Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent
1998-12-08
2000-10-10
Mack, Ricky
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
359631, 359633, G02B 2714
Patent
active
06130784&
ABSTRACT:
An image display apparatus that presents an observer an image of higher resolution than the original resolution of an image display device used, thereby allowing the observer to view a clear and beautiful image. An illuminating optical system (5) illuminates an image display device with illuminating light from a light source (1). The image display device displays an image by transmission or reflection of the illuminating light. A viewing optical system leads the image to an observer's eyeball (10). The apparatus has two image display devices (9a and 9b). An optical coupling/separating element having a light-coupling or light-separating action is provided between the image display devices (9a and 9b) and the observer's eyeball (10) to superimpose images of the two image display devices on one another. The optical coupling/separating element has an optical coupling/separating surface (40) tilted at an angle of approximately 45 degrees with respect to each of the image display devices (9a and 9b). The viewing optical system projects the superimposed images into one eyeball (10) of the observer as an enlarged virtual image.
REFERENCES:
patent: 5546227 (1996-08-01), Yasugaki et al.
patent: 5908300 (1999-06-01), Walker et al.
patent: 6008778 (1999-12-01), Takahashi et al.
patent: 6054969 (2000-04-01), Haisma
Mack Ricky
Olympus Optical Co,. Ltd.
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