Powerelectronics 3145 12436 Osram Opto Semiconductors

Ostar Stage LED for Even Brighter Stage Lighting

March 2, 2015
Osram Opto Semiconductors has introduced a new LED for stage lighting.

Osram Opto Semiconductors has introduced a LED for stage lighting. Compared with previous members of the product family, the Osram Ostar Stage offers more than twice the lumen output with a component surface that is only 30 percent larger. The new version contains two square-millimeter high-current chips per color that can handle a maximum of 4.5 amps per chip. This will enable moving heads for stage and exhibition lighting to be more powerful and more compact at the same time.

The Osram Ostar Stage LED is equipped with four high-current chips based on the latest thin-film and UX:3 chip technologies. With an area of 2 mm² each, the chips are twice as large as the previous ones but, at 5.7 mm x 6.4 mm x 1.3 mm, the package size is only slightly larger. Thin-film chips in red and UX:3 chips in green, blue and white are used. Up to 4.5 A can be applied to each chip, which allows more light to be produced from such a small surface area. With a binning current of 1.4 A, the red chips achieve typical values of 140 lumen (lm), and the green chips 280 lm. The "deep blue" chip provides a light output of 1.8 watts. If the LED is operated at the maximum current of 4.5 A, the brightness per color increases by a factor of 2.6. The white chip in the new Osram Ostar Stage will have a lifetime of 20,000 hours (L50/B50) at full output thanks to a new C2, ceramic converter, which enables it to achieve a brightness of more than 1000 lm.

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