发明名称 |
LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME |
摘要 |
A liquid crystal display device is provided in which the aperture ratio can be increased in a pixel including a thin film transistor in which an oxide semiconductor is used. In the liquid crystal display device, the thin film transistor including a gate electrode, a gate insulating layer and an oxide semiconductor layer which are provided so as to overlap with the gate electrode, and a source electrode and a drain electrode which overlap part of the oxide semiconductor layer is provided between a signal line and a pixel electrode which are provided in a pixel portion. The off-current of the thin film transistor is 1 x 10-13 A or less. A potential can be held only by a liquid crystal capacitor, without a capacitor which is parallel to a liquid crystal element, and a capacitor connected to the pixel electrode is not formed in the pixel portion. |
申请公布号 |
WO2011048945(A1) |
申请公布日期 |
2011.04.28 |
申请号 |
WO2010JP67498 |
申请日期 |
2010.09.29 |
申请人 |
SEMICONDUCTOR ENERGY LABORATORY CO., LTD.;ARASAWA, RYO;SHISHIDO, HIDEAKI;YAMAZAKI, SHUNPEI |
发明人 |
ARASAWA, RYO;SHISHIDO, HIDEAKI;YAMAZAKI, SHUNPEI |
分类号 |
H01L29/786;G02F1/1368 |
主分类号 |
H01L29/786 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|