Color Rendering Index Thermal Stability Improvement of Glass-Based Phosphor-Converted White Light-Emitting Diodes for Solid-State Lighting

Table 3

Characteristics of MPDG and MPDS based WLED samples accelerated thermal aging after 1008 hours.

Characteristics	Phosphor layer type	150°C	250°C	350°C	450°C
QY decay (%)	MPDG	1.2	1.7	2	2.2
	MPDS	3.7	17.9	N.A.	N.A.
CRI remanence	MPDG	100	100	100	100
	MPDS	98.2	83.4	N.A.	N.A.
CIE shift (10^−3)	MPDG	3.5	4.2	4.6	5.5
	MPDS	10.1	151.8	N.A.	N.A.