| 摘要 |
<P>PROBLEM TO BE SOLVED: To have a light emitting element effectively emit light while making distribution of emission luminance to be sufficiently uniform. <P>SOLUTION: The light emitting device with a planar light source on which a plurality of LED lamps 51a are installed on a plane has the LED lamps 51a arranged so that density of installation is made from rough to dense arrangement as going away from a central part of the planar light source. <P>COPYRIGHT: (C)2007,JPO&INPIT |
