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Intellectual Property Law

: TinytechIP

US Patent 7649594 - Quantum dot photoluminescent LCD

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http://www.freepatentsonline.com/7649594.html

In order to improve the color balance and pixel-to-pixel luminance of backlight LCDs this patent from Samsung teaches incorporating quantum dots in the illumination layer. Claim 1 reads:

1. A photo-luminescent liquid crystal display (PC LCD) comprising:

a UV backlight unit generating ultraviolet (UV) light;

a light control unit which includes a liquid crystal (LC) layer modulating the UV light and electrodes driving the LC layer; and

a light emitting layer which emits light by the UV light transmitted through the light control unit, the light emitting layer includes inorganic phosphors and semiconductor quantum dots (QDs) having a quantum confinement effect.

Full post as published by TinytechIP on January 21, 2010 (boomark / email).

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