Seoul Semiconductor introduces next generation of high power LEDs

The new Z5-M1 series from Seoul Semiconductor has been optimized to deliver maximum efficacy and luminous flux with an industry standard 3535 surface mount package. The new Z5-M1 combines high light output, reliability, and color uniformity to deliver up to 132 lumens per watt at 350mA, (85°C junction temperature, 80 CRI minimum) in warm white (3000K). In cool white (6000K), the Z5-M1 delivers up to 150 lumens per watt at 350mA (85°C junction temperature, 70 CRI minimum). The Z5-M1 series is available in the full Correlated Color Temperature (CCT) range of 2600K – 7000K and two CRI options to provide lamp and luminaire manufacturers with maximum flexibility.

seoul semi

The advancements made in chip architecture and phosphor technology are the key ingredients to the performance enhancement of the new Z5-M1 series. The improved efficacy helps lighting manufacturers use fewer LEDs in their system designs which translate to lower system costs. The Z5-M1 can be operated from 150mA to 1.5A making them suitable for a wide range of general illumination applications from street and area lighting to replacement lamps to high output flashlights. This new product also features excellent color uniformity over angle based on a new phosphor coating technology which enables high quality directional light sources. J.B Choi, President of the Lighting Division for Seoul Semiconductor, said: “The efficacy enhancements in the new Z5-M1 series not only ensure a reduction in luminaire development costs incurred by our customers, but also enable the best possible color over angle homogeneity with the new phosphor coating technology.”

Seoul Semiconductor manufacturers and packages a wide selection of light emitting diodes (LEDs) for the automotive, general illumination lighting, appliance, signage and back lighting markets. The company is the world’s fifth largest LED supplier, holding more than 10,000 patents globally, while offering a wide range of LED technology and production capacity in areas such as “nPola”, deep UV LEDs, “Acrich”, the world’s first commercially produced AC LED, and “Acrich MJT – Multi-Junction Technology” a proprietary family of high-voltage LEDs.


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