LED bulbs suffer less wear-out through power cycling ... although the yellow shift dominates in high-power white LEDs. This gradual yellowing of the light output results from phosphor cracking ...

Getting these high-power LEDs are no longer a problem ... A truly awesome amount of lighting power here, that also makes it impossible to get a good picture of the board in operation.

Here are a few reasons why: An incandescent bulb needs about 60 watts of power to generate 800 lumens of light, while an LED bulb only requires about 10 watts. Traditional incandescent bulbs ...

More than one-fifth of US electricity is used to power artificial ... in energy-efficient lighting. White-light sources based on reliable and energy-efficient LEDs have only recently been made ...

Here are a few reasons why: An incandescent bulb needs about 60 watts of power to generate 800 lumens of light, while an LED bulb only requires about 10 watts. Traditional incandescent bulbs ...