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US 9,853,247 B2Granted
Electrophosphorescent organic light emitting concentrator
AssigneeThe Regents of the University of Michigan
InventorsJaesang Lee, Michael Slootsky, Stephen R. Forrest
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Abstract
Embodiments of the disclosed subject matter provide a device with a base having an opening, and a plurality of organic light emitting devices (OLEDs) disposed on a plurality of substrates and arranged in a light directing structure onto the base, where the opening of the base is a light exit aperture of light output by the plurality of OLEDs.
Claims20
A device comprising:
- a base having an opening;
- and
- a plurality of organic light emitting devices (OLEDs) disposed on a plurality of substrates and arranged in a light directing structure onto the base,
- wherein the opening of the base is a light exit aperture of light output by the plurality of OLEDs, and
- wherein at least one of the group consisting of microlens arrays and a grating is embedded into each of the plurality of substrates, so that the light output from the light exit aperture has a directed illumination profile.
2 more elements
Dependencies are inferred from the claim text.