| 摘要 |
Organic light emitting devices are disclosed which include a heterostructure for producing electroluminescence wherein the heterostructure includes a non-metallic cathode. As a representative embodiment of the present invention, the heterostructure for producing electroluminescence includes in order,a non-metallic cathode layer (1),an electron injecting interface layer (6),an electron transporting layer (2),a hole transporting layer (3),and an anode layer (4);wherein the non-metallic cathode layer (1) includes an indium-tin oxide layer in contact with a copper phthalocyanine layer which functions as the electron injecting interface layer (6).
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