IP Library › Granted Patent US 7,576,484
Granted Patent B2
US 7,576,484 · App. 11/084,021 · Granted Aug 18, 2009

Organic electroluminescence device

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Quick Facts
Patent No.
US 7,576,484
App. No.
11/084,021
Granted
Aug 18, 2009
Kind
B2
Abstract

An organic electroluminescence device is disclosed, to realize improvement of luminance and decrease on driving voltage, which includes an anode, a hole injecting layer, a hole transport layer, an emitting layer, and a cathode, wherein, the hole injecting layer and the hole transport layer are formed of the material expressed by the following chemical formula 1:

Claims (3)

1. An organic electroluminescence device comprising:

an anode, a hole injecting layer, a hole transport layer, an emitting layer, and a cathode,

wherein the hole injecting layer and the hole transport layer are formed of any one material having the following chemical formula: