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US 7,442,449 B2Granted
Organic electroluminescence device
AssigneeLG Display Co., Ltd.
InventorsJung Keun Kim, Hyun Cheol Jeong, Kyung Hoon Lee, Chun Gun Park, Jeong Dae Seo
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Abstract
The present invention provides an organic electroluminescence device, by which high brightness is provided in a manner of forming a hole injection or transport layer using a material that lowers an energy barrier. The present invention includes an organic emitting layer between a cathode and an anode and a hole injection and/or transport layer between the anode and the organic emitting layer, wherein at least one of the hole injection and transport layers has a configuration of Formula 1,
Claims1
An organic electroluminescence device comprising:
- an organic emitting layer between a cathode and an anode;
- and
- a hole injection and/or transport layer between the anode and the organic emitting layer, wherein at least one of the hole injection and transport layers has a configuration of Formula 1,
Dependencies are inferred from the claim text.