Importance

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Abstract

A display device includes: a light guide plate (2) configured to display at least one pattern, the light guide plate including at least one incident surface; a plurality of light sources (3-1 to 3-3) configured to emit light beams having different colors, the plurality of light sources being disposed to be opposed to any one of the at least one incident surface; and a controller (6) configured to control turn-on and turn-off of each light source according to turn-on control information designating one light source to be turned on. A plurality of prisms (11) that are arrayed along a pattern (21) on one surface of the light guide plate (2) and reflect the light beam emitted from each light source and incident on the light guide plate from the incident surface such that the light beams exit from the other surface of the light guide plate are formed, and arrangement density of the prisms that reflect the light beam from the light source among the plurality of prisms (11) is set for each of the plurality of light sources (3-1 to 3-3) according to color of the pattern (21) when each light source is turned on.

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First Claim