Reusing wasted LCD backlighting a possibility
Researchers have found a way to combine Photovoltaics with LCD screens. This means that wasted LCD backlight lighting could be collected to improve battery life.
The technology doesn’t stop there however, it can also be used to collect and store ambient light as well as sunlight, improving your battery life.
Normal LCDs have two polarized sheets with liquid crystal molecules between them. These let variable amounts of light pass through to light up the display. Light that is blocked by these sheets is effectively wasted, though the photovoltaics can change that by collecting the energy and recharging your battery, extending its life.
With the LCD backlight using 80 to 90 percent of the mobile device’s power, up to 75 percent of this is lost due to the two polarized layers. According to reports, much of this 75 percent of wasted energy could be recovered.
A paper detailing the use of photovoltaics in LCD screens is due for publication in Advanced Materials next month.
Read the full story over at: ArsTechnica.
Loading ...