| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lamp restraining reduction of a quantity of light caused by existence of a circuit unit as much as possible, in the bulb type lamp wherein the circuit unit is arranged in a globe. <P>SOLUTION: In the lamp 10 wherein LEDs 46, 52, ..., as semiconductor light-emitting elements and the circuit unit 82 for making the LEDs 46, 52, ..., emit light by converting power received through a base 20 are stored in an envelope 100 including the globe 96 and the base 20, the LEDs 46, 52, ..., are arranged in a posture wherein an emitting direction of light of the LEDs is faced to a direction opposite to the base 20, a light guide member 56 having an incident part for making light of LEDs 46, 52, ..., incident is arranged in the globe 96 in a state in which the incident part is made opposed to an emitting part of light of the LEDs 46, 52, ..., and the circuit unit 82 is arranged on an outer peripheral part of the light guide member 56. <P>COPYRIGHT: (C)2012,JPO&INPIT |
