Jürgen Neuhäusler is senior systems engineer of low-power DC-DC converters at Texas Instruments.
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September 2004[Cover Feature] White Emitters — Can They Cure The Night-Time Jitters?
Most of the latest mobile phones have built-in cameras with megapixel resolution. To enable users to take pictures in a darker environment, additional lighting is required, but standard flashlight solutions, as used in digital still cameras, are typically bulky and therefore not suitable for the small size of a mobile phone. Recently introduced high power LEDs used in automotive applications do, however, offer an attractive solution to this problem, as they can easily be built...
