light with an emission peak wavelength of 500 nanometers to 580 nanometers, and a full width at half maximum of about 5 nm to about 70 nm. The semiconductor nanoparticle exhibits a quantum yield of greater than or equal to about 50%, and includes a mole ratio (In+Ga):Ag of about 1:1 to about 3.5:1.
    Type: Application
    Filed: March 17, 2023
    Publication date: September 21, 2023
    Inventors: A Ra JO, Nayoun WON, Yebin JUNG, Minho KIM, Tae-Gon KIM, Seungrim YANG, Shin Ae JUN
  • Patent number: 11760930
    Abstract: Disclosed are a quantum dot and a quantum dot-polymer composite and a device including the same, wherein the quantum dot includes a semiconductor nanocrystal core including indium (In) and phosphorous (P), a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc and sulfur, wherein the quantum dot does not include cadmium, wherein in the quantum dot, a mole ratio of sulfur with respect to selenium is less than or equal to about 2.5:1.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: September 19, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Garam Park, Tae Gon Kim, Jooyeon Ahn, Ji-Yeong Kim, Nayoun Won, Shin Ae Jun
  • Patent number: 11753588
    Abstract: A quantum dot-polymer composite including a polymer matrix; and core-shell quantum dots dispersed in the polymer matrix, wherein the core-shell quantum dots include a semiconductor nanocrystal core including indium, zinc, and phosphorus and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur. The core-shell quantum dots do not include cadmium, the core-shell quantum dots are configured to emit green light, the core-shell quantum dots have a mole ratio of phosphorus to indium of greater than or equal to about 0.75, and the core-shell quantum dots have a mole ratio of zinc to indium of greater than or equal to about 35, and a method of producing the core-shell quantum dots, and a display device including a light emitting element that includes the quantum dot-polymer composite.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Taekhoon Kim, Nayoun Won, Tae Gon Kim, Mi Hye Lim, Shin Ae Jun, Shang Hyeun Park
  • Patent number: 11746290
    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: Grant
    Filed: December 4, 2017
    Date of Patent: September 5, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyunki Kim, Shin Ae Jun, Eun Joo Jang, Yongwook Kim, Tae Gon Kim, Yuho Won, Taekhoon Kim, Hyo Sook Jang
  • Patent number: 11740495
    Abstract: A quantum dot including a core and a shell disposed on the core wherein one of the core and the shell includes a first semiconductor nanocrystal including zinc and sulfur and the other of the core and the shell includes a second semiconductor nanocrystal having a different composition from the first semiconductor nanocrystal, the first semiconductor nanocrystal further includes a metal and a halogen configured to act as a Lewis acid in a halide form, an amount of the metal is greater than or equal to about 10 mole percent (mol %) based on a total number of moles of sulfur, and an amount of the halogen is greater than or equal to about 10 mol % based on a total number of moles of sulfur, a method of producing the same, and a composite and an electronic device including the same.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Garam Park, Jooyeon Ahn, Shang Hyeun Park, Shin Ae Jun
  • Patent number: 11742462
    Abstract: A method for manufacturing a display device includes: providing a plurality of light emitting elements on a substrate; providing a first photosensitive resin layer on the light emitting elements; driving a plurality of first light emitting elements among the plurality of light emitting elements, the driving of the plurality of first light emitting elements hardening a portion of the first photosensitive resin layer which corresponds to the plurality of first light emitting elements; and providing a first color converting layer as the portion of the first photosensitive resin layer which is hardened, by removing a remaining portion of the first photosensitive resin layer.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Deukseok Chung, Shin Ae Jun
  • Patent number: 11742443
    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: February 9, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin Ae Jun, Eun Joo Jang, Soo Kyung Kwon, Taek Hoon Kim, Won Joo Lee