Organic electroluminescent device with plural microcavities

Details Organic electroluminescent device with plural microcavities Organic electroluminescent device with plural microcavities

1997-07-29

1999-09-07

O'Shea, Sandra

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313506, 313509, 313498, 313110, 313111, 313112, H01J 162

Patent

active

059491876

ABSTRACT:
An OED with a first microcavity including a first transparent spacer positioned adjacent the diode light output and a first mirror stack positioned on the first spacer to reflect light back into the OED and to define an optical length of the first microcavity. The optical length of the first microcavity being such that light emitted from the first microcavity has a first spectrum. A second microcavity including a second transparent spacer positioned adjacent the first microcavity and a second mirror stack positioned on the second spacer to reflect light toward the first microcavity and to define an optical length of the second microcavity. The optical length of the second microcavity being such that light emitted from the second microcavity has a second spectrum. Additional microcavities can be placed in the structure to further enhance and alter the light spectrum.

REFERENCES:
patent: 5405710 (1995-04-01), Dodabalapur et al.
patent: 5478658 (1995-12-01), Dodabalapur et al.

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