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Picosun ALD enhances micro-LED efficiency
In addition, to achieve full color display, an inkjet printing to pattern quantum dots automatically has been developed at NYCU. The solution can considerably improve the precision of color pixels and satisfy the high-resolution requirements. Picosun ALD passivation technology was successfully used for preventing the quantum dots from photo-oxidation and degradation. After a 500 hours environmental reliability test, the color gamut remained at excellent level.*
"Micro-LED technology has been the disruptive technology in the next generation displays, and more application areas are emerging its benefits being long lifetime, high power efficiency and high brightness. With quantum dot-based technology micro-LEDs can be used in applications such as virtual and mixed reality as they allow the use of single-color, blue, micro-LED chips resulting in lower manufacturing costs. Our study has proved that ALD passivation plays a key role in upcoming nanometer-scale devices", says , professor at NYCU.
"Picosun's ALD technology has been production-proven at many prominent LED manufacturers. ALD films' superior conformality and uniformity, and their ability to ensure reliable, pinhole-free encapsulation even at extremely low film thicknesses is a key benefit. Furthermore, the ALD process can be run at moderate temperatures", explains , VP, Industrial Business Area of Picosun Group.
Juhana Kostamo
Vice President, Industrial Business Area, Picosun Group
Tel: +358 50 369 9565
Email: info@picosun.com
www.picosun.com
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