Abstract: A photo-luminescence liquid crystal display 100 comprises: a display panel 104 and a radiation source 102 (blue or UV LED) for generating excitation radiation for operating the display. The display panel 104 comprises transparent front 110 and back 112 plates; a liquid crystal (LC) 114 disposed there between; and a matrix of electrodes 120 (array of thin film transistors) defining red, green and blue pixel areas of the display and operable to selectively induce an electric field across the liquid crystal 114 in the pixel areas for controlling transmission of light through the pixels areas. Red 130 and green 132 phosphor materials are provided on the back plate corresponding to the red and green pixel areas and respectively emit red (R) and green (G) light in response to the excitation radiation. The LCD can further comprise a blue phosphor material 134 on the back plate corresponding to blue pixel areas.