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TECHNOLOGY / LED
Figure 14: The new Citizen 26W and 41W LED arrays
Figure 16: The new Yi LED from Everlight
Figure 15: The new 4 LED die OSTAR Lighting Plus from OSRAM
XLamp XM-L LEDs deliver 1000 lumens with 100 lumens per watt efficacy at 3A. In a compact 5mm x 5mm footprint, XM-L LEDs offer the unique combination of very high efficacy at very high drive currents, delivering light output and efficacy of 160 lumens per watt at 350mA and up to 315 lumens and 150 lumens per watt at 700mA.
Epistar: unveil its breakthrough High- Voltage (HV) LED chip that enable the 5000K cold white LED to reach 162lm/W. The record high luminous of 162lm/W is operated under 5000K of cold white and a Vf of 47Vdc at 20mA condition with a 45mil InGaN HV-LED.
Xicato: launches the Xicato Linear Module. Its dimensions and lumen packages open up downlighting, wallwash, uplighting and high AF spot applications. The XLM offers 2200lm at 55lm/W (to be followed by a 3000lm version early in 2011) and has the same specification as the established Xicato spot module range with its fully sealed, IP 66 housing (aluminium and glass) using its corrected cold phosphor technology to provide a perfectly uniform and natural light with a sustained, industry best, colour point stability and high colour rendering.
IST: launches the 120W 4 channel iDrive-
Figure 17: The wavelength distributions of the new high-CRI XPG LEDs
QUAD based upon its eco-DSP driver technology. The QUAD offers up to 48Vdc and 1A on each channel and can be controlled using DMX and RDM commands to provide live LED fixture status feedback such as forward voltage, current and temperature to an RDM complaint controller. The LED driver features a 16x2 back lit LCD display to enable installers a quick and easy method for rapid installation. A unique standby mode shuts down part of the LED driver when it is not being used to draw as little as 1W providing a unique energy conscious installation.
FINAL OBSERVATIONS - WHAT TO EXPECT IN 2011 Roger Sexton, Xicato suggests the following: • Xicato anticipates more entrants in the ‘module’ segment of the market, and also greater emphasis placed on lumen and colour maintenance following awareness of LM-80 testing protocols. Hampering independent measurement of LED sources, unfortunately, is the lack of qualified test laboratories.
• On the performance front, higher efficacies and outputs will ensure first genuine usage in professional applications like offices. Increased awareness of the availability of warm, high colour quality light will ensure the further penetration of LEDs into demanding applications such as museums, boutique retail, high-end residential.
Dr. Markus Klein, Senior Director SSL at OSRAM Opto Semiconductors: • With light becoming digital at almost the speed of light, the spotlight in the LED world is moving fast. LED applications increasingly interact with their environment through sensors, networks and protocols as part of the electronic system. This ongoing development has led to the fact that LEDs have became part of our digital world and lifestyle. • In the early years, when LED developed from pure indicator functions to SSL applications, energy efficiency and durability were the major drivers behind the LED development. And indeed LEDs have been and are still
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