Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tsutomu Ota0
Date of Patent
August 19, 2008
0Patent Application Number
112462020
Date Filed
October 11, 2005
0Patent Primary Examiner
Patent abstract
A lighting apparatus including a light guiding plate, and a light source including a plurality of light-emitting elements which emit light at a plurality of brightness levels. The light emitting elements is provided opposite to a side edge of the light guiding plate and arranged along the side edge of the light guiding plate. The light-emitting elements are divided into a plurality of sets according to the brightness levels, and light-emitting elements in each of the sets are connected in series.
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