characterised by the arrangement of the photoluminescent material

Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters > Elements containing photoluminescent material distinct from or spaced from the light source > characterised by the arrangement of the photoluminescent material

Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters (coloured shades F21V1/00; elements characterised by cooling arrangements F21V29/502) > Elements containing photoluminescent material distinct from or spaced from the light source (shades F21V1/17; globes, bowls or cover glasses F21V3/08, F21V3/12; refractors F21V5/10; reflectors F21V7/26, F21V7/30; elements with provision for controlling the spectral properties or intensity F21V9/40) > characterised by the arrangement of the photoluminescent material