| 摘要 |
A display device of the present invention includes a light source 111, a light guide 113 having a light-receiving surface 113a for receiving light from the light source 111 and a light-exiting surface 113c for emitting the light, which has entered the light guide 113 through the light-receiving surface 113a, a reflection type display element 120 provided on one side of the light guide 113 that is closer to the light-exiting surface 113c, and a refractive-index-adjusted layer 131 provided between the light guide 113 and the reflection type display element 120 and having a different refractive index from that of the light guide 113. The light guide 113 and the reflection type display element 120 are attached to each other via the refractive-index-adjusted layer 131, and at least one of the interface between the light guide 113 and the refractive-index-adjusted layer 131 and the interface between the refractive-index-adjusted layer 131 and the reflection type display element 120 is subjected to an anti-interface-reflection treatment for suppressing the reflection of light at the interface.
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