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 -
Nov 29, 2007
app pub date -
May 29, 2007
filing date -
May 29, 2006
priority date (Note) -
Abandoned
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Abstract
There is provided a surface light source comprising a plurality of discharge channels, in which each end of the outermost discharge channel is expanded towards a sealing part. At least one of the plurality of discharge channels may include a curved surface part and a flat surface part on a top surface thereof. Both ends of the discharge channel may be formed to be higher than a middle portion thereof, and the discharge channels may be formed to be different in height. Accordingly, the discharge characteristic is improved and bad luminance uniformity is solved by variously changing the shape of the discharge channel forming the discharge space in a surface light source. Furthermore, the present invention solves the problems, such as failure in lighting at low temperature, channeling between adjacent channels, and maintains the quality of molded products.
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