The exciplex emission of organic light emitting diodes with 5, 6, 11, 12-tetraphenylnaphthacene (Rubrene)-doped hole transport layer Ching-Huei Tseng, Uerng-Yih Ueng et Meiso YokoyamaJ. Phys. IV France, 132 (2006) 351-354DOI: https://doi.org/10.1051/jp4:2006132067