SEMICONDUCTOR NANOPARTICLE, COLOR CONVERSION PANEL INCLUDING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE SAME

    公开(公告)号:EP4245825A1

    公开(公告)日:2023-09-20

    申请号:EP23162742.3

    申请日:2023-03-17

    IPC分类号: C09K11/62

    摘要: 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.

    QUANTUM DOTS, AND COMPOSITE AND DISPLAY DEVICE INCLUDING THE SAME

    公开(公告)号:EP3878923A1

    公开(公告)日:2021-09-15

    申请号:EP21162328.5

    申请日:2021-03-12

    摘要: A quantum dot, a production method thereof, and a quantum dot composite and a device including the same are disclosed, wherein the quantum dot includes an alloy semiconductor nanocrystal including indium (In), gallium, zinc (Zn), phosphorus (P), and sulfur (S), and in the quantum dot, a mole ratio of gallium with respect to indium (Ga:In) is greater than or equal to about 0.2:1, a mole ratio of phosphorus with respect to indium (P:In) is greater than or equal to about 0.95:1, the quantum dot does not include cadmium, and in an UV-Vis absorption spectrum of the quantum dot(s), a first absorption peak is present in a range of less than or equal to about 520 nm.