Planar Illumination Device

Details Planar Illumination Device Planar Illumination Device

2006-01-13

2009-08-18

Tso, Laura (Department: 2875)

Illumination

Edge lighted panel

Light source

C362S612000, C362S621000

Reexamination Certificate

active

07575358

ABSTRACT:
Thinning of a planar illumination device using an LED is accelerated while higher and more uniform brightness is promoted.An LED24constituting the planar illumination device has no lamp house, but a translucent resin that seals an LED chip25is exposed. An outline of the translucent resin is formed as a projecting portion28comprising a continuous curved surface. Moreover, on a side end face12aopposed to the LED24of a light guide plate12, a notch portion12dfollowing the outline of the projecting portion28is formed, and on this notch portion12d, a prism row101made of a plurality of unit prisms extending in a direction crossing the light guide plate12is formed.

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