中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

61 records (took 0.019 seconds)

    Quantum dots, a composition or composite including the same, and an electronic device including the same
    12.
    发明授权
    Quantum dots, a composition or composite including the same, and an electronic device including the same 有权

    公开(公告)号：US11352558B2

    公开(公告)日：2022-06-07

    申请号：US16904664

    申请日：2020-06-18

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tae Gon Kim ,  Shin Ae Jun ,  Taek hoon Kim ,  Hyeyeon Yang ,  Nayoun Won ,  Jongmin Lee ,  Mi Hye Lim

    IPC: C09K11/70 ,  C08F220/38 ,  C09K11/02 ,  C09K11/88 ,  H01L33/00 ,  H01L33/50 ,  B82Y20/00

    Abstract: A quantum dot, and a composite and a display device including the quantum dot. The quantum dot comprises a semiconductor nanocrystal core comprising indium and phosphorous, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell comprising zinc, selenium, and sulfur, wherein the quantum dot does not comprise cadmium wherein the quantum dot has a maximum photoluminescence peak in a green light wavelength region, and wherein in an ultraviolet-visible (UV-Vis) absorption spectrum of the quantum dot, 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 0.4: (Absfirst−Absvalley)/Absfirst=VD wherein, Absfirst is an absorption value at the first absorption peak wavelength and Absvalley is an absorption value at a lowest point of the valley adjacent to the first absorption peak.

    Display device and manufacturing method thereof
    13.
    发明授权
    Display device and manufacturing method thereof 有权

    公开(公告)号：US11282987B2

    公开(公告)日：2022-03-22

    申请号：US16777223

    申请日：2020-01-30

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Deukseok Chung ,  Tae Gon Kim

    IPC: H01L33/50 ,  H01L25/075 ,  H01L33/38 ,  H01L27/15 ,  H01L33/00

    Abstract: A method of manufacturing a display device includes preparing a plurality of light-emitting element packages on a substrate, preparing a first solution including first semiconductor nanocrystals, applying a voltage to a part of the plurality of light-emitting element packages to transport the first semiconductor nanocrystals to a region overlapped with the part of the plurality of light-emitting element packages, and forming a first color conversion layer with the first semiconductor nanocrystals.

    Display device
    15.
    发明授权
    Display device 有权

    公开(公告)号：US11075254B2

    公开(公告)日：2021-07-27

    申请号：US16750106

    申请日：2020-01-23

    Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SAMSUNG DISPLAY CO., LTD. ,  SAMSUNG SDI CO., LTD.

    Inventor： Deukseok Chung ,  Sung Hun Lee ,  Tae Gon Kim ,  Shin Ae Jun

    IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

    Abstract: A display device includes a first electrode, a pixel define layer disposed on the first electrode, the pixel define layer including an opening, an organic emission layer disposed on the pixel define layer, the organic emission layer in electrical communication with the first electrode through the opening, a second electrode disposed on the organic emission layer, a light recycle layer disposed on the second electrode, and a color filter layer disposed on the light recycle layer, the color filter layer including a quantum dot, wherein a width of the organic emission layer is longer than a width of the color filter layer.

    Core shell quantum dot and electronic device including the same
    16.
    发明授权
    Core shell quantum dot and electronic device including the same 有权

    公开(公告)号：US12232347B2

    公开(公告)日：2025-02-18

    申请号：US18404975

    申请日：2024-01-05

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Nayoun Won ,  Mi Hye Lim ,  Tae Gon Kim ,  Taekhoon Kim ,  Shang Hyeun Park ,  Shin Ae Jun

    IPC: H10K50/115 ,  C09K11/02 ,  C09K11/56 ,  C09K11/70 ,  C09K11/88

    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.

    Display panel and electronic device including the same
    17.
    发明授权
    Display panel and electronic device including the same 有权

    公开(公告)号：US12225800B2

    公开(公告)日：2025-02-11

    申请号：US17686934

    申请日：2022-03-04

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tae Gon Kim ,  Shin Ae Jun ,  Deukseok Chung ,  Garam Park ,  Sung Hun Lee ,  Byoung Ki Choi

    IPC: H10K59/38 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  C09K11/08 ,  C09K11/88 ,  H10K50/13 ,  H10K59/124 ,  H10K102/00

    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 0.04:1.

    Luminescent nanostructure, and color conversion panel and electronic device including the same
    18.
    发明授权
    Luminescent nanostructure, and color conversion panel and electronic device including the same 有权

    公开(公告)号：US12195656B2

    公开(公告)日：2025-01-14

    申请号：US17687453

    申请日：2022-03-04

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tae Gon Kim ,  Hyeyeon Yang ,  A Ra Jo ,  Sue In Chae ,  Sung Jun Park ,  Hyokeun Park ,  Shin Ae Jun

    IPC: C09K11/88 ,  C09D11/037 ,  C09D11/50 ,  C09K11/08 ,  G02F1/1335 ,  B82Y20/00 ,  B82Y40/00

    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 0.15:1, a mole ratio of chlorine to sulfur (Cl:S) is less than about 0.1:1, and a mole ratio of sulfur to selenium (S:Se) is greater than or equal to about 2:1. The luminescent nanostructures don not include cadmium.

Patent Agency Ranking