发明名称 |
DEVICE SUBSTRATE AND LIGHT-EMITTING DEVICE |
摘要 |
It is intended to provide a light-emitting device capable of suppressing an off-current of a switching transistor and luminosity irregularity of light-emitting elements of pixels otherwise caused by variation in characteristics of the driving transistors without increasing capacitance of a capacitance element and an element substrate. <??>A potential of a gate of the driving transistor is fixed, and the driving transistor is operated in a saturation area, so that a current can be supplied thereto anytime. A current control transistor operating in a linear area is disposed serially with the driving transistor, and a video signal for transmitting a signal of emission or non-emission of the pixel is input to a gate of the current control transistor via a switching transistor. <IMAGE> |
申请公布号 |
EP1607931(B1) |
申请公布日期 |
2014.01.08 |
申请号 |
EP20040721308 |
申请日期 |
2004.03.17 |
申请人 |
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
发明人 |
OSAME, M.;ANZAI, A.;YAMAZAKI, Y.;FUKUMOTO, R. |
分类号 |
G09G3/32;G09G3/14;G09G3/20;G09G3/30;H01L21/77;H01L27/12;H01L27/32;H05B33/00;H05B33/14 |
主分类号 |
G09G3/32 |
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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