다만 , 이 에 의하 여 한정 되 는 것 은 아니 며 , 예 를 들 어 , Alq 3 ( tris ( 8 - hydroxyquinolino ) aluminum ) , CBP ( 4 , 4 '- bis ( N - carbazolyl ) - 1 , 1 '- biphenyl ) , PVK ( poly ( n - vinylcabazole ) , ADN ( 9 , 10 - di ( naphthalene - 2 - yl ) anthracene ) , TCTA ( 4 , 4 ', 4 ''- Tris ( carbazol - 9 - yl ) - triphenylamine ) , TPBi ( 1 , 3 , 5 - tris ( N - phenylbenzimidazole - 2 - yl ) benzene ) , TBADN ( 3 - tert - butyl - 9 , 10 - di ( naphth - 2 - yl ) anthracene ) , DSA ( distyrylarylene ) , CDBP ( 4 , 4 ′- bis ( 9 - carbazolyl ) - 2 , 2 ′'- dimethyl - biphenyl ) , MADN ( 2 - Methyl - 9 , 10 - bis ( naphthalen - 2 - yl ) anthracene ) , DPEPO ( bis [ 2 -( diphenylphosphino ) phenyl ] ether oxide ) , CP 1 ( Hexaphenyl cyclotriphosphazene ) , UGH 2 ( 1 , 4 - Bis ( triphenylsilyl ) benzene ) , DPSiO 3 ( H exaphenylcyclotrisiloxane ) , DPSiO 4 ( Octaphenylcyclotetra siloxane ) , PPF ( 2 , 8 - Bis ( diphenylphosphoryl ) dibenzofuran ) 등 을 호스트 재료 로 사용 할 수 있 다 .