Gas permeation and lifetime tests on polymer-based barrier coatings

Burrows, P. E.; Graff, Gordon L.; Gross, M.; Martin, Peter M.; Hall, Maurice C.; Mast, Eric S.; Bonham, Charles C.; Bennett, Wendy D.; Michalski, Ł.; Weaver, Michael S.; Brown, Julie J.; Fogarty, Daniel P.; Sapochak, Linda S.

doi:10.1117/12.416878

Cited by 180 publications

(70 citation statements)

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“…The OLED light source considered in this work is a vacuum sublimed standard two-layer thin film of TPD (N,N -diphenyl-N,N -bis(3-methyl-phenyl)-(1,1 -biphenyl)-4,4 -diamine) and Alq 3 (tris-8-hydroxyquinoline), grown onto a patterned ITO plastic foil provided with a barrier multi-layer (Barix coating) to protect the device from oxygen and moisture [12]. Thickness of the deposited organic layers has been measured both with scanning probe and micro-stylus profiler techniques allowing a high reproducible thickness control via quartz balance measurement during vacuum growth.…”

Section: Resultsmentioning

confidence: 99%

Optical coupling of flexible microstructured organic light sources for automotive applications

Melpignano¹,

Sinesi²,

Rotaris³

et al. 2003

Synthetic Metals

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Optical coupling of flexible microstructured organic light sources for automotive applications Melpignano, P.; Sinesi, S.; Rotaris, G.; Antonipieri, M.; Cicoira, F.; Loi, Maria; Muccini, M.; Zamboni, R.; Gale, M.T.; Westenhöfer, S. Take-down policy If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim.Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons the number of authors shown on this cover page is limited to 10 maximum. AbstractIn this paper, we report on modelling and processing of customised optical patterns coupled with microstructured large area organic light emitting device (OLED) sources for automotive lighting. Different approaches for the optical control of the light emitted from an OLED are discussed and compared with the aim to fulfil automotive specifications for the following devices: side-marker, ceiling light and glove-box illuminators.

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Section: Resultsmentioning

confidence: 99%

Optical coupling of flexible microstructured organic light sources for automotive applications

Melpignano¹,

Sinesi²,

Rotaris³

et al. 2003

Synthetic Metals

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“…[1,15,20,21] There are three major factors that contribute to the failure of BCFs during thermal and humidity cycling. First is the internal stress, s, which is compressive for SiC barrier coatings, [15] due to the high atomic density.…”

Section: Mechanical Properties and Durabilitymentioning

confidence: 99%

“…[1][2][3][4][5][6][7][8][9][10] Along with application in food and drug packaging, reliable plastic substrates enable the development of flexible electronics, a continuous growing segment in the electronic industry. Flexible electronic devices such as organic lightemitting diode (OLED) displays, thin film capacitors, batteries and solar cells, require protection from detrimental gases to ensure prolonged life time.…”

Section: Introductionmentioning

confidence: 99%

Advanced Roll‐to‐Roll Plasma‐Enhanced CVD Silicon Carbide Barrier Technology for Protection from Detrimental Gases

Zambov

Shamamian

Weidner

et al. 2011

Chemical Vapor Deposition

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The demand for low-cost transparent gas and moisture barrier materials initiates many activities in the area of roll-to-roll (R2R), CVD, thin film technology. The present article is an overview on the elaboration of plasma-enhanced (PE)CVD technology for R2R manufacturing of amorphous silicon carbide (SiC) barrier coatings applied on polymers. A prototype R2R PECVD reactor is designed and built for uniform coatings deposition on large area web-substrates. A key feature is the incorporation of the Penning discharge plasma source (PDPS) to provide magnetically confined, high-density plasma (HDP) with no excessive heat. Coatings are grown on a variety of polymer substrates using trimethylsilane ((CH 3 ) 3 SiH) as the main organic precursor for delivery of active SiÀC species in the gas phase during deposition. A variety of analytical techniques are utilized to correlate process operating factors and plasma chemistry with coating composition and properties, in particular with the barrier performance and durability of barrier coated films (BCFs). The developed R2R PECVD technology demonstrates significant achievements in barrier performance with water vapor transmission rate (WVTR) of less than 5 Â 10 À4 g m À2 day À1and durability of BCFs for more than 500 h under damp-heat conditions of 85 8C and 85% relative humidity (RH). Manufactured BCFs can be competitively implemented for protection against detrimental gasses in various applications, such as drug and food packaging, and flexible electronic devices, such as thin film batteries and solar cells, liquid-crystal (LCD), and light-emitting diode (LED) displays.

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“…New polymer barrier materials that react or absorb undesirable permeates are being developed for products that are highly sensitive to oxygen or moisture, such as organic light emitting diodes (OLEDs) for flexible displays [1][2][3]. The characterization and validation of such reactive polymer materials is challenging because they would provide barriers with lifetimes on the order of several years.…”

Section: Introductionmentioning

confidence: 99%