Nintendo warned that young children shouldn't play three-dimensional games on a hotly anticipated new game device, citing possible health risks and raising concerns about a technology that many hoped would boost the appeal of 3-D entertainment in the home.

Hitachi said Monday nothing had been decided with respect to a tie-up with Taiwanese electronics manufacturing services firm Hon Hai Precision Industry Co, also known as Foxconn.

Sony Computer Entertainment chief Kaz Hirai has said that the next PSP could boast both a touch screen and conventional controls to give casual and hard-core gamers the opportunity to play titles in a way they prefer.

Toshiba will spend about US$1.19 billion to build a new fabrication plant to produce the panels for Apple.