Color rendering index of the white LED with a yellow phosphor thickness of 0.1 mm and with three different QD concentrations. “None” indicates the case where no QD film was applied.
| Red QD concentration | None | 2.5 wt% | 5 wt% |
|---|---|---|---|
| Ra | 63.6 | 68.5 | 73.0 |
| Re | 49.6 | 56.8 | 63.4 |
| R9 | -70.1 | -26.4 | 7.8 |