Patent ID: 7982393

Claim:
An organic light emitting device, wherein an electron injecting electrode, at least one organic material layer including a light emitting layer, and a hole injecting electrode are laminated; and an inorganic insulating layer is provided between the electron injecting electrode and the organic material layer; and the inorganic insulating layer is a monolayer or multilayer having two or more layers, comprising at least one selected from the group consisting of, SrTiO 3 , Pb(Ti 0.55 Zr 0.45 )O 3 , and SrBi 2 Ta 2 O 9 , or a composite oxide consisting of at least two selected from the group consisting of Ta 2 O 5 , BaZrO 3 , ZrO 2 , HfO 2 , Y 2 O 3 , La 2 O 3 , ZrSiO 4 , SrTiO 3 , Pb(Ti 0.55 Zr 0.45 )O 3 , and SrBi 2 Ta 2 O 9 , or a composite oxide consisting of at least one selected from the group consisting of Ta 2 O 5 , BaZrO 3 , ZrO 2 , HfO 2 , Y 2 O 3 , La 2 O 3 , ZrSiO 4 , SrTiO 3 , Pb(Ti 0.55 Zr 0.45 )O 3 , and SrBi 2 Ta 2 O 9 , and at least one selected from BaTiO 3 and TiO 2 .