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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F13%3A39897295%21RIV14-MSM-25310___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
In printing industry it is an important step to create more interactive designs to attract the customers. One of them is the utilization of electroluminescence. The properties of an electroluminescent device depend on the panel's structure, used materials, driving voltage and frequency. In this paper, an all printed electroluminescent panel is presented with different layer orders or number of layers. The panels' structures differ in the position and thickness of the dielectric layer. These different structures are causing changes in threshold voltage, highest obtainable luminance and durability of the panel. The behaviour of the panels and crystals of the active layer was inspected via spectrophotometry and optical microscopy in the range of voltages from 10 to 120 V at frequencies of 50 and 500 Hz driven by an AC power source. The results show that the panel structure with a single dielectric layer from only one side of the active layer, independently on the position (in front of or behind the active layer) has the highest luminance. It was revealed that the best durability is achieved with a double dielectric layer from both sides of the active layer. Occurrence of sparking is not acceptable, and thus as the most compliant panel structure is the panel with one dielectric layer from both sides of the active layer with luminance of more than 20 cd m?2. The heat arising from the sheet resistance of indium tin oