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LG Display Shows Flexible, Transparent OLED Panels

SEOUL, SOUTH KOREA — LG Display has developed an 18-inch flexible OLED panel that can be rolled, as well as an 18-inch transparent OLED panel.

The company said in a statement: “With these new panels, LG Display shows that it has already acquired fundamental technologies to lead the large-sized flexible and transparent display market.”

The flexible OLED panel has an HD resolution of 1,200 by 810 with almost 1 million megapixels. The panel’s curvature radius is 30R. The panel can be rolled up to a radius of 3cm without affecting the function of the display, the company said.

“This proves that LG Display can bring rollable TVs of more than 50 inches to the market in the future,” the company claimed in a statement.

LG Display used high molecular substance-based polyimide film as the backplane of the flexible panel instead of conventional plastic to achieve the maximum curvature radius. The polyimide film also helped reduce the thickness of the panel to significantly improve its flexibility.

The transparent OLED panel, meanwhile, is said to have 30 percent transmittance, which was achieved by adopting LG’s transparent pixel design technology.

LG Display said it has “successfully lowered the haze of the panel which is generated by using circuit devices and film components to a level of 2 percent,” and has been able to improve greatly the technology level of the transparent display. “Considering that the transmittance of existing transparent LCD panels is around 10 percent, this new panel offers significantly improved transmittance,” the company noted.