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Materials Science-Poland
Volume 40 (2022): Issue 4 (December 2022)
Open Access
Phosphor conversion for WLEDs: YBO
3
: Ce
3+
, Tb
3+
and its effects on the luminous intensity and chromatic properties of dual-layer WLED model
Le Thi Thuy My
Le Thi Thuy My
,
Nguyen Le Thai
Nguyen Le Thai
,
Thuc Minh Bui
Thuc Minh Bui
,
Hsiao-Yi Lee
Hsiao-Yi Lee
and
Nguyen Doan Quoc Anh
Nguyen Doan Quoc Anh
| Apr 14, 2023
Materials Science-Poland
Volume 40 (2022): Issue 4 (December 2022)
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Published Online:
Apr 14, 2023
Page range:
105 - 113
Received:
May 13, 2022
Accepted:
Nov 28, 2022
DOI:
https://doi.org/10.2478/msp-2022-0050
Keywords
WLEDs
,
YBO:Ce,Tb
,
luminous intensity
,
chromatic properties
,
remote phosphor structure
,
dual-layer phosphor
© 2022 Le Thi Thuy My et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Fig. 1
The change in yellow phosphor concentration when using 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K
Fig. 2
WLED emission power with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K
Fig. 3
Lumen output with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K
Fig. 4
CCT variances of WLEDs with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K
Fig. 5
CRIs of WLEDs with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K
Fig. 6
CQS values of WLEDs with 5% and 10% concentrations of YBO3:Ce3+,Tb3+ at CCTs of (a) 3000 K, (b) 4000 K, (c) 5000 K