Abstract：A new DBR composed of positive and negative refractive index materials is introduced into MOLEDs. Based on the transfer matrix method,the reflectance spectra and the relationship between the reflection and incident angles of the DBR,the relationship between the transmission and incident angles of the MOLEDs,and the resonance wavelengths and normalized electroluminescence( EL) spectra versus the incident angles are analyzed and discussed. The results show that the new DBR has a broader reflection band and a small separation of TE wave and TM wave reflection bandwidth. The new MOLEDs have better angular property,comparing to the corresponding characters of the MOLEDs composed of positive and positive refractive index materials. The new structure is beneficial for realizing all dimensional reflections.

Keyword：MOLEDs;transfer matrix method;negative refraction index dielectric;EL spectra;