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Patent Searching and Data


Title:
DISPLAY BODY
Document Type and Number:
Japanese Patent JP2011095465
Kind Code:
A
Abstract:

To provide a display body excellent in forgery prevention effect such that diffraction light accompanied by spectral separated light is emitted when being inclined although a white color pattern is recognized from the front.

The display body has a rugged structural area in which a plurality of recessed parts and/or protrusion parts two-dimensionally arrayed, and a reflection layer with which at least a part of the rugged structural area is covered, on one side principal surface of a light transmission layer, wherein the plurality of recessed parts and/or protrusion parts in the rugged structural area has the minimum center-to-center distance which falls into the range of 200 to 500 nm, has a specified periodicity and has uneven depth of the recessed parts and/or uneven height of the protrusion parts.


Inventors:
WATANABE MANABU
Application Number:
JP2009248686A
Publication Date:
May 12, 2011
Filing Date:
October 29, 2009
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
G02B5/32; B42D15/10; G02B5/18
Domestic Patent References:
JP2009175221A2009-08-06
JP2002341809A2002-11-29
JP2001259517A2001-09-25
JP2003531404A2003-10-21
JP2009175221A2009-08-06
JP2002341809A2002-11-29
JP2001259517A2001-09-25