Patent ID: 7253794
Filing Date: 2007-08-07
Classification: G02F,G09G

Abstract:
1. A method for displaying an image described by video words of a frame, the video words having bits with different bit ranks, said method comprising the steps of: (a) for each bit rank, turning pixels of a digital micromirror device on or off in accordance with values of the video words for the respective bit rank; and (b) discontinuously exposing the digital micromirror device to brief-duration flashes of light, the flashes having intensities that depend on the respective bit rank, wherein step (b) comprises exposing the digital micromirror device to flashes impinging on the digital micromirror device from a first direction, and also to flashes impinging on the digital micromirror device from a second direction, and also to flashes impinging on the digital micromirror device from a third direction.