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 -
Jun 19, 2008
app pub date -
Dec 4, 2007
filing date -
Dec 11, 2006
priority date (Note) -
Abandoned
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Abstract
There is provided a surface light source device comprising: a light source body including a plurality of discharge spaces therein, a first electrode and a second electrode applying a first voltage into the discharge spaces and arranged parallel to each other, and a third electrode applying a second voltage into the discharge spaces and facing the first and second electrodes and arranged in a direction of crossing the first and second electrodes. In accordance with the present invention, the discharge firing voltage and sustain voltage of the surface light source device can be lowered by applying the first and second voltage to the electrodes. Further, it is possible to divisionally drive the surface light source device by sequentially and/or selectively applying a voltage to divided parts of each electrode.
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