Products, Materials & Tools | Sep 30, 2015

New Osram Ostar Stage: Twice the Brightness from the Same Chip Surface Area

Osram Opto Semiconductors has expanded the product portfolio of its Osram Ostar Stage family. The four chips of the new high-power LED in red, green, blue and white can be operated at up to 2.5 ampere (DC) thanks to improved chip technologies. This leads to twice the output of 30 watts (electric) from the same chip and package area compared to the existing version, adding another output class to the product family. The new LEDs were developed primarily for use in stage spotlights.

Technical data (LE RTDUW S2WN):
Dimensions: 4.68 mm x 5.75 mm x 1.26 mm
Chip size: 1 mm²
Thermal resistance Rth: 0.9 K/W
Output: 30 W
Beam angle: 120°

Four high-power chips with the latest thinfilm and UX:3 technology in red, green, blue and white are the basis of the improved brightness of the new Osram Ostar Stage. The 1 mm² chips can be operated for the first time at up to 2.5 ampere (A) providing an output of 30 watts (W), which is twice as high as the existing version. The Osram Ostar Stage versions now cover outputs between 15 and 60 watts. “The higher current which is necessary for a higher output requires the thermal management of the Osram Ostar Stage to be adapted so that the heat generated in the chip can be removed as effectively as possible”, said Wolfgang Schnabel, Product Marketing LED Industry at Osram Opto Semiconductors.

More flexibility with a number of identical parameters
“At the same time many features such as the package size and beam characteristics match the ones from previous versions. That way customers can stick to their existing optics, and the overall design of their lighting solutions”, added Schnabel. The new Osram Ostar Stage gives customers more flexibility for their stage spotlight product portfolio. Spotlights with the same number of LEDs will be even more powerful, and spotlights with fewer light emitting diodes will have the same brightness.

Apart from stage lighting, the new Osram Ostar Stage LEDs are ideal for use in mood and architectural lighting; in the latter case, they are the preferred light source for effect and accent lighting. The high-power LEDs are available from Q1/2016 in high volumes.

Additional information can be found at www.osram.com

About Osram:
Osram of Munich, Germany is one of the two leading light manufacturers in the world. The company's portfolio covers the entire value chain from components – including lamps, electronic control gear and opto semiconductors such as light-emitting diodes (LED) – as well as luminaires, light management systems and lighting solutions. OSRAM has around 34,000 employees worldwide and generated revenue of more than €5.1 billion in fiscal 2014 (ended September 30). The company's business activities have been focusing on light – and hence on quality of life – for over 100 years. The company was listed on the stock exchanges in Frankfurt and Munich on July 8, 2013 (ISIN: DE000LED4000; WKN: LED 400; Trading symbol: OSR).

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