Display unit

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G - Physics

03

H

G03H 1/22 (2006.01) G02B 5/32 (2006.01) G02B 27/00 (2006.01) G02B 27/01 (2006.01) G02B 27/22 (2006.01) G03B 21/10 (2006.01)

Patent

CA 2044932

A display unit including an indicator (1) for projecting a predetermined image, an image forming optical system (3) for forming a real image at a predetermined position according to the image projected by the indicator, and a transparent hologram screen (10) disposed at an image forming position of the image forming optical system to diffract the real image in a predetermined direction with a directivity.

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