LISA2 LENSES PROVIDE THE FOCUS IN MARULALED'S COOLTUBE™ TECHNOLOGYControl is what it’s all about with MarulaLED’s patent-pending* CoolTube™ technology. This innovative line of light engines, designed for integration into OEM partners’ luminaires, offers users the ability to control color temperature and beam angle by adjusting the current supplied to specific LEDs. Control of heat, however, is what makes the design truly “cool”. CoolTube™ technology allows the end user to safely position the luminaire to the most useable position, while eliminating bulky heat sinks and metal-clad PCBs. This makes the product ideal for use in restaurants, hotels, workstations, recreational vehicles; in fact, wherever safe contact with the luminaire can be imagined. Beam control in MarulaLED’s Low Bay Module is optimized by balancing current flow to LEDs mated with LEDiL’s LISA2-M (medium) and LISA2-WW (very wide) secondary optics. MarulaLED’s LE32 module, on the other hand, promotes control of color temperature by the adjustment of power to half of the LEDs. The sixteen inner LEDs used in the LE32 module are a warmer color temperature than the remaining LEDs. This module uses 32 of LEDiL’s LISA2-M medium beam TIR lens. The LISA2 series of lenses, measuring less than 10 mm in diameter and less than 7 mm tall, achieves over 90 % light transmission efficiency through superior design and superior material. The TIR lens is engineered to exacting tolerances and molded from high-quality acrylic (PMMA), which offers outstanding transmission efficiency and is virtually impervious to UV radiation. Each lens is mounted in a molded polycarbonate (PC) housing designed for alignment to a specific LED, providing precise location of the lens at the ideal focal point for each qualified brand or style of LED. While the lens housing is rated for use at 115 ⁰C, the cool operation of the light engine means that the housing, which attaches to the PCB by means of locating pins or optional mounting clips, will undoubtedly maintain its physical integrity over the usable life of the luminaire. *International Patent Cooperation Treaty (PCT) Receiving Office (application PCT/IB2012/050693).
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