21 March 2018 Color moirés in contact-type three-dimensional displays
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Abstract
Color moirés induced at contact-type multiview three-dimensional and light-field imaging are reviewed, slanted color moirés are introduced, and the reason why they become invisible as the slanting angle increases is explained. The color moirés in the imaging are induced by the structural uniqueness of the imaging, i.e., viewing zone-forming optics (VZFO) on the display panel. The moirés behave differently from those by the beating effect. They are (1) basically chirped, (2) their fringe numbers and phases are also varying according to the changes in viewer’s viewing positions and viewing angles at a given viewing distance, (3) the pattern period of the VZFO is at least more than several times that of the pixel pattern, and (4) they are colored. The color moirés can hardly be eliminated because they are induced structurally, but they can be minimized by either reducing the regularity of the pixel pattern using a diffuser between the panel and the VZFO or aligning VZFO’s pattern to have a certain slanting angle with the pixel pattern in the panel.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)
Hyoung Lee, Hyoung Lee, Jung-Young Son, Jung-Young Son, Beom-Ryeol Lee, Beom-Ryeol Lee, Sumio Yano, Sumio Yano, } "Color moirés in contact-type three-dimensional displays," Optical Engineering 57(6), 061612 (21 March 2018). https://doi.org/10.1117/1.OE.57.6.061612 . Submission: Received: 30 October 2017; Accepted: 20 February 2018
Received: 30 October 2017; Accepted: 20 February 2018; Published: 21 March 2018
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