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Everlight’s COB LED touts high CRI, efficiency

14 May 2012

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Everlight Electronics Co. Ltd has claimed that its 6.4W and 8W Chip-on-Board (COB) LED series has one of the highest CRI and efficiency features in the market. The new series is suitable for directional and decorative applications such as MR lamps and P35 bulbs. These types of applications require an LED light source that exhibit compact size, high efficiency, sufficient lumen output, high CRI and high color uniformity. Proper light distribution to maintain a comfortable and uniform lighting environment is likewise needed.

Everlight�s COB series is a 3.7W multi-chip, ceramic substrate-based LED that boasts low thermal resistance (Rth <1.8�C/W) and superior efficacy of 100lm/W at 3000K CCT and high CRI (>80Ra). It will be available not only in ANSI 3000K CCT but in all Energy Star / ANSI color temperature ranges. Mechanically, the C52 COB series can be mounted directly on heat sink, eliminating the SMT process. This provides more direct thermal dissipation, ease of assembly, and lowering of the system cost in lighting applications.

Additionally, Everlight says its C52 series uses standard DC chips configured in series and parallel to provide the most convenient driving conditions for existing driver designs. Also, with a ceramic substrate, users can have higher reliability and better thermal dissipation.

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