Patent ID: 6055109
Filing Date: 2000-04-25
Classification: G02B

Abstract:
A head-mounted display apparatus comprisingan image display device for displaying images;a first flat reflection mirror for reflecting light from the image display device;a first and a second lenses for controlling a size of the image from the first flat reflection mirror;a first beam splitter for partially transmitting and partially reflecting the light passing through the first and the second lenses, thereby splitting two light beams;a second flat reflection mirror for reflecting the transmitted light beam;a second beam splitter for partially transmitting and partially reflecting the light beam from the second flat reflection mirror;a first reflection mirror for reflecting the light beam reflected by the second beam splitter to one eye of a viewer;a third flat reflection mirror for reflecting the light beam reflected by the first beam splitter;a fourth flat reflection mirror for reflecting the light beam from the third flat reflection mirror;a third beam splitter for partially transmitting and partially reflecting the light beam from the fourth flat reflection mirror; anda second reflection mirror for reflecting the light beam reflected by the third beam splitter to the other eye of the viewer.