Patent ID: 9276019
Filing Date: 2016-03-01
CPC Classification: G02F,H01L

Claim Text:
1. A method of manufacturing an element substrate comprising: a line forming step of forming lines on a substrate, the line forming step including: forming a second line extending from the first region to the third region; and forming a second check line and a second line connection portion in the third region, the second line connection portion connecting the second line and the second check line; a checking step of inputting a check signal to the plurality of first check lines and the second check line and checking the plurality of first lines and the second line; and a removing step of removing at least a part of one of the first check line and the second check line in the second region and the third region and disconnecting the first line and the first check line and disconnecting the second line and the second check line; wherein in the line forming step,