Related topics: light

Graphene quantum dot LEDs

The first graphene quantum dot light-emitting diodes (GQD-LEDs), fabricated by using high-quantum-yield graphene quantum dots through graphite intercalation compounds, exhibit luminance in excess of 1,000 cd/m2.

Light-emitting fork made with sprayed LEC technology

Light-emitting electrochemical cells, LEC, is a newly invented lighting technology. In his thesis, physicist Amir Asadpoordarvish, Umeå University, shows how a LEC can be produced through spraying three layers of ink on ...

Making LED-illuminated advertisements light and flexible

VTT is involved in a European project, developing novel LED advertising displays, which combine thin, lightweight and bendable structures with advanced optical quality. The project will implement, for example, a LED display ...

Innovation boosts Wi-Fi bandwidth tenfold

Researchers at Oregon State University have invented a new technology that can increase the bandwidth of WiFi systems by 10 times, using LED lights to transmit information.

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