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    ORGANIC LIGHT-EMISSION DEVICE
    24.
    发明申请
    ORGANIC LIGHT-EMISSION DEVICE 审中-公开

    公开(公告)号：US20200161592A1

    公开(公告)日：2020-05-21

    申请号：US16689962

    申请日：2019-11-20

    Applicant: LG DISPLAY CO., LTD. ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY

    Inventor： Jicheol SHIN ,  Jeongdae SEO ,  Jae-Hoon KIM ,  Chang-Jae YU

    IPC: H01L51/52 ,  H01L51/50 ,  H01L51/56 ,  H01L51/00

    Abstract: Disclosed is an organic light-emission device including a first electrode, a second electrode, and the light-emission layer interposed therebetween, wherein the light-emission layer contains a mesogenic polymer-based light-emission material and a chiral dopant, wherein the light-emission layer has one face facing the first electrode and an opposite face facing the second electrode, wherein molecules of the mesogenic polymer-based light-emission material in the one face are orientated in a first predetermined direction, while molecules of the mesogenic polymer-based light-emission material in the opposite face are orientated in a second predetermined direction different from the first predetermined direction, wherein an angle of the second predetermined direction relative to the first predetermined direction is defined as a twisted angle, and wherein molecules of the mesogenic polymer-based light-emission material are vertically arranged in a spirally twisted manner within the twisted angle between the one and opposite faces of the light-emission layer to form a twisted structure.

    ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY INCLUDING THE SAME
    25.
    发明申请
    ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY INCLUDING THE SAME 审中-公开

    公开(公告)号：US20190198789A1

    公开(公告)日：2019-06-27

    申请号：US16217143

    申请日：2018-12-12

    Applicant: LG Display Co., Ltd.

    Inventor： Sangbeom KIM ,  Jeongdae SEO

    IPC: H01L51/50 ,  H01L51/52

    Abstract: Disclosed is an organic light emitting diode and an organic light emitting display including the same, where the organic light emitting diode includes: a first electrode; a light emitting stack disposed on the first electrode; and a second electrode disposed on the light emitting stack, where the light emitting stack includes a hole transport layer and a blue light emitting layer such that the hole transport layer and the blue light emitting layer are sequentially stacked on the first electrode, where the blue light emitting layer includes a blue host material and a blue fluorescent dopant material, and the hole transport layer includes a hole transport layer material. The blue fluorescent dopant material has a higher LUMO energy level than the blue host material and the blue fluorescent dopant material has a higher HOMO energy level than the blue host material.

    ORGANIC LIGHT EMITTING DISPLAY DEVICE
    27.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY DEVICE 有权
    有机发光显示装置

    公开(公告)号：US20160141502A1

    公开(公告)日：2016-05-19

    申请号：US14833322

    申请日：2015-08-24

    Applicant: LG Display Co., Ltd.

    Inventor： SungHoon JOO ,  Jeongdae SEO ,  Hyoseok KIM ,  Hyeseung KANG ,  Seonkeun YOO ,  Min YUN

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

    CPC classification number: H01L51/0052 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1044 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/504 ,  H01L51/5044 ,  H01L51/5072

    Abstract: An organic light emitting display device is disclosed. The organic light emitting display device comprises at least two light emitting parts between an anode and a cathode, each of the light emitting parts having a light emitting layer and an electron transport layer, charge generation layers between the at least two light emitting parts, wherein at least one among the electron transport layers in the at least two light emitting parts includes a pyrimidine derivative at both sides of the core so as to reduce a driving voltage and increase an efficiency of the organic light emitting display device.

    Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括在阳极和阴极之间的至少两个发光部分，每个发光部分具有发光层和电子传输层，所述至少两个发光部分之间的电荷产生层，其中 至少两个发光部分的电子传输层中的至少一个在芯的两侧包括嘧啶衍生物，以降低驱动电压并提高有机发光显示装置的效率。

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