LIGHTING DEVICE

A lighting device may be provided that includes: a heat sink (300) having an optical transmittance; a light source module (200) including a substrate (210) disposed on the heat sink (300) and a light emitting device (230) disposed on the substrate (210); and a cover (100, 100') which is dispose...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JOO, KEUN TAK, LEE, SANG HOON, LIM, DONG NYUNG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHT SOURCES NOT OTHERWISE PROVIDED FOR LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS LIGHTING MECHANICAL ENGINEERING NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	A lighting device may be provided that includes: a heat sink (300) having an optical transmittance; a light source module (200) including a substrate (210) disposed on the heat sink (300) and a light emitting device (230) disposed on the substrate (210); and a cover (100, 100') which is disposed on the light source module (200) and outwardly emits a part of light from the light source module (200), wherein the cover (100, 100') has an inner surface which reflects a part of light from the light emitting device (230), and wherein the heat sink (300) receives the light from the inner surface of the cover (100, 100') and outwardly emits a part of the received light, Characterized in that the cover (100') includes a first cover part (110) disposed on the substrate (210), and a second cover part (130) connected to an outer circumference of the first cover part (110), and wherein an optical reflectance of the first cover part (110) is greater than an optical reflectance of the second cover part (130).