Patent ID: 8237158
Filing Date: 2012-08-07
Classification: H01L

Abstract:
1. An organic electroluminescence device suitable for being configured on a substrate and comprising: a first electrode configured on the substrate; a first doped carrier transporting layer configured on the first electrode; a light-emitting layer configured on the first doped carrier transporting layer; a second doped carrier transporting layer configured on the light-emitting layer and having a first surface and a second surface, the first surface being in contact with the light-emitting layer, the second surface being opposite to the first surface, wherein the first surface is substantially a planar surface, and the second surface is a rough surface; and a second electrode configured on the second surface, wherein surface roughness (Ra) of the second surface ranges from about 30 nm to about 200 nm, and a thickness of the second doped carrier transporting layer ranges from about 0.2 μm to about 2 μm.