发明名称 |
PORTABLE ELECTRONIC DEVICE |
摘要 |
A portable electronic device that can operate even when electric power supplied through contactless charge by electromagnetic induction is low is provided. The portable electronic device includes a reflective liquid crystal display which includes a transistor including an oxide semiconductor, a power source portion which includes a rechargeable battery capable of charge by contactless charge, and a signal processing portion which includes a nonvolatile semiconductor memory device. In the portable electronic device, electric power stored in the rechargeable battery is used in the reflective liquid crystal display and the signal processing portion. |
申请公布号 |
WO2011089849(A1) |
申请公布日期 |
2011.07.28 |
申请号 |
WO2010JP73890 |
申请日期 |
2010.12.27 |
申请人 |
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.;YAMAZAKI, SHUNPEI;KOYAMA, JUN |
发明人 |
YAMAZAKI, SHUNPEI;KOYAMA, JUN |
分类号 |
H02J7/00;G02F1/133;G06F1/26;G09F9/00;G09G3/20;G09G3/36;H01L21/8242;H01L21/8247;H01L27/108;H01L27/115;H01L29/786;H01L29/788;H01L29/792;H02J17/00;H04M1/02 |
主分类号 |
H02J7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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