Optical sheets, sheet articles, polarizing plates, touch panel components, display devices, lens components, and sensor devices

Abstract

The optical sheet of the present invention comprises a first surface and a second surface facing each other in a first direction. The optical sheet of the present invention sequentially comprises a functional layer and a substrate from the first surface to the second surface. The functional layer comprises an adhesive component and hollow silicon dioxide particles. The second ratio is less than the first ratio. The first ratio is the ratio of the fluorescence X-ray intensity of Si element at the first position within the functional layer to the fluorescence X-ray intensity of C element. The second ratio is the ratio of the fluorescence X-ray intensity of Si element at the second position within the functional layer to the fluorescence X-ray intensity of C element. The first position is approximately 50 nm from the first surface to the second surface along the first direction. The second position is approximately 140 nm from the first surface to the second surface along the first direction.

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