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World-first flexible OLED display is full 3D-printed successfully

2022-01-11 14:54:45Source of article:EasyMFG

OLED screens are currently one of the most expensive components of mobile phones and laptops, especially flexible screens. If there is a way to produce them more cheaply, the price of such components will drop further, allowing manufacturers to focus on other important areas of the technology Progress. A team of scientists at the University of Minnesota Twin Cities has successfully 3D-printed the entirety of a flexible organic light-emitting diode (OLED) display for the first time.

3d printed OLED screens

Using a combination of methods, researchers at the University of Minnesota Twin Cities have created the world's first fully 3D printed flexible OLED panel. They jet-printed components of the active light-emitting layer at room temperature, while using the same 3D printer to create "electrodes, interconnects, insulation, and packaging." The discovery could result in low-cost OLED displays in the future that could be widely produced using 3D printers by anyone at home, instead of by technicians in expensive microfabrication facilities.

3D-printed OLED screens

In the end, they got a bendable 1.5-inch(38mm) OLED display, with a total of 64 pixels, all working and displaying images, showing relative stability over 2,000 bends, suggesting that fully 3D-printed OLEDs could potentially be used in wearables or other soft electronics.

3D-printed OLED screens displaying images

OLED displays are typically produced in large, expensive, ultra-clean manufacturing facilities, and the team managed to print one using only a desktop 3D printer. IT Home understands that the printer is custom-made and costs about the same as a Tesla Model S.

the OLED screens printed by a desktop 3D printer

The team's next goal now is to increase the pixel density and peak brightness levels of 3D-printed OLED displays to make the technology suitable for use in retail electronics.