Invention Grant
- Patent Title: Organic electrophosphorescence device having interfacial layers
- Patent Title (中): 具有界面层的有机电致发光器件
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Application No.: US11238888Application Date: 2005-09-28
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Publication No.: US07772761B2Publication Date: 2010-08-10
- Inventor: Stelios A. Choulis , Mathew Mathai , Vi-En Choong , Franky So
- Applicant: Stelios A. Choulis , Mathew Mathai , Vi-En Choong , Franky So
- Applicant Address: DE Regensburg
- Assignee: Osram Opto Semiconductors GmbH
- Current Assignee: Osram Opto Semiconductors GmbH
- Current Assignee Address: DE Regensburg
- Agency: Fish & Richardson P.C.
- Main IPC: H05B33/00
- IPC: H05B33/00
Abstract:
Techniques are described for forming an organic light emitting diode device with improved device efficiency. Materials having at least one energy level that is similar to those of a phosphorescent light emitting material in the diode are incorporated into the device to directly inject holes or electrons to the light emitting material.
Public/Granted literature
- US20070069636A1 Organic electrophosphorescence device Public/Granted day:2007-03-29
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