Aberration improvement of the floating 3D display system based on Tessar array and directional diffuser screen
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The floating 3D display system based on Tessar array and directional diffuser screen is proposed. The directional diffuser screen can smoothen the gap of lens array and make the 3D image’s brightness continuous. The optical structure and aberration characteristics of the floating three-dimensional (3D) display system are analyzed. The simulation and experiment are carried out, which show that the 3D image quality becomes more and more deteriorative with the further distance of the image plane and the increasing viewing angle. To suppress the aberrations, the Tessar array is proposed according to the aberration characteristics of the floating 3D display system. A 3840 × 2160 liquid crystal display panel (LCD) with the size of 23.6 inches, a directional diffuser screen and a Tessar array are used to display the final 3D images. The aberrations are reduced and the definition is improved compared with that of the display with a single-lens array. The display depth of more than 20 cm and the viewing angle of more than 45° can be achieved.
Keywords3D display Image processing Optical design
Supported by BUPT Excellent Ph.D. Students Foundation (CX2016306); Natural National Science Foundation of China (NSFC) (61575025); Program 863 (2015AA015902); the fund of the State Key Laboratory of Information Photonics and Optical Communications.
Supplementary material 1 (MP4 8989 KB)
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