Display device and electronic device

摘要

A novel display device capable of excellent reflective display is provided. The display device includes a transistor including a gate electrode layer, a gate insulating layer over the gate electrode layer, a semiconductor layer over the gate insulating layer, and a source electrode layer and a drain electrode layer over the gate insulating layer and the semiconductor layer; a reflective electrode layer on the same plane as the source electrode layer and the drain electrode layer; a coloring layer overlapping with the reflective electrode layer; a pixel electrode layer overlapping with the coloring layer; and an anti-oxidation conductive layer connected to one of the source electrode layer and the drain electrode layer. The pixel electrode layer is connected to the transistor through the anti-oxidation conductive layer.

主权项

1. A display device comprising:
a transistor over a substrate, the transistor comprising:
a semiconductor layer; andsource and drain electrode layers over and in contact with the semiconductor layer; and an insulating layer over the source and drain electrode layers,
wherein one of the source and drain electrode layers is a stacked-layer structure of two layers,wherein the other of the source and drain electrode layers is a stacked-layer structure of three layers, and wherein the insulating layer is in contact with a top surface of the one of the source and drain electrode layers and a top surface of the other of the source and drain electrode layers.