Quantum dots that produce white light could be the light bulb's successor

[Andre Kesteloot]

.. . they last up to 50,000 hours or 50 times as long as a 60-watt bulb;
they are very tough and hard to break, and they should save electricity.

http://exploration.vanderbilt.edu/news/news_quantumdot_led.htm

73
André N4ICK