New from Everlight Electronics are two chip-on-board (COB) LED families: the XUAN series of high-power devices and the Color Choice series CHI.
The 36 V XUAN series offers the dual benefit of high efficiency and easy assembly. Covering a wide wattage range from 2 to 50 W, the MCPCB device can achieve >130 lm/W. Designed with a highly thermally conductive mirror-aluminium substrate, it can be easily attached to a heatsink by holder or screws.
Another feature of the XUAN series is its wide driving operation range, ensuring very high efficacy in the typical driving state. In an over-driven state, however, it can still deliver a high lumen output and, with proper heatsink, also remains stable to bring about an economic lighting design. Seven different designs are currently available in 1313 and 1919 dimensions with colour temperature options from warm to cool (2700–6500 K) and CRI ratings of 82 (>80), 92 (>90) and >97 Ra. XUAN LEDs are a best fit for LED single light source applications like spotlights and downlights.
The Color Choice CHI COBs (9–29 W) are designed on a ceramic PCB package and based on two colour temperatures - 2700 K and 5700 K - which, when thoroughly mixed, can take on every ANSI colour temperature in this CCT range. All mixture points achieve >110 lm/W and a CRI in excess of 80.
The Color Choice series directly targets indoor retail, hospitality and residential lighting applications. Offered with wattages of 9 W, 19 W and 29 W, CHI LEDs can supplement direct luminaires and spotlights with dynamic colour temperature variability and allow the seamless setting of any desired colour temperature between 2700 K and 5700 K.
The CHI’s seamless colour temperature tunability is achieved by subdividing the COB into two electrically insulated segments for warm white 2700 K and cool white 5700 K, which can be controlled/driven independently from each other. Each circuit requires a separate power supply unit or a co-channel power supply. The COBs are suited for large spotlights in retail applications or smaller directional lamps like MR16, PAR20, PAR30, PAR38 lamps for general lighting use.
All chip-on-board LEDs from Everlight have completed LM80 lumen maintenance testing. A complete line of accessories such as standardised holders, appropriate reflectors and more are available.
For more information contact EBV Electrolink, +27 (0)21 402 1940, [email protected], www.ebv.com
| Tel: | +27 11 236 1900 |
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