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Title: Materials and architectures for efficient harvesting of singlet and triplet excitons for white light emitting OLEDs

Patent ·
OSTI ID:1169098

The present invention relates to organic light emitting devices (OLEDs), and more specifically to OLEDS that emit light using a combination of fluorescent emitters and phosphorescent emitters for the efficient utilization of all of the electrically generated excitons.

Research Organization:
The University of Southern California, Los Angeles, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-04NT42272
Assignee:
The University of Southern California (Los Angeles, CA)
Patent Number(s):
8,945,722
Application Number:
11/588,619
OSTI ID:
1169098
Country of Publication:
United States
Language:
English

References (45)

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Method for patterning devices patent September 2001
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Electroluminescent device with improved hole transport layer patent March 2002
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Transparent contacts for organic devices patent April 2003
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Fabrication of non-polymeric flexible organic light emitting devices patent August 2003
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Phosphorescent compounds and devices comprising the same patent December 2004
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White light emitting OLEDs from combined monomer and aggregate emission patent March 2005
Transparent electrodes patent July 2006
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White light emitting organic electroluminescent device and organic electroluminescent display having the same patent-application July 2005
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Management of singlet and triplet excitons for efficient white organic light-emitting devices journal April 2006
Triplet exciton confinement and unconfinement by adjacent hole-transport layers journal June 2004

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