oled manufacturing challenges - department of...
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OLED Manufacturing Challenges
J. Norman Bardsley
[email protected] [email protected]
Raleigh February 3, 2016
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Cost Reductions are Essential
• LED prices are decreasing at 30% per year
• All OLED costs must come down • Equipment depreciation • Organic materials • Inorganic structural materials • Waste through inefficient deposition and low yields
• Synergy with other applications will help • OLED displays • Quantum dot displays • Touch screens
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US DOE’s OLED Cost Reduction Goals ($/m2)
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Source: David Hsieh, IHS Taiwan
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Source: David Hsieh, IHS Taiwan
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Source: David Hsieh, IHS Taiwan
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Flexible Panels from LG Display
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Transparent Connections from LG
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Focus on Automobile Applications
Audi 2016 TT RS Coupe Pioneer concept: Transparent panel for rear window
Astron Fiamm LG Display MC Pioneer Osram Yeolight
BMW 2015 demo
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Thin Film Encapsulation
• Many companies have reported progress • LG, Konica Minolta, Osram, Philips, Samsung…
• Multi-layer barrier films can be bought from 3M
• Multi-layer hybrid solutions are expensive
• Aixtron and Vitriflex are developing all inorganic films
• Kateeva has large-scale printers for organic materials
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Barrier Films from 3M
Commercial availability has been enabled by the demand for quantum dot films
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OptoCapTM Barrier From Aixtron
Hard layers provide moisture barrier and are thin enough to bend Softer layers decouple the hard layers and reduce the film stress
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Multi-layer Metal Oxide Film from Vitriflex
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Ink Jet Printer from Kateeva
Source: Conor Madigan, Kateeva
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From Prototype to Production is Difficult
Capacity: 1 million panels per month High volume production due in 2014
Habataki
Irodori
Thickness: 0.35mm Weight: 0.06g/cm2
High efficiency Tunable color
Konica Minolta