发明名称 |
Light emitting device and electronic equipment using the same |
摘要 |
A pixel suitable for constant current operation of an active matrix type EL display device. The pixel comprises a first switch of which one terminal is connected to a source signal line whereas another terminal is connected to a current-voltage conversion element, a second switch of which one terminal is connected to the current-voltage conversion element whereas another terminal is connected to a voltage storage means and a voltage-current conversion element, a pixel electrode which is connected to the current-voltage conversion element and the voltage-current conversion element, and a third switch of which one terminal is connected to the pixel electrode whereas another terminal is connected to the power source line.
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申请公布号 |
US2005156833(A1) |
申请公布日期 |
2005.07.21 |
申请号 |
US20040022550 |
申请日期 |
2004.12.22 |
申请人 |
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
发明人 |
KOYAMA JUN |
分类号 |
G09G3/30;G09G3/32;(IPC1-7):G09G3/30 |
主分类号 |
G09G3/30 |
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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