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    ORGANIC LIGHT-EMITTING DEVICE AND AN APPARATUS INCLUDING THE SAME
    1.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE AND AN APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20220209133A1

    公开(公告)日：2022-06-30

    申请号：US17560206

    申请日：2021-12-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sungsoo BAE ,  Soungwook KIM ,  Seulong KIM ,  Hyein JEONG ,  Hyewon CHOI ,  Jaeweon HUR

    IPC: H01L51/00

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes: an emission region; a hole transport region between the first electrode and the emission region; and an electron transport region between the emission region and the second electrode, the emission region includes a first emission layer proximate to the hole transport region and a second emission layer proximate to the electron transport region, the first emission layer and the second emission layer are different from each other, and Equation 1 is satisfied, as described herein.

    ORGANIC LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    3.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20210408380A1

    公开(公告)日：2021-12-30

    申请号：US17146928

    申请日：2021-01-12

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jaeweon HUR ,  Seulong KIM ,  Hyeongpil KIM ,  Sungsoo BAE ,  Dongchan LEE

    IPC: H01L51/00

    Abstract: An electronic apparatus includes an organic light-emitting device including: 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 at least one emission layer; and m-1 charge generating layers, each located between two neighboring light-emitting units of the m light-emitting units and including an n-type charge generating layer and a p-type charge generation layer, wherein m is an integer of 2 or more, at least one of the m-1 p-type charge generation layers includes a first doping layer and a second doping layer, the first doping layer includes a first organic material and a first inorganic material, the second doping layer includes a second organic material and a second inorganic material, and the first inorganic material and the second inorganic material are different from each other.

    ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME
    5.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20210050542A1

    公开(公告)日：2021-02-18

    申请号：US16992837

    申请日：2020-08-13

    Applicant: Samsung Display Co., Ltd.

    Inventor： Seulong KIM ,  Tsuyoshi NAIJO ,  Yunjee PARK ,  Sungsoo BAE ,  Dongchan LEE ,  Hyewon CHOI

    IPC: H01L51/50 ,  H01L51/00

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, a first auxiliary layer, a second auxiliary layer, and an electron transport layer, the first auxiliary layer and the second auxiliary layer are disposed between the emission layer and the electron transport layer, the first auxiliary layer includes a first compound including a carbocyclic group that has three or more rings, and the second auxiliary layer includes: (i) a second compound that is a bipolar compound, (ii) a third compound that is a hole transport compound and a fourth compound that is an electron transport compound, or (iii) the second compound that is the bipolar compound and the fourth compound that is the electron transport compound.

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