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Related Experiment Video

Updated: Jun 16, 2026

Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues

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Published on: December 4, 2013

Curved triple-mirror screen for projection-type three-dimensional display.

T Okoshi, A Yano, Y Fukumori

|January 23, 2010

Summary

This study introduces a novel curved triple-mirror screen for 3-D displays. The screen offers improved viewing angles and image quality due to its unique diffusing and autocollimating properties.

Area of Science:

Optics and Photonics
Display Technology

Background:

Autocollimating screens reflect light back in the original direction, suitable for projection displays.
Existing screens may have limitations in viewing angle or image quality for 3-D applications.

Purpose of the Study:

To propose and evaluate a novel curved triple-mirror screen for projection-type three-dimensional displays.
To enhance the observable field of view and image quality in 3-D display systems.

Main Methods:

Design of a curved screen composed of tiny triple mirrors with cylindrical and flat reflecting surfaces.
Experimental validation of the screen's optical properties, including autocollimation and diffusion.

Main Results:

The proposed screen exhibits both horizontal autocollimation and vertical diffusion properties.

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Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues

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A horizontal directivity (autocollimation) of 0.5 degrees was achieved with a 1-mm pitch screen.

High reflection efficiency was observed, with design theory and experiments showing good agreement.

Conclusions:

The curved triple-mirror screen offers a wider observable field of view without compromising image quality for 3-D displays.
This innovative screen design presents a significant advancement in 3-D display technology.
The screen's properties make it highly suitable for advanced projection-based 3-D visualization systems.