Rare earth-doped phosphors for white light-emitting diodes
M Sato, SW Kim, Y Shimomura, T Hasegawa… - Handbook on the …, 2016 - Elsevier
In 1996, a new lighting device was proposed by Nichia Chemical Co., Japan, using a blue
InGaN LED chip coated with a yellow-emitting phosphor of yttrium aluminum garnet (Y 2.9 …
InGaN LED chip coated with a yellow-emitting phosphor of yttrium aluminum garnet (Y 2.9 …
Improved angular color uniformity and hydrothermal reliability of phosphor-converted white light-emitting diodes by using phosphor sedimentation
WJ Kim, TK Kim, SH Kim, SB Yoon, HH Jeong… - Optics …, 2018 - opg.optica.org
We investigated the effect of phosphor deposition methods on the correlated color
temperature (CCT), luminous flux and thermal characteristics of packaged white light …
temperature (CCT), luminous flux and thermal characteristics of packaged white light …
Improved color uniformity in white light-emitting diodes using newly developed phosphors
H Daicho, K Enomoto, H Sawa, S Matsuishi… - Optics express, 2018 - opg.optica.org
We report novel white light-emitting diode (WLED) devices that improve emission color
uniformity. The WLEDs consist of a violet chip and a mixed-phosphor layer of three …
uniformity. The WLEDs consist of a violet chip and a mixed-phosphor layer of three …
A cylindrical tuber encapsulant geometry for enhancing optical performance of chip-on-board packaging light-emitting diodes
Low light efficiency and poor angular color uniformity (ACU) are the key challenges of chip-
on-board packaging light-emitting diodes (LEDs). In this paper, we demonstrate a phosphor …
on-board packaging light-emitting diodes (LEDs). In this paper, we demonstrate a phosphor …
Enhancing the thermal dissipation of a light-converting composite for quantum dot-based white light-emitting diodes through electrospinning nanofibers
H Zheng, X Lei, T Cheng, S Liu, X Zeng… - Nanotechnology, 2017 - iopscience.iop.org
Quantum dots (QDs) have been developed as one of the most promising light-converting
materials for white light-emitting diodes (LEDs). In current QD-based LED packaging …
materials for white light-emitting diodes (LEDs). In current QD-based LED packaging …
Optical performance enhancement of quantum dot-based light-emitting diodes through an optimized remote structure
X Lei, H Zheng, X Guo, J Chu, S Liu… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and
unstable performance at high driving currents due to the saturation effect of QDs. In this …
unstable performance at high driving currents due to the saturation effect of QDs. In this …
Whole inorganic hermetic packaging technology using localized induction heating for deep ultraviolet light-emitting diodes
Y Peng, S Wang, H Cheng… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A uniform, reproducible, and whole inorganic hermetic packaging technology using
localized induction heating and its application to deep ultraviolet light-emitting diode (DUV …
localized induction heating and its application to deep ultraviolet light-emitting diode (DUV …
ACU optimization of pcLEDs by combining the pulsed spray and feedback method
In this paper, the pulse-sprayed (PS) phosphor coating technique and feedback method
were combined to optimize the angular color uniformity of remote phosphor-converted light …
were combined to optimize the angular color uniformity of remote phosphor-converted light …
Phosphor geometry regulations with separated red and green quantum dot layers for high performance warm white light-emitting diodes
High performance white light emitting diodes (WLEDs) were fabricated based on green
CuInS 2/ZnS quantum dots (QDs) combined with red CuInS 2/ZnS or CdSe/ZnS QDs. It was …
CuInS 2/ZnS quantum dots (QDs) combined with red CuInS 2/ZnS or CdSe/ZnS QDs. It was …
Controlling phosphor particle distribution for high-angular-color-uniformity and low-cost LEDs based on thermalcapillary flow
J Liu, W Wang, X Lu, C Zhang, Z Gong… - … on Electron Devices, 2020 - ieeexplore.ieee.org
Low cost and high performance are the pursuing goals of the light-emitting diode (LED)
packaging. The phosphor layer configuration of LEDs significantly influences optical …
packaging. The phosphor layer configuration of LEDs significantly influences optical …