Lamp having outwardly orientated light source units and inwardly orientated heat sinks with transversely orientated fins

• Main Authors: Imanari Takayoshi, Sekine Moriyuki, Ohno Atsushi
• Format: Patent
• Language: English
• Published: 30.01.2018
• Subjects: 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; 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; 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

An LED lamp is equipped with a plurality of light source units each having a mounting board on which a light emitting element is mounted, on a front surface of a substrate, the plurality of light source units are disposed around an axis C of the LED lamp with back surfaces of the respective substrates facing inside, and gaps G1 left from one another, and heat radiation fins that are disposed to be inclined with respect to an axial direction of the axis C are provided on the back surface of the substrate.