LED from Osram for optimal visibility in dense fog
According to Osram, dense fog and poor visibility repeatedly lead to serious rear-end collisions, which is why in poor weather conditions, good visibility through a bright rear fog light is so important. The company’s Synios P2720 CR (Converted Red) touts a compact size that gives manufacturers greater flexibility in lamp design options. According to the company, the trend for both headlamps and rear combination lamps is the more compact and efficient the components used, the better. While the installation space required decreases, the design options available to manufacturers greatly increases. The new LED aims to address this trend of miniaturization without sacrificing performance.
One of the main issues with monochromatic LEDs for rear fog applications is the enormous loss of brightness (often called degradation) of about 50% in operating temperatures of 60° - 70° C (140° -158° F). Until now, rear lamp manufacturers had to compensate for this physically induced gap by increasing the number of LEDs, which also increased the space requirements. The conversion-based Synios P2720 CR can reduce this loss of brightness to around 10%, says the company. Customers enjoy better performance, while manufacturers benefit from the need to use considerably fewer individual LEDs. According to the company, fewer LEDs means the required heat sink can be very compact, saving additional space and weight. Rear lamp manufacturers can choose between two different chip sizes: 0.5 mm² or 1 mm² (0.000775002 in2 or 0.00155 in2), depending on the design of the application. The space-saving package dimensions of just 2.0 mm x 2.7 mm x 0.6 mm (.078 in x .10 in x .02 in) remain the same.
For more information, visit www.osram.com.