Abstract: In study, we investigated the influence of lighting light emitting diodes (LED) chip parameters, including the doping concentration, ABC parameters, and bias current, on the kernels of the ...
Abstract: This brief presents a new LED control scheme to maintain a constant LED power. In LED control schemes, the conventional approach is to maintain a constant LED current. However, this ...
For a while, LED light bulbs went through what I can only describe as an ugly-duckling phase. When incandescent bulbs were phased out, the early energy-efficient replacements – first compact ...
It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...
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