A display device is made up of a number of opto-emission plates and opposed LCD shutter plates. Opto-emission plate comprises a plurality of square pixels each having square/rectangular, blue, green, red and white phosphor corner elements. The phosphor elements are energised by ultra-violet light to...http://www.google.com/patents/US5563621?utm_source=gb-gplus-sharePatent US5563621 - Display apparatus
