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    Display device and method of fabricating the same
    12.
    发明授权
    Display device and method of fabricating the same 有权

    公开(公告)号：US11937491B2

    公开(公告)日：2024-03-19

    申请号：US18140865

    申请日：2023-04-28

    Applicant: LG Display Co., Ltd.

    Inventor： Young-Nam Lim ,  Hyun-Chul Choi ,  Kwan-Soo Kim ,  Seok-Hyun Kim ,  Jae-Hyeon Kim

    IPC: H10K71/00 ,  H10K50/17 ,  H10K59/35

    CPC classification number: H10K71/00 ,  H10K50/17 ,  H10K50/171 ,  H10K59/35

    Abstract: A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.

    ORGANIC LIGHT-EMITTING DEVICE AND ORGANIC LIGHT-EMITTING DISPLAY DEVICE USING THE SAME
    15.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE AND ORGANIC LIGHT-EMITTING DISPLAY DEVICE USING THE SAME 审中-公开

    公开(公告)号：US20190189702A1

    公开(公告)日：2019-06-20

    申请号：US16283213

    申请日：2019-02-22

    Applicant: LG Display Co., Ltd.

    Inventor： Eun-Jung Park ,  Kwan-Soo Kim ,  Han-Byeol Seok ,  Seok-Hyun Kim

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

    CPC classification number: H01L27/3211 ,  H01L27/3248 ,  H01L51/5004 ,  H01L51/5044 ,  H01L51/5206 ,  H01L2251/552

    Abstract: An organic light-emitting device, including: a substrate including a blue sub-pixel, a green sub-pixel, and a red sub-pixel, each blue sub-pixel, green sub-pixel, and red sub-pixel respectively including an anode, a first common layer, a second common layer, and a cathode, in the blue sub-pixel, a blue light-emitting layer between the first common layer and the second common layer, in the green sub-pixel, a green light-emitting layer between the first common layer and the second common layer, and in the red sub-pixel, a red light-emitting layer between the first common layer and the second common layer, wherein HOMO energy levels of the blue, green, and red light-emitting layers are each lower than a HOMO energy level of the first common layer, and wherein the HOMO energy level of the green light-emitting layer is 0.2 eV or more higher than the HOMO energy level of the blue light-emitting layer.

    ORGANIC LIGHT-EMITTING DEVICE AND ORGANIC LIGHT-EMITTING DISPLAY DEVICE USING THE SAME
    17.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE AND ORGANIC LIGHT-EMITTING DISPLAY DEVICE USING THE SAME 审中-公开

    公开(公告)号：US20180122870A1

    公开(公告)日：2018-05-03

    申请号：US15794395

    申请日：2017-10-26

    Applicant: LG Display Co., Ltd.

    Inventor： Eun-Jung Park ,  Kwan-Soo Kim ,  Han-Byeol Seok ,  Seok-Hyun Kim

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

    CPC classification number: H01L27/3211 ,  H01L27/3248 ,  H01L51/5004 ,  H01L51/5044 ,  H01L51/5206 ,  H01L2251/552

    Abstract: An organic light-emitting device, including: a substrate including a blue sub-pixel, a green sub-pixel, and a red sub-pixel, each blue sub-pixel, green sub-pixel, and red sub-pixel respectively including an anode, a first common layer, a second common layer, and a cathode, in the blue sub-pixel, a blue light-emitting layer between the first common layer and the second common layer, in the green sub-pixel, a green light-emitting layer between the first common layer and the second common layer, and in the red sub-pixel, a red light-emitting layer between the first common layer and the second common layer, wherein HOMO energy levels of the blue, green, and red light-emitting layers are each lower than a HOMO energy level of the first common layer, and wherein the HOMO energy level of the green light-emitting layer is 0.2 eV or more higher than the HOMO energy level of the blue light-emitting layer.

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