DISPLAY APPARATUS
    21.
    发明申请

    公开(公告)号:US20250057000A1

    公开(公告)日:2025-02-13

    申请号:US18670891

    申请日:2024-05-22

    Abstract: A display apparatus includes, a light emitting device disposed over an emission area of a substrate and emitting light of a first wavelength, and a display panel including a color filter disposed over the light emitting device, a transmittance of the color filter of light of the first wavelength is less than a transmittance of the color filter of light of a second wavelength and the second wavelength is greater than the first wavelength, and an angle-dependent color change of the display panel in the emission area of the substrate at standard coordinates (0.1754, 0.1579) is within a trajectory range of about 10 of a MacAdams ellipse.

    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
    29.
    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.

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