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Eu(II)-Activated Silicates for UV Light-Emitting Diodes Tuning into Warm White Light
(2020-08-01)
White-light-emitting diodes (WLEDs) are the main white light source for general lighting due to high-luminous efficacy (>150 lm W−1), long lifespan (5 × 104 h), and environmentally friendly properties. Despite the current ...
Dy3+/Tb3+-codoped tunable warm light-emitting fluorogermanate glass phosphor
(2016-11-01)
Polychromatic tunable visible light emission in the region of the low correlated color temperature range using Dy3+/Tb3+ codoped PbGeO3:PbF2:CdF2 glass phosphor under UV-blue LED light excitation is presented. The glass ...
White emission in polymer light-emitting diodes: color composition by single-layer electroluminescence and external photoluminescence component
(Elsevier BVAmsterdam, 2014-09)
White emitting devices were obtained through a single component system by combining two materials with different emission properties: a greenish electroluminescent polymer, known as poly[(9,9-dioctylfluorenyl-2,7-diyl)-a ...
SURMOF Devices Based on Heteroepitaxial Architectures with White-Light Emission and Luminescent Thermal-Dependent Performance
(Wiley-VCH, 2020-12)
A new set of Ln-MOF (lanthanide-metal-organic framework) thin films, known as Ln-SURMOFs (surface-supported MOFs), is fabricated with a layer-by-layer, in order to generate solid-state white-lighting devices. A three-component ...
Recent prospects on phosphor-converted LEDs for lighting, displays, phototherapy, and indoor farming
(2021-09-01)
Phosphor-converted white-light-emitting diodes (PC-WLEDs) are the main devices behind solid-state lighting (SSL) for both indoor and outdoor lighting, or backlight of liquid-crystal displays (LCD). Nonetheless, despite the ...
Background interference on the color of dental composite materials with different thickness by digital contrast
(2007-08-31)
In this work the color dependence of resin composites with the background color was evaluated. The objective was to measure since what thickness the color of the sample stops being influenced by the color of the background ...
Background interference on the color of dental composite materials with different thickness by digital contrast
(2007-08-31)
In this work the color dependence of resin composites with the background color was evaluated. The objective was to measure since what thickness the color of the sample stops being influenced by the color of the background ...
Continuous white-blue LED light exposition delays postharvest senescence of broccoli
(Elsevier Science, 2016-01)
In this work, the impact of low intensity (20 μmol m-2 s-1) continue illumination with white and blue light-emitting diodes (WB LED) on the shelf life of broccoli heads stored at 5 °C or at 22 °C was assessed. At both ...