F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F21
LIGHTING
F21
LIGHTING
F21V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V23/00
Arrangement of electric circuit elements in or on lighting devices
F21V23/00
Arrangement of electric circuit elements in or on lighting devices
F21V23/003
the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
F21V23/003
the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
F21V23/007
enclosed in a casing
F21V23/007
enclosed in a casing