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US 9,643,444 B2Granted
Identification medium
AssigneeNHK Spring Co., Ltd.
InventorsHidekazu Hoshino, Itsuo Takeuchi, Tohru Ida, Seiya Shibuya
Life of this patent
Estimating the term…
Abstract
An identification medium can be affixed to cloth or leather products by sewing. A cholesteric liquid crystal layer on which an embossed surface for forming a hologram is formed, is sandwiched between a first supporting member and a second supporting member. A mounting region that can be affixed to clothing, etc., by sewing, is formed.
Claims15
An identification medium comprising
- a cholesteric liquid crystal layer on which a hologram is formed,
- a first supporting member and a second supporting member between which the cholesteric liquid crystal layer is sandwiched, and at least one thereof is made of transparent material which does not disturb circularly polarized light reflected from the cholesteric liquid crystal layer, and
- a mounting region to be sewn onto an object, the first supporting member and the second supporting member extending to the mounting region and being adhered directly to each other by an adhesive layer in the mounting region, wherein
- the first supporting member is a polyurethane film or a cloth, and the cholesteric liquid crystal layer is affixed to both of the first supporting member and the second supporting member by adhesive layers.
1 more element
An identification medium comprising
- a cholesteric liquid crystal layer on which a hologram is formed,
- a first supporting member and a second supporting member between which the cholesteric liquid crystal layer is sandwiched, and at least one thereof is made of transparent material which does not disturb circularly polarized light reflected from the cholesteric liquid crystal layer, and
- a mounting region to be sewn onto an object, the first supporting member and the second supporting member extending to the mounting region and being adhered directly to each other by an adhesive layer in the mounting region, wherein
- the first supporting member is a polyurethane film.
1 more element
Dependencies are inferred from the claim text.