Security device
First Claim
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1. A security device, comprising:
- a first electrode member;
a second electrode member including a transparent security display region; and
an electrochromic material positioned between said first electrode member and said second electrode member in said transparent security display region.
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Accused Products
Abstract
Embodiments of a security device utilizing electrochromic material are disclosed.
11 Citations
21 Claims
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1. A security device, comprising:
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a first electrode member; a second electrode member including a transparent security display region; and an electrochromic material positioned between said first electrode member and said second electrode member in said transparent security display region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of using a security device, comprising:
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generating a potential difference between a first electrode and a second electrode of a security device, said second electrode including a transparent region; said potential difference moving an electrochromic material positioned between said first and second electrodes from an unactivated condition to an activated condition; and said electrochromic material in said activated condition generating a visible security indication through said transparent region of said second electrode. - View Dependent Claims (16, 17, 18, 19)
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20. A method of making a security tag, comprising:
forming a layered structure including a first electrode, a second electrode including a transparent security display region, and an electrochromic material positioned between said first and second electrodes. - View Dependent Claims (21)
Specification