专利检索 ap:("Dai Nippon Printing Co., Ltd.") AND inv:"SUGIHARA, Daijiro" 第 1 页

1.

发明公开
THERMAL TRANSFER SHEET, PRINTING SHEET, AND THERMAL TRANSFER PRINTING DEVICE 审中-公开

公开(公告)号：EP3530477A1

公开(公告)日：2019-08-28

申请号：EP18841727.3

申请日：2018-07-31

申请人： Dai Nippon Printing Co., Ltd.

发明人： KOBAYASHI, Yoshimasa , SUGIHARA, Daijiro , IESHIGE, Munenori , HASHIBA, Makoto

IPC分类号： B41M5/382 , B41J2/325 , B41J17/36 , B41M5/40 , B41M5/52

摘要： There is provided a thermal transfer sheet capable of being identified by a thermal transfer printing apparatus, as well as being capable of preventing color property changes in high-resolution printing and reducing production cost. The thermal transfer sheet (5) of an embodiment includes a dye layer (52) and a protective layer (54) on one surface of a substrate (50). The protective layer (54) contains an invisible light absorbing material and is provided with an identification mark (55) having at least one of a recessed portion and a protruding portion.