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Conference Paper: Vertically-stacked color-tunable LEDs

TitleVertically-stacked color-tunable LEDs
Authors
KeywordsCIE coordinates
Emission bands
Relative intensity
Tunable emissions
Vertical stacking
Viewing angle
Voltage supply
White color
White light emission
Issue Date2009
PublisherWiley - VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/journal/122311674/grouphome/home.html
Citation
The International Workshop on Nitride semiconductors (IWN2008), Montreux, Switzerland, 6-10 October 2008. In Physica Status Solidi. C, 2009, v. 6 suppl. 2, p. S902-S904 How to Cite?
AbstractLight-emitting diodes with vertical stacking geometry were fabricated and characterized. Color-tunable emission and white-light emission has been demonstrated in Stacked-LED (SLED). Emissions of different colors, ranging from green-blue, to pink-purple, to yellow-orange and white light emission have be achieved by adjusting the relative intensity of two or three individual emission bands, which in turn are controlled by adjusting voltage supply. Compared to conventional lateral side-by-side geometry, the shift of white color chromaticity with respect to viewing angles is less in the case of SLED device. The farthest shift of white CIE coordinate point away from the pure white CIE coordinate is (0.29, 0.29) in SLED compared to (0.37, 0.35) in the commerical available lateral packaged structure. This vertically-stacked LED is poised to open new frontiers in high performance color-tunable LEDs. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
DescriptionThis journal suppl. entitled: Supplement: International Workshop on Nitride Semiconductors (IWN 2008)
Persistent Identifierhttp://hdl.handle.net/10722/58769
ISSN
2015 SCImago Journal Rankings: 0.392
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHui, KNen_HK
dc.contributor.authorLai, PTen_HK
dc.contributor.authorChoi, HWen_HK
dc.date.accessioned2010-05-31T03:36:35Z-
dc.date.available2010-05-31T03:36:35Z-
dc.date.issued2009en_HK
dc.identifier.citationThe International Workshop on Nitride semiconductors (IWN2008), Montreux, Switzerland, 6-10 October 2008. In Physica Status Solidi. C, 2009, v. 6 suppl. 2, p. S902-S904en_HK
dc.identifier.issn1862-6351en_HK
dc.identifier.urihttp://hdl.handle.net/10722/58769-
dc.descriptionThis journal suppl. entitled: Supplement: International Workshop on Nitride Semiconductors (IWN 2008)-
dc.description.abstractLight-emitting diodes with vertical stacking geometry were fabricated and characterized. Color-tunable emission and white-light emission has been demonstrated in Stacked-LED (SLED). Emissions of different colors, ranging from green-blue, to pink-purple, to yellow-orange and white light emission have be achieved by adjusting the relative intensity of two or three individual emission bands, which in turn are controlled by adjusting voltage supply. Compared to conventional lateral side-by-side geometry, the shift of white color chromaticity with respect to viewing angles is less in the case of SLED device. The farthest shift of white CIE coordinate point away from the pure white CIE coordinate is (0.29, 0.29) in SLED compared to (0.37, 0.35) in the commerical available lateral packaged structure. This vertically-stacked LED is poised to open new frontiers in high performance color-tunable LEDs. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.en_HK
dc.languageengen_HK
dc.publisherWiley - VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/journal/122311674/grouphome/home.htmlen_HK
dc.relation.ispartofPhysica Status Solidi. C: Current Topics in Solid State Physicsen_HK
dc.subjectCIE coordinates-
dc.subjectEmission bands-
dc.subjectRelative intensity-
dc.subjectTunable emissions-
dc.subjectVertical stacking-
dc.subjectViewing angle-
dc.subjectVoltage supply-
dc.subjectWhite color-
dc.subjectWhite light emission-
dc.titleVertically-stacked color-tunable LEDsen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailLai, PT: laip@eee.hku.hken_HK
dc.identifier.emailChoi, HW: hwchoi@hku.hken_HK
dc.identifier.authorityLai, PT=rp00130en_HK
dc.identifier.authorityChoi, HW=rp00108en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/pssc.200880927en_HK
dc.identifier.scopuseid_2-s2.0-77954709593en_HK
dc.identifier.hkuros164108en_HK
dc.identifier.hkuros164117-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77954709593&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume6en_HK
dc.identifier.issuesuppl. 2en_HK
dc.identifier.spageS902en_HK
dc.identifier.epageS904en_HK
dc.identifier.isiWOS:000294494400154-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridChoi, HW=7404334877en_HK
dc.identifier.scopusauthoridLai, PT=7202946460en_HK
dc.identifier.scopusauthoridHui, KN=12139840100en_HK
dc.customcontrol.immutablesml 140723-

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