Light emitting diode with nanoparticles

Details Light emitting diode with nanoparticles Light emitting diode with nanoparticles

2005-01-04

2005-01-04

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S506000, C257S103000, C362S800000

Reexamination Certificate

active

06838816

ABSTRACT:
The present invention discloses a simple, low cost method to fabricate light emitting source using luminescent colloid nanoparticles. It uses monodispersed colloid light emitting nanoparticles of oxides, semiconductors, and polymers to fabricate high quality, narrow bandwidth light emitting source. The colloid particles can be dispersed homogeneously in liquid that can be coated easily on a substrate using a simple coating method such as spray, dip coating or spin coating. There is no restriction on the size or shape of the substrate. Therefore, a low cost, large area, high efficiency and reproducible light emitting source can be made easily.

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patent: 5966393 (1999-10-01), Hide et al.
patent: 6214560 (2001-04-01), Yguerabide et al.
patent: 6548836 (2003-04-01), Rubner et al.
patent: 6558575 (2003-05-01), Andriessen et al.
patent: 6580545 (2003-06-01), Morrison et al.

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