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Proceedings Paper

Fabricating polymeric microretardation arrays for autostereoscopic display system by CO2-laser heat processing technology
Author(s): Chao-Hsu Tsai; KuenJin Lee; KuoChung Huang; Chih-Kung Lee
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Paper Abstract

A micro-retardation array is a plate consisting of two or more optical retardation states that are micro-patterned within different regions of the plate. A LCD panel with the micro-retardation array can be used to display stereoscopic images watched with or without special glasses by encoding right-eye image and left-eye image with periodically horizontal stripes of different polarization states. For example, the odd rows of stripes are assigned to have zero retardation and the even rows of stripes with a half- wavelength retardation or vice versa. The width of each stripe is of the order of hundreds of microns. This paper describes a fabrication process of micro-retardation array with high contrast ratio, well-defined stripe boundary and green process. The fact that the retardation property of polymer film will be changed by heat process is used in this fabrication process. It is shown that by accurately controlling the power and spot-size of a CO2 laser, the retardation property of a polymeric film, such as PC and ARTON can be tailored within a localized area without altering the retardation of the untreated areas. In addition, the contrast ratios of micro-retardation array are measured and analyzed, the performance of an autostereoscopic display system using the micro-retardation array is also described.

Paper Details

Date Published: 3 May 2000
PDF: 11 pages
Proc. SPIE 3957, Stereoscopic Displays and Virtual Reality Systems VII, (3 May 2000); doi: 10.1117/12.384458
Show Author Affiliations
Chao-Hsu Tsai, Industrial Technology Research Institute (Taiwan)
KuenJin Lee, Industrial Technology Research Institute (Taiwan)
KuoChung Huang, Industrial Technology Research Institute (Taiwan)
Chih-Kung Lee, National Taiwan Univ. (Taiwan)

Published in SPIE Proceedings Vol. 3957:
Stereoscopic Displays and Virtual Reality Systems VII
John O. Merritt; Mark T. Bolas; Stephen A. Benton; Andrew J. Woods; Mark T. Bolas, Editor(s)

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