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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Han-Youl Ryu Jong-In Shim |
| Copyright Year | 1965 |
| Abstract | Light extraction efficiency (LEE) in thin-film InGaN vertical light-emitting diode (LED) structures with photonic crystal patterns is studied using the three-dimensional finite-difference time-domain simulation. We systematically investigate the dependence of LEE on various structural parameters of photonic crystal vertical LEDs such as the thickness of the p-GaN and n-GaN layers, and air-hole depth and size. It is found that high LEE of > 80% is obtainable from unencapsulated photonic crystal LEDs for a wide range of structural parameters. In particular, higher LEE is observed for the structures with relatively long-period photonic crystal patterns and possible mechanisms for the large enhancement of LEE are discussed. |
| Sponsorship | IEEE Lasers and Electro-Optics Society |
| Starting Page | 714 |
| Ending Page | 720 |
| Page Count | 7 |
| File Size | 525304 |
| File Format | |
| ISSN | 00189197 |
| Volume Number | 46 |
| Issue Number | 5 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-05-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Structural engineering Photonic crystals Light emitting diodes Substrates Transistors Finite difference methods Time domain analysis Thermal conductivity Rough surfaces Surface roughness finite-difference time-domain (FDTD) method Light-emitting Diode InGaN materials photonic crystal light extraction efficiency |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering |
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