申请人:CANON KABUSHIKI KAISHA
公开号:US10647142B2
公开(公告)日:2020-05-12
In a thermal transfer recording sheet including a base material and a colorant layer, the colorant layer includes a yellow dye layer containing a yellow dye, a magenta dye layer containing a magenta dye, and a cyan dye layer containing a cyan dye, and the cyan dye includes a compound represented by Formula (1a) or Formula (1b):
where R1 to R7 are substituents, X− is an anion, and the compound of Formula (1b) has at least one anionic substituent.
在包括基底材料和着色剂层的热转印记录纸中,着色剂层包括含有黄色染料的黄色染料层、含有品红色染料的品红色染料层和含有青色染料的青色染料层,青色染料包括由式(1a)或式(1b)表示的化合物:其中 R1 至 R7 是取代基,X- 是阴离子,式(1b)的化合物具有至少一个阴离子取代基。