Method of manufacturing large-sized thin film transistor liquid crystal display panel

A method of manufacturing a large-sized thin film transistor liquid crystal display panel, the method comprising the steps of:

• preparing a plurality of large-sized thin film transistor liquid crystal display panels arranged in a form of a matrix on a glass substrate, each of the panels having a plurality of thin film transistors formed on a polyimide substrate, each of the transistors having a three-layer gate structure including a first Cr thin film formed on the polyimide substrate, a Cu thin film formed on the first Cr thin film and a second Cr thin film formed on the Cu thin film;
• bonding said thin film transistor liquid crystal display panels arranged thus to the glass substrate by using epoxy resin to achieve the large-sized thin film transistor liquid crystal display panel;
• filling up an interface between the large-sized thin film transistor liquid crystal panels with polyimide;
• and
• electrically connecting respective drain bus lines and gate bus lines of said large-sized thin film transistor liquid crystal display panels arranged in the matrix form by metallization using Cu thin film having a width of 10-30 .mu.m, the respective drain bus lines being connected electrically to respective drain bus lines of adjacent large-sized thin film transistor panel through via holes in the polyimide substrate, and each of the via holes being filled up with Cu material to achieve electrical connection between the large-sized thin film transistor liquid crystal display panels.