SEMIPERMANENT SHOCK RESISTANT DIRECT CURRENT ELECTRIC BULB WITH SMALL POWER CONSUMPTION CORRESPONDING WITH CURRENT AND VOLTAGE VARIATION

摘要

PROBLEM TO BE SOLVED: To provide an electric bulb of which, such problems like cracking and wire disconnection of the bulb, quick death of battery or dry cell, gradual dimming of the bulb when used for a long time, and lack of light condensing facility of the bulb, are solved.;SOLUTION: For the bulb, a white color light emitting diode and a constant current diode are serially connected, and respective plus terminal and minus terminal are connected to a metal fitting part of the bulb from which, filament and glass part are removed, by conductive member fixing material, and afterwards, the inside of the metal fitting and two diodes are fixed by the fixing material.;COPYRIGHT: (C)2004,JPO