Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaru Segawa0
Date of Patent
December 23, 2008
0Patent Application Number
115236300
Date Filed
September 20, 2006
0Patent Primary Examiner
Patent abstract
A surface light source device 1 includes a base member 3 provided with a plurality of point-source lines, each of which has a plurality of point sources 11 arranged in a line, and a plurality of diffuse transmission members 14 for covering the point-source lines. Each of the diffuse transmission members 14 is located while keeping substantially equal distances from the respective point sources 11 at least in a direction perpendicular to each of the point-source lines. Consequently, it is possible to allow light fluxes emitted from the point sources 11 to be transmitted in diffusion through the diffusion transmission members 14.
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