Abstract
In summary, we have systematically investigated size dependent light output, spectra shift in 520 nm InGaN based-uLEDs. Our experimental results confirm that smaller uLEDs can deliver higher power densities and sustain higher current densities. Current density dependence of the EL properties of different-size uLEDs exhibited that the spectral shift was dependent on not only current density but also chip size. The band-combined effects of filling effect and self-heating-induced bandgap shrinkage are responsible for the complicated phenomenon.
| Original language | English |
|---|---|
| Title of host publication | ECS Transactions |
| Publisher | Electrochemical Society Inc. |
| Pages | 13-18 |
| Number of pages | 6 |
| Volume | 85 |
| Edition | 7 |
| ISBN (Electronic) | 9781607685395 |
| Publication status | Published - 2018 Jan 1 |
| Event | Symposium on Wide Bandgap Semiconductor Materials and Devices 19 - 233rd ECS Meeting - Seattle, United States Duration: 2018 May 13 → 2018 May 17 |
Other
| Other | Symposium on Wide Bandgap Semiconductor Materials and Devices 19 - 233rd ECS Meeting |
|---|---|
| Country | United States |
| City | Seattle |
| Period | 18/5/13 → 18/5/17 |
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ASJC Scopus subject areas
- Engineering(all)
Cite this
Kim, D. H., & Seong, T. Y. (2018). Influence of size reduction and current density on the optoelectrical properties of green ill-nitride Micro-LEDs. In ECS Transactions (7 ed., Vol. 85, pp. 13-18). Electrochemical Society Inc..