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TELKOMNIKA Telecommunication Computing Electronics and Control
Study of Ba2Li2Si2O7:Eu2+ phosphor for enhancing the luminous flux of white LEDs
The best spectrum characteristics and photometric productivities of white
light emitting diode (WLED) device possessing light emitting diodes (LEDs)
in red rather than phosphor pc/R-WLEDs with the hue fidelity index
(Rf) > 97 for correlated color…
light emitting diode (WLED) device possessing light emitting diodes (LEDs)
in red rather than phosphor pc/R-WLEDs with the hue fidelity index
(Rf) > 97 for correlated color…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Surface coated red phosphors with silica nanoparticles and silica nanocomposites: performance modifications
Surface coverings using nanomaterials of silica nanoparticles and poly
(methyl methacrylate) – abbreviated “PMMA-silica nanomaterials” – are
introduced to the Y2O2S:Eu3+ phosphor through four distinct approaches. The objective is to enhance…
(methyl methacrylate) – abbreviated “PMMA-silica nanomaterials” – are
introduced to the Y2O2S:Eu3+ phosphor through four distinct approaches. The objective is to enhance…
TELKOMNIKA Telecommunication Computing Electronics and Control
For improvements in chromatic scales and luminescent fluxes of white lights: developing a dual-layer remote phosphor structure
This study compares red-phosphor LaOF:Eu3+ impacts on a single-film
remote phosphor configuration (SRPC) and a double-film remote phosphor
configuration (DRPC). Mie theory is used to demonstrate the relationship
between light flux and color…
remote phosphor configuration (SRPC) and a double-film remote phosphor
configuration (DRPC). Mie theory is used to demonstrate the relationship
between light flux and color…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Benefits of using TiO2 quantum dots in producing low-cost and high-quality white light-emitting diodes
Quantum dots (QDs) is considered as a potential material for the
improvement of light-emitting diodes (LEDs). However, different from the traditional phosphor materials, they have unique scattering and absorption properties affected by their several…
improvement of light-emitting diodes (LEDs). However, different from the traditional phosphor materials, they have unique scattering and absorption properties affected by their several…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Integrating SiO2 nanoparticles to achieve color uniformity and luminous efficiency enhancement for white light emitting diodes
A phosphor structure with SiO2 nanoparticles is proposed to achieve the
enhancement in the correlated color temperature (CCT) homogeneity and the
luminescence performance for white light-emitting diodes (WLEDs). As
SiO2 is integrated into the…
enhancement in the correlated color temperature (CCT) homogeneity and the
luminescence performance for white light-emitting diodes (WLEDs). As
SiO2 is integrated into the…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Green Ca2La2BO6.5:Pb2+ phosphor: an innovative solution in enhancing the color quality and luminous flux of WLEDs
Light-emitting diodes devices that embedded with multiple chips (multi-
chip white LEDs (MCW-LEDs)) are an advanced lighitng solution with
much potential for improvement in the lighting industry. However, to further
the applicacations and…
chip white LEDs (MCW-LEDs)) are an advanced lighitng solution with
much potential for improvement in the lighting industry. However, to further
the applicacations and…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
The influences of calcium fluoride and silica particles on improving color homogeneity of WLEDs
The LEDs lighting device with phosphor ingredient (pcLEDs) is among
the most common lighting methods in recent years and evaluated by chromatic uniformity and lighting capacity. Therefore, we introduce the phosphor particles that can improve the…
the most common lighting methods in recent years and evaluated by chromatic uniformity and lighting capacity. Therefore, we introduce the phosphor particles that can improve the…
TELKOMComparison of calcium carbonate and titania particles on
improving color homogeneity and luminous flux of WLEDsNIKA Telecommunication, Computing, Electronics and Control
In this paper, the experiments on phosphor-converted LEDs (pc-LEDs) with a correlated color temperature (CCT) of 8500K has been conducted with the scattering enhancement particles (SEPs) to achieve the higher color uniformity and emitted luminous…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Na3Ce(PO4)2:Tb3+ and Na(Mg2–xMnX)LiSi4O10F2:Mn phosphors: a suitable selection for enhancing color quality and luminous flux of remote white light-emitting diodes
This study proposed the TRP, a remote phosphor structure that has 3 phosphor layers, to ehance the chromatic quality and lumen output for white light-emitting diodes devices (WLEDs). The arrangment of phosphor layers is yellow YAG:Ce3+ phosphor,…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Multilayer phosphor-in-glass packaging for the development in WLED color uniformity
When mentioning the remote phosphor structure, the most noticeable
advantage is its higher luminous flux than any other structure’s. However,
there are existing flaws in their color uniformity and color rendering index
(CRI). Thus, the…
advantage is its higher luminous flux than any other structure’s. However,
there are existing flaws in their color uniformity and color rendering index
(CRI). Thus, the…