Image display apparatus and optical member therefor

Details Image display apparatus and optical member therefor Image display apparatus and optical member therefor

2008-03-07

2009-12-08

Fineman, Lee (Department: 2872)

Optical: systems and elements

Stereoscopic

Having record with lenticular surface

C348S059000

Reexamination Certificate

active

07630131

ABSTRACT:
An image display apparatus capable of switching a display mode between a directional display mode where a first image is displayed in a first viewing direction and a second image is displayed in a second viewing direction and a non-directional display mode where the same image is displayed in both the first and second viewing directions. The apparatus includes an image forming unit and an optical member. The optical member is disposed adjacent to an emitting side of the image forming unit and is used for switching the display mode. The optical member includes two light-transmitting plate members, a lens member disposed between the two plate members, a refractive-index variable medium sealed in a gap between the lens member and the two plate members, and a refractive-index adjusting unit that adjusts a refractive index of the refractive-index variable medium. in order to switch between the directional and non-directional display mode.

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patent: 2006-106608 (2006-04-01), None

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