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    DISPLAY APPARATUS HAVING LIGHT-EMITTING DEVICE
    5.
    发明申请
    DISPLAY APPARATUS HAVING LIGHT-EMITTING DEVICE 有权

    公开(公告)号：US20220208860A1

    公开(公告)日：2022-06-30

    申请号：US17562491

    申请日：2021-12-27

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Hong Seok CHOI ,  Chun Ki KIM ,  Ahn Ki KIM ,  Kyung Hoon HAN

    IPC: H01L27/32

    Abstract: A light-emitting device includes a light-emitting layer between a first electrode and a second electrode, he light emitted from the light-emitting device may display a white color, the light-emitting layer may include a plurality of emission stacks, each of the emission stacks includes at least one emission material layer, one of the emission stacks may include a stacked structure of a red emission material layer and a blue emission material layer, thus improving the white balance and increasing color viewing angle.

    WHITE ORGANIC LIGHT EMITTING DEVICE
    7.
    发明申请
    WHITE ORGANIC LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20190363274A1

    公开(公告)日：2019-11-28

    申请号：US16534816

    申请日：2019-08-07

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Tae Sun YOO ,  Hwa Kyung KIM ,  Hong Seok CHOI ,  Jae Il SONG ,  Mi Young HAN ,  Shin Han KIM ,  Hye Min OH

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

    Abstract: An organic light emitting device can include first and second electrodes formed to face each other on a substrate; a first stack interposed between the first and second electrode and configured with a hole injection layer, a first hole transportation layer, a first light emission layer and a first electron transportation layer which are stacked on the first electrode; a second stack interposed between the first stack and the second electrode and configured with a second hole transportation layer, a second light emission layer, a third light emission layer and a second electron transportation layer which are stacked on the first stack; a third stack interposed between the second stack and the second electrode and configured with a third hole transportation layer, a fourth light emission layer, a third electron transportation layer and an electron injection layer which are stacked on the second stack; and a first charge generation layer interposed between the first and second stacks and a second charge generation layer interposed between the second and third stacks.

    DISPLAY DEVICE INCLUDING LIGHT EMITTING ELEMENT
    8.
    发明公开
    DISPLAY DEVICE INCLUDING LIGHT EMITTING ELEMENT 审中-公开

    公开(公告)号：US20230217766A1

    公开(公告)日：2023-07-06

    申请号：US17976587

    申请日：2022-10-28

    Applicant: LG Display Co., Ltd.

    Inventor： Hong Seok CHOI ,  Ju Hyuk KWON ,  Shin Young JEONG ,  Hyun Jin CHO

    IPC: H01L27/32 ,  H01L51/50 ,  H01L27/12

    CPC classification number: H01L27/3218 ,  H01L27/322 ,  H01L51/504 ,  H01L27/1225 ,  H01L27/3262

    Abstract: Disclosed is a display device including a substrate at an exit side, first to third color subpixels provided on the substrate, each of the color subpixels having a thin film transistor, first to third color filters provided respectively at the first to third color subpixels, first to third anodes provided respectively on the first to third color filters so as to be connected to the thin film transistors, an emission unit commonly provided at the first to third color subpixels on the first to third anodes, the emission unit including at least two blue fluorescent stacks and two phosphorescent stacks, and a cathode provided on the emission unit, wherein the first to third color subpixels constitute a basic unit, and a third color subpixel of an n-th basic unit neighbors a first color subpixel of an (n+1)-th basic unit in the same row or column on the substrate.

    White Organic Light Emitting Device
    10.
    发明申请
    White Organic Light Emitting Device 有权
    白色有机发光装置

    公开(公告)号：US20150340635A1

    公开(公告)日：2015-11-26

    申请号：US14720405

    申请日：2015-05-22

    Applicant: LG Display Co., Ltd.

    Inventor： So Yeon AHN ,  Chang Wook HAN ,  Hong Seok CHOI ,  Seung Ryong JOUNG ,  Jung Soo PARK ,  Min Gyu LEE

    IPC: H01L51/50

    CPC classification number: H01L51/504 ,  H01L27/3209 ,  H01L27/322 ,  H01L51/5044 ,  H01L51/5278 ,  H01L2251/552

    Abstract: Disclosed is a white organic light emitting device. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a third emission part on the second emission part. At least one of the first to third emission parts includes at least two emission layers including a red emission layer, and a position of the red emission layer is set to enhance a color reproduction rate and at least one of red efficiency, green efficiency, and blue efficiency.

    Abstract translation: 公开了一种白色有机发光装置。 白色有机发光器件包括在第一电极和第二电极之间的第一发射部分，第一发射部分上的第二发射部分和第二发射部分上的第三发射部分。 第一至第三发光部分中的至少一个包括至少两个包括红色发射层的发射层，并且设置红色发射层的位置以提高颜色再现速率，并且红色效率，绿色效率和 蓝色效率。

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