Organic Light-Emitting Device Having Improved Efficiency Characteristics and Organic Light-Emitting Display Apparatus Including the Same
申请人:Cho Hwan-Hee
公开号:US20140191206A1
公开(公告)日:2014-07-10
An organic light-emitting device includes: a first electrode, a second electrode facing the first electrode, a phosphorescent emission layer between the first electrode and the second electrode, an electron transportation layer between the phosphorescent emission layer and the second electrode, an electron control layer between the phosphorescent emission layer and the electron transportation layer, and an electron blocking layer between the phosphorescent emission layer and the first electrode. An organic light-emitting display apparatus includes the organic light-emitting device.