LED anti -dazzle blackboard lamp

The utility model provides a LED anti -dazzle blackboard lamp, relates to a blackboard lamp. The utility model discloses a solve that present LED classroom lamp direction of light controllability is strong, the illumination intensity degree of consistency is poor, can not all shine blackboard, some...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Song Yu, Nie Binkui, Fu Yanli
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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