LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS COMPRISING SAME

    公开(公告)号:US20210351365A1

    公开(公告)日:2021-11-11

    申请号:US17098455

    申请日:2020-11-16

    Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer disposed between the first electrode and the second electrode and including an emission layer patterned into a red emission layer and a green emission layer for a corresponding sub-pixel, wherein the red emission layer includes a red dopant having a horizontal dipole moment, and the green emission layer comprises a green dopant having a horizontal dipole moment, and the horizontal dipole moment of the green dopant is greater than the horizontal dipole moment of the red dopant.

    Organic light emitting display device

    公开(公告)号:US11107865B2

    公开(公告)日:2021-08-31

    申请号:US16662630

    申请日:2019-10-24

    Abstract: An organic light emitting display device includes a first substrate, a second substrate opposite from the first substrate, a plurality of organic light emitting elements on the first substrate, and a color filter on the organic light emitting elements, wherein a transmission wavelength band of the color filter has an upper limit value for transmitting a light wavelength corresponding to a first intensity of a light emitted from the organic light emitting elements at a viewing angle of about 0°, and has a lower limit value for transmitting a light wavelength corresponding to a second intensity that is less than the first intensity.

    Organic light-emitting display apparatus

    公开(公告)号:US10553651B2

    公开(公告)日:2020-02-04

    申请号:US16016145

    申请日:2018-06-22

    Abstract: An organic light-emitting display apparatus includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to emit different colors of light. The organic light-emitting display apparatus includes: a substrate; first through third pixel electrodes; a first organic emission layer configured to emit light having a first wavelength; a second organic emission layer configured to emit light having a second wavelength; a third organic emission layer configured to emit light having a third wavelength; an opposite electrode; a capping layer over the opposite electrode and having a refractive index with respect to the first wavelength that is higher than a refractive index with respect to the second wavelength by at least 7%; and a thin-film encapsulation layer over the capping layer.

    Organic light-emitting device
    28.
    发明授权

    公开(公告)号:US10236455B2

    公开(公告)日:2019-03-19

    申请号:US15223514

    申请日:2016-07-29

    Abstract: An organic light-emitting device is provided to have high efficiency and long lifespan. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a host and a dopant; an electron blocking layer disposed between the first electrode and the emission layer; and an electron transport region disposed between the emission layer and the second electrode, in which the electron blocking layer includes a metal halide, a metal oxide, or a combination thereof, and the actually measured lowest unoccupied molecular orbital (LUMO) value of the electron blocking layer is greater than the actually measured LUMO value of the host in the emission layer.

    ORGANIC LIGHT-EMITTING DEVICE
    30.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权
    有机发光装置

    公开(公告)号:US20160248034A1

    公开(公告)日:2016-08-25

    申请号:US14831824

    申请日:2015-08-20

    Abstract: An organic light-emitting device includes a substrate, an anode on the substrate, a hole transport region on the anode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a cathode on the electron transport region, wherein the electron transport region includes an electron injection layer including a first material including at least one of a halide of an alkali metal, and a second material including at least one of a lanthanide metal and a alkaline earth metal, and wherein the cathode contacts the electron injection layer and includes a first metal including at least one of silver, gold, platinum, copper, manganese, titanium, cobalt, nickel, and tungsten, and a second metal including at least one of a lanthanide metal and an alkaline earth metal, wherein an amount of the first metal is equal to or greater than that of the second metal.

    Abstract translation: 有机发光装置包括基板,基板上的阳极,阳极上的空穴传输区域,空穴传输区域上的发光层,发光层上的电子传输区域和电子传输区域上的阴极 其中,所述电子传输区域包括电子注入层,所述电子注入层包括包含碱金属的卤化物中的至少一种的第一材料和包含镧系金属和碱土金属中的至少一种的第二材料,并且其中所述阴极接触 电子注入层,并且包括包含银,金,铂,铜,锰,钛,钴,镍和钨中的至少一种的第一金属和包含镧系金属和碱土金属中的至少一种的第二金属 其中所述第一金属的量等于或大于所述第二金属的量。

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