High color rendering index of remote-type white LEDs with multi-layered quantum dot-phosphor films and short-wavelength pass dichroic filters

2014 ◽  
Author(s):  
Hee Chang Yoon ◽  
Ji Hye Oh ◽  
Young Rag Do
Keyword(s):  
Quantum Dot ◽  
Short Wavelength ◽  
White Leds ◽  
Color Rendering Index ◽  
Color Rendering

Highly efficient Ce3+ → Tb3+ energy transfer induced bright narrowband green emissions from garnet-type Ca2YZr2(AlO4)3:Ce3+,Tb3+ phosphors for white LEDs with high color rendering index

2019 ◽  
Vol 7 (34) ◽  
pp. 10471-10480 ◽  
Author(s):  
Liangling Sun ◽  
Balaji Devakumar ◽  
Jia Liang ◽  
Shaoying Wang ◽  
Qi Sun ◽  
...  
Keyword(s):  
Energy Transfer ◽  
White Leds ◽  
Highly Efficient ◽  
Color Rendering Index ◽  
Color Rendering

Highly efficient Ce3+ → Tb3+ energy transfer induced bright narrowband green emissions from Ca2YZr2(AlO4)3:Ce3+,Tb3+ garnet phosphors, which showed great potential for application in warm-white LEDs with high color rendering index.

Ultrabroad-band, red sufficient, solid white emission from carbon quantum dot aggregation for single component warm white light emitting diodes with a 91 high color rendering index

2019 ◽  
Vol 55 (46) ◽  
pp. 6531-6534 ◽  
Author(s):  
Ting Meng ◽  
Ting Yuan ◽  
Xiaohong Li ◽  
Yunchao Li ◽  
Louzhen Fan ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Full Width ◽  
Half Maximum ◽  
Light Emitting ◽  
White Emission ◽  
Carbon Quantum Dot ◽  
Warm White Light ◽  
Color Rendering Index ◽  
White Light Emitting Diodes ◽  
Color Rendering

An ultrabroad-band solid white emission from carbon quantum dot aggregation with a full width at half maximum over 200 nm throughout the entire visible light window and, even better, with a sufficient red component is first reported.

Enhancing the Color Rendering Index for Phosphor‐converted White LEDs Using Cadmium‐Free CuInS2/ZnS QDs

2013 ◽  
Vol 60 (7) ◽  
pp. 801-806 ◽  
Author(s):  
Po‐Hsiang Chuang ◽  
Chun Che Lin ◽  
Heesun Yang ◽  
Ru‐Shi Liu
Keyword(s):  
White Leds ◽  
Color Rendering Index ◽  
Color Rendering

scholarly journals Photoluminescence tuning of Ca8−xSrxMgGd(PO4)7:Eu2+,yMn2+ phosphors for applications in white LEDs with excellent color rendering index

RSC Advances ◽  
2017 ◽  
Vol 7 (31) ◽  
pp. 19223-19230 ◽  
Author(s):  
Jiaqi Long ◽  
Yuzhen Wang ◽  
Chaoyang Ma ◽  
Xuanyi Yuan ◽  
Wenfeng Dong ◽  
...  
Keyword(s):  
Solid State ◽  
Solid State Reaction ◽  
White Leds ◽  
Color Rendering Index ◽  
Yellow Orange ◽  
Color Rendering ◽  
Excellent Color

Two series of novel phosphors of green-yellow emitting Ca8−xSrxMgGd(PO4)7:Eu2+ and yellow-orange emitting Sr8MgGd(PO4)7:Eu2+,yMn2+ were successfully synthesized by a solid-state reaction.

Brownish red emitting YAG:Ce3+,Cu+ phosphors for enhancing the color rendering index of white LEDs

2012 ◽  
Vol 523 ◽  
pp. 151-154 ◽  
Author(s):  
Cong Zhao ◽  
Dachuan Zhu ◽  
Mingxing Ma ◽  
Tao Han ◽  
Mingjing Tu
Keyword(s):  
White Leds ◽  
Color Rendering Index ◽  
Color Rendering

A low sintering temperature glass based on SiO2 -P2 O5 -ZnO-B2 O3 -R2 O system for white LEDs with high color rendering index

2017 ◽  
Vol 100 (11) ◽  
pp. 5186-5192 ◽  
Author(s):  
Seonghyeon Kim ◽  
Hyun-A Park ◽  
Won Bin Im ◽  
Jong Heo ◽  
Jae-Young Choi ◽  
...  
Keyword(s):  
Sintering Temperature ◽  
White Leds ◽  
Color Rendering Index ◽  
Low Sintering Temperature ◽  
Color Rendering
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