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    • 6. 发明授权
    • White organic light-emitting device
    • 白色有机发光装置
    • US08940408B2
    • 2015-01-27
    • US12574265
    • 2009-10-06
    • Meng-Ting LeeMiao-Tsai Chu
    • Meng-Ting LeeMiao-Tsai Chu
    • H01L51/10H01L33/00H01L51/50H01L51/00
    • H01L51/5036H01L51/0061H01L51/0074H01L51/0085
    • A white organic light-emitting device is provided by the present invention. The white organic light-emitting device includes an anode, a hole transport layer, a first light-emitting layer, a second light-emitting layer, a third light-emitting layer, an electron transport layer and a cathode, wherein the second light-emitting layer is formed between the first and the third light-emitting layers, the emission wavelength of the second light-emitting layer is longer than that of the first and third light-emitting layers, and the host material of the first and third light-emitting layer are different. The white organic light-emitting device of the present invention is capable of effectively increasing the luminous efficiency, reducing operating voltage, and providing color stability.
    • 本发明提供白色有机发光装置。 白色有机发光装置包括阳极,空穴传输层,第一发光层,第二发光层,第三发光层,电子传输层和阴极,其中, 在第一和第三发光层之间形成发光层,第二发光层的发射波长比第一和第三发光层的发射波长长,第一和第三发光层的主体材料, 发光层不同。 本发明的白色有机发光装置能够有效地提高发光效率,降低工作电压,提供颜色稳定性。