17 March 2000 Holographic automotive display with full-color properties
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A head-up display for cars, which can display full color stereoscopic images, is developed. The display employs a reflective holographic screen having a size of 24 (horizontal) X 18 (vertical) for image projection. The screen is made by laminating two holographic directional diffusers recorded on Du Pont HRF-706 holographic photopolymer, which are tuned to blue (480 nm) and green-red (507 - 630 nm) spectral regions. It shows both properties of a concave spherical mirror and a diffuser. The screen's eye box size in horizontal direction is about 20 cm and stereo images can be perceived within 50 cm to 1 m distance from the screen. No visible color distortions owing to the screen's uniform spectral response and high transparency allow that well distinction between images on the screen and images from outside of the screen even under the sun illumination.
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Vadim V. Smirnov, Vadim V. Smirnov, Jung-Young Son, Jung-Young Son, Joo-Hwan Chunb, Joo-Hwan Chunb, Hyuk-Soo Lee, Hyuk-Soo Lee, Jieun Bahn, Jieun Bahn, } "Holographic automotive display with full-color properties", Proc. SPIE 3956, Practical Holography XIV and Holographic Materials VI, (17 March 2000); doi: 10.1117/12.379996; https://doi.org/10.1117/12.379996


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