DIFFUSION BODY AND ILLUMINATION DEVICE
First light (L1) is incident on a diffuser (10), and scattered light emerges from the diffuser (10). The diffuser (10) includes one light incident surface (10a) on which the first light (L1) is incident in a first direction and a first light transmitting surface (10b). The light incident surface (10...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | First light (L1) is incident on a diffuser (10), and scattered light emerges from the diffuser (10). The diffuser (10) includes one light incident surface (10a) on which the first light (L1) is incident in a first direction and a first light transmitting surface (10b). The light incident surface (10a) is formed on an end surface of the diffuser (10). First transmitted light (L21) emerges from the first light transmitting surface (10b). Second transmitted light (L22) emerges from second light transmitting surface (10c) that is a surface other than the first light transmitting surface (10b) of the diffuser (10). Intensity of the first transmitted light (L21) increases as a direction in which the first transmitted light (L21) emerges approaches the first direction. Correlated color temperature of the first light (L1) is lower than correlated color temperature of the first transmitted light (L21) and higher than correlated color temperature of the second transmitted light (L22). |
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