High Brightness LED targets projection market.

Press Release Summary:




With dimensions of 5.8 x 4.6 mm and output of 85 lm per mm² of footprint, OSTAR Compact 2x2 is suited for high-power projectors in commercial and domestic sector. Unit contains two 2 mm² chips and is designed specifically for imager diagonals between 0.4 and 0.55 in. With one set of red, converted green, and blue LEDs, it is possible to achieve luminous flux of 400 lm from projector.



Original Press Release:



New LED in Compact Package Doubles Brightness for Projection Applications



OSRAM OSTAR Compact 2x2 is setting new standards in brightness for the projection market

OSRAM Opto Semiconductors has added another LED to its portfolio for projection applications. The new OSRAM OSTAR Compact 2x2 is the brightest LED of its type on the market. With twice the brightness in all colors and near record-breaking green values, this new version is an excellent addition to the existing versions of the OSTAR Compact series. Its high performance makes it ideal for high-power projectors for the commercial and domestic sectors.

With the new 2x2 version, the OSTAR Compact series of LEDs now offers even greater flexibility. With just one set of Red, Converted Green and Blue LEDs, it is now possible to achieve a luminous flux of 400 lm from the projector. The new version has been designed specifically for imager diagonals between 0.4 inches and 0.55 inches. If multiple sets of these LEDs are combined for larger imager diagonals, the high brightness levels needed for office projector applications can be achieved.

The OSTAR Compact 2x2 LED offers the best ratio of light to size available. With dimensions of 5.8 x 4.6 mm and an output of 85 lm per mm² of footprint, it is the brightest LED in this package class on the projection market (measured in pulse mode for green at an operating current of 6 A). It contains two 2 mm2 chips and produces twice the output of the standard Compact LED with one chip.

The package is available in Red, Converted Green and Blue. In Converted Green, for example, the LED has a typical luminous flux of 2400 lm in pulse mode at an operating current of 6 A. No other comparable LED has achieved this before. This enormous increase in output is based on the two integrated blue chips using state-of-the-art ThinGaN technology and the green phosphor converter. Since a greater proportion of green than red or blue is needed to produce white light, the increase in brightness has a significant effect on the overall system brightness of the projector.

According to Wolfgang Schnabel, Product Manager for the OSTAR Compact series, "Each chip in the new OSTAR Compact 2x2 can be individually controlled, which offers higher flexibility for the design engineer in the choice of LED drivers. The two chips can be connected in parallel or in series, with the latter providing higher efficiency and more readily available standard drivers."

By doubling the light output, the new OSRAM OSTAR Compact 2x2 LED enables significantly improved projector performance.

http://www.osram-os.com/press

ABOUT OSRAM OPTO SEMICONDUCTORS

OSRAM is part of the Industry sector of Siemens and one of the two leading lighting manufacturers in the world. Its subsidiary, OSRAM Opto Semiconductors GmbH in Regensburg (Germany), offers its customers solutions based on semiconductor technology for lighting, sensor and visualization applications. OSRAM Opto Semiconductors has production sites in Regensburg (Germany) and Penang (Malaysia). Its headquarters for North America is in Sunnyvale (USA), and for Asia in Hong Kong. OSRAM Opto Semiconductors also has sales offices throughout the world. For more information, go to www.osram-os.com.

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