Samsung has been ordered to pay US$191.4 million (A$295 million) after a jury found the tech giant infringed two OLED display patents owned by Ireland-based Pictiva Displays.

The US jury found that a wide range of Samsung’s OLED-equipped devices, including its Galaxy smartphones, TVs, laptops and wearables, used patented technology without authorisation.

The disputed patents relate to pixel-driving circuitry that enhances OLED screen brightness, resolution and power efficiency.

Pictiva, a subsidiary of Key Patent Innovations, argued that Samsung’s products incorporated its inventions for maintaining uniform screen brightness and reducing image burn-in.

Samsung denied the claims, claiming the patents were invalid and the technology was already known in prior art.

Despite Samsung’s arguments, the jury sided with Pictiva, marking another major courtroom loss for the Korean electronics giant.

This latest setback follows a A$680 million patent verdict in October and a A$954 million tax penalty in India earlier this year, adding to Samsung’s growing global legal troubles.

Pictiva welcomed the verdict, with managing director Angela Quinlan saying it “validates the strength of Pictiva’s intellectual property.”

The company, which does not manufacture products itself, acquires and licenses patents – a business model often described as that of a “non-practising entity” or “patent assertion entity.”

Samsung has not yet commented on the decision but is expected to appeal.

The case will likely move to the US Court of Appeals for the Federal Circuit in Washington, DC.