Lamp

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Lamp

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SAWADA SHIGEO / SHIMIZU HIROTO / NISHIHARA TOMOYA

Provided is a lamp configured to control an irradiation angle. The lamp includes a light emitting unit that is provided with an LED and a reflector having a reflecting surface that reflects light from the LED. The reflecting surface of the reflector is formed to have a parabolic shape in a cross-section perpendicular to an optical axis of the LED. The reflecting surface of the reflector is formed to have an elliptical shape in a cross-section parallel to the optical axis of the LED so as to condense and diffuse reflected light beams in a forward direction.

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Document information

Title :

Lamp

Contributors:

SAWADA SHIGEO (author) / SHIMIZU HIROTO (author) / NISHIHARA TOMOYA (author)

Publication date :

2016-03-08

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F21K Nicht-elektrische Lichtquellen unter Verwendung von Lumineszenz , NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES