Light plate
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United States of America Patent
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Jul 16, 2013
Grant Date -
Dec 30, 2010
app pub date -
May 18, 2010
filing date -
Jun 26, 2009
priority date (Note) -
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Abstract
A light plate includes a light guide plate and four light source modules. The light source modules are disposed around the light guide plate. Each of the light source modules includes a first white light emitting element and a second white light emitting element. The first white light emitting element is capable of emitting a first white beam. The second white light emitting element disposed beside the first white light emitting element is capable of emitting a second white beam. The first white light emitting elements of the light source modules are mirror-symmetrical with respect to a first reference plane and a second reference plane. The second white light emitting elements of the light source modules are mirror-symmetrical with respect to the first reference plane and the second reference plane. The correlated color temperature (CCT) of the first white beam is greater than the CCT of the second white beam.
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