CPC G02F 1/133606 (2013.01) [G02B 6/0055 (2013.01); G02B 6/0088 (2013.01); G02F 1/133601 (2021.01); G02F 1/133603 (2013.01); G02F 1/133614 (2021.01); G02F 1/133615 (2013.01)] | 20 Claims |
1. An illumination device comprising:
a plurality of light sources;
a wavelength conversion sheet configured to perform wavelength conversion on light from the plurality of light sources; and
a first light reduction portion disposed in a frame shape as a whole overlapping an outer peripheral portion of the wavelength conversion sheet and not overlapping the plurality of light sources in a plan view between the plurality of light sources and the wavelength conversion sheet, the first light reduction portion being a light reflective portion configured to reduce a light amount by reflecting incident light,
wherein the first light reduction portion has a planar shape in which a pattern forming the frame shape is provided in a plurality of rows in a concentric annular shape, and
an area of the pattern increases from an inner side to an outer side in the concentric annular shape.
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