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Transparent Ceramic@Sapphire Composites for High‐Power Laser‐Driven Lighting [PDF]

Advanced Science
Although phosphor ceramics are promising candidates for high‐power laser lighting applications, their performance is seriously restricted by luminance saturation effects. This study proposes a novel transparent ceramic@sapphire composite material design,
Guoyu Xi, Shisheng Lin, Tongjie Shen, Tao Pang, Zikang Yu, Yang Peng, Lingwei Zeng, Yuxiang Ke, Zhehong Zhou, Ronghua Chen, Feng Huang, Daqin Chen   +11 more
doaj   +4 more sources

Ceramic phosphors for laser-driven lighting

Review of Materials Research
Laser-driven (LD) lighting is highly demanded in the next-generation lighting technology owing to its advantages of high power, high brightness and compact size. The laser-phosphor conversion technology has become dominant for LD lighting due to its high
Pan Hu, Yongcai Shi, Qiping Du, Shaowei Feng, Yong Yang, Lingyun Li, Kunfeng Chen, Dongfeng Xue   +7 more
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Efficient and stable laser-driven white lighting [PDF]

AIP Advances, 2013
Laser-based white lighting offers a viable option as an efficient and color-stable high-power solid-state white light source. We show that white light generation is possible using blue or near-UV laser diodes in combination with yellow-emitting cerium ...
Kristin A. Denault, Michael Cantore, Shuji Nakamura, Steven P. DenBaars, Ram Seshadri   +4 more
doaj   +2 more sources

Second-level fast sintering enables high-brightness light source for visible light communication [PDF]

Nature Communications
Laser-driven light sources are critically important for lighting, display, and communication systems. However, the traditional phosphor ceramics used in these light sources suffer from low light conversion efficiency, low color rendering index and ...
Guojuan Wang, Wei Xiong, Linrong Qiu, Chengwu Hong, Ye Liu, Yutong He, Shuxing Li, Rong-Jun Xie   +7 more
doaj   +2 more sources

Beyond peak wavelength: spectral bandwidth of blue and red-blue laser diodes modulates photosynthesis, canopy architecture, chlorophyll maintenance, and whole-plant growth [PDF]

Frontiers in Plant Science
High planting densities in indoor horticulture often accelerate lower-leaf chlorophyll degradation, increasing trimming frequency, reducing effective photosynthetic area, and raising labor costs.
Lie Li, Ryusei Sugita, Hiroyuki Togawa, Ichiro Terashima, Wataru Yamori   +4 more
doaj   +2 more sources

Patterned phosphor-in-glass films with efficient thermal management for high-power laser projection displays

Journal of Advanced Ceramics, 2023
Recently, high-performance color converters excitable by blue laser diode (LD) have sprung up for projection displays. However, the thermal accumulation effect of the color converters is a non-negligible problem under high-power LD irradiation.
Zezhong Yang, Song Zheng, Guoyu Xi, Tao Pang, Shaoxiong Wang, Qingying Ye, Bin Zhuang, Daqin Chen   +7 more
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Fabrication of LuAG:Ce³⁺ Ceramic Phosphors Prepared with Nanophosphors Synthesized by a Sol-Gel-Combustion Method

Micromachines, 2022
The aim of this study was to investigate properties of ceramic phosphors fabricated using nano Lu3Al5O12:Ce3+ phosphors produced with a sol-gel-combustion method.
Seok Bin Kwon, Seung Hee Choi, Jung Hyeon Yoo, Seon Yeong Lee, Bo Young Kim, Ho Jung Jeong, Wan Ho Kim, Jae Pil Kim, Bong Kyun Kang, Dae Ho Yoon, Young Hyun Song   +10 more
doaj   +1 more source

Glass crystallization making red phosphor for high-power warm white lighting

Light: Science & Applications, 2021
Rapid development of solid-state lighting technology requires new materials with highly efficient and stable luminescence, and especially relies on blue light pumped red phosphors for improved light quality.
Tao Hu, Lixin Ning, Yan Gao, Jianwei Qiao, Enhai Song, Zitao Chen, Yayun Zhou, Jing Wang, Maxim S. Molokeev, Xiaoxing Ke, Zhiguo Xia, Qinyuan Zhang   +11 more
doaj   +1 more source

Monolithic translucent BaMgAl10O17:Eu2+ phosphors for laser-driven solid state lighting

AIP Advances, 2016
With high power light emitting diodes and laser diodes being explored for white light generation and visible light communication, thermally robust encapsulation schemes for color-converting inorganic phosphors are essential.
Clayton Cozzan, Michael J. Brady, Nicholas O’Dea, Emily E. Levin, Shuji Nakamura, Steven P. DenBaars, Ram Seshadri   +6 more
doaj   +1 more source

A reflective sapphire@PiGF@alumina color converter enabling ultrahigh luminescence laser-driven white lighting

Journal of Advanced Ceramics
High-brightness laser lighting faces grave challenges in the development of laser-driven color converters that simultaneously possess excellent optical performance and superior heat dissipation.
Xinyuan Wang, Jingxiang Qu, Hongjin Zhang, Deyi Chen, Ben Tian, Yun Mou, Jianming Xu, Yang Peng   +7 more
doaj   +1 more source