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dc.contributor.authorChen, Kuo-Juen_US
dc.contributor.authorKuo, Hsuan-Tingen_US
dc.contributor.authorChiang, Yen-Chihen_US
dc.contributor.authorChen, Hsin-Chuen_US
dc.contributor.authorWang, Chao-Hsunen_US
dc.contributor.authorShih, Min-Hsiungen_US
dc.contributor.authorLin, Chien-Chungen_US
dc.contributor.authorPan, Ching-Jenen_US
dc.contributor.authorKuo, Hao-Chungen_US
dc.date.accessioned2014-12-08T15:30:22Z-
dc.date.available2014-12-08T15:30:22Z-
dc.date.issued2013-04-01en_US
dc.identifier.issn1551-319Xen_US
dc.identifier.urihttp://dx.doi.org/10.1109/JDT.2012.2227054en_US
dc.identifier.urihttp://hdl.handle.net/11536/21721-
dc.description.abstractThis study investigates the optical and electrical characteristics in hybrid warm white high-voltage light-emitting diodes (HV-LEDs). The luminous efficiency of the hybrid warm white LED in this study improved by 11% and 51%, compared to conventional cool and warm LEDs, respectively, solving the warm white gap in white LEDs. The efficiency droop of the hybrid warm white LED was reduced to 21.8% from 26.8% for the conventional cool white LED, and from 26.3% in the conventional warm white LED at 40 mA (35 A/cm(2)) the operated current. Furthermore, the color rendering index (CRI) and angular correlated color temperature (CCT) were analyzed, indicating a significant improvement in hybrid warm white HV-LEDs.en_US
dc.language.isoen_USen_US
dc.subjectHigh voltageen_US
dc.subjectlight-emitting diodes (LEDs)en_US
dc.subjectphosphoren_US
dc.subjectwarm whiteen_US
dc.titleEfficiency and Droop Improvement in Hybrid Warm White LEDs Using InGaN and AlGaInP High-Voltage LEDsen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/JDT.2012.2227054en_US
dc.identifier.journalJOURNAL OF DISPLAY TECHNOLOGYen_US
dc.citation.volume9en_US
dc.citation.issue4en_US
dc.citation.spage280en_US
dc.citation.epage284en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000316802700005-
dc.citation.woscount4-
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