Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 292, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2022.126808
Keywords
Flexible OLED; Thin-film encapsulation; Barrier film; WVTR; ALD
Categories
Funding
- National Science and Technology Council, Taiwan [MOST 109-2622-E-009-017, MOST 110-2221-E-A49-003-MY3, MOST 110-2113-M-A49-018, MOST 111-2634-F-A49-007]
- Center for Emergent Functional Matter Science of National Yang Ming Chiao Tung University from The Featured Areas Research Center Program by the Ministry of Education (MOE) in Taiwan
- Ministry of Electronics and Information Technology, Government of India [2(4)/2014-PEGD(IPIIW)]
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This study evaluates the lifetime of OLEDs using barrier films and/or thin film encapsulations. The results show that B2D encapsulation offers better barrier performance compared to B2B encapsulation. Additionally, the L50 values for G2B and G2D encapsulations are 54% and 82% of that for G2G encapsulation.
center dot Lifetime evaluation of OLEDs using barrier films and/or thin film encapsulations.center dot Respective L50 values for G2B and G2D are 54 and 82% of that for G2G encapsulation.center dot B2D offers better barrier performance than B2B encapsulation of flexible OLEDs.center dot Corresponding critical radii for B2B and B2D encapsulation are 16.83 and 7.07 mm.center dot ALD of Al2O3 at a low temperature (85 degrees C) for barrier film and encapsula-tion layer.
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