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News Article

Seoul Semi ramps high-power LED packages

Seoul Semiconductor has introduced a series of high-power packaged LEDs, including a full-color device containing high-power RGB chips.

Korea-based Seoul Semiconductor (SSC) has commenced production of its Z-Power LED series of high-power LED packages, which includes a package containing three high-power red, green and blue chips.

The white Z-Power LED has a luminous flux of 140 lm at 1.4 A (5 W), corresponding to 28 lm/W, while its luminous efficacy is 40 lm/W at 350 mA.

SSC plans to introduce even brighter power LEDs, with an efficacy of 50 lm/W, in the coming year.

The Z-Power LED is available in white, red, green, blue, amber, cyan, warm white and full color. The range of radiation patterns includes 40°, 70° and 130°, as well as a side-emitter version.

Versions operating at 1 W (350 mA), 2.5 W (700 mA) and 5 W (1.4 A) are available.

The correlated color temperature (CCT) for white is given as 3000-8000 K, while the reliability (time to reach 50% degradation of lumen output) is stated as 70,000 hours at 350 mA.

SSC s packages are designed for high-current operation where high-flux output is required. SSC says that the product has a wide range of applications such as internal and external lighting, automotive lighting, and large-area LCD backlighting.

SSC has also developed the Full Color Z-Power LED, which the company claims is the only multi-color packaged LED product containing three high-power (350 mA) RGB chips.

The product emits light of any required color or white light with a luminous flux of 60 lm.

The Full Color Z-Power LED is highly suited for LCD backlighting application, since - unlike the existing cold cathode technology - it does not require color filters. Also, by eliminating diffuser sheets and reflector sheets, SSC says that it can cut raw material consumption and assembly costs.

This article first appeared at LEDs Magazine, a new online publication dedicated to LED systems technology and applications.

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