Samsung Sues Chinese Rival Over iPhone Display Patents

San Francisco: South Korea’s Samsung Display has filed a lawsuit against BOE Technology, accusing the Chinese rival of infringing five of its patents for displays used in mobile devices including Apple’s iPhone 12.

Samsung Display, a unit of Samsung Electronics, asked a federal jury in Texas to award damages for the infringement of patents regarding organic light emitting diode (OLED) displays supplied by BOE. Samsung also seeks an injunction from the court to halt the import and sale of the affected displays.

The case was filed on Wednesday with the US court in East Texas, which has a reputation for quicker hearings and decisions on cases.

Apple has been using OLED displays on some of its Apple Watch and iPhone models, including the latest iPhone 14. Apple says OLED delivers high resolution and allows for a thinner display than a traditional display.

The OLED display market is dominated by Samsung Display, with BOE narrowing the gap, overtaking South Korea’s LG Display as the No. 2 player last year, according to market researcher Omdia.

“Samsung Display has suffered, and will continue to suffer, irreparable harm as a result of Defendants’ infringement of the ‘599 Patent’ for which there is no adequate remedy at law unless Defendants’ infringement is enjoined by this Court,” the lawsuit says, referring to the 599 patent, which improves the image quality of a device.

In December, Samsung Display filed a complaint with the U.S. International Trade Commission, alleging patent infringement by numerous companies selling OLED screens as replacement displays for mobile devices, triggering an investigation by the agency.

Samsung and Apple did not immediately respond to requests for comments.

Samsung Display executive Choi Kwon-young said in January last year that the company was actively seeking ways to receive compensation for its intellectual property, in response to an analyst question about rising competition in the mobile OLED screen market.

South Korea is a manufacturing powerhouse for items ranging from chips and displays to automobiles, but South Korean companies have been facing a growing threat from rivals in China.

Last month, a former executive at Samsung Electronics was indicted on suspicion of stealing company technology for a copycat chip factory in China and jeopardizing national economic security, prosecutors said.

Karter Wanda

"Karter Wanda is an online news blogger with a passion for uncovering and sharing stories that matter. With a strong knowledge of online research and news headlines, he has covered a wide range of topics, from breaking news and politics to culture and lifestyle. As an online news blogger, Karter Wanda brings a unique perspective to his writing, combining rigorous reporting with a conversational and engaging style. He is committed to providing accurate and reliable information to his readers and is always on the lookout for emerging trends and stories that are of interest to the online community. In addition to his work as a blogger, Karter Wanda is a regular contributor to, where he has written in-depth features and analysis on various topics. He is also a sought-after speaker and commentator on issues related to politics."

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