Sharp developed a white LED with a luminous flux of up to 280 lm at an input power of 3.6 W. Mass production began in July 2007. For lighting equipment, etc. In terms of external dimensions, the mounting area is 18mm x 18mm and the thickness is only 1.5mm. Also, it can be mounted on a heat sink or the like in only two places. The color temperature is 5000K. In addition, Sharp will also introduce incandescent color-tone LEDs with a color temperature of 2800K and a luminous flux of 190 lm, as well as white LEDs with improved color rendering and color temperatures of 5000K and 6500K (the luminous flux is standard 170lm).
In order to obtain a luminous flux of up to 280 lm, 36 LED chips are mounted in the package. In terms of luminous efficiency, a product with a luminous flux of 280 lm will reach about 78 lm/W (when the input power is 3.6 W and the case temperature is 25 ° C). The forward and forward currents at 3.6 W are standard 10.2 V and standard 360 mA, respectively. The sample price is 3,000 yen. The monthly production capacity during mass production is 50,000.
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