Patent ID: 6636185
Filing Date: 2003-10-21
Classification: A61B,G02B,G02F,G09G,H01L,H01S,H04N,H05B

Abstract:
A head mounted display system comprising:a support frame for positioning on a user's head; an active matrix display mounted on the support frame to direct an image emitted from a display surface onto any eye of the user and having a plurality of row address lines and a plurality of column address lines, the active matrix display further comprising an array of pixel circuits and an array of pixel electrodes, each pixel circuit being formed in a thin film of single crystal material and being electrically connected to one row address line and one column address line; a lens positioned near the active matrix display to focus an image from the display; and an array of photodetectors located adjacent the display for detecting light reflected from the eye of the viewer, the light emanating from the display pixels and reflected by the eye along an optical path.