Color image reproducer

Claim 1

IN A MULTI-COLOR DISPLAY DEVICE FOR DEVELOPING AN IMAGE IN A PLURALITY OF PRIMARY COLORS, A LIGHT PRODUCING STRUCTURE COMPRISING: A FIRST COLOR GROUP COMPRISING A MULTIPLICITY OF FIRST ELEMENTS DISTRIBUTED IN A PREDETERMINED GEOMETRIC PATTERN THROUGHOUT A PRESELECTED IMAGE AREA, EACH OF SAID FIRST ELEMENTS INCLUDING A LUMINESCENT MATERIAL WHICH UNDER EXCITATION EMITS LIGHT PREDOMINANTLY IN A PREDETERMINED SPECTRAL RANGE RESTRICTED TO A FIRST ONE OF SAID PRIMARY COLORS AND A COLOR FILTER ELEMENT WHICH EXHIBITS A RELATIVELY HIGH TRANSMISSION EFFICIENCY FOR LIGHT IN SAID PREDETERMINED SPECTRAL RANGE AND A RELATIVELY LOW TRANSMISSION EFFICIENCY FOR LIGHT IN THE REMAINDER OF THE VISIBLE SPECTRUM, SAID COLOR FILTER MATERIAL BEING IN INTIMATE CONTACT WITH SAID LUMINESCENT MATERIAL; AND A SECOND COLOR GROUP COMPRISING A MULTIPLICITY OF SECOND ELEMENTS INTERSPERSED THROUGHOUT SAID IMAGE AREA WITH SAID FIRST GROUP OF ELEMENTS, EACH OF SAID SECOND ELEMENTS COMPRISING A LUMINESCENT MATERIAL WHICH UNDER EXCITATION EMITS LIGHT PREDOMINANTLY IN A SECOND PREDETERMINED SPECTRAL RANGE RESTRICTED TO A SECOND ONE OF SAID PRIMARY COLORS.