MoirÉ Minimization Condition in Three-Dimensional Image Displays

A moirÉ minimization condition is found analytically for the contact-type three-dimensional (3-D) imaging systems by approximating 3-D displays as four superposed sine gratings. Finding maximization conditions for two-dimensional (2-D) waves in this structure provides minimization of moirÉs. The glo...

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Bibliographic Details
Published in:Journal of display technology 2005-12, Vol.1 (2), p.347-353
Main Authors: Saveljev, V.V., Son, J.-Y., Javidi, B., Kim, S.-K., Kim, D.-S.
Format: Article
Language:English
Subjects:
Approximation
Computer displays
Contact-type 3-D display
Displays
Gratings
Image analysis
Liquid crystal displays
Mathematical analysis
Maximization
Minimization
MoirÉs
Optical arrays
Optical imaging
Optical interferometry
Optimization
Printing
stable MoirÉ minimization condition
superposed square grid
superposing angle
Three dimensional
Three dimensional displays
Two dimensional displays
wavenumber
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Summary:A moirÉ minimization condition is found analytically for the contact-type three-dimensional (3-D) imaging systems by approximating 3-D displays as four superposed sine gratings. Finding maximization conditions for two-dimensional (2-D) waves in this structure provides minimization of moirÉs. The global extremum was found at a certain angle which does not depend on the period. Experiments confirm the analytical findings. Practical advantage of using that angle is in its wide areas of applications: 3-D displays can be made to have almost invisible moirÉs with using this angle without regards to other specific parameters like pixel size and pitch of the screen.
ISSN:1551-319X
1558-9323
DOI:10.1109/JDT.2005.858869