Hologram-like interactive three-dimensional display using LED array type persistence of vision

Youngmin Kim; Jisoo Hong; Sunghee Hong; Sangkyun Kim; Hoonjong Kang

doi:10.1117/12.2084059

10 March 2015 Hologram-like interactive three-dimensional display using LED array type persistence of vision

Youngmin Kim, Jisoo Hong, Sunghee Hong, Sangkyun Kim, Hoonjong Kang

Proceedings Volume 9386, Practical Holography XXIX: Materials and Applications; 93860V (2015) https://doi.org/10.1117/12.2084059
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

A three-dimensional display using persistence of vision (POV) has its own benefits for natural image expression. Conventional POV display using light emitting diode (LED) array was connected with a high speed motor, so it could be possible to express curved-type two-dimensional display or volumetric three-dimensional display. However, it is necessary to consider interactive three-dimensional display. For example, this kind of volumetric display is hardly applied on interactive display since light emitting parts are placed in the center of a rotating screen. To provide a complementary effort to this need, we propose here a hologram-like interactive volumetric display using LED array type persistence of vision and a pair of parabolic mirrors. We build the volumetric POV display by using small size LED arrays. This POV display is located below a pair of parabolic mirrors so the mirrors make hologram-like volumetric POV images to be reimaged such as 4f system of lenses. Several preliminary experiments will be provided for our proposed method.

Citation Download Citation

Youngmin Kim, Jisoo Hong, Sunghee Hong, Sangkyun Kim, and Hoonjong Kang "Hologram-like interactive three-dimensional display using LED array type persistence of vision", Proc. SPIE 9386, Practical Holography XXIX: Materials and Applications, 93860V (10 March 2015); https://doi.org/10.1117/12.2084059

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KEYWORDS

Light emitting diodes

LED displays

3D displays

Mirrors

3D volumetric displays

3D image processing

Holograms

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