If power dissipation is a problem, or if the application needs more current, you can parallel two or more drivers ... withstand at least the voltage the LED load creates. Thus, linear drivers ...

The batteriesthen drive four white LEDs that connectin parallel. These LEDs can workat voltages as low ... and it can drive several serialLEDs. Figure 1 This circuit lets you use the leftover energy ...

[Henryk] just sent us his latest episode of simple LED circuit puzzles. In front of the camera he solders one pin of each of the 3 LEDs to a different switch. He then puts the three assemblies in ...

Light-emitting diodes are often used with a voltage source from a power-supply output voltage. The output voltage increases until the current through the LEDs reaches the value of the constant ...

So where it was once advantageous to opt for serial connected LED arrays for display backlighting, today the concept of using parallel circuit configurations is a viable alternative.