Display device and control method thereof

Details Display device and control method thereof Display device and control method thereof

2006-08-14

2008-11-04

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Plural series connected load devices

Christmas lights

C315S291000, C315S307000

Reexamination Certificate

active

07446481

ABSTRACT:
A display device and method for supplying stable electric power for a light source are provided. A display device comprises a plurality of light sources, a variable electrical power supply which supplies electric power for the light sources, a switching unit which is connected in series with the light sources, and a controller which controls the variable electrical power supply so that voltage across both ends of the switching unit is consistently held in relation to voltage across both ends of the light sources.

REFERENCES:
patent: 6690146 (2004-02-01), Burgyan et al.
patent: 7088059 (2006-08-01), McKinney et al.
patent: 7262559 (2007-08-01), Tripathi et al.
patent: 2004/0233144 (2004-11-01), Rader et al.
patent: 2002-008409 (2002-11-01), None
patent: 10-2004-0084004 (2004-10-01), None

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