Discharge lamp lighting apparatus

Details Discharge lamp lighting apparatus Discharge lamp lighting apparatus

2006-04-11

2009-12-01

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

C315S057000, C315S070000, C315S118000, C315S276000, C362S310000, C362S265000, C336S096000

Reexamination Certificate

active

07626338

ABSTRACT:
A discharge lamp lighting apparatus includes a transformer unit, a casing for housing the transformer unit, and a circuit board including circuit components. In the casing, the circuit board is joined to the casing and the transformer unit is fixed to the circuit board through a heat conductive member having thermal conductivity of more than 0.1 W/(m·k). Heat produced by the transformer unit is transferred to the casing through the heat conductive member and released through the casing effectively. In the lighting apparatus, therefore, while the transformer unit is arranged relatively close to the circuit components, the heat can be prevented from affecting the circuit components.

REFERENCES:
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patent: 5755505 (1998-05-01), Hiramatsu
patent: 6040659 (2000-03-01), Masuda et al.
patent: 6066921 (2000-05-01), Nakamura et al.
patent: 7218055 (2007-05-01), Kato
patent: 7514881 (2009-04-01), Kato
patent: 6-5424 (1994-01-01), None
patent: 9-246619 (1997-09-01), None
patent: 2003-318042 (2003-11-01), None

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