Method and system for dimming light sources

Method and system for dimming light sources

  • CN 1,829,398 A
  • Filed: 01/28/2006
  • Published: 09/06/2006
  • Est. Priority Date: 02/02/2005
  • Status: Active Application
First Claim
Patent Images

1. , have the method for brightness of the light source (LED) of load current value (I is specified) in dimming scope (0%-100%) adjusted, this method is included at least a portion (L%-H% of described dimming scope (0%-100%);

  • Following operation 0%-H%);

    -the electric current that provides its intensity (I) between connection value and cut off value, to switch to described light source (LED) with given duty ratio (DR), and-in described connection value and the cut off value at least one is adjusted to the sub-fraction of described rated value (I is specified).

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