ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20200185462A1

    公开(公告)日:2020-06-11

    申请号:US16521133

    申请日:2019-07-24

    Abstract: An organic light-emitting display apparatus and a method of manufacturing the same are provided. An organic light-emitting display apparatus includes a first light-emitting unit including a first color light-emitting layer on an area of a substrate, a second light-emitting unit including a second color light-emitting layer spaced apart from the first color light-emitting layer, and a third light-emitting unit including a third color light-emitting layer as a common layer corresponding to both areas of the first color light-emitting layer and the second color light-emitting layer, and the first color light-emitting layer includes a lower light-emitting layer and an upper light-emitting layer that are stacked to have a multilayered structure.

    Organic light-emitting device and apparatus including the same

    公开(公告)号:US11569470B2

    公开(公告)日:2023-01-31

    申请号:US16928544

    申请日:2020-07-14

    Abstract: An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum.

    DISPLAY APPARATUS
    5.
    发明申请

    公开(公告)号:US20250040411A1

    公开(公告)日:2025-01-30

    申请号:US18630956

    申请日:2024-04-09

    Abstract: A display apparatus includes: a circuit layer on a substrate, a pixel electrode on the circuit layer, an intermediate layer on the pixel electrode and including a first emission layer, a second emission layer, a third emission layer, and a fourth emission layer, an opposite electrode on the intermediate layer, a color filter layer on the opposite electrode and including a first color filter, a second color filter, and a third color filter, and an optical auxiliary layer between the pixel electrode and the intermediate layer, wherein a thickness of each of layers included in the intermediate layer and a thickness of each of optical auxiliary layers included in the optical auxiliary layer are optimized.

    ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME

    公开(公告)号:US20230165030A1

    公开(公告)日:2023-05-25

    申请号:US18151954

    申请日:2023-01-09

    CPC classification number: H10K50/15 H10K50/852 H10K85/633 H10K50/11

    Abstract: An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum.

    Organic electro luminescence device and display device including the same

    公开(公告)号:US12167619B2

    公开(公告)日:2024-12-10

    申请号:US17380547

    申请日:2021-07-20

    Inventor: Hyomin Ko Ilsoo Oh

    Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode, the first hole transport layer including a first organic compound having a first dielectric constant and a second hole transport layer disposed between the first hole transport layer and the emission layer, the second hole transport layer including a second organic having a second dielectric constant which is greater than the first dielectric constant.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20230180505A1

    公开(公告)日:2023-06-08

    申请号:US17984119

    申请日:2022-11-09

    CPC classification number: H01L51/5076 H01L51/5218 H01L27/3244

    Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer arranged between the first electrode and the second electrode and including an emission layer, an electron transport layer, a first layer including a p-dopant and a second layer including an n-dopant,



    wherein the electron transport layer is located between the emission layer and the first electrode,
    the first layer and the second layer are located between the electron transport layer and the first electrode, and
    the first electrode is a reflective electrode.

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