Oct 29, 2019
A Simple Filter Turns Blue OLED Light Into White
Posted by Omuterema Akhahenda in categories: computing, mobile phones
Compared to regular blue OLED these converted white OLED last 30 times longer.
Organic light-emitting diodes (OLEDs) have come a long way since the first working device was reported three decades ago. Prized for their dark blacks, crisp image reproduction, and power efficiency, today’s OLEDs dominate the screens of Android phones and LG televisions. They may take over iPhones as early as next year.
And because OLEDs are cheap and easy to make, we ought to also use them to make white light for general illumination, says Konstantinos Daskalakis, a post-doctoral researcher at Aalto University in Finland.
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