High contrast projection
A method and system for improving the contrast ratio of a projected image. An asymmetric aperture stop within a lens is used to provide a 20-30% improvement in the contrast ratio of a projected image when used with offset projection. Using slightly offset projection, the majority of the on-state pro...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
28.10.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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