| 摘要 |
A screen that transmits light according to an image signal includes: a first surface and a second surface provided at an incident side of the light according to the image signal; a light exiting surface that outputs the light according to the image signal; and an angle conversion part that performs angle conversion on the light according to the image signal and outputs the light, wherein the second surface reflects the light incident from the first surface toward the light exiting surface, and wherein at least one of the first surface and the second surface has one of a light divergence function of diverging the incident light and a light convergence function of converging the incident light.
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