An LED illuminating device includes a printed circuit board, at least one LED chip group arranged on the printed circuit board, and a lens assembly, wherein the LED illuminating device further includes a reflector provided between the LED chip group and the lens assembly, wherein the reflector is configured to diffusely reflect light from the LED chip group so that the light is uniformized and emerges in a direction of the lens assembly.
LED ILLUMINATING DEVICE
LED-BELEUCHTUNGSVORRICHTUNG
DISPOSITIF D'ÉCLAIRAGE À DEL
2017-11-08
Patent
Elektronische Ressource
Englisch
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / F21K Nicht-elektrische Lichtquellen unter Verwendung von Lumineszenz , NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21Y Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend die Form oder die Art der Lichtquellen oder die Farbe des emittierten Lichts , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED |
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