Wednesday, July 02, 2008

US Patent 7393618 - Quantum dot color conversion

This patent from Idemitsu Kosan teaches the use of quantum dot material to enhance color conversion for electroluminescent devices. Claim 1 reads:

1. A color conversion member composition comprising
(A) a color filter material,
(B) a photoluminescent inorganic nanocrystal,
(C) a medium, and
(D) a solvent,
the color filter material (A) and the photoluminescent inorganic nanocrystal (B) differing in affinity to the medium (C) and/or the solvent (D).

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