Patent ID: 7791088
Filing Date: 2010-09-07
Classification: G02F,H01L

Abstract:
1. An electrooptic device comprising: a plurality of data lines and a plurality of scanning lines that intersect each other on a substrate; pixels corresponding to intersections of the data lines and the scanning lines; a first conductive layer provided for one of the pixels, a dielectric film provided on the first conductive layer and a second conductive layer provided on the dielectric film, the dielectric film having a first sidewall at an end and the second conductive layer having a second sidewall at an end, the first conductive layer being a pixel-potential-side capacitor electrode, the second conductive layer being a fixed-potential-side capacitor electrode maintained at a fixed potential, and the second conductive layer being positioned above the first conductive layer; a storage capacitor including the first conductive layer, the dielectric film, and the second conductive layer; a thin film transistor having a gate electrode, a source, and a drain, a data line being connected to the source, a scanning line being connected to the gate electrode, and the first conductive layer being connected to the drain; an interlayer insulating film provided above and in contact with the second conductive layer, the interlayer insulating film having a third sidewall at an end; a pixel electrode provided above the second conductive layer and electrically insulated from the second conductive layer; an insulating sidewall covering the first, second, and third sidewalls, the insulating sidewall being a separate layer from the interlayer insulating film; and a connecting conductive film that is disposed on an upper surface of the interlayer insulating film and that covers the insulating sidewall, the connecting conductive film being extended along the thickness of the second conductive layer to electrically connect the first conductive layer with the pixel electrode, the connecting conductive film and the pixel electrode being separate layers from each other and being connected together such that all contact between the connecting conductive film and the pixel electrode completely overlaps the second conductive film in plan view, wherein a portion of the second conductive layer is disposed directly over the gate electrode, the source, and the drain of the thin film transistor, and the connecting conductive film electrically connects the first conductive layer with the pixel electrode without a contact hole in the interlayer insulating film.