Invention Grant
US08482017B2 Organic light emitting diode device 有权
有机发光二极管装置

Organic light emitting diode device
Abstract:
An organic light emitting diode device comprises a first electrode, a second electrode facing the first electrode, a first light emitting unit and a second light emitting unit positioned between the first electrode and the second electrode, a charge generation layer positioned between the first light emitting unit and the second light emitting unit, and a charge balance layer positioned adjacent to charge generation layer and including a lithium-containing compound.
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