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    White organic light emitting diode and display including the same
    11.
    发明授权
    White organic light emitting diode and display including the same 有权

    公开(公告)号：US10431765B2

    公开(公告)日：2019-10-01

    申请号：US15693098

    申请日：2017-08-31

    Applicant: LG Display Co., Ltd.

    Inventor： Ji-Young Kim ,  Youn-Seok Kam ,  Ki-Woog Song ,  Tae-Shick Kim ,  Min-Gyu Lee ,  Tae-Seok Lim

    IPC: H01L51/50 ,  H01L51/00 ,  H01L51/52 ,  H01L27/32

    Abstract: Disclosed are a tandem white organic light emitting diode with long lifespan and low driving voltage, and a display device including the same. The white organic light emitting diode includes a first light emitting part, a second light emitting part and a third light emitting part disposed between a first electrode and a second electrode. The first and third light emitting parts include a blue light emitting layer and the second light emitting part includes a red light emitting layer and a yellow-green light emitting layer. At least one layer of the red light emitting layer and the yellow-green light emitting layer includes a hole transport host based on a compound shown below: wherein each of R1, R2, and R3 are independently selected from hydrogen, heavy hydrogen, a C5-C7 aromatic cyclic and C1-C6 heterocyclic group.

    Organic light emitting display device
    12.
    发明授权
    Organic light emitting display device 有权
    有机发光显示装置

    公开(公告)号：US09184405B2

    公开(公告)日：2015-11-10

    申请号：US14073709

    申请日：2013-11-06

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Ki-Woog Song ,  Sung-Hoon Pieh ,  Seok-Joon Oh ,  Youn-Seok Kam ,  Dong-Hyuk Kim ,  Seon-Keun Yoo ,  Tae-Shick Kim

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

    CPC classification number: H01L51/5024 ,  H01L27/3209 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/504 ,  H01L2251/5376 ,  H01L2251/5384

    Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, at least one emission layer formed between the first and second electrodes, a hole transport layer formed between the first electrode and the emission layer, and an electron transport layer formed between the second electrode and the emission layer, wherein the emission layer includes a first emission mixed layer formed on the hole transport layer, the first emission mixed layer including a first hole-type host and a first phosphorescent dopant, and a second emission mixed layer formed between the first emission mixed layer and the electron transport layer, the second emission mixed layer including a first electron-type host and a second phosphorescent dopant.

    Abstract translation: 有机发光显示装置包括在基板上彼此面对的第一和第二电极，形成在第一和第二电极之间的至少一个发射层，形成在第一电极和发射层之间的空穴传输层，以及电子传输层 形成在第二电极和发射层之间，其中发射层包括形成在空穴传输层上的第一发射混合层，第一发射混合层包括第一孔型主体和第一磷光掺杂剂，第二发射混合层 形成在第一发射混合层和电子传输层之间的第二发射混合层，第二发射混合层包括第一电子型主体和第二磷光掺杂剂。

    ORGANIC LIGHT EMITTING DISPLAY DEVICE
    13.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY DEVICE 有权
    有机发光显示装置

    公开(公告)号：US20140070196A1

    公开(公告)日：2014-03-13

    申请号：US14023670

    申请日：2013-09-11

    Applicant: LG Display Co., Ltd.

    Inventor： Shin-Han Kim ,  Hwa-Kyung Kim ,  Hong-Seok Choi ,  Gwi-Jeong Cho ,  Youn-Seok Kam ,  Mi-Young Han ,  Hye-Min Oh ,  Tae-Shick Kim ,  Seong-Su Jeon ,  Chi-Yul Song

    IPC: H01L51/50

    CPC classification number: H01L51/5024 ,  H01L51/504 ,  H01L2251/5384

    Abstract: Disclosed is an organic light emitting display device with an enhanced light emission efficiency at high current and an enhancement in panel efficiency through prevention of a roll-off phenomenon. The organic light emitting display device includes first and second electrodes formed on a substrate facing each other. A hole injection layer, a hole transport layer, at least first and second light emitting layers, and an electron transport layer are sequentially stacked between the first and second electrodes. The first light emitting layer includes different hosts while being doped with the same dopant in different dosages. The first light emitting layer includes a first host and a second host, and the second light emitting layer includes the first host and a third host different from the second host. The first and second light emitting layers are doped with the same phosphorescent yellow-phosphorescent green dopant in the same dosage.

