By combining a series of colored filters, researchers at Phillips have created the world’s most efficient warm light LED.
The TLED, tube-shaped, prototype lamp is the first to attain 200lm/W while still maintaining a high quality of light. To create the warm light, researchers combined one red LED with two blue, then applied a green filter that converted one of the blue LEDs to green. This process resulted in a warm light with more than twice the lumens per-watt of conventional LED bulbs.
Green Ray LED also announced their new LED at the same time as Phillips, with the claim that, at 173 lumens per watt, it is the most efficient LED light currently available. Its light, however, is a bit cool.
The TLED, tube-shaped, prototype lamp is the first to attain 200lm/W while still maintaining a high quality of light. To create the warm light, researchers combined one red LED with two blue, then applied a green filter that converted one of the blue LEDs to green. This process resulted in a warm light with more than twice the lumens per-watt of conventional LED bulbs.
Green Ray LED also announced their new LED at the same time as Phillips, with the claim that, at 173 lumens per watt, it is the most efficient LED light currently available. Its light, however, is a bit cool.
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