Samsung has developed a QVGA 2.1 inch LCD screen that automatically adjusts its brightness depending on the ambient lighting.
The screen is designed for use in mobile phones and PDA’s and will allow the screen to be viewed easily in darkness or direct sunlight. Apparently Samsung has also included a temperature sensor so that the screen can maintain a steady operational mode even in extreme heat or cold.
The screens use 20 – 30 percent less power than standard screens and are small enough to be fitted to the slimmest of Samsung devices.
How it works
To enable extremely slim mobile designs, the new LCD mobile display makes use of a proprietary technology called Adaptive Brightness Control (ABC) that is designed with an ultra-slim black matrix embedded within the display’s structure that measures no more than a single millimeter. The ABC is part of a unique, cost-saving architecture that consists of tiny, highly responsive circuit sensors built into the display panel, which eliminates the need for photo-sensors and complex signal processing circuits.
The signal processing function within the display driver IC converts ambient light measurements from the sensors into pulse-width modulation signals.
From Akihabara News
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