Electronic device comprising organic compound having p-type semiconducting characteristics
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United States of America Patent
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May 26, 2009
Grant Date -
Sep 2, 2004
app pub date -
Mar 10, 2004
filing date -
Dec 31, 1999
priority date (Note) -
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Abstract
The present invention relates to electronic devices comprising an organic compound acting to inject or transport holes with p-type semi-conducting characteristics. The present invention provides for electronic devices comprising at least one or more layers selected from a group composed of a hole injecting layer, a hole transporting layer, and a hole injecting and transporting layer which comprises hexaazatriphenylene based organic compound represented by chemical formula (1), wherein the devices can use low drive-voltage, and can improve a light-emitting life.
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