ORGANIC LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME

    公开(公告)号:US20190088896A1

    公开(公告)日:2019-03-21

    申请号:US15957667

    申请日:2018-04-19

    IPC分类号: H01L51/50 H01L27/32 H01L51/56

    摘要: An organic light emitting device includes: a first electrode; a second electrode that overlaps the first electrode; and an organic layer that is disposed between the first electrode and the second electrode, wherein the organic layer comprises a hole transport region that includes a hole transport material and a p-dopant, and wherein when a doping amount of the p-dopant doped to the hole transport region exceeds 1 wt %, the following Equation 1 is satisfied, while when the doping amount of the p-dopant is 1 wt % or less than 1 wt %, the following Equation 2 is satisfied: HOMO_HTM−LUMO_p-dopant −0.05 eV   [Equation 2] In Equation 1 and Equation 2, HOMO_HTM denotes HOMO energy of the hole transport material and LUMO_p-dopant denotes LUMO energy of the p-dopant.

    Organic light emitting diode
    2.
    发明授权

    公开(公告)号:US11569484B2

    公开(公告)日:2023-01-31

    申请号:US17497842

    申请日:2021-10-08

    IPC分类号: H01L51/52 H01L27/32 H01L51/50

    摘要: The described technology relates to an organic light emitting diode including: a first electrode; a second electrode overlapping the first electrode; an organic emission layer between the first electrode and the second electrode; and a capping layer on the second electrode, wherein the capping layer has an absorption rate of 0.25 or more for light having a wavelength of 405 nm, thereby preventing degradation of the organic emission layer by blocking the light of the harmful wavelength region and providing the organic light emitting diode in which a blue emission efficiency is not deteriorated.

    Organic light emitting diode
    3.
    发明授权

    公开(公告)号:US11145843B2

    公开(公告)日:2021-10-12

    申请号:US16737825

    申请日:2020-01-08

    IPC分类号: H01L27/32 H01L51/52 H01L51/50

    摘要: The described technology relates to an organic light emitting diode including: a first electrode; a second electrode overlapping the first electrode; an organic emission layer between the first electrode and the second electrode; and a capping layer on the second electrode, wherein the capping layer has an absorption rate of 0.25 or more for light having a wavelength of 405 nm, thereby preventing degradation of the organic emission layer by blocking the light of the harmful wavelength region and providing the organic light emitting diode in which a blue emission efficiency is not deteriorated.

    Organic light emitting diode
    7.
    发明授权

    公开(公告)号:US10535842B2

    公开(公告)日:2020-01-14

    申请号:US16136120

    申请日:2018-09-19

    IPC分类号: H01L51/52 H01L51/50 H01L27/32

    摘要: The described technology relates to an organic light emitting diode including: a first electrode; a second electrode overlapping the first electrode; an organic emission layer between the first electrode and the second electrode; and a capping layer on the second electrode, wherein the capping layer has an absorption rate of 0.25 or more for light having a wavelength of 405 nm, thereby preventing degradation of the organic emission layer by blocking the light of the harmful wavelength region and providing the organic light emitting diode in which a blue emission efficiency is not deteriorated.