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Posted : 2012-12-27 20:30
Updated : 2012-12-27 20:30

LG files injunction against Samsung

By Cho Mu-hyun

LG Display, the display panel arm of LG Group, said Thursday that it has filed an injunction against Samsung Electronics and Samsung Display to the court, demanding that Samsung stop production of the Galaxy Note 10.1 due to patent infringements.

The company filed the case late Wednesday at Seoul Central District Court requesting that it stop Samsung Electronics from making "the Galaxy Note 10.1 using LG Display technology." Samsung Display supplies LCD panels to its electronics affiliate.

LG claimed that the device infringed three of its patents related to liquid crystal display (LCD) technology. "Samsung infringed on our key technology for IPS (in-plane switching) LCD panels," said a spokesman for the firm.

A Samsung spokesman said it would "scrutinize every aspect of LG's claim and take all necessary action to protect what is ours."

According to the Yeouido-based firm, the three patents in question were developed by it in 1996 and are used in all tablets. It is requesting that its rival pay 1 billion won daily if production of the Galaxy Note 10.1 isn't stopped.

The Suwon, Gyeonggi-based firm, filed a separate case to the same court Dec. 7 claiming that LG violated seven of its LCD-related patents. It claimed that panels used in LG's Optimus G violated its plane to line switching (PLS) technology. IPS and PLS are both variants of LCD technology.

This is the fifth lawsuit this year that the two rivals have thrown at each other, which industry observers believe to be evidence of their strategic fighting to take the lead in the lucrative panel business.

Displays are in high-demand due to the popularity of touch-screen mobile devices. The two are also the duopoly of television panels globally, which uses the same technology.

Last month, Samsung requested the Korean Intellectual Property tribunal that seven LG-owned patents related to organic light-emitting diodes (OLED) be nullified.

The two's feud started in April when authorities arrested 11 men, some of them from LG, for stealing OLED technology designs from Samsung.


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