A line type illuminator

Details A line type illuminator A line type illuminator

H - Electricity

04

N

H04N 1/04 (2006.01) H04N 1/028 (2006.01)

Patent

CA 2305908

A line type illuminator comprising a plurality of light sources at a side of one end of a rod-like transparent light guide, wherein an auxiliary light scattering pattern is formed with two (2) spot-like patterns. which are provided at positions being shifted from a center line of a main light scattering pattern in the longitudinal direction and are separate in a width direction, for maintaining evenness or uniformity of illumination intensity in a longitudinal direction. Normal lines of those two (2) spot-like patterns and the center line of any one of the plurality of light sources, extending in the longitudinal direction, intersect each other. Specifically, the longitudinal center lines of the red-color light sources and the green-color light source intersect the respective normal lines of the spot-like patterns 21a and 21a.

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