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Article: Microlens array on flip-chip LED patterned with an ultraviolet micro-pixelated emitter

TitleMicrolens array on flip-chip LED patterned with an ultraviolet micro-pixelated emitter
Authors
KeywordsDirect-write
Micro-lens
Micro-light emitting diode (micro-LED)
Issue Date2011
Citation
IEEE Photonics Technology Letters, 2011, v. 23 n. 15, p. 1067-1069 How to Cite?
AbstractA direct-write lithographic technique for the fabrication of micro-lens arrays with an ultraviolet (UV) micro-light-emitting diode (LED) array serving as an exposure source is reported. Polymer microlens arrays of high optical quality have been fabricated on the sapphire side of a flip-chip truncated-conic (TC) LED. The properties of the lenses are evaluated by optical microscopy and atomic force microscopy. The determined focal length is close to the predicted value. The effects of microlens integration on the optical properties of the LED are investigated. © 2011 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/139234
ISSN
2015 Impact Factor: 1.945
2015 SCImago Journal Rankings: 1.433
ISI Accession Number ID
Funding AgencyGrant Number
Research Grant Council of Hong KongHKU 7118/09E
Funding Information:

Manuscript received February 01, 2011; revised April 26, 2011; accepted April 30, 2011. Date of publication May 12, 2011; date of current version July 15, 2011. This work was supported by a GRF grant of the Research Grant Council of Hong Kong (project HKU 7118/09E).

References

 

DC FieldValueLanguage
dc.contributor.authorZhu, Len_HK
dc.contributor.authorLai, PTen_HK
dc.contributor.authorChoi, HWen_HK
dc.date.accessioned2011-09-23T05:47:27Z-
dc.date.available2011-09-23T05:47:27Z-
dc.date.issued2011en_HK
dc.identifier.citationIEEE Photonics Technology Letters, 2011, v. 23 n. 15, p. 1067-1069en_HK
dc.identifier.issn1041-1135en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139234-
dc.description.abstractA direct-write lithographic technique for the fabrication of micro-lens arrays with an ultraviolet (UV) micro-light-emitting diode (LED) array serving as an exposure source is reported. Polymer microlens arrays of high optical quality have been fabricated on the sapphire side of a flip-chip truncated-conic (TC) LED. The properties of the lenses are evaluated by optical microscopy and atomic force microscopy. The determined focal length is close to the predicted value. The effects of microlens integration on the optical properties of the LED are investigated. © 2011 IEEE.en_HK
dc.languageengen_US
dc.relation.ispartofIEEE Photonics Technology Lettersen_HK
dc.rights©2011 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectDirect-writeen_HK
dc.subjectMicro-lensen_HK
dc.subjectMicro-light emitting diode (micro-LED)en_HK
dc.titleMicrolens array on flip-chip LED patterned with an ultraviolet micro-pixelated emitteren_HK
dc.typeArticleen_HK
dc.identifier.emailLai, PT:laip@eee.hku.hken_HK
dc.identifier.emailChoi, HW:hwchoi@eee.hku.hken_HK
dc.identifier.authorityLai, PT=rp00130en_HK
dc.identifier.authorityChoi, HW=rp00108en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/LPT.2011.2154323en_HK
dc.identifier.scopuseid_2-s2.0-79960517789en_HK
dc.identifier.hkuros192478en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79960517789&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume23en_HK
dc.identifier.issue15en_HK
dc.identifier.spage1067en_HK
dc.identifier.epage1069en_HK
dc.identifier.isiWOS:000293689300002-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhu, L=36351290800en_HK
dc.identifier.scopusauthoridLai, PT=7202946460en_HK
dc.identifier.scopusauthoridChoi, HW=7404334877en_HK

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