Image display apparatus

Details Image display apparatus Image display apparatus

1996-04-19

1997-07-08

Hjerpe, Richard

Computer graphics processing and selective visual display system

Image superposition by optical means

Operator body-mounted heads-up display

345 96, 345209, G09G 500, G09G 336

Patent

active

056466412

ABSTRACT:
In an image display apparatus of a head-mounted type including right-eye image display LCD for displaying a right-eye image, left-eye image display LCD for displaying a left-eye image, right-eye optical system for projecting the right-eye image onto a right-eye of a user, left-eye optical system for projecting the left-eye image onto a left-eye of the user, a polarity of each of the image signals supplied to the right-eye and left-eye image display LCDs is reversed such that each of pixels of these LCDs is driven in an alternating current mode so that the fluctuation in the intensity of the displayed images and the deterioration of the LCDs can be mitigated.

REFERENCES:
patent: 4737972 (1988-04-01), Schoolman
patent: 4834503 (1989-05-01), Tsujimoto et al.
patent: 4926168 (1990-05-01), Yamamoto et al.
patent: 4982183 (1991-01-01), Flegal et al.
patent: 5034809 (1991-07-01), Katoh
patent: 5107353 (1992-04-01), Okumura
patent: 5122790 (1992-06-01), Yasuda et al.
patent: 5281957 (1994-01-01), Schoolman

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