Wide color range display systems comprising integrated, phase modulated light from three light emitting diode (LED) pixels. Each pixel comprises a large number of LED chips arranged compactly to provide a discrete element light source of sufficient output to be viewed as a point source of light from...http://www.google.fr/patents/US5184114?utm_source=gb-gplus-shareBrevet US5184114 - Solid state color display system and light emitting diode pixels therefor
Solid state color display system and light emitting diode pixels therefor
