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With a usual "slow" recombination process, the speed of a light-emitting diode is limited to approximately 1.
Under international energy crisis and the gradual improvement of the environmental protection requirements, the semiconductor light-emitting diode lighting, long performance, energy saving, safe, green and environmental protection, abundant colors and microminiaturization, has been recognized as the only one manner of energy saving and environmental protection in the world.
1 Development Situations of Chinese Light-Emitting Diode Industry
Zhou's nanomaterials may make flat-screens that last twice as long as today's plasma TVs, cost half as much, and, with organic light-emitting diodes (OLEDs), have none of the trace metals that can deteriorate picture quality over time.
Meanwhile, Mayor James Hahn has ordered the DWP to cough up the funds to replace the city's traffic lights - the ones that tell cars, not pedestrians, to stop and go - with light-emitting diodes.
2011 US Import and Export Market for Diodes, Transistors,Similar Semiconductor Devices; Photosensitive Semiconductor Devices; and Light-Emitting Diodes
Organic light-emitting diodes (OLEDs) are likely to be one of the key technologies of the future, particularly in the context of display and lighting applications.
Moreover, light-emitting diodes containing the highly aligned material performed better than light-emitting diodes using the disordered material, says Stupp.
OSRAM Opto Semiconductors' light-emitting diodes (LEDs) now illuminate the fa[?
Despite being the mainstay material of electronics, silicon generally is ill-suited for light-producing devices such as lasers and light-emitting diodes.
The cylinder's top would hold a photodetector that measures the total amount of light emitted at any given moment by all the light-emitting diodes.
A display made with a lasing film could be a thousand times brighter than one made with light-emitting diodes, he adds.