3D display with active parallax barrier using the monochromatic LC panel of specifications same as the image display panel

Tomoya Tsujino; Hiiro Nakamura; Takuya Fujishima; Goro Hamagishi; Kayo Yoshimoto; Hideya Takahashi; Takuya Matsumoto; Kaoru Kusafuka

doi:10.1117/12.2508357

1 March 2019 3D display with active parallax barrier using the monochromatic LC panel of specifications same as the image display panel

Tomoya Tsujino, Hiiro Nakamura, Takuya Fujishima, Goro Hamagishi, Kayo Yoshimoto, Hideya Takahashi, Takuya Matsumoto, Kaoru Kusafuka

Author Affiliations +

Proceedings Volume 10942, Advances in Display Technologies IX; 1094211 (2019) https://doi.org/10.1117/12.2508357
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

In the stereoscopic 3D display using the parallax barrier, the active barrier method can expand the viewing area if the barrier pattern optimizes corresponding to the position of the observer by eye tracking. However, requiring not only the LC display panel but also the specially shaped LC panel for the active barrier, this system should be very expensive. We propose using the active barrier which is a monochromatic panel of the same pixel shape as the image display panel. In the proposed method, it is easy to manufacture panels for the active barrier, and the 3D display provide the wide viewing area and high quality 3D images for observers. When the active barrier is a monochromatic panel having the same pixel shape as the image display panel, basically the barrier pitch cannot realize the ideal value. Thus, the observer cannot observe the stereoscopic image in the full screen. In order to realize stereoscopic observation, we apply the cycle pitch composing the stereoscopic image. The cycle pitch composing the stereoscopic image is the method to bring the pitch constituting the L/R image closer to the ideal value by periodically increasing the number of dots constituting the L/R image. To confirm the effectiveness of the proposed method, the crosstalk of the prototypes using film barriers were measured. Crosstalk was less than or equal to 10% at the viewing distance of 421 mm to 1238 mm. That crosstalk can be reduced regardless of observation distance was confirmed.

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Tomoya Tsujino, Hiiro Nakamura, Takuya Fujishima, Goro Hamagishi, Kayo Yoshimoto, Hideya Takahashi, Takuya Matsumoto, and Kaoru Kusafuka "3D display with active parallax barrier using the monochromatic LC panel of specifications same as the image display panel", Proc. SPIE 10942, Advances in Display Technologies IX, 1094211 (1 March 2019); https://doi.org/10.1117/12.2508357

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