Optical articles and systems interacting with the same
Optical articles including a spatially defined arrangement of a plurality of data rich retroreflective elements, wherein the plurality of retroreflective elements comprise retroreflective elements having at least two different retroreflective properties and at least two different optical contrasts w...
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Main Authors | , , , , , , , , , , , , , , , , |
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Format | Patent |
Language | English |
Published |
28.06.2022
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Subjects | |
Online Access | Get full text |
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Summary: | Optical articles including a spatially defined arrangement of a plurality of data rich retroreflective elements, wherein the plurality of retroreflective elements comprise retroreflective elements having at least two different retroreflective properties and at least two different optical contrasts with respect to a background substrate when observed within an ultraviolet spectrum, a visible spectrum, a near-infrared spectrum, or a combination thereof. |
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Bibliography: | Application Number: US201716486382 |