To provide a display lamp capable of detachably installing a light source block integrated with a display frame on a body unit and consequently improving operability at the time of removing of a light guide plate block.
The display lamp 1 is structured of the body unit 2 which is a rectangular case with an open surface and has a pair of lamp sockets 4 along respective peripheral walls, the light guide plate block 6 arranged facing to the open surface of the body unit 2, four light source blocks 7 mounted on the lamp socket 4 and arranged around the light guide plate block 6, a panel 8 arranged at a front face side of the light guide plate block 6, and the display frame 9 mounted on the open surface of the body unit 2. A pair of fixing metal fittings 17 for fixing the light source blocks 7 along the respective sides are respectively arranged on a back surface of the display frame 9. The light source blocks 7 can be detachably mounted on the body unit 2 by integrating with the display frame 9 by mounting the light source blocks 7 on the fixing metal fittings 17 of the respective pairs and by fixing the light source blocks 7 to the display frame 9.
ITAGAKI HIROSHI
Mizuhiji Katsuhisa
Takeshi Sakaguchi
Hidetoshi Kitade
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