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Sub-electrode microlens array for organic light emitting devices

Patent ·
OSTI ID:1893044
Substrates are disclosed that include an embedded or partially-embedded microlens array. Devices are disclosed that include an OLED disposed over a substrate having an embedded or partially embedded micro lens array. Devices as disclosed herein redirect up to 100% of the light that otherwise would be confined in organic and electrode layers toward the substrate and thus provide improved light extraction and device efficiency.
Research Organization:
Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
EE0007626
Assignee:
The Regents of the University of Michigan (Ann Arbor, MI)
Patent Number(s):
11,362,311
Application Number:
16/193,105
OSTI ID:
1893044
Country of Publication:
United States
Language:
English

References (2)

Highly efficient phosphorescent emission from organic electroluminescent devices journal September 1998
Very high-efficiency green organic light-emitting devices based on electrophosphorescence journal July 1999

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