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Abstract:
Laser-driven projector puts forward urgent demand for light-conversion materials to achieve high-quality image display. Herein, a composite structure phosphor-in-glass film (PiGF) is fabricated via screen-printing YAG:Ce and low-melting glass on the alumina substrate. Benefited from well-retained optical properties of YAG:Ce in amorphous glass and high thermal conductivity of substrate, PiGF can produce desirable luminous flux of 7169 lm and luminous efficiency of 192 lm W−1 at saturation threshold of 13.25 W mm−2. Furthermore, it is demonstrated that thermal management by using a cool fan with aluminum heat sink is essential to reduce heat aggregation and improve white-light stability of PiGF-based laser lighting source operated in a reflective mode. Accordingly, a PiGF-converted laser projection system is successfully designed for the first time, showing more vivid and brighter display feature benefited from high laser-driven luminance of LCD screen (2180 cd m−2). This work highlights the practical application of PiGF@alumina-substrate composite as an efficient laser-driven color converter in high-brightness projection display. © 2023 Wiley-VCH GmbH.
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Advanced Materials Technologies
ISSN: 2365-709X
Year: 2023
Issue: 15
Volume: 8
6 . 4
JCR@2023
6 . 4 0 0
JCR@2023
ESI HC Threshold:49
JCR Journal Grade:1
CAS Journal Grade:3
Cited Count:
SCOPUS Cited Count: 17
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
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