Electro-optical device and electronic apparatus

Patent metadata

Field	Value
Publication number	US-2016077395-A1
Application number	US-201514951862-A
Country	US
Kind code	A1
Filing date	Nov 25, 2015
Priority date	Jan 5, 2009
Publication date	Mar 17, 2016
Grant date	—

Abstract

An electro-optical device includes a first light shielding film; a transistor element formed on the first light shielding film to overlap the first light shielding film; a second light shielding film formed on the transistor element to overlap the transistor element and electrically connected to an input terminal of the transistor element; a transparent conductive film extended toward an upper layer side of the second light shielding film in an opening region, through which light penetrates, of the display region; a dielectric film formed on the transparent conductive film in the opening region; and a transparent pixel electrode formed on the dielectric film in the opening region, constituting a storage capacitor together with the transparent conductive film and the dielectric film, and having a transparent pixel electrode which is electrically connected to the transistor element.

First claim

What is claimed is:

1 . An electro-optical device comprising:
a substrate; a scanning line disposed over the substrate, the scanning line extends along a first direction; a semiconductor layer disposed over the scanning line, the semiconductor layer overlapped with the scanning line; a data line disposed over the semiconductor layer, the data line is electrically connected to the semiconductor layer, the data line extends along a second direction that intersects the first direction; a relay layer disposed over the semiconductor layer, the relay layer electrically connected to the semiconductor layer; a capacitor electrode disposed over the data line, the capacitor electrode has an aperture portion; a pixel electrode disposed over the capacitor electrode; and a dielectric film disposed between the capacitor electrode and the pixel electrode, the dielectric film constitutes a storage capacitor together with the capacitor electrode and the pixel electrode, wherein each of the scanning line, the data line, and the relay layer are made of a light shielding material, each of the capacitor electrode, the dielectric film, and the pixel electrode are made of a transparent material, the capacitor electrode is overlapped with the pixel electrode in an opening region through which a light penetrates, the semiconductor layer extends along the first direction, the relay layer protrudes to the opening region in the second direction, and the relay layer electrically connected to the pixel electrode via a contact hole disposed in the aperture portion of the capacitor electrode.

2 . The electro-optical device according to claim 1 ,
wherein the data line and the relay layer are disposed as a same layer.

3 . The electro-optical device according to claim 1 ,
wherein the pixel electrode is connected directly to the relay layer.

4 . The electro-optical device according to claim 1 ,
wherein the contact hole is disposed so as not to overlap with the scanning line.

5 . An electronic apparatus comprising the electro-optical device according to claim 1 .

Assignees

• Seiko Epson Corp

Inventors

• Iki Takunori

Classifications

• H10D86/481

  integrated with passive devices, e.g. auxiliary capacitors · CPC title

• H10D30/6723

  having light shields · CPC title

• H10D86/441 Primary

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60 Primary

  wherein the TFTs are in active matrices · CPC title

• G02F1/136213 Primary

  Storage capacitors associated with the pixel electrode · CPC title