The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 27, 2016
Filed:
Aug. 04, 2011
Yoko Sekine, Tokyo-To, JP;
Manabu Yamamoto, Ichikawa, JP;
Mitsuru Kitamura, Tokyo-to, JP;
Tsuyoshi Yamauchi, Abiko, JP;
Akiko Kitamura, Nagareyama, JP;
Sakurako Hatori, Nagareyama, JP;
Yoko Sekine, Tokyo-To, JP;
Manabu Yamamoto, Ichikawa, JP;
Mitsuru Kitamura, Tokyo-to, JP;
Tsuyoshi Yamauchi, Abiko, JP;
Akiko Kitamura, Nagareyama, JP;
Sakurako Hatori, Nagareyama, JP;
Dai Nippon Printing Co., Ltd., Shinjuku-Ku, JP;
Abstract
A light-emitting medium including a light-emitting image having a pattern area formed on a substrate by using a first fluorescent ink containing a first fluorescent material, a background area formed on the substrate by using a second fluorescent ink containing a second fluorescent material, and a overcoat layer formed on the first fluorescent material of the pattern area and the second fluorescent material of the background area. The first fluorescent material is made of a fluorescent material which emits light of blue color when UV-A is irradiated, and emits light of red color when UV-C is irradiated. The second fluorescent material is made of a fluorescent material which emits light of blue color or light of a color that is viewed as the same color as the blue color when the UV-A is irradiated, and emits light of green color when the UV-C is irradiated.