TOKYO - A liquid crystal display venture between Hitachi Ltd. and Matsushita Electric Industrial Co. said on Wednesday it would invest about 80 billion yen ($713 million) to double output capacity at a Japan plant to 5 million units by the second half of 2007/08.

The venture, IPS Alpha Technology Ltd., in which Toshiba Corp. also has a stake, currently has a production capacity of 1.6 million units and had already said it would lift that to 2.5 million units by January 2007.