Related topics: light

Saving greenhouse power with deep-red LED light

The Siemens subsidiary Osram Opto Semiconductors has developed a powerful light-emitting diode (LED) for use in the cultivation of plants. It emits a deep-red light at a wavelength of 660 nanometers, which is perfect for ...

LG claims world's thinnest LCD-TV panel

South Korea's LG Display said it has developed a liquid crystal display (LCD) television panel that is thinner than a pencil, describing it as the world's slimmest.

Data are traveling by light

Regular LEDs can be turned into optical WLAN with only a few additional components thanks to visible light communication (in short, VLC). The lights are then not just lighting up, they also transfer data. They send films ...

Nanoworld in color

Lights off – projector on. Lecture theaters, conference halls and seminar rooms currently have to be darkened if the speaker wants to project a presentation on screen. Unfortunately, the attention of the listeners goes ...

Dual-color lasers could lead to cheap and efficient LED lighting

(Phys.org) —A new semiconductor device capable of emitting two distinct colours has been created by a group of researchers in the US, potentially opening up the possibility of using light emitting diodes (LEDs) universally ...

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