Table 1 The concentration of the yellow and red phosphor at different packages
From: Enhancement of luminous efficiency by hybrid structure for warm white light-emitting diodes
Package | Dispense | Red-yellow coating | Yellow-red coating | Red-yellow hybrid | Yellow-red hybrid |
|---|---|---|---|---|---|
Red phosphor concentration (%) | 1.5 | 50 | 50 | 50 | 2 |
Yellow phosphor concentration (%) | 6 | 50 | 50 | 5 | 50 |