Patent ID: 6424321
Filing Date: 2002-07-23
Classification: G02B

Abstract:
A head mounted display device comprising;a housing for holding a first matrix display and a second matrix display relative to the head of a display user, the housing having a first aperture through which the first matrix display can be viewed and a second aperture through which the second matrix display can be viewed, each matrix display including a backlight source, a light diffuser, an active matrix liquid crystal display and a lens that are aligned along a common linear axis with an eye of a user, each backlight source directing light along each respective common linear axis through a respective diffuser, display and lens; a mounting frame within the housing such that each matrix display slides relative to the mounting frame to adjust a distance between the first matrix display and the second matrix display; a first pair of hinge mounted support elements that are both rotatable between respective closed positions and respective open positions such that the pair of support elements can be fitted about the head of the user when both support elements are in the respective open positions; and a connector mounted on the display device that is connected to the first matrix display and the second matrix display to deliver a video signal from an external video source.