Photoluminescence color display comprising quantum dots material and a wavelength selective filter that allows passage of excitation radiation and prevents passage of light generated by photoluminescence materials

A photoluminescence color display comprising:

• a display panel comprising a plurality of red, green and blue pixel areas;
• an excitation source operable to generate excitation radiation for operating the display;
• a photoluminescence color-elements plate comprising at least one of:
• red organic dye and red quantum dot materials corresponding to red pixel areas of the display that are operable to generate red light in response to said excitation radiation;
• green organic dye and green quantum dot materials corresponding to the green pixel areas of the display that are operable to generate green light in response to said excitation radiation;
• and blue organic dye and blue quantum dot materials corresponding to blue pixel areas of the display that are operable to generate blue light in response to said excitation radiation;
• and
• a wavelength selective filter disposed between the color-elements plate and the excitation source, the wavelength selective filter having a characteristic that allows the passage of excitation radiation and substantially prevents the passage of light generated by the photoluminescence materials of the photoluminescence color-elements plate.