Illuminating device and liquid crystal display

Details Illuminating device and liquid crystal display Illuminating device and liquid crystal display

2006-06-13

2009-06-02

Owens, Douglas W. (Department: 2821)

Electric lamp and discharge devices: systems

Plural load device systems

C315S318000, C315S291000, C345S080000, C345S077000

Reexamination Certificate

active

07541752

ABSTRACT:
An illuminating device comprises a plurality of light-emitting element groups each including a plurality of series-connected light-emitting elements, a load which is connected in series with one of the light-emitting element groups, and forms a reference element group together with the one light-emitting element group, and a driving circuit which includes a monitor unit which monitors an electrical characteristic value of the reference element group, and supplies an electric current set on the basis of the electrical characteristic value obtained by the monitor unit to the reference element group and the other light-emitting element groups.

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patent: 1863423 (2006-11-01), None
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patent: 2002-231471 (2002-08-01), None
patent: 2003-332624 (2003-11-01), None

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