Flexible smartphones and color-saturated television displays were some highlights at this year’s Consumer Electronics Showcase.
Many of those displays were made using organic light-emitting diodes, or OLEDs.
They produce more saturated color and use less energy. But it is not very cost-effective to make them by mass-production.
Now, a MIT spinout "Kateeva" has developed an “inkjet printing” system for OLED displays It enables mass-production of flexible and large-screen models cost effectively.
Kateeva's YIELDjet system is a massive version of an inkjet printer. Large glass or plastic substrate sheets are placed on a long, wide platform. A head with custom nozzles moves back and forth, across the substrate, coating it with OLED and other materials i-e similar to a printer dropping ink onto paper.
By boosting yields, as well as speeding up production, reducing materials, and reducing maintenance time, the system aims to cut manufacturing costs by about 50 percent.
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