Table 3 The CCT deviation of the five type packaging methods
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 |
|---|---|---|---|---|---|
Chromaticity coordinate shift (Δu′v′) | 0.0047 | 0.0067 | 0.0082 | 0.005 | 0.0065 |