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    ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY INCLUDING THE SAME
    1.
    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

    申请人： LG Display Co., Ltd.

    发明人： Sangbeom KIM ,  Jeongdae SEO

    IPC分类号： H01L51/50 ,  H01L51/52

    摘要： 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 DIODE, ORGANIC LIGHT-EMITTING DISPLAY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME
    4.
    发明申请
    ORGANIC LIGHT-EMITTING DIODE, ORGANIC LIGHT-EMITTING DISPLAY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME 有权

    公开(公告)号：US20220255032A1

    公开(公告)日：2022-08-11

    申请号：US17724784

    申请日：2022-04-20

    申请人： LG Display Co., Ltd.

    发明人： Sangbeom KIM ,  Jeongdae SEO

    IPC分类号： H01L51/50 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52

    摘要： An organic light-emitting diode includes: a first electrode, a light-emitting stack thereon including: a hole transport layer (HTL), a blue light-emitting layer including: a blue host material (BHM), and a blue fluorescent dopant (BFD) material, and an electron transport layer (ETL), and a second electrode on the light-emitting stack, wherein BFD LUMO>BHM, BFD HOMO>BHM, BFD singlet energy BHM and BFD, HTL HOMO−BFD HOMO≤0.1 eV, the HTL material LUMO>the BHM, HTL LUMO−BHM LUMO>0.5 eV, HTL LUMO>BFD, ETL LUMO>BHM and BFD, a difference in LUMO between the ETL material and the BFD material ≤0.1 eV, and the HTL material, the ETL material, and the BHM have the following triplet energy relationships: T1,BH

    COMPOUND AND ORGANIC LIGHT-EMISSION DEVICE
    5.
    发明申请
    COMPOUND AND ORGANIC LIGHT-EMISSION DEVICE 审中-公开

    公开(公告)号：US20200048273A1

    公开(公告)日：2020-02-13

    申请号：US16530234

    申请日：2019-08-02

    申请人： LG Display Co., Ltd.

    发明人： Heejun PARK ,  Seonkeun YOO ,  Sangbeom KIM ,  Soyoung JANG ,  Jicheol SHIN

    IPC分类号： C07D493/04 ,  C07D497/04 ,  C07D495/04 ,  H01L51/00

    摘要： The present invention provides a novel compound of an amine derivative including a spiro compound. The novel compound has excellent hole transport characteristics. Thus, when the novel compound is applied to a hole transport layer, an auxiliary hole transport layer and an electron blocking layer of an organic light-emitting device, the device realizes low driving voltage, high efficiency, high thermal stability and long life-span. Further, when the novel compound is applied as a blue light-emitting material, the device realizes a low driving voltage and high efficiency.

    ORGANIC LIGHT-EMITTING DIODE, ORGANIC LIGHT-EMITTING DISPLAY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME
    7.
    发明申请
    ORGANIC LIGHT-EMITTING DIODE, ORGANIC LIGHT-EMITTING DISPLAY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME 有权

    公开(公告)号：US20210143353A1

    公开(公告)日：2021-05-13

    申请号：US17093291

    申请日：2020-11-09

    申请人： LG Display Co., Ltd.

    发明人： Sangbeom KIM ,  Jeongdae SEO

    IPC分类号： H01L51/50 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52

    摘要： An organic light-emitting diode includes: a first electrode, a light-emitting stack thereon including: a hole transport layer (HTL), a blue light-emitting layer including: a blue host material (BHM), and a blue fluorescent dopant (BFD) material, and an electron transport layer (ETL), and a second electrode on the light-emitting stack, wherein BFD LUMO>BHM, BFD HOMO>BHM, BFD singlet energy BHM and BFD, HTL HOMO−BFD HOMO≤0.1 eV, the HTL material LUMO>the BHM, HTL LUMO−BHM LUMO≥0.5 eV, HTL LUMO>BFD, ETL LUMO>BHM and BFD, a difference in LUMO between the ETL material and the BFD material≤0.1 eV, and the HTL material, the ETL material, and the BHM have the following triplet energy relationships: T1,BH

    ORGANIC ELECTROLUMINESCENCE DEVICE
    8.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE 审中-公开

    公开(公告)号：US20200058874A1

    公开(公告)日：2020-02-20

    申请号：US16537222

    申请日：2019-08-09

    申请人： LG Display Co., Ltd.

    发明人： Sangbeom KIM ,  Shinhan KIM ,  Jeongdae SEO ,  Inbum SONG ,  Seunghee YOON

    IPC分类号： H01L51/00 ,  C09K11/06

    摘要： Disclosed is an organic electroluminescence device. The device includes an anode; a cathode; and a first light-emission layer disposed between the anode and the cathode and configured for emitting blue light. The first light-emission layer comprises a host composition and a blue dopant. The blue dopant includes at least one compound represented by Chemical Formula D. The host composition contains a first host compound and a second host compound. The first host compound has a triplet energy level higher than a triplet energy level of the blue dopant, while the second host compound has a triplet energy level lower than the triplet energy level of the blue dopant. In Chemical Formula D, each of Ra, Rb, Rc, Rd and Re independently is the same as defined in the present specification.