    Abstract translation: 公开了一种在高电流下具有增强的发光效率并通过防止滚降现象提高面板效率的有机发光显示装置。 有机发光显示装置包括形成在彼此面对的基板上的第一和第二电极。 空穴注入层，空穴传输层，至少第一和第二发光层以及电子传输层依次层叠在第一和第二电极之间。 第一发光层包括不同的主体，同时以不同的剂量掺杂相同的掺杂剂。 第一发光层包括第一主体和第二主体，第二发光层包括第一主机和与第二主机不同的第三主机。 第一和第二发光层以相同的剂量掺杂相同的磷光黄磷光绿色掺杂剂。

    ORGANIC LIGHT EMITTING DISPLAY DEVICE
    16.
    发明申请
    ORGANIC LIGHT EMITTING DISPLAY DEVICE 有权
    有机发光显示装置

    公开(公告)号：US20140117338A1

    公开(公告)日：2014-05-01

    申请号：US14062128

    申请日：2013-10-24

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Gwi-Jeong Cho ,  Jae-Man Lee ,  Jeong-Haeng Heo ,  So-Yeon Ahn ,  Tae-Shick Kim ,  Hee-Dong Choi

    IPC: H01L51/52

    CPC classification number: H01L51/5044 ,  H01L51/0054 ,  H01L51/50 ,  H01L51/506 ,  H01L51/52 ,  H01L51/5278

    Abstract: An organic light emitting display device with improved lifespan is disclosed. The organic light emitting display device includes first and second electrodes facing each other on a substrate, at least two light emitting units formed between the first and second electrodes, an N-type charge generation layer and a P-type charge generation layer sequentially stacked between the light emitting units, and at least one auxiliary charge generation layer formed between at least any one of the P-type charge generation layer and the N-type charge generation layer and an emitting layer of the light emitting unit disposed on an upper or lower portion of the at least any one thereof and generating electrons and holes supplied to the emitting layer of the light emitting unit.

    Abstract translation: 公开了一种寿命延长的有机发光显示装置。 有机发光显示装置包括在基板上彼此面对的第一和第二电极，形成在第一和第二电极之间的至少两个发光单元，N型电荷产生层和P型电荷产生层， 所述发光单元以及形成在所述P型电荷产生层和所述N型电荷产生层中的至少任何一个上的至少一个辅助电荷产生层以及设置在上部或下部的所述发光单元的发光层 并且产生提供给发光单元的发光层的电子和空穴。

    Display device including white organic light-emitting device
    17.
    发明授权
    Display device including white organic light-emitting device 有权

    公开(公告)号：US11430834B2

    公开(公告)日：2022-08-30

    申请号：US17129359

    申请日：2020-12-21

    Applicant: LG Display Co., Ltd.

    Inventor： Mi-Young Han ,  Jung-Keun Kim ,  Tae-Shick Kim

    IPC: H01L27/32 ,  H01L51/52

    Abstract: A display device, includes a substrate having at least two colored subpixels and a white subpixel separately arranged thereon; a first anode having a first thickness at each of the colored subpixels on the substrate; a second anode, having a thickness smaller than the first thickness, at the white subpixel on the substrate; an organic stack comprising a first stack having a first blue emission layer, a second stack having a second blue emission layer, and a third stack having at least one of emission layers having a longer wavelength than the blue emission layers, which are provided in sequence on the first anode in the colored subpixel and the second anode in the white subpixel; a cathode over the organic stack; and a compensation pattern between the second anode and the substrate.

    Organic light emitting diode lighting apparatus and method of fabricating the same
    18.
    发明授权
    Organic light emitting diode lighting apparatus and method of fabricating the same 有权

    公开(公告)号：US10826024B2

    公开(公告)日：2020-11-03

    申请号：US16428529

    申请日：2019-05-31

    Applicant: LG Display Co., Ltd.

    Inventor： Kang-Ju Lee ,  Tae-Shick Kim

    IPC: H01L51/52 ,  H01L51/56

    Abstract: An organic light emitting diode lighting apparatus can include a substrate having an emitting area and first and second non-emitting areas; an auxiliary electrode in the first non-emitting area on the substrate; an overcoating layer in the emitting area on the substrate, the overcoating layer having a microlens including a plurality of convex portions and a plurality of concave portions; a first electrode on the auxiliary electrode and the overcoating layer, the first electrode including at least one open portion exposing the overcoating layer in the second non-emitting area; a gas blocking pattern covering the at least one open portion; and a light emitting layer and a second electrode disposed on the first electrode and the gas blocking pattern.

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