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US 5,969,475 AGranted
Tuneable microcavities
AssigneeCambridge Display Technology Limited
InventorsRichard Henry Friend, Helmut Becker
Life of this patent
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Abstract
A light-emitting cavity device comprising: a pair of mirrors spaced apart to define a resonant cavity; a luminescent layer located in the cavity; and a control layer located in the cavity and controllable to adjust the resonance wavelength of the cavity and thereby spectrally redistribute the energy emitted by the luminescent layer.
Claims23
A light-emitting cavity device comprising:
- a pair of mirrors spaced apart to define a resonant cavity;
- a luminescent layer located in the cavity;
- and
- a control layer located in the cavity and controllable to adjust the resonance wavelength of the cavity and thereby spectrally redistribute the energy emitted by the luminescent layer.
1 more element
Dependencies are inferred from the claim text.