发明名称 |
Portable information apparatus with active matrix electroluminescent display |
摘要 |
There is provided a portable information apparatus including an EL display device which can reduce consumed electric power at the time when a still picture is displayed. In the EL display device included in the portable information apparatus, a plurality of memory circuits and a D/A converter are arranged in a pixel. When the EL display device displays the still picture, picture display functions other than the EL display device and control circuits for controlling the EL display device are stopped, so that the portable information apparatus capable of reducing the consumed electric power can be obtained. |
申请公布号 |
EP1182636(A3) |
申请公布日期 |
2009.10.14 |
申请号 |
EP20010120262 |
申请日期 |
2001.08.23 |
申请人 |
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
发明人 |
YAMAZAKI, SHUNPEI;KOYAMA, JUN |
分类号 |
G06F15/02;G09G3/32 |
主分类号 |
G06F15/02 |
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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