发明名称 STRUCTURE FOR IDENTIFYING OBJECT AND OBJECT PROVIDED WITH THAT STRUCTURE
摘要 An inexpensive and hard-to-forge structure for identifying a generally distributed object exhibiting high identification properties. The identification structure employs a single layer cholesteric liquid crystal film which is substantially colorless and transparent when viewed from the front side and colored when viewed from a specified oblique direction.
申请公布号 KR20060028440(A) 申请公布日期 2006.03.29
申请号 KR20057025489 申请日期 2005.12.30
申请人 NIPPON OIL CORPORATION 发明人 NISHIMURA SUZUSHI;SEKI TAKASHI;IMAFUKU HIROSHI
分类号 G06K7/10;B42D15/10;G02B5/30;G06K19/06;G06K19/16 主分类号 G06K7/10
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