Patent ID: 6144347
Filing Date: 2000-11-07
Classification: G02B,H04N

Abstract:
A head-mounted image display apparatus, comprising:first and second optical visual units for displaying an image to respective left and right eyes of a user, each optical visual unit comprising an image display device and an ocular lens;a frame supporting said optical visual units, said optical visual units being slidably adjustable toward and away from each other along a length of said frame for aligning the ocular lenses of the optical visual units with the left and right eyes of a user, respectively; andan elongate backlight assembly supported by said frame, said elongate backlight assembly comprising an elongate lamp extending substantially parallel to the length of said frame such that said optical visual units remain at a substantially constant distance from said elongate lamp as said optical visual units are slidably adjusted toward and away from each other along the length of said frame, said backlight assembly being operable to illuminate the image display devices of both said first and second optical visual units.