Patent ID: 8384851
Filing Date: 2013-02-26
Classification: G02B,G02F,H01J,H04N

Abstract:
1. A display system, comprising: a display panel having a front surface and a back surface, the display panel further including electronically addressable reflective pixels, each pixel comprising a first, second, and third subpixel of different first, second, and third colors, respectively; and a light source configured to illuminate the front surface of the display panel with source light, such that the source light is selectively reflected by the pixels to provide a color image to an observer disposed in front of the display panel; wherein the light source comprises a first lamp that emits a first lamp light, the first lamp light including light components of the first, second, and third colors; wherein a combination of the first lamp light and the display panel provide a first color gamut; wherein a combination of the source light and the display panel provide a second color gamut; wherein the light source includes a first enhancing element such that the second color gamut has an area greater than that of the first color gamut; wherein the first enhancing element comprises a first filter disposed to filter the first lamp light; and wherein the light source comprises a filter assembly at least partially surrounding the first lamp, and the first filter is disposed on the filter assembly.