Invention Grant
- Patent Title: Organic electroluminescent element
- Patent Title (中): 有机电致发光元件
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Application No.: US10563581Application Date: 2004-07-20
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Publication No.: US07862904B2Publication Date: 2011-01-04
- Inventor: Horst Vestweber , Anja Gerhard , Philipp Stöβel
- Applicant: Horst Vestweber , Anja Gerhard , Philipp Stöβel
- Applicant Address: DE Darmstadt
- Assignee: Merck Patent GmbH
- Current Assignee: Merck Patent GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Connolly Bove Lodge & Hutz LLP
- Priority: DE10333232 20030721; DE10357318 20031205
- International Application: PCT/EP2004/008071 WO 20040720
- International Announcement: WO2005/011334 WO 20050203
- Main IPC: H01L51/54
- IPC: H01L51/54 ; C09K11/00
Abstract:
The present invention relates to the improvement of phosphorescent organic electroluminescent devices by using materials of the formula in the hole blocking layer.
Public/Granted literature
- US20060159951A1 Organic electroluminescent element Public/Granted day:2006-07-20
Information query
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