SURFACE LIGHT SOURCE DEVICE AND BACKLIGHT UNIT HAVING THE SAME
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United States of America Patent
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Issued Date -
Sep 20, 2007
app pub date -
Mar 14, 2007
filing date -
Mar 16, 2006
priority date (Note) -
Abandoned
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Abstract
There is provided a surface light source device, including: a light source body having a first substrate and a second substrate between which a plurality of discharge spaces are formed, a discharge gas being provided into the discharge spaces; a reflecting layer formed on an inner surface of the first substrate; a first adsorption preventing layer formed on the reflecting layer, for preventing the discharge gas from being adsorbed to the reflecting layer; a first fluorescent layer formed on the first adsorption preventing layer; a second fluorescent layer formed on an inner surface of the second substrate; and an electrode applying a discharge voltage to the discharge gas. Accordingly, since the discharge gas is uniformly distributed in the discharge spaces, the surface light source device has improved brightness uniformity.
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