A color semiconductor display device in which optoelectronic elements capable of emitting/absorbing light of different predetermined wavelengths in the visible wavelength range (e.g. red, green, blue) are formed on a common substrate and comprise similar alloy compositions which are lattice matched to...http://www.google.de/patents/US5583351?utm_source=gb-gplus-sharePatent US5583351 - Color display/detector
