Enhancement of Color Rendering Index for White Light LED Lamps by Red Y2O3:EU3+ Phosphor

Minh, Tran Hoang Quang; Nhân, Nguyễn Hữu; Vo, Thoai Phu; Anh, Nguyen Doan Quoc

doi:10.15598/aeee.v14i3.1642

Cited by 3 publications

(1 citation statement)

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“…In recent years, many studies focused on enhancement lighting performance of W-LEDs package with the third approach. In [1,2] [4,5]. However, these research only focus on increasing color uniformity and did not pay much attention to enhancing all luminous flux and color uniformity of WLEDs with high CCT (7700 K).…”

Section: Introductionmentioning

confidence: 99%

Effect of Green-emitting CaF2:Ce3+,Tb3+ Phosphor Concentration on the Correlated Color Temperature Deviation and the Lumen Output of the 7700 K Conformal Packaging WLEDst

Tin¹,

Minh

Nhân³

et al. 2018

AUSMT

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In this manuscript, we propose a recommendation for improving the correlated color temperature deviation (D-CCT) and the lumen output of 7700 K WLEDs by adding the green-emitting CaF2:Ce 3+ ,Tb 3+ phosphor into the yellowemitting YAG:Ce phosphor compounding. From the research results, the D-CCT could decrease more than 4 times, and the lumen output increased more than 1,5 times in comparison with the non-green-emitting CaF2:Ce 3+, Tb 3+ phosphor case. The results show that green-emitting CaF2:Ce 3+, Tb 3+ phosphor could become a new recommendation for enhancing the D-CCT and the lumen output of WLEDs.

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Section: Introductionmentioning

confidence: 99%

Effect of Green-emitting CaF2:Ce3+,Tb3+ Phosphor Concentration on the Correlated Color Temperature Deviation and the Lumen Output of the 7700 K Conformal Packaging WLEDst

Tin¹,

Minh

Nhân³

et al. 2018

AUSMT

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Phosphor decay measurement and its influence on communication properties

Vitasek

Jargus

Hejduk

et al. 2017

2017 19th International Conference on Transparent Optical Networks (ICTON)

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Green-emitting CaF₂:Ce³⁺,Tb³⁺ phosphor: selection for improving luminous flux and color quality of conformal geometry white LED lamps

Tin

Minh

Nhân

et al. 2018

Materials Science-Poland

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In the last decades, new solutions for improving lighting properties of white LED lamps (WLEDs) have been the main research direction in optoelectronics. In this paper, a modern approach for enhancing luminous flux and color quality of white LED lamps was presented. By mixing green-emitting CaF 2 :Ce 3+ ,Tb 3+ phosphor with yellow-emitting YAG:Ce phosphor compound, the luminous flux and color quality of white LED lamps with conformal phosphor geometry (CPG) increased significantly. From the obtained results it follows that, the luminous flux increased more than 1.5 times, and the correlated color temperature deviation decreased more than 4 times in comparison with the non-green-emitting CaF 2 :Ce 3+ ,Tb 3+ phosphor. The presented research shows that the green-emitting CaF 2 :Ce 3+ ,Tb 3+ phosphor could become a good candidate for enhancing luminous flux and color quality of white LED lamps.

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Enhancement of Color Rendering Index for White Light LED Lamps by Red Y2O3:EU3+ Phosphor

Cited by 3 publications

References 0 publications

Effect of Green-emitting CaF2:Ce3+,Tb3+ Phosphor Concentration on the Correlated Color Temperature Deviation and the Lumen Output of the 7700 K Conformal Packaging WLEDst

Effect of Green-emitting CaF2:Ce3+,Tb3+ Phosphor Concentration on the Correlated Color Temperature Deviation and the Lumen Output of the 7700 K Conformal Packaging WLEDst

Phosphor decay measurement and its influence on communication properties

Green-emitting CaF₂:Ce³⁺,Tb³⁺ phosphor: selection for improving luminous flux and color quality of conformal geometry white LED lamps

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Enhancement of Color Rendering Index for White Light LED Lamps by Red Y2O3:EU3+ Phosphor

Cited by 3 publications

References 0 publications

Effect of Green-emitting CaF2:Ce3+,Tb3+ Phosphor Concentration on the Correlated Color Temperature Deviation and the Lumen Output of the 7700 K Conformal Packaging WLEDst

Effect of Green-emitting CaF2:Ce3+,Tb3+ Phosphor Concentration on the Correlated Color Temperature Deviation and the Lumen Output of the 7700 K Conformal Packaging WLEDst

Phosphor decay measurement and its influence on communication properties

Green-emitting CaF2:Ce3+,Tb3+ phosphor: selection for improving luminous flux and color quality of conformal geometry white LED lamps

Contact Info

Product

Resources

About

Green-emitting CaF₂:Ce³⁺,Tb³⁺ phosphor: selection for improving luminous flux and color quality of conformal geometry white LED lamps