LIGHT GUIDE PLATE DEVICE AND DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a light guide plate for achieving surface light emission capable of giving uniform luminance over a wide range and for easily performing highly precise machining in production.

SOLUTION: This light guide plate device, in which light giving a surface light source distribution can be taken out from a light emission face, is provided with a first light guide plate 11 having a plurality of recess parts 17 formed on a light reflection face and a second light guide plate 12 having a plurality of recess parts 16 formed on the light reflection face with density higher than that of the recess parts on the first light guide plate. When the first and second light guide plates are overlapped with each other, light giving the surface light source distribution is emitted from the light emission face.

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