Patent ID: 9373292
Filing Date: 2016-06-21
CPC Classification: G09G,H01L

Claim Text:
1. A display device comprising: a substrate; a semiconductor layer over the substrate; a source electrode electrically connected to the semiconductor layer; a drain electrode electrically connected to the semiconductor layer; a first insulating film over the source electrode and the drain electrode, the first insulating film with an opening; a conductive layer over the first insulating film; a second insulating film over the conductive layer; and a pixel electrode over the second insulating film, wherein the pixel electrode is electrically connected to the drain electrode, wherein the pixel electrode comprises a first portion, a second portion, a third portion, and a fourth portion, wherein the fourth portion is above the third portion, the third portion is above the second portion, and the second portion is above the first portion, wherein the first portion comprises a surface along the first insulating film, wherein an undersurface of the second portion is approximately parallel to a surface of the substrate, wherein the third portion comprises a surface along the second insulating film, and wherein an undersurface of the fourth portion is approximately parallel to the surface of the substrate.