Coated nano particle and electronic device using the same

Details Coated nano particle and electronic device using the same Coated nano particle and electronic device using the same

2006-05-16

2010-11-30

Le, H. (Holly) T (Department: 1787)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C257S103000, C257S614000, C257S616000, C257S632000, C257S635000, C257S646000, C257S788000, C257S789000, C257S790000, C428S212000, C428S328000, C428S407000, C428S689000, C428S690000, C428S697000, C428S699000

Reexamination Certificate

active

07842385

ABSTRACT:
A coated nano particle and an electronic device using the composite nano particle as an illuminator are provided. The composite nano particle includes a nano particle receiving light and emitting light; and a coating material formed on a surface of the nano particle and having an index of refraction different from that of the nano particle. The coated nano particle is made by coating a surface of the nano particle with a material having an index of refraction, which has an intermediate value between an index of refraction of a matrix and an index of refraction of the nano particle as an illuminator, with a predetermined thickness. The light emitted from the nano particle is efficiently transferred to the outside as the light reflected from the matrix and absorbed by the nano particle is suppressed. Therefore, a luminous efficiency of the illuminator is improved, and an electronic device using the illuminator is provided.

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