| 发明名称 | IC card | ||
| 摘要 | An IC card having a secondary battery, which causes no increase in thickness and also has excellent safety, is provided. The IC card includes an antenna coil for inducing electric power by electromagnetic induction, a thin-film battery for storing electric power induced by the antenna coil, and a control portion for controlling the storage of the electric power from the antenna coil in the thin-film battery. The thin-film battery includes a positive electrode, a negative electrode, and a solid electrolyte layer between the positive electrode and the negative electrode. | ||
| 申请公布号 | US8786250(B2) | 申请公布日期 | 2014.07.22 |
| 申请号 | US200812933445 | 申请日期 | 2008.12.24 |
| 申请人 | Sony Corporation | 发明人 | Furuya Tatsuya;Takahara Katsunori;Morioka Hiroyuki |
| 分类号 | H02J7/00 | 主分类号 | H02J7/00 |
| 代理机构 | K&L Gates LLP | 代理人 | K&L Gates LLP |
| 主权项 | 1. An IC card comprising: an antenna coil for inducing electric power by electromagnetic induction; a thin-film battery for storing electric power induced by the antenna coil, wherein: the thin-film battery includes a positive electrode, a negative electrode, and an electrolyte between the positive electrode and the negative electrode,the positive electrode and the negative electrode each include a collector made of as a main component a transparent electric conductor, andthe transparent electric conductor is an oxide of indium and tin; a flexible display portion for displaying information and powered by the electric power from the antenna coil in the thin-film battery; a control portion for controlling the display of information and the storage of the electric power from the antenna coil in the thin-film battery; and a flexible remaining-level indicator portion for visually checking a change in a color of the transparent electric conductor. | ||
| 地址 | Tokyo JP | ||