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).

  • Patent number: 12389721
    Abstract: A luminescent nanostructure, a production method for making the luminescent nanostructure, and an electronic device including the luminescent nanostructure. The luminescent nanostructure includes a semiconductor nanocrystal including a Group 13 metal nitride. The luminescent nanostructure has an aspect ratio of greater than or equal to about 1, and an organic compound having an M-O moiety, wherein M is Ti, Al, Zr, Sn, or Si that is bound to at least a portion of the surface of the luminescent nanostructure.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: August 12, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Soo Jee, Shang Hyeun Park, Shin Ae Jun
  • Publication number: 20250227971
    Abstract: A quantum dot including a Group IIIA element and a Group VA element of the periodic table of elements, wherein the quantum dot has an absorption peak wavelength of greater than or equal to about 1,000 nm in a visible-infrared (Vis-IR) absorption spectrum, and includes a ligand derived from an aliphatic hydrocarbon compound substituted with a hydroxyl group (—OH) and a thiol group (—SH) on its surface, a method for preparing the quantum dot, and an electronic device including the quantum dot.
    Type: Application
    Filed: January 8, 2025
    Publication date: July 10, 2025
    Inventors: Moon Gyu HAN, Sohee Jeong, Meeree Kim, Heejae Lee, Shin Ae Jun, Seung Hwa Hong
  • Patent number: 12331236
    Abstract: A layered structure including a photoluminescent layer including a quantum dot polymer composite; a light absorption layer disposed on the photoluminescent layer, the light absorption layer including an absorptive color-filter material; and a silicon containing layer disposed between the photoluminescent layer and the light absorption layer, wherein the quantum dot polymer composite includes a first polymer matrix and a plurality of quantum dots dispersed in the first polymer matrix, and the plurality of quantum dots absorb excitation light and emits light in a longer wavelength than the wavelength of the excited light; and the absorptive color-filter material is dispersed in a second polymer matrix, and the absorptive color-filter material absorbs the excitation light that passes through the photoluminescent layer and transmits the light emitted from the plurality of quantum dots and an electronic device including the same.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 17, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Deukseok Chung, Jooyeon Ahn, Shin Ae Jun
  • Patent number: 12256621
    Abstract: A display panel including a light emitting panel; and a color conversion panel with a surface opposite a surface of the light emitting panel. The light emitting panel is configured to emit incident light including a first light and a second light. The color conversion panel includes a color conversion layer including two or more color conversion regions, a color conversion region includes a first region corresponding to the green pixel, the first region includes a matrix and a first composite dispersed within the matrix and including a plurality of luminescent nanostructures, and the spectral overlap between a UV-Vis absorption spectrum of the luminescent nanostructures, the maximum emission peak of the first light, and the maximum emission peak of the second light satisfies the following equation: B/A?about 0.6 A and B are as defined.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: March 18, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Shin Ae Jun, Deukseok Chung, Nayoun Won, Sung Hun Lee, Byoung Ki Choi
  • Patent number: 12232347
    Abstract: A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nayoun Won, Mi Hye Lim, Tae Gon Kim, Taekhoon Kim, Shang Hyeun Park, Shin Ae Jun
  • Patent number: 12225800
    Abstract: A display panel may include a light emitting panel, and a color conversion panel. The light emitting panel is configured to emit incident light including a first light and a second light, a luminescent peak wavelength of the first light may be greater than or equal to about 450 nm and less than or equal to about 480 nm and a luminescent peak wavelength of the second light may be greater than or equal to about 500 nm and less than or equal to about 580 nm. The color conversion panel includes a color conversion layer including a conversion region, and optionally, a partition wall defining each region of the color conversion panel. The color conversion region includes a first region corresponding to a red pixel, and the first region include a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix, and in the UV-Vis absorption spectrum, an absorbance ratio at a wavelength of 520 nm with respect to a wavelength of 350 nm may be greater than or equal to about 0.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Shin Ae Jun, Deukseok Chung, Garam Park, Sung Hun Lee, Byoung Ki Choi
  • Patent number: 12215266
    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: July 18, 2023
    Date of Patent: February 4, 2025
    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: 12195656
    Abstract: A color conversion panel that includes a color conversion layer including two or more color conversion regions, and optionally, a partition wall defining the regions of the color conversion layer, and a display device including the color conversion panel. The color conversion region includes a first region corresponding to a first pixel, and the first region includes a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide. The Group III-V compound includes indium, phosphorus, and optionally, zinc or gallium, or zinc and gallium, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures further include aluminum and chlorine, and a mole ratio of aluminum to sulfur (Al:S) is less than about 0.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: January 14, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gon Kim, Hyeyeon Yang, A Ra Jo, Sue In Chae, Sung Jun Park, Hyokeun Park, Shin Ae Jun
  • Patent number: 12195657
    Abstract: A color conversion panel that includes a color conversion layer including one or more color conversion regions, and optionally, a partition wall defining the regions of the color conversion layer, and a display device including the same. The color conversion region includes a first region corresponding to a first pixel, and the first region includes a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide. The Group III-V compound includes indium, phosphorus, and optionally, zinc or gallium, or zinc and gallium, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures do not include cadmium.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: January 14, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jooyeon Ahn, Taekhoon Kim, Deuk Kyu Moon, Jongmin Lee, Mi Hye Lim, Shin Ae Jun, Minho Kim, Yebin Jung
