For example, if a light uses 10 LEDs that have a maximum output rating of 100 lumens, the raw lumen output would be 1,000 lumens. No photometric testing is necessary to come up with this number ...

The lumens-per-watt (lpw) rating for an incandescent bulb is a lowly 15 (or so) while newer LED bulbs are in the range of 75. While 75 lpw is plenty efficient, it's no where near what ...

TOKYO — Nichia Corp. has developed a white LED chip with 100-lumens/watt efficiency, with volume production expected this year. The move comes amid an intensifying race to boost the efficiency of ...

The prototype operates at 200 lumens-per-watt, a number that is more than double what is found in typical household LED products. The "warm white" part might seem like a minor detail, but it's ...

TOLEDO, Ohio, Dec. 12, 2018 /PRNewswire-PRWeb/ -- OptimalLED Inc. is excited to be the first lighting company to market and distribute a highly efficient, 200 lumens per watt, LED linear high bay ...