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    LIGHT-EMITTING DEVICE AND AN ELECTRONIC APPARATUS INCLUDING THE SAME
    31.
    发明申请
    LIGHT-EMITTING DEVICE AND AN ELECTRONIC APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20220131108A1

    公开(公告)日：2022-04-28

    申请号：US17508480

    申请日：2021-10-22

    Applicant: Samsung Display Co., Ltd

    Inventor： Myoungjin PARK ,  Changhee Lee ,  Jaehong Park ,  Jingoo Kang ,  Seokgyu Yoon ,  Jaeyong Lee

    IPC: H01L51/52 ,  H01L51/50

    Abstract: A light-emitting device includes: a first electrode; a second electrode; an interlayer between the first electrode and the second electrode and including an emission layer; a hole transport region between the first electrode and the emission layer; and an electron transport region between the second electrode and the emission layer, wherein the first electrode is a multi-layered electrode including: a first layer including a first material, a second layer disposed on the first layer and including a second material, and a third layer between the second layer and the hole transport region and including a third material, wherein a first surface of the third layer contacts the second layer, and a second surface of the third layer facing the first surface directly contacts the hole transport region, and the third material has a work function of greater than about 4.8 eV and less than or equal to about 6.8 eV.

    Display apparatus
    33.
    发明授权
    Display apparatus 有权

    公开(公告)号：US12137600B2

    公开(公告)日：2024-11-05

    申请号：US17511964

    申请日：2021-10-27

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Dongjin Kang ,  Changhee Lee

    IPC: H10K65/00 ,  G06V40/13 ,  H10K39/32 ,  H10K59/12 ,  H10K59/38

    Abstract: A display apparatus includes: a first unit pixel including a plurality of light-emitting diodes, and a second unit pixel including a plurality of light-emitting diodes and a photodetector diode. Each of the plurality of light-emitting diodes includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, and the photodetector diode includes a third electrode, a fourth electrode facing the third electrode, an active layer disposed between the third electrode and the fourth electrode, and a color filter layer disposed between the fourth electrode and the active layer.

    LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    38.
    发明申请
    LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME 有权

    公开(公告)号：US20230135917A1

    公开(公告)日：2023-05-04

    申请号：US17903956

    申请日：2022-09-06

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sehun Kim ,  Changhee Lee ,  Jaekook Ha ,  Jingoo Kang ,  Youngmo Koo ,  Youngil Kim ,  Jiyoon Kim

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

    Abstract: A light-emitting device includes: a substrate; a cathode on the substrate; an anode on the cathode; and an organic layer arranged between the cathode and the anode and including an emission layer. The organic layer includes: an electron transport region between the emission layer and the cathode; and a hole transport region between the emission layer and the anode, wherein the hole transport region includes a first compound including a first repeating unit represented by Formula 1, a second compound represented by Formula 2, a fifth compound represented by Formula 5, or any combination thereof, wherein Formulas 1, 2, and 5 are respectively the same as described herein.

    LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF AND ELECTRONIC APPARATUS INCLUDING THE SAME
    39.
    发明申请
    LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF AND ELECTRONIC APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20230131817A1

    公开(公告)日：2023-04-27

    申请号：US17933670

    申请日：2022-09-20

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jiyoon Kim ,  Changhee Lee ,  Myoungjin Park

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

    Abstract: Provided are a light-emitting device, a manufacturing method thereof and an electronic apparatus including the same, the light-emitting device including: a first electrode; a second electrode facing the first electrode; a middle region including an emission layer between the first electrode and the second electrode and an electron transport region between the second electrode and the emission layer; and an anti-oxidation layer between the second electrode and the electron transport region. The electron transport region includes an inorganic electron transport layer that comprises a metal oxide layer including a metal oxide.

    Ink composition, light-emitting device including the same, and method of preparing the light-emitting device
    40.
    发明授权
    Ink composition, light-emitting device including the same, and method of preparing the light-emitting device 有权

    公开(公告)号：US11597848B2

    公开(公告)日：2023-03-07

    申请号：US17092918

    申请日：2020-11-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Junbo Sim ,  Dukki Kim ,  Hyojin Ko ,  Changhee Lee ,  Jaekook Ha

    IPC: H01L51/00 ,  C09D11/36 ,  C09D11/033 ,  C09D11/50 ,  H01L51/56

    Abstract: An inkjet composition for an inkjet printer, a light-emitting device including the same, and a method of manufacturing the light-emitting device are provided. The ink composition may include light-emitting diodes and a solvent. The solvent may have a first viscosity at a first temperature section that may be greater than a second viscosity at a second temperature section. The solvent may include an ester compound of citric acid, glycol, alkanediol, alkanolamine, alkenic acid, alkenol, a pyrrolidone group-containing compound, glycerol, a compound represented by Formula 1, a compound represented by Formula 2, or any combination thereof: Substituents in Formula 1 and Formula 2 may be understood as described in connection with the detailed description. Each of the light-emitting diodes may have a size in a range of about 0.1 μm to about 10 μm.

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