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刘式墉
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期刊论文
Low-voltage organic electroluminescent devices using pin structures
Appl. Phys. Lett., Vol. 80, No.1, 7 January 2002，-0001，（）：
We have realized a small-molecule organic light-emitting diode where the intrinsic emitter layer is sandwiched by n- and p-doped transport layers with appropriate blocking layers. The diodes based on this pin concept have exponential forward characteristics up to comparatively high current densities. The diodes reach high brightness at very low operating voltage: for instance, 1000cd/m2 at a voltage of 2.9V. Despite the highly doped transport layers, the devices reach very high efficiency for the given emitter system up to high brightness.
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