News tagged with color spectrum

Scientists Build First 'Frequency Comb' To Display Visible 'Teeth'

(PhysOrg.com) -- Finally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology in the U.S. ...

Physics / General Physics

created Oct 29, 2009 | popularity 4.9 / 5 (18) | comments 0

LED closes the yellow gap: Full conversion of blue into amber light by new nitride phosphor

(PhysOrg.com) -- Monochromatic light-emitting diodes cover a large part of the visible spectrum with high effi-ciency. For blue light, nitride diodes achieve external quantum efficiencies in excess of 65%, ...

Physics / Condensed Matter

created Jul 23, 2009 | popularity 4.8 / 5 (8) | comments 1

Building a better light bulb

Scientists study the movement of charge carriers to design an organic LED that is energy efficient and still casts a warm, natural glow.

Physics / General Physics

created Feb 01, 2012 | popularity 5 / 5 (1) | comments 4

Sharp Develops Five-Primary-Color LCD That Faithfully Reproduces Real Surface Colors

Sharp Corporation has developed a five-primary-color display that faithfully reproduces the real surface colors that humans are capable of perceiving. A prototype of this display will be exhibited at the international symposium ...

Electronics / Hardware

created May 29, 2009 | popularity 4.6 / 5 (8) | comments 3