LED BULB

PROBLEM TO BE SOLVED: To provide an LED bulb securing more uniform illumination light even when a light source body of an LED (Light-Emitting Diode) with strong directivity is used. SOLUTION: In a transparent or translucent spherical sell 2, a plurality of LED light source bodies 5 are arranged on a...

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Bibliographische Detailangaben
1. Verfasser:	OUCHI MASATOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY 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 SEMICONDUCTOR 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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an LED bulb securing more uniform illumination light even when a light source body of an LED (Light-Emitting Diode) with strong directivity is used. SOLUTION: In a transparent or translucent spherical sell 2, a plurality of LED light source bodies 5 are arranged on a substrate 4 for wiring provided in a cap 3, a plurality of cylindrical optical transmission members 7 are arranged so as to extend in parallel using the substrate side as one end, the LED light source bodies are assigned and made to belong so as to face each one end of the member, part of light from each LED light source body goes straight inside the optical transmission member to which it belongs to reach the upper end of the spherical shell from the other end of the member, other light is irregularly reflected on a recess 7a provided at an inner peripheral part of each optical transmission member to reach the side of the spherical shell 2 from a surrounding surface of the optical transmission member and thus, the uniform illumination light is emitted from the whole spherical shell. COPYRIGHT: (C)2010,JPO&INPIT