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Article: All fluorescent and high color rendering index white organic light-emitting devices with improved color stability at high brightness

TitleAll fluorescent and high color rendering index white organic light-emitting devices with improved color stability at high brightness
Authors
KeywordsTrapping
Color rendering index
Fluorescent emitters
White organic light-emitting diodes
Energy transfer
Issue Date2012
Citation
Thin Solid Films, 2012, v. 520, n. 7, p. 2966-2970 How to Cite?
AbstractWe have demonstrated high color rendering index (CRI) white organic light-emitting devices using a multilayer structure based on all fluorescent emitters. The CRI of white light can be easily tuned by adjusting the thickness of the blue emitting layer (B-EML). In particular, the device with 8-nm-thick B-EML obtains very high CRI values (91-92) over a wide range of luminance (4000-23,000 cd/m 2). Furthermore, the Commission Internationale De L'Eclairage coordinates of the device is rather stable and the variation is only (± 0.005, ± 0.003) over 4000-23,000 cd/m 2. The values are very close to white light equivalent energy point of (0.333, 0.333). We attribute these unique performances to the competition of the two mechanisms of the carrier trapping of the red dopant and efficient förster energy transfer in the blue emitting layer. © 2011 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/295426
ISSN
2023 Impact Factor: 2.0
2023 SCImago Journal Rankings: 0.400
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhang, Shiming-
dc.contributor.authorXie, Guohua-
dc.contributor.authorXue, Qin-
dc.contributor.authorZhang, Zhensong-
dc.contributor.authorZhao, Li-
dc.contributor.authorLuo, Yang-
dc.contributor.authorYue, Shouzhen-
dc.contributor.authorZhao, Yi-
dc.contributor.authorLiu, Shiyong-
dc.date.accessioned2021-01-18T15:46:50Z-
dc.date.available2021-01-18T15:46:50Z-
dc.date.issued2012-
dc.identifier.citationThin Solid Films, 2012, v. 520, n. 7, p. 2966-2970-
dc.identifier.issn0040-6090-
dc.identifier.urihttp://hdl.handle.net/10722/295426-
dc.description.abstractWe have demonstrated high color rendering index (CRI) white organic light-emitting devices using a multilayer structure based on all fluorescent emitters. The CRI of white light can be easily tuned by adjusting the thickness of the blue emitting layer (B-EML). In particular, the device with 8-nm-thick B-EML obtains very high CRI values (91-92) over a wide range of luminance (4000-23,000 cd/m 2). Furthermore, the Commission Internationale De L'Eclairage coordinates of the device is rather stable and the variation is only (± 0.005, ± 0.003) over 4000-23,000 cd/m 2. The values are very close to white light equivalent energy point of (0.333, 0.333). We attribute these unique performances to the competition of the two mechanisms of the carrier trapping of the red dopant and efficient förster energy transfer in the blue emitting layer. © 2011 Elsevier B.V. All rights reserved.-
dc.languageeng-
dc.relation.ispartofThin Solid Films-
dc.subjectTrapping-
dc.subjectColor rendering index-
dc.subjectFluorescent emitters-
dc.subjectWhite organic light-emitting diodes-
dc.subjectEnergy transfer-
dc.titleAll fluorescent and high color rendering index white organic light-emitting devices with improved color stability at high brightness-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.tsf.2011.10.148-
dc.identifier.scopuseid_2-s2.0-84856394010-
dc.identifier.volume520-
dc.identifier.issue7-
dc.identifier.spage2966-
dc.identifier.epage2970-
dc.identifier.isiWOS:000301085100098-
dc.identifier.issnl0040-6090-

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