Direct-mounting electric lamp unit

Details Direct-mounting electric lamp unit Direct-mounting electric lamp unit

1998-06-19

2000-04-11

O'Shea, Sandra

Illumination

Light source and modifier

Including reflector

362255, 362293, 362439, 362800, F21V 700

Patent

active

060480823

ABSTRACT:
A direct mounting lamp unit comprises a holder (4) each side of which is provided with a pair of terminal portions (5) having a shape such that a lead wire (2a) of a micro electric lamp (2) wound around the terminal portion (5) is substantially flush with a bearing surface (4a) of the holder (4). The lamp unit also comprises a color cap (3) that is provided with an engaging portion (3a) for engaging a lamp-receiving recess (4b) of the holder so that the micro electric lamp is kept vertically with respect to the bearing surface (4a) of the holder (4). The direct-mounting electric lamp unit having the above structure can be mounted on a circuit board (10) automatically by using a solder reflow bath in the same way as other electronic components, thereby improving productivity, though in the prior art, a direct-mounting electric lamp unit had to be mounted on a circuit board (10) by handwork.

REFERENCES:
patent: 4398240 (1983-08-01), Savage, Jr.
patent: 4471414 (1984-09-01), Savage, Jr.
patent: 4727648 (1988-03-01), Savage, Jr.
patent: 5593223 (1997-01-01), Kolzumi
patent: 5848839 (1998-12-01), Saage, Jr.

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