LIGHT-EMITTING ELEMENT, AND LIGHTING DEVICE EQUIPPED WITH THE SAME

PROBLEM TO BE SOLVED: To provide a lighting device capable of irradiating light at a given angle without use of an angle adjustment mechanism and attaining its downsizing.SOLUTION: The lighting device is integrally provided with a plurality of prism parts A to F having prism faces A1 to F1 for total...

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Bibliographic Details
Main Authors BABA JUNKO, ASAKAWA HISASHI
Format Patent
LanguageEnglish
Published 19.09.2013
Subjects
BLASTING
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
SYSTEMS THEREOF
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a lighting device capable of irradiating light at a given angle without use of an angle adjustment mechanism and attaining its downsizing.SOLUTION: The lighting device is integrally provided with a plurality of prism parts A to F having prism faces A1 to F1 for totally reflecting and refracting collimated light 'a' incident, and light-emitting faces A2 to F2 for emitting refraction light a2 refracted as emission light a1. The prism parts A to F are so arranged to have the prism faces A1 to F1 headed in the same direction, and that, peak points P of the prism parts B to F adjacent to each other on an emission face A2 to F2 side are formed to be at positions where the emission light a1 is not in contact.
Bibliography:Application Number: JP20120048522