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    LIGHT EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME
    25.
    发明申请
    LIGHT EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20210280832A1

    公开(公告)日：2021-09-09

    申请号：US17112363

    申请日：2020-12-04

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyun KOO ,  Sunjin Song ,  Wonjae Joo ,  Sunghyun Han

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

    Abstract: Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.

    ORGANIC LIGHT-EMITTING DEVICE
    27.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20190006608A1

    公开(公告)日：2019-01-03

    申请号：US16023394

    申请日：2018-06-29

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Hyun KOO ,  Seungyeon KWAK ,  Sangdong KIM ,  Sungjun KIM ,  Jiwhan KIM ,  Sunghun LEE ,  Jungin LEE ,  Seokhwan HONG ,  Kyuyoung HWANG

    IPC: H01L51/50 ,  C07F15/00 ,  C09K11/06 ,  H01L51/00

    Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer and an intermediate layer disposed between the first electrode and the emission layer, wherein the intermediate layer directly contacts the emission layer, and wherein the intermediate layer includes a first hole transport material, wherein the emission layer includes a host and a dopant, wherein the dopant is an organometallic compound, provided that the dopant does not comprise iridium, and wherein the organic light-emitting device satisfies certain parameters described in the specification.

    LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME
    30.
    发明申请
    LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20220158123A1

    公开(公告)日：2022-05-19

    申请号：US17235462

    申请日：2021-04-20

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyun KOO ,  Wonjae Joo ,  Ajeong Choi

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

    Abstract: A light-emitting device with light emission efficiency and a display apparatus are provided. The light-emitting device includes a first organic light emission material layer generating light of a first wavelength, a second organic light emission material layer generating light of a second wavelength different from the first wavelength, and a third organic light emission material layer generating light of a third wavelength different from the first and second wavelengths, the first organic light emission material layer may be located at a position comprising a first antinode having a resonance wavelength resonating in a micro cavity, and the second organic light emission material layer and the third organic light emission material layer may be located at a position comprising a second antinode having the resonance wavelength resonating in the micro cavity.

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