Weak-microcavity organic light-emitting diodes with improved light out-coupling Cho, Sang-Hwan ; Song, Young-Woo ; Lee, Joon-gu ; Kim, Yoon-Chang ; Lee, Jong Hyuk ; Ha, Jaeheung ; Oh, Jong-Suk ; Lee, So Young ; Lee, Sun Young ; Hwang, Kyu Hwan ; Zang, Dong-Sik ; Lee, Yong-Hee Abstract Publication: Optics Express Pub Date: August 2008 DOI: 10.1364/OE.16.012632 Bibcode: 2008OExpr..1612632C