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发明授权
CN101931054B 白光有机发光元件 有权

白光有机发光元件
摘要：
一种白光有机发光元件，包括：阳极、空穴传输层、第一发光层、第二发光层、第三发光层、电子传输层及阴极，其中，第二发光层形成于第一及第三发光层之间，且其发光波长比第一发光层及第三发光层的发光波长较长，以及第一发光层及第三发光层的主发光材料为不同材料。本发明的白光有机发光元件能有效提升发光效率、降低操作电压，并提供色稳定性。
摘要（英）：

The invention discloses an organic white-light emitting element which comprises an anode, a hole transport layer, a first light emitting layer, a second light emitting layer, a third light emitting layer, an electronic transport layer and a cathode, wherein the second light emitting layer is formed between the first and the third light emitting layers; the wavelength of the light emitted by the second light emitting layer is longer than that of the light emitted by the first and the third light emitting layers; and the main light emitting materials of the first and the third light emitting layers are different. The organic white-light emitting element can effectively promote light emitting efficiency, decrease control voltage and provide color stability.

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