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Conference Paper: Angular uniform white light-emitting diodes with an internal reflector cup

TitleAngular uniform white light-emitting diodes with an internal reflector cup
Authors
Zhu, LWang, XHLai, PTChoi, HW
KeywordsBlue LEDs
Internal reflectors
Laser micro-machining
White light emission
White light emitting diodes
Issue Date2011
PublisherCurran Associates, Inc..
Citation
The 48th Annual SID Symposium, Seminar, and Exhibition (Display Week 2010), Seattle, WA., 23-28 May 2010. In SID International Symposium Digest of Technical Papers, 2011, v. 41 n. 1, p. 1013-1015, paper 68.1 How to Cite?
DOI: http://dx.doi.org/10.1889/1.3499818
AbstractWe report on a white light-emitting diode (LED) with a truncated-conical (TC) geometry produced by laser micromachining. A blue LED was shaped into a circular disc with 50o-inclined sidewall using a modified laser micromachining setup. A layer of Al was coated onto the inclined sidewall and the bottom surface to form an integrated reflector. Due to the highly reflective mirror, laterally propagating photons were redirected into the upward direction, contributing to a 21.7% increase of light intensity in the normal direction. With quantum dots applied to the surface, white light emission from this TC-LED structure demonstrated a 37% enhancement in color uniformity, compared with a conventional device.
DescriptionSession 68: Lighting Design: no. 68.1
This digest issue entitled: 48th Annual SID Symposium, Seminar, and Exhibition 2010 (Display Week 2010)
Persistent Identifierhttp://hdl.handle.net/10722/158739
ISBN
978-161839095-0
ISSN
0097-966X
2020 SCImago Journal Rankings: 0.351
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorZhu, Len_US
dc.contributor.authorWang, XHen_US
dc.contributor.authorLai, PTen_US
dc.contributor.authorChoi, HWen_US
dc.date.accessioned2012-08-08T09:01:06Z-
dc.date.available2012-08-08T09:01:06Z-
dc.date.issued2011en_US
dc.identifier.citationThe 48th Annual SID Symposium, Seminar, and Exhibition (Display Week 2010), Seattle, WA., 23-28 May 2010. In SID International Symposium Digest of Technical Papers, 2011, v. 41 n. 1, p. 1013-1015, paper 68.1en_US
dc.identifier.isbn978-161839095-0-
dc.identifier.issn0097-966X-
dc.identifier.urihttp://hdl.handle.net/10722/158739-
dc.descriptionSession 68: Lighting Design: no. 68.1-
dc.descriptionThis digest issue entitled: 48th Annual SID Symposium, Seminar, and Exhibition 2010 (Display Week 2010)-
dc.description.abstractWe report on a white light-emitting diode (LED) with a truncated-conical (TC) geometry produced by laser micromachining. A blue LED was shaped into a circular disc with 50o-inclined sidewall using a modified laser micromachining setup. A layer of Al was coated onto the inclined sidewall and the bottom surface to form an integrated reflector. Due to the highly reflective mirror, laterally propagating photons were redirected into the upward direction, contributing to a 21.7% increase of light intensity in the normal direction. With quantum dots applied to the surface, white light emission from this TC-LED structure demonstrated a 37% enhancement in color uniformity, compared with a conventional device.en_US
dc.languageengen_US
dc.publisherCurran Associates, Inc..-
dc.relation.ispartofSID International Symposium Digest of Technical Papersen_US
dc.subjectBlue LEDs-
dc.subjectInternal reflectors-
dc.subjectLaser micro-machining-
dc.subjectWhite light emission-
dc.subjectWhite light emitting diodes-
dc.titleAngular uniform white light-emitting diodes with an internal reflector cupen_US
dc.typeConference_Paperen_US
dc.identifier.emailLai, PT: laip@eee.hku.hken_US
dc.identifier.emailChoi, HW: hwchoi@eee.hku.hken_US
dc.identifier.authorityLai, PT=rp00130en_US
dc.identifier.authorityChoi, HW=rp00108en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1889/1.3499818-
dc.identifier.scopuseid_2-s2.0-80755188027en_US
dc.identifier.hkuros225759-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-80755188027&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume41en_US
dc.identifier.issue1-
dc.identifier.spage1013en_US
dc.identifier.epage1015, paper 68.1en_US
dc.publisher.placeUnited States-
dc.identifier.scopusauthoridChoi, HW=7404334877en_US
dc.identifier.scopusauthoridLai, PT=7202946460en_US
dc.identifier.scopusauthoridWang, XH=54405246300en_US
dc.identifier.scopusauthoridZhu, L=36351290800en_US
dc.customcontrol.immutablesml 131217-
dc.identifier.issnl0097-966X-

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