Group of phosphor particles for light-emitting device, light-emitting device and backlight for liquid crystal display
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United States of America Patent
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Oct 5, 2010
Grant Date -
Jan 15, 2009
app pub date -
Jul 11, 2008
filing date -
Jul 13, 2007
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Abstract
A group of phosphor particles for a light-emitting device contains a plurality of types of phosphor particles having different emission peak wavelengths, while phosphor particles of a type having a relatively longer emission peak wavelength have a relatively larger median diameter as compared with phosphor particles of a type having a relatively shorter emission peak wavelength.
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