Patent ID: 8130333

Claim:
An electric optical device comprising: a substrate; a data line and a scan line intersecting each other on the substrate; a pixel electrode provided in a pixel corresponding to an intersection of the data line and the scan line; a transistor provided between the pixel electrode and the substrate, the transistor including: a semiconductor layer having a first source/drain region electrically connected to the data line, a second source/drain region electrically connected to the pixel electrode, and a channel region provided between the first source/drain region and the second source/drain region, a gate electrode provided to be opposed to the channel region, and a gate insulating film provided between the channel region and the gate electrode; a first insulating film provided between the pixel electrode and the gate electrode; a first light blocking film provided between the first insulating film and the gate electrode, the first light blocking film being formed to have a part overlapping with the gate electrode, and being electrically connected to the gate electrode via a first contact hole which is opened in the first insulating film; a second insulating film provided between the semiconductor layer and the substrate; and a second light blocking film provided between the second insulating film and the substrate, the second light blocking film being electrically connected to the first light blocking film via a second contact hole which is opened to penetrate the first insulating film, the gate insulating film, and the second insulating film.