Super multi-view and holographic displays using MEMS devices |
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| Affiliation: | 1. Liquid Crystal Institute, Kent State University;1. School of Engineering, Deakin University, Geelong, Victoria 3216, Australia;2. Micro Nano Research Facility (MNRF), RMIT University, Melbourne, Victoria 3000, Australia;3. Melbourne Centre for Nanofabrication, Clayton 3168, Australia;4. School of Electrical and Electronic, Sadjad University of Technology, Mashad, Iran;1. School of Materials Science & Engineering, Xi’an Polytechnic University, Xi’an, Shaanxi, 710048, PR China;2. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, Shaanxi, 710072, PR China;3. School of Materials Science and Engineering, Liaocheng University, Liaocheng, Shandong, 252059, PR China;1. Shanghai Academy of Spacelight Technology, Shanghai 201109, China;2. Shanghai Key Laboratory of Spacecraft Mechanism, Shanghai 201109, China;3. Aerospace System Engineering Shanghai, Shanghai 201109, China;1. School of Mechanical Engineering, Pusan National University, 30 Jangjeon-dong, Busan 46241, Republic of Korea;2. School of Material Science and Engineering, Pusan National University, 30 Jangjeon-dong, Busan 46241, Republic of Korea;3. Department of Metallurgical and Materials Engineering, Colorado School of Mines, 1500 Illinois St., Golden, CO 80401, USA;4. Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea |
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| Abstract: | Holographic displays and super multi-view (SMV) displays have been developed to solve the accommodation–vergence conflict that is responsible for visual fatigue caused by the 3D images that are generated by conventional three-dimensional (3D) displays upon which the eye cannot focus. However, holographic and SMV displays provide 3D images upon which the eye can readily focus so that the accommodation–vergence conflict does not occur. Because these two display techniques require the generation of a very large amount of image data, the high data bandwidth of microelectromechanical (MEMS) devices is effectively utilized. The present article describes the holographic display system that employs a MEMS spatial light modulator (SLM), which increases the screen size and viewing zone angle. Two SMV displays are also described, where one employs MEMS SLMs and the other an array of MEMS projectors. The resolution and the number of viewpoints of the SMV displays have increased. Moreover, the technique using a MEMS SLM to eliminate speckles from holographic reconstructed images is also described. |
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| Keywords: | 3D display Holography Super multi-view display MEMS spatial light modulator MEMS scanner Visual fatigue |
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