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Everlight Adds New Chip-on-board LEDs

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New LED series in high-power and colour-tunable versions

Everlight Electronics has announced two new chip-on-board (COB) LED families, the XUAN series of high-power COBs and the "˜Color Choice' (colour on demand) COB series CHI.

Everlight's high-power (36V) XUAN COB series offers the dual benefit of high efficiency and easy assembly, according to the company. Covering a wide wattage range at customers' preference from 2-50W the MCPCB device can achieve > 130 lm/W. Designed with high thermal conductive mirror-aluminum substrate, it can be easily attached to the heatsink by holder or screws.

Another feature of the XUAN series is its wide driving operation range, ensuring a super 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 on Everlight's XUAN LED are currently available in 1313 and 1919 dimensions with colour temperature options from warm to cool (2700-6500K) and CRI ratings of 82 (>80), 92 (>90) and > 97 Ra. 

The 'Color Choice' Series CHI COBs (9-29W) are designed on a ceramic PCB package and based on two colour temperatures 2700K and 5700K which, when thoroughly mixed, can take on every ANSI color temperature in this CCT range.

All mixture points achieve >110lm/W and a CRI >80 (R9> 0). Everlight's "˜Color Choice' Series directly targets indoor retail, hospitality and residential lighting applications. Offered with wattages of 9W, 19W and 29W, CHI LEDs can supplement direct luminaires and spotlights with dynamic colour temperature variability and allow the seamless setting of any desired colour temperature between 2700K and 5700K.

The Color Choice Series' temperature tunability is achieved by subdividing the COB into two electrically insulated segments for warm white 2700K and cool white 5700K which can be controlled/driven independently from each other. Each circuit requires a separate power supply unit or a co-channel power supply.

This makes the series suitable for elegant and simple mood lighting, adjustment to changing daylight and decorative lighting aspects in private homes, stores, hotels and bars. CHI COBs are suited for with large spotlights in retail applications or smaller directional lamps like MR16, PAR20, PAR30, PAR38 lamps for general lighting use.



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