On November 20 message, according to an official said South Korea's Samsung Electronics, the company has the world's second-largest liquid crystal display manufacturers - LG Display sued the judgment OLED panel technology which is invalid.

In a lawsuit filed to the local intellectual property rights tribunal, Samsung claimed that LG Display has seven patents invalid due to a lack of innovation.

In September of this year, LG Display proceedings to the technology giant Samsung Electronics said its product - including global hot Galaxy S smartphone and Galaxy Tab tablet PC - violations of the OLED technology patents.

In contrast with LCD that need backlight components, OLED panel supports a slim design and a more vivid image, which also led to TV manufacturers have begun to make use of this new technology.

Fellow Korean company, Samsung and LG for the same scope of business and long-standing grudges. LG Display's parent company LG Electronics has been the second child of ten thousand years of the domestic mobile phone market, ranked Samsung; while LG Display and Samsung also compete in the global display market top spot in the struggle with the fierce battle.