The solar cell ambient light sensor is attached to a transparent cover layer, a color filter layer, or any other layer of the display. When the accumulated voltage is not being sampled for ambient ...

US start-up Foveon has designed an image sensor for digital cameras that does away with the colour filters normally needed by CMOS and CCD sensors. The sensor has three photosensitive layers embedded ...

ALSs (ambient-light sensors) have been around for years, but they are now seeing increased use due to the success of smartphones, such as Apple’s iPhone. The iPhone uses an ALS to reduce power demands ...

Since the backlight of the LCD panel in a smartphone accounts for around 40% of the device’s total power consumption, one can benefit greatly by adjusting the brightness in response to changes in ...