LED for Smartphone Camera Flash

Osram Opto Semiconductors Inc.

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Osram Opto Semiconductors has added a new LED to its Oslux family. Designed for camera flash in smartphones, it provides a high-quality white light that illuminates the target area. Its specially shaped lens allows it to be discreetly fitted into the device.

Manufacturers of high-end smartphones often must choose between design and functionality. One challenge is combining the camera with the lighting required. In some designs, the technical components can look bulky and the recesses in the enclosure can make the device less robust. The new LED supports smartphone manufacturers in their efforts to combine form and function.

It has two chips with 1-sq-mm of emitting surface each. The light-emitting area of the rectangular LED is optimized for the optics of the phone — the surface is flat and blends properly with the cover so that the LED can be installed inconspicuously. No additional covers or lenses are necessary. With its symmetrical emission, the LED can be installed vertically or horizontally. When switched off, it is barely noticeable.

Thanks to UX:3 chip technology, the LED provides consistent illumination for photos. At a distance of 1 m, a brightness level of 150 lx is achieved. The light is evenly distributed and covers the corners of the rectangular illuminated image, so that no hot spot is generated in the center. Because all the elements of the flash are combined in a single component, the LED is easily integrated into the phone. It is durable and resistant to shock and vibration, and its energy-efficient design enables multiple consecutive flashes.

For more information, visit: www.osram-os.com

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Published: June 2012