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Osram Opto Expands LED Chips for Projector Applications

Time:2016/10/22 Posted:Shenzhen GaoPin Semiconductor Lighting Technology Co., Ltd.

Osram Opto Semiconductors presents P2W 01, a particularly reliable addition to its familiar Osram Ostar Projection series. This new LED contains four chips which can be controlled in two separate groups. The LED therefore represents an integrated solution which in the event of emergencies offers trouble-free operation in safety-related and security-related applications such as control room monitors.

“The redundant system of the new Osram Ostar Projection is ideal for 24/7 applications. If a chip should ever unexpectedly fail, the second system will continue to operate without any problem at all”, said Wolfgang Schnabel, Product Marketing LED at Osram Opto Semiconductors. Up to now, only the chips in the large Osram Ostar Projection P3W could be controlled separately. This is now also possible with the P2W 01. Osram Opto Semiconductors has developed a compact LED with two self-contained parallel systems with two chips each. The connection design has also been improved, from 2-pad to 3‑pad. This means there are now three connections instead of two. All four chips occupy one pad, the other two pads are each reserved for a group of two. “A new soldering process ensures that the heat produced in the application remains low. The connection between the chip and the package can therefore withstand a lot”, added Schnabel.

The new Osram Ostar Projection has four chips which can be controlled as independent pairs. (Osram/GAOPIN)

Compact solution with vivid images

The high-current chips in the new Osram Ostar Projection are based on the most advanced thin-film and UX:3 chip technologies. They produce high luminance, resulting in extremely bright and vivid images in the relevant applications. The new LED therefore enables lighting solutions to be more compact than before because a smaller active surface is needed to achieve the same light output. Customers who are currently using the P2W can easily upgrade their design to the new Osram Ostar Projection because the size and the optical and technical data correspond to those of the P2W version. Connectors and other accessories are widely available on the market.

The new LED will be used in particular as a light source for back projection systems. This involves projecting the image onto a screen with the aid of reflective optics. Often such systems are designed without borders. Multiple systems are arranged seamlessly next to each other, creating a large borderless screen on which one image can be shown or a different image can be shown on each screen. These systems are used predominantly in the security sector where 24-hour operation is needed, for example in control rooms for subway stations, railroad stations and underground car parks, and also for major events and industrial plant control.

You can find more information on the Osram Ostar Projection series on the internet.

Technical data (P2W 01):

Number of chips

four

Illuminated area

2.6 mm x 3.2 mm

Package

27 mm x 16 mm x 2.1 mm

Thermal resistance Rth

0.7 K/W

Maximum pulse current
(240 Hz, 50% d.c.)

Red: 24 A
Green, Blue: 32 A

Typical brightness at maximum pulse current

Blue (LE B P2W 01): 1000 lm
Red (LE A P2W 01): 2500 lm
Green (LE CG P2W 01): 8300 lm


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