Patent ID: 7655510
Filing Date: 2010-02-02
Classification: G03B,H01L

Abstract:
1. A display panel manufacturing method in which a step of forming a thin film on a substrate and a step of etching the thin film are repeated a plurality of times in order to form on the substrate a plurality of scanning signal lines, a plurality of video signal lines that three-dimensionally intersects the plurality of scanning signal lines with an insulating layer between them, and TFT elements and pixel electrodes each disposed in a pixel area enclosed with two adjacent scanning signal lines and two adjacent video signal lines, the display panel manufacturing method comprising the steps of: (1) forming a photosensitive resist film on the thin film formed on the substrate; (2) exposing the resist film using exposure dimensions numerically expressed based on design patterns prepared in advance; (3) developing the resist film, which is exposed at the second step, so as to form etching resists; (4) etching the thin film using the etching resists formed at the third step so as to form thin-film patterns that reflect the respective design patterns; (5) measuring the complete dimensions of the thin-film patterns formed at the fourth step; and (6) correcting the design patterns on the basis of the complete dimensions of the thin-film patterns measured at the fifth step, wherein after the design patterns are corrected at the sixth step, the resist film is exposed at the second step using exposure dimensions numerically expressed based on the corrected design patterns.