Angle-resolved photoluminescence spectrum of a uniform phosphor layer
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DOI: 10.1063/1.5000478
Abstract: A photoluminescence spectrum depends on an emission angle due to self-absorption in a phosphor material. Assuming isotropic initial emission and Lambert-Beer’s law, we have derived simple expressions for the angle-resolved spectra emerging from the top… read more here.
Keywords: uniform phosphor; phosphor layer; angle resolved; phosphor ... See more keywords
Formation of Coated Phosphor Layers by Rotation–Revolution for Remote-Phosphor LED Bulbs and Characterization of LED Light Bulb With Super High Color Rendition
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Components, Packaging and Manufacturing Technology"
DOI: 10.1109/tcpmt.2018.2854680
Abstract: We have developed a new system for coating phosphor globes used in remote-phosphor-type light-emitting diode (RP-LED) bulbs. The system has a rotation–revolution coating apparatus and a heating unit. After dispensing a phosphor slurry mixed with… read more here.
Keywords: phosphor layer; led bulbs; remote phosphor; phosphor ... See more keywords
A Facile Approach to Fabricate Patterned Surfaces for Enhancing Light Efficiency of COB-LEDs
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2017.2734105
Abstract: Light efficiency of chip-on-board light-emitting diodes (COB-LEDs) is much lower than the single-chip packaging LEDs due to its flat phosphor layer, and hemispherical phosphor layer realization is a great challenge in COB-LEDs packaging due to… read more here.
Keywords: patterned surfaces; cob leds; phosphor layer; phosphor ... See more keywords
An Analysis of ZnS:Cu Phosphor Layer Thickness Influence on Electroluminescence Device Performances
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DOI: 10.1155/2017/6752984
Abstract: Electroluminescence (EL) device is a new technology; its thickness is within micrometer range which can bend more easily and emit light. However, the thickness of ZnS:Cu phosphor layer may affect the light intensity, so we… read more here.
Keywords: zns phosphor; device; thickness; phosphor layer ... See more keywords
Flexible fabrication of a patterned red phosphor layer on a YAG:Ce3+ phosphor-in-glass for high-power WLEDs
Sign Up to like & getrecommendations! Published in 2018 at "Optical Materials Express"
DOI: 10.1364/ome.8.000605
Abstract: We proposed a flexible and mask-less approach to directly fabricate a patterned red phosphor layer on a Y3Al5O12:Ce3+ (YAG:Ce3+) phosphor-in-glass (PiG) for high-power white light-emitting diodes (WLEDs). This approach was realized by ultraviolet (UV) assisted… read more here.
Keywords: yag ce3; phosphor; red phosphor; phosphor layer ... See more keywords