Hong Kong hosts Valentine's Day with 25,000 LED roses

It's like a romantic scene out of one of South Korea's sappy soap dramas—tens of thousands of illuminated roses forming an impressive backdrop for the lead actor and actress to declare their love for each other.

How copper makes organic light-emitting diodes more efficient

Use of copper as a fluorescent material allows for the manufacture of inexpensive and environmentally compatible organic light-emitting diodes (OLEDs). Thermally activated delayed fuorescence (TADF) ensures high light yield. ...

How LED lighting treatments affect greenhouse tomato quality

To satisfy increasing consumer demand for locally grown, fresh tomatoes during off-seasons, greenhouse tomato growers often need to rely on supplemental lighting. Tomato growers are looking to light-emitting diodes (LEDs), ...

LG Display plans multi-billion OLED plant

South Korea's LG Display said on Friday it planned to invest close to $9.0 billion in a new plant to produce organic light-emitting diode (OLED) displays, anticipating a surge in demand for the ultra high-definition technology.

Bringing the chaos in light sources under control

Noise is an issue in optical telecommunications. And findings means of controlling noise is key to physicists investigating light-emitting diodes or lasers. Now, an Italo-Iraqi team has worked on a particular type of light ...

Economic LED recycling

Light emitting diodes are used in a great number of products like televisions and lamps or luminaires. Moreover they are penetrating the automotive lighting market to an ever greater degree. Nevertheless, there are no suitable ...

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