| abstract |
A display element (10) for use in a display device that exhibits extended illumination longevity and uniformity, as well as a wide viewing angle, is provided. The element (10) can include a light source (15) that emits ultraviolet light, a liquid crystal device (25) having a plurality of independently controllable (i.e., addressable) shutters (30, 35) a screening element (40) between the light source (15) and the liquid crystal device (25), a plurality of luminescent elements (15) optically aligned with the shutters (30, 35), and a regulated power supply (70). Display devices, calibration techniques, and power management methods are also provided. |