Study of triplet exciton’s energy transfer in white phosphorescent organic light-emitting diodes with multi-doped single emissive layer. - Kim, Jin Wook; Kim, Nam Ho; Yoon, Ju-An; Yoo, Seung Il; Kang, Jin Sung; Cheah, Kok Wai; Zhu, Fu Rong; Kim, Woo Young (Optical Materials, 2015)