Invention Grant
- Patent Title: Pattern printed transparent sheet
- Patent Title (中): 图案印刷透明片
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Application No.: US12010214Application Date: 2008-01-22
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Publication No.: US08367189B2Publication Date: 2013-02-05
- Inventor: Keiko Sekine , Yuichi Miyazaki
- Applicant: Keiko Sekine , Yuichi Miyazaki
- Applicant Address: JP Tokyo
- Assignee: Dai Nippon Printing Co., Ltd
- Current Assignee: Dai Nippon Printing Co., Ltd
- Current Assignee Address: JP Tokyo
- Agency: Smith Patent Office
- Priority: JP2007-012836 20070123
- Main IPC: B44F1/06
- IPC: B44F1/06

Abstract:
A non-visible light reflective pattern-printed transparent sheet having a broad read angle is provided. The above transparent sheet is a pattern-printed transparent sheet in which a transparent substrate comprises a base material and a primer layer, and a non-visible light reflective transparent pattern is printed on the surface of the primer layer; an ink constituting the transparent pattern described above contains a material having a wavelength selective reflectivity to a wavelength in an infrared or ultraviolet region; the primer layer described above comprises a primer composition repelling the ink described above; when a cross section obtained by cutting the transparent pattern described above in a face orthogonal to the above transparent substrate is observed under a scanning electron microscope, the transparent pattern described above comprises a multilayer structure comprising a fixed repeating cycle and having a curved part and reflect selectively one of a left circularly polarized light component and a right circularly polarized light component in an incident light.
Public/Granted literature
- US20080182041A1 Pattern printed transparent sheet Public/Granted day:2008-07-31
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