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TELKOMNIKA Telecommunication Computing Electronics and Control
Using phosphor ZnB2O4:Mn2+ for enhancing the illuminating beam and hue standard in white light-emitting diodes
The enhancement in hue uniformity and luminous production of multiple-chip
white LED lamps (MCW-LEDs) using dual-layer remote phosphor packaging
designs are the emphases of this paper. We blended Mn2+ activated
strontium–barium silicate…
white LED lamps (MCW-LEDs) using dual-layer remote phosphor packaging
designs are the emphases of this paper. We blended Mn2+ activated
strontium–barium silicate…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Superior hue output as well as lumen for WLEDs with dual-sheet distant layouts of phosphor
Remote phosphor constructions usually have color quality drawbacks but are more luminous in terms of lumen, surpassing conformal phosphor or in-cup layouts of phosphor. From this disadvantage, there is a great number of studies carried out to boost…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Chroma consistency and luminous efficacy for a WLED using remote phosphor configuration with a tri-layer design
The light quality of white-light-emitting diodes (WLEDs), an essential
element for the improvement of WLEDs performance, can now be estimated by the angular color uniformity (ACU). In this study, a single
micro-patterned layer is used to compare…
element for the improvement of WLEDs performance, can now be estimated by the angular color uniformity (ACU). In this study, a single
micro-patterned layer is used to compare…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Enhancing light sources color homogeneity in high-power phosphor-based white LED using ZnO particles
Color uniformity is one of the essentials for the on-going development of
WLED. To achieve a high color uniformity index, increasing the scattering events within the phosphor layers was reported to be the most efficient method and in this article,…
WLED. To achieve a high color uniformity index, increasing the scattering events within the phosphor layers was reported to be the most efficient method and in this article,…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
The options in remote phosphor structure for better white LEDs color quality
The WLEDs configuration with remote phosphor layers has higher
luminescent performance than WLEDs with dispense coating or conformal coating and is applied for many modern devices. However, managing the chromatic performance of lighting structure…
luminescent performance than WLEDs with dispense coating or conformal coating and is applied for many modern devices. However, managing the chromatic performance of lighting structure…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Using flat phosphor layer in dual-layer remote phosphor configuration to improve luminous efficacy
The phosphor layer shape and components distances are the subjects proposed
to advance the quality of WLEDs in this article. The two distances, between
phosphor layers (d1) and between the phosphor layer and the LED chip (d2) in
Flat dual-remote…
to advance the quality of WLEDs in this article. The two distances, between
phosphor layers (d1) and between the phosphor layer and the LED chip (d2) in
Flat dual-remote…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
The application of (Y,Gd)BO3:Tb3+ and CaGa2S4:Mn2+ phosphors to remote white light-emitting diodes
The remote phosphor structure is superior to the conformal phosphor and the in-cup phosphor in terms of lighting efficiency; however, managing the color quality of the remote phosphor structure has been a nuisance to the manufacturers. To address…