  • Patent number: 12189170
    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: January 14, 2022
    Date of Patent: January 7, 2025
    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
  • Publication number: 20250002784
    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: Application
    Filed: June 27, 2024
    Publication date: January 2, 2025
    Inventors: Garam PARK, Tae Gon KIM, Jooyeon AHN, Ji-Yeong KIM, Nayoun WON, Shin Ae JUN
  • Patent number: 12157848
    Abstract: A quantum dot including a multi-component core including a first semiconductor nanocrystal including indium (In), zinc (Zn), and phosphorus (P) and a second semiconductor nanocrystal disposed on the first semiconductor nanocrystal, the second semiconductor nanocrystal including gallium (Ga) and phosphorus (P) wherein the quantum dot is cadmium-free and emits green light, a mole ratio (P:In) of phosphorus relative to indium is greater than or equal to about 0.6:1 and less than or equal to about 1.0, and a mole ratio (P:(In+Ga)) of phosphorus relative to indium and gallium is greater than or equal to about 0.5:1 and less than or equal to about 0.8:1, a quantum dot-polymer composite pattern including the same, and a display device.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: December 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeyeon Yang, Garam Park, Shin Ae Jun, Tae Gon Kim, Taekhoon Kim
  • Publication number: 20240392190
    Abstract: A quantum dot composite comprising: a matrix and a plurality of quantum dots dispersed in the matrix, wherein the plurality of the quantum dots comprises a semiconductor nanocrystal core including indium and phosphorous, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, and the semiconductor nanocrystal shell including zinc, selenium, and sulfur. The arithmetic size of the plurality of the quantum dots is greater than or equal to about 8 nm, wherein the quantum dot composite is configured to emit red light, and wherein when the quantum dot composite is irradiated with light of a wavelength of from about 450 nm to about 470 nm for a time period of less than or equal to about 500 hours, a luminance increase of the quantum dot composite is less than or equal to about 1.2% of an initial luminance of the quantum dot composite.
    Type: Application
    Filed: July 17, 2024
    Publication date: November 28, 2024
    Inventors: Shang Hyeun PARK, Tae Gon KIM, Shin Ae JUN
  • Patent number: 12146090
    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: July 19, 2023
    Date of Patent: November 19, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Taekhoon Kim, Nayoun Won, Tae Gon Kim, Mi Hye Lim, Shin Ae Jun, Shang Hyeun Park
  • Patent number: 12136687
    Abstract: A quantum dot composite includes a matrix and a plurality of quantum dots dispersed in the matrix, and a color conversion panel and a display panel including the same. The plurality of quantum dots include a metal including indium (In) and zinc and a non-metal including phosphorous (P), selenium, and sulfur, wherein the plurality of quantum dots includes a mole ratio of sulfur to indium of greater than or equal to about 3:1 and less than or equal to about 6:1, and a mole ratio of sulfur to selenium of greater than or equal about 0.69:1 and less than or equal to about 0.89, and a mole ratio of zinc to indium of greater than or equal to about 10:1 and less than or equal to about 12.4:1, and wherein the plurality of the quantum dots are configured to emit red light.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: November 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Garam Park, Shang Hyeun Park, Min Jong Bae, Mi Hye Lim, Deukseok Chung, Shin Ae Jun
  • Patent number: 12130508
    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: February 1, 2024
    Date of Patent: October 29, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Gon Kim, Garam Park, Jooyeon Ahn, Shang Hyeun Park, Shin Ae Jun
  • Publication number: 20240357849
    Abstract: A method of manufacturing a patterned film includes forming a first film including a semiconductor nanoparticle and an additive, wherein the additive includes a polythiol compound, the semiconductor nanoparticle includes an organic ligand (for example, on a surface thereof), and the organic ligand includes a first functional group bonded to the surface of the semiconductor nanoparticle and a carbon-carbon unsaturated bond; exposing a portion of the first film to a radiation to cause a change in a solubility of the semiconductor nanoparticle in the exposed area with respect to a first solvent; contacting the radiation treated film with the first solvent to remove at least a portion of an unexposed area of the radiation treated film to obtain a patterned film. A light emitting device includes such a patterned film as a light emitting layer.
    Type: Application
    Filed: April 17, 2024
    Publication date: October 24, 2024
    Inventors: Moon Gyu HAN, Himchan CHO, Tae Ho KIM, Seongkyu MAENG, Sun Jae PARK, Shin Ae JUN
  • Patent number: 12104107
    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: August 3, 2023
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Garam Park, Tae Gon Kim, Jooyeon Ahn, Ji-Yeong Kim, Nayoun Won, Shin Ae Jun
  • Patent number: 12078827
    Abstract: A color filter including a first layer including first quantum dots and a second layer including second quantum dots that are different from the first quantum dots, and disposed on the first layer, wherein a quantum yield of the first quantum dots is greater than a quantum yield of the second quantum dots, and wherein an absorption of blue light of the second quantum dots is greater than an absorption of the blue light of the first quantum dots.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shang Hyeun Park, Tae Gon Kim, Shin Ae Jun
  • Patent number: 12071577
    Abstract: A quantum dot composite comprising: a matrix and a plurality of quantum dots dispersed in the matrix, wherein the plurality of the quantum dots comprises a semiconductor nanocrystal core including indium and phosphorous, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, and the semiconductor nanocrystal shell including zinc, selenium, and sulfur. The arithmetic size of the plurality of the quantum dots is greater than or equal to about 8 nm, wherein the quantum dot composite is configured to emit red light, and wherein when the quantum dot composite is irradiated with light of a wavelength of from about 450 nm to about 470 nm for a time period of less than or equal to about 500 hours, a luminance increase of the quantum dot composite is less than or equal to about 1.2% of an initial luminance of the quantum dot composite.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: August 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shang Hyeun Park, Tae Gon Kim, Shin Ae Jun