Abstract: The general scheme of an injection mold for a large LCD TV panel was determined. For better surface finish, a specific heating/cooling system and temperature control system were designed. The runner system, which starts from a pin valve hot runner system and turn to cold runner and tunnel gates, was obtained. Lifters which work for smooth injection and pulling side cores were used. The venting system and the material for cavity were introduced. The assembly drawing was shown and the mold's working process was described at last. The mold has been put into practice,obtaining high quality products.

Key words: high gloss mold, rapid cooling, rapid heating, hot runner, temperature detecting pin, lifter, runner system