Full color tunable resonant cavity organic light emitting diode

Details Full color tunable resonant cavity organic light emitting diode Full color tunable resonant cavity organic light emitting diode

1998-06-12

2000-07-18

Patel, Nimeshkumar D.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313506, 313508, 313498, 257 98, 257 99, H01J 162

Patent

active

060911972

ABSTRACT:
A full-color, tunable organic light emitting diode (RCOLED) includes a high-reflection tunable membrane and a high-reflection dielectric mirror that form a resonant cavity. A white light OLED is located in the resonant cavity. The high-reflection tunable membrane is moved to alter the resonant cavity length, and/or tilted/bowed to change the finesse of the resonant cavity. In this way, color, brightness and color saturation of the emitted light from the RCOLED can be tuned. The RCOLED may also include a microlens structure to improve off-axis viewing.

REFERENCES:
patent: 5401983 (1995-03-01), Jokerst et al.
patent: 5793485 (1998-08-01), Gourley
patent: 5969475 (1999-10-01), Friend et al.

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