Patent ID: 6502324
Filing Date: 2003-01-07
Classification: G02F

Abstract:
A method of alignment between a first sheet material having a specified pattern formed thereon and made of a transmissive material, the first sheet material being a liquid crystal display cell including, as the specified pattern, signal and gate lines and a black matrix covering these lines disposed in a matrix shape;and a second sheet material laminated on the first sheet material, comprising the steps of: setting a focus of a microscope disposed on the first sheet material side on the first sheet material in a laminated state of the first and second sheet materials to perform measurement for a position of a specified portion of the first sheet material, said measurement being performed for a position of the liquid crystal display cell based on one selected from the signal line, the gate line and the black matrix; setting the focus of the microscope on the second sheet material to perform measurement for a position of a specified portion of the second sheet material; and performing alignment between the first and second sheet materials based on the measured positions of the first and second sheet materials.