Luminance enhancement of flip-chip light-emitting diodes by geometric sapphire shaping structure
| dc.citation.epage | 186 | en_US |
| dc.citation.issue | 1-4 | en_US |
| dc.citation.spage | 184 | en_US |
| dc.citation.volume | 20 | en_US |
| dc.citation.woscount | 16 | |
| dc.contributor.author | Lee, C. E. | en_US |
| dc.contributor.author | Kuo, H. C. | en_US |
| dc.contributor.author | Lee, Y. C. | en_US |
| dc.contributor.author | Tsai, M. R. | en_US |
| dc.contributor.author | Lu, T. C. | en_US |
| dc.contributor.author | Wang, S. C. | en_US |
| dc.contributor.author | Kuo, C. T. | en_US |
| dc.contributor.department | 光電工程學系 | zh_TW |
| dc.contributor.department | Department of Photonics | en_US |
| dc.date.accessioned | 2014-12-08T15:12:49Z | |
| dc.date.available | 2014-12-08T15:12:49Z | |
| dc.date.issued | 2008-01-01 | en_US |
| dc.description.abstract | The flip-chip light-emitting diodes (FC-LEDs) with geometric sapphire shaping structure were investigated. The sapphire shaping structure was formed on the. bottom side of the sapphire substrate by a chemical wet etching technique for light extraction purpose. The crystallography-etched facets were (1010) M-plane, (1102) R-plane, and (1120) A-plane against the (0001) c-axis with the angles range between 29 degrees similar to 60 degrees. These large slope oblique sidewalls are useful for light extraction efficiency enhancement. The light-output power of sapphire shaping FC-LEDs was increased 55% (at 350-mA current injection) compared to that of conventional FC-LEDs. | en_US |
| dc.identifier.doi | 10.1109/LPT.2007.912990 | en_US |
| dc.identifier.issn | 1041-1135 | en_US |
| dc.identifier.journal | IEEE PHOTONICS TECHNOLOGY LETTERS | en_US |
| dc.identifier.uri | http://dx.doi.org/10.1109/LPT.2007.912990 | en_US |
| dc.identifier.uri | https://ir.lib.nycu.edu.tw/handle/11536/9878 | |
| dc.identifier.wosnumber | WOS:000253225300059 | |
| dc.language.iso | en_US | en_US |
| dc.subject | flip-chip light-emitting diodes (FC-LEDs) | en_US |
| dc.subject | geometric sapphire shaping | en_US |
| dc.subject | oblique sidewall | en_US |
| dc.subject | sapphire wet etching | en_US |
| dc.title | Luminance enhancement of flip-chip light-emitting diodes by geometric sapphire shaping structure | en_US |
| dc.type | Article | en_US |