LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20230320120A1

    公开(公告)日:2023-10-05

    申请号:US18102169

    申请日:2023-01-27

    IPC分类号: H10K50/13

    CPC分类号: H10K50/131 H10K59/12

    摘要: Embodiments provide a light-emitting device and an electronic apparatus including the same. The light-emitting device includes a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode, and m-1 charge generation layers between adjacent ones of the light-emitting. Each light-emitting unit includes an emission layer; the m light-emitting units include a first light-emitting unit, a second light-emitting unit, a third light-emitting unit, a fourth light-emitting unit, and a fifth light-emitting unit; the m−1 charge generation layers include a first charge generation layer, a second charge generation layer, a third charge generation layer, and a fourth charge generation layer; the first light-emitting unit and the second light-emitting unit each emit green light; and the third light-emitting unit, the fourth light-emitting unit, and the fifth light-emitting unit each emit blue light.

    Organic light-emitting apparatus
    2.
    发明授权

    公开(公告)号:US10020469B2

    公开(公告)日:2018-07-10

    申请号:US14730345

    申请日:2015-06-04

    发明人: Hyunshik Lee

    IPC分类号: H01L51/52

    摘要: An organic light-emitting apparatus includes a flexible substrate, an organic light-emitting device on the flexible substrate, the light emitting device including a first electrode, an emission layer, and a second electrode sequentially disposed on the flexible substrate, and an anisotropic film on the second electrode of the organic light-emitting device. The anisotropic film includes an anisotropic material horizontally oriented with respect to a surface of the flexible substrate.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20230139475A1

    公开(公告)日:2023-05-04

    申请号:US17975472

    申请日:2022-10-27

    IPC分类号: H01L51/50 H01L51/00

    摘要: A light-emitting device and an electronic apparatus including the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode, wherein the interlayer includes a first emission layer and a second emission layer, the first emission layer includes a first hole transport host, a second electron transport host, and a first phosphorescent dopant, the second emission layer includes a second hole transport host, a second electron transport host, and a second phosphorescent dopant, and wherein (i) hole mobility of the first emission layer is faster than electron mobility of the first emission layer, or (ii) hole mobility of the first hole transport host in the first emission layer is faster than electron mobility of the first electron transport host in the first emission layer.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS COMPRISING LIGHT-EMITTING DEVICE

    公开(公告)号:US20230113809A1

    公开(公告)日:2023-04-13

    申请号:US17723353

    申请日:2022-04-18

    IPC分类号: H01L51/00

    摘要: A light emitting device in which: a) an absolute value of a lowest unoccupied molecular orbital (LUMO) energy level of a first electron transporting compound (ET-1) is smaller than an absolute value of a LUMO energy level of a host compound (H-1), b) an absolute value of a LUMO energy level of a second electron transporting compound (ET-2) is smaller than an absolute value of a LUMO energy level of a third electron transporting compound (ET-3), c) and an absolute value of a LUMO energy level of the second electron transporting compound (ET-2) is smaller than an absolute value of a LUMO energy level of the first electron transporting compound (ET-1).

    Organic light emitting diode
    6.
    发明授权

    公开(公告)号:US09905807B2

    公开(公告)日:2018-02-27

    申请号:US14850592

    申请日:2015-09-10

    发明人: Hyunshik Lee

    IPC分类号: H01L51/52 H01L51/56

    摘要: An organic light emitting diode includes: a first electrode; a hole transport region disposed on the first electrode; an emitting layer disposed on the hole transport region, the emitting layer configured to emit light; an electron transport region disposed on the emitting layer; a second electrode disposed on the electron transport region; a capping layer disposed on the second electrode; and a compensation layer disposed on the capping layer, the compensation layer including a compensation pattern, wherein the compensation pattern is configured to compensate a phase of an inclined light, and wherein the inclined light is a light emitted from the emitting layer.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20220149288A1

    公开(公告)日:2022-05-12

    申请号:US17517523

    申请日:2021-11-02

    IPC分类号: H01L51/00

    摘要: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; m light-emitting units stacked between the first electrode and the second electrode and including an emission layer; and m−1 charge generation layers respectively between two neighboring light-emitting units among the m light-emitting units, wherein m is an integer of 2 or more, at least one of the m light-emitting units includes an n-doped electron transport layer between the emission layer and the second electrode, a charge generation layer on the n-doped electron transport layer includes a p-type charge generation layer in direct contact with the n-doped electron transport layer, the n-doped electron transport layer includes a first electron transport material, a second electron transport material, and a metal, the first electron transport material and the second electron transport material are different from each other.