Invention Grant
US09012829B2 Spectrum sensor and angle restriction filter 有权
光谱传感器和角度限制滤光片

Spectrum sensor and angle restriction filter
Abstract:
An angle restriction filter that allows light incident thereon in a predetermined range of incident angles to pass, includes: an optical path wall section formed from a plurality of light shield members laminated in layers including a common material, thereby forming an optical path in a lamination direction of the light shield members; and a light transmission section formed in a region surrounded by the optical path wall section.
Public/Granted literature
Information query
Patent Agency Ranking
0/0