scholarly journals High homogeneity, thermal stability and external quantum efficiency of Ce:YAG single-crystal powder phosphors for white LEDs

2016 ◽  
Vol 124 (5) ◽  
pp. 574-578 ◽  
Author(s):  
Stelian ARJOCA ◽  
Encarnación G. VÍLLORA ◽  
Daisuke INOMATA ◽  
Yusuke ARAI ◽  
Yujin CHO ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Single Crystal ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
White Leds ◽  
High Homogeneity

Luminescence properties of Mn4+ with high 2Eg level energy in the polyfluoride Na3Li3Sc2F12

2020 ◽  
Vol 49 (33) ◽  
pp. 11613-11617
Author(s):  
Hong Li ◽  
Yan Liu ◽  
Shu Tang ◽  
Lijun Luo ◽  
Qiang Zhou ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Thermal Quenching ◽  
Luminescence Properties ◽  
Level Energy ◽  
Red Emission ◽  
White Leds ◽  
Red Emitting Phosphor

Red-emitting phosphor Na3Li3Sc2F12:Mn4+ with the high 2Eg level energy shows intensive red emission accompanied with the high external quantum efficiency and thermal-quenching resistance for warm white LEDs.

High quantum efficiency Ce:(Lu,Y)3(Al,Sc)2Al3O12 transparent ceramics with excellent thermal stability for high-power white LEDs/LDs

2020 ◽  
Vol 8 (46) ◽  
pp. 16427-16435
Author(s):  
Yuelong Ma ◽  
Le Zhang ◽  
Tianyuan Zhou ◽  
Chen Hou ◽  
Jian Kang ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Quantum Efficiency ◽  
High Power ◽  
Light Emitting Diode ◽  
Transparent Ceramics ◽  
High Quantum Efficiency ◽  
Excellent Thermal Stability ◽  
Light Emitting ◽  
White Leds ◽  
High Quantum

Transparent ceramics (TCs) with high quantum efficiency and excellent thermal stability are essential for the applications in high-power remote excitation white light-emitting diode or laser diode (LED/LD) lighting devices as color convertors.

Europium(ii)-activated oxonitridosilicate yellow phosphor with excellent quantum efficiency and thermal stability – a robust spectral conversion material for highly efficient and reliable white LEDs

2015 ◽  
Vol 17 (24) ◽  
pp. 15797-15804 ◽  
Author(s):  
Le Wang ◽  
Hong Zhang ◽  
Xiao-Jun Wang ◽  
Benjamin Dierre ◽  
Takayuki Suehiro ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Quantum Efficiency ◽  
Thermally Stable ◽  
Yellow Phosphor ◽  
White Leds ◽  
Highly Efficient ◽  
Spectral Conversion

A highly efficient and thermally stable yellow phosphor was developed to fabricate highly efficient and reliable cool white LEDs.

scholarly journals Novel Eu3+-activated Ba2Y5B5O17 red-emitting phosphors for white LEDs: high color purity, high quantum efficiency and excellent thermal stability

RSC Advances ◽  
2018 ◽  
Vol 8 (41) ◽  
pp. 23323-23331 ◽  
Author(s):  
G. Annadurai ◽  
Balaji Devakumar ◽  
Heng Guo ◽  
R. Vijayakumar ◽  
Bin Li ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Quantum Efficiency ◽  
Color Purity ◽  
High Quantum Efficiency ◽  
Excellent Thermal Stability ◽  
White Leds ◽  
High Quantum ◽  
High Color Purity ◽  
Red Emitting Phosphor

A novel Ba2Y5B5O17:Eu3+ red-emitting phosphor with high color purity, high quantum efficiency and excellent thermal stability was developed.

Highly efficient near-UV-excitable Ca2YHf2Al3O12:Ce3+,Tb3+ green-emitting garnet phosphors with potential application in high color rendering warm-white LEDs

2020 ◽  
Vol 8 (13) ◽  
pp. 4408-4420 ◽  
Author(s):  
Shaoying Wang ◽  
Balaji Devakumar ◽  
Qi Sun ◽  
Jia Liang ◽  
Liangling Sun ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Potential Application ◽  
Internal Quantum Efficiency ◽  
White Leds ◽  
Highly Efficient ◽  
Color Rendering

Novel near-UV-excitable Ca2YHf2Al3O12:Ce3+,Tb3+ green phosphors with a highest internal quantum efficiency of 86.6% and external quantum efficiency of 63.1% were reported for high-CRI warm-white LEDs.

Red-emitting phosphors APF6:Mn4+ (A = Cs+, Rb+, K+): synthesis, luminescence properties and application in solid-state lighting

2019 ◽  
Vol 48 (29) ◽  
pp. 10901-10906 ◽  
Author(s):  
Yu Chen ◽  
Zhaofeng Yang ◽  
Qin Wang ◽  
Meizhu Rong ◽  
Qiang Zhou ◽  
...  
Keyword(s):  
Solid State ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Thermal Quenching ◽  
Solid State Lighting ◽  
Luminescence Properties ◽  
Red Emission ◽  
White Leds

New red-emitting phosphors APF6:Mn4+ (A = Cs+, Rb+, K+) show intense red emission with high external quantum efficiency and thermal quenching resistance for warm white LEDs.

scholarly journals Near-ultraviolet LED of the External Quantum Efficiency Over 45% and its Application to High-color Rendering Phosphor Conversion White LEDs

2008 ◽  
Vol 32 (1) ◽  
pp. 39-42 ◽  
Author(s):  
Hiroaki SAKUTA ◽  
Takeshi FUKUI ◽  
Tsutomu MIYACHI ◽  
Kunihito KAMON ◽  
Hideki HAYASHI ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
White Leds ◽  
Near Ultraviolet ◽  
Color Rendering
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