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F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V3/00—Globes; Bowls; Cover glasses
F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
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FR591395D1925-01-051925-01-05Procédé pour produire des effets décoratifs lumineux et produits nouveaux en résultant
ExpiredFR591395A
(fr)