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    ORGANIC LIGHT EMITTING DEVICE AND ORGANIC LIGHT EMITTING DISPLAY HAVING THE SAME
    4.
    发明申请
    ORGANIC LIGHT EMITTING DEVICE AND ORGANIC LIGHT EMITTING DISPLAY HAVING THE SAME 有权
    有机发光装置和有机发光显示器

    公开(公告)号：US20150097167A1

    公开(公告)日：2015-04-09

    申请号：US14466686

    申请日：2014-08-22

    Applicant: LG Display Co., Ltd.

    Inventor： Jae-Il SONG ,  Seung-Ryong JOUNG ,  So-Yeon AHN

    IPC: H01L51/00 ,  H01L27/32 ,  H01L51/50

    CPC classification number: H01L51/5044

    Abstract: An organic light emitting device including a first electrode connected to a thin film transistor formed on a substrate, a second electrode opposite to the first electrode, and an organic laminate formed between the first electrode and the second electrode and including a hole transport layer, a multilayer-light emitting structure, and an electron transport layer. The multilayer-light emitting structure includes at least two light emitting layers emitting light of different colors through recombination of electrons and holes injected through the first and second electrodes, and a charge transport control layer formed of a bipolar material transporting both electrons and holes at boundaries between the at least two light emitting layers and controlling the amount of charges transported between the at least two light emitting layers.

    Abstract translation: 一种有机发光器件，包括连接到形成在衬底上的薄膜晶体管的第一电极，与第一电极相对的第二电极和形成在第一电极和第二电极之间的有机叠层，并且包括空穴传输层， 多层发光结构和电子传输层。 多层发光结构包括通过电子注入的第一和第二电极的电荷和空穴的复合而发射不同颜色的光的至少两个发光层，以及由在边界处传输电子和空穴的双极材料形成的电荷传输控制层 在所述至少两个发光层之间并控制在所述至少两个发光层之间传输的电荷量。

    ORGANIC LIGHT EMITTING DEVICE
    5.
    发明公开
    ORGANIC LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20240276754A1

    公开(公告)日：2024-08-15

    申请号：US18527783

    申请日：2023-12-04

    Applicant: LG Display Co., Ltd.

    Inventor： Chun-Ki Kim ,  Jeong-Eun WON ,  Seung-Ryong JOUNG ,  Yo-Sub LEE

    IPC: H10K50/15 ,  H10K85/60

    CPC classification number: H10K50/157 ,  H10K50/156 ,  H10K85/60 ,  H10K85/624 ,  H10K85/633 ,  H10K85/654 ,  H10K85/6572 ,  H10K50/155 ,  H10K50/166 ,  H10K85/626

    Abstract: An organic light emitting device (e.g., a display device or a lighting device) is described, which includes a substrate; and an OLED over the substrate, the organic light emitting diode comprising: a cathode; an anode over the cathode; and an organic light emitting layer including a first emitting part, a second emitting part between the first emitting part and the anode and a third emitting part between the first and second emitting parts. The first emitting part includes a first EML, a p-doping layer between the cathode and the first EML, an n-doping layer between the first EML and the p-doping layer and a first ETL between the first EML and the n-doping layer. The second emitting part includes a second EML, and the third emitting part includes a third EML. The p-doping layer includes an HTL and first and second p-doping layers at both sides of the HTL, respectively.

    ORGANIC LIGHT EMITTING DEVICE
    7.
    发明公开
    ORGANIC LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20240276751A1

    公开(公告)日：2024-08-15

    申请号：US18537084

    申请日：2023-12-12

    Applicant: LG Display Co., Ltd.

    Inventor： Jeong-Eun WON ,  Chun-Ki KIM ,  Yo-Sub LEE ,  Seung-Ryong JOUNG

    IPC: H10K50/12 ,  H10K50/155 ,  H10K50/165 ,  H10K85/30 ,  H10K85/60

    CPC classification number: H10K50/12 ,  H10K50/155 ,  H10K50/165 ,  H10K85/342 ,  H10K85/636 ,  H10K85/6572 ,  H10K85/6574

    Abstract: An organic light emitting device is disclosed, which comprises: a substrate; a cathode over the substrate; an anode disposed over the cathode; and an organic light emitting layer comprising a first emitting part, a second emitting part between the first emitting part and the anode and a third emitting part between the first and second emitting parts and positioned between the cathode and the anode, wherein the first emitting part comprises a first emitting material layer, and the second emitting part comprises a second emitting material layer, wherein the third emitting part comprises a third emitting material layer, and the third emitting material layer comprises a red emitting material layer and a green emitting material layer, wherein the green emitting material layer comprises a first p-type host, a first n-type host and a green dopant.

    ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE
    9.
    发明申请
    ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE 有权

    公开(公告)号：US20210013266A1

    公开(公告)日：2021-01-14

    申请号：US17025470

    申请日：2020-09-18

    Applicant: LG Display Co., Ltd

    Inventor： Kang-Ju LEE ,  Seung-Ryong JOUNG ,  Seong-Su JEON ,  Tae-Shick KIM

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

    Abstract: An organic light emitting diode display device includes an overcoating layer on a substrate having an emitting area and a non-emitting area and including a plurality of convex portions and a plurality of concave portions; a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer, wherein the light emitting layer includes first, second and third emitting material layers sequentially under the second electrode, and wherein the first emitting material layer emits a first light of a first wavelength, the second emitting material layer emits the first light of the first wavelength, and the third emitting material layer emits a second light of a second wavelength different from the first wavelength.

    ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE
    10.
    发明申请
    ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE 审中-公开

    公开(公告)号：US20200058709A1

    公开(公告)日：2020-02-20

    申请号：US16539694

    申请日：2019-08-13

    Applicant: LG Display Co., Ltd

    Inventor： Kang-Ju LEE ,  Seung-Ryong JOUNG ,  Seong-Su JEON ,  Tae-Shick KIM

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

    Abstract: An organic light emitting diode display device includes: an overcoating layer on a substrate having an emitting area and a non-emitting area and including a plurality of convex portions and a plurality of concave portions; a first electrode on the overcoating layer; a light emitting layer on the first electrode and including a first emitting material layer; and a second electrode on the light emitting layer, wherein the light emitting layer includes first, second and third emitting material layers sequentially under the second electrode, and wherein the first emitting material layer emits a first light of a first wavelength, the second emitting material layer emits the first light of the first wavelength, and the third emitting material layer emits a second light of a second wavelength different from the first wavelength.

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