Display apparatus

Details Display apparatus Display apparatus

1993-09-29

1995-11-14

Weldon, Ulysses

Computer graphics processing and selective visual display system

Image superposition by optical means

359360, 340980, G09G 302

Patent

active

054671035

ABSTRACT:
A display apparatus has a first image emitting unit reflecting external light and a second image emitting unit emitting a second image towards the first image emitting unit. The second image is reflected by the first image emitting unit substantially in the same direction as the first image is emitted from the first image emitting unit. A reflection member reflects the first and second images in a predetermined direction, for example, towards a viewpoint of driver in case of application for automobiles. The reflected images may be observed as a superimposed virtual image. The superimposed virtual image is easy for an observer to focus thereon, resulting in high visibility of displayed image.

REFERENCES:
patent: 3915548 (1975-10-01), Opittek et al.
patent: 4760389 (1988-07-01), Aoki et al.
patent: 4809078 (1989-02-01), Yabe et al.
patent: 5121099 (1992-06-01), Hegg et al.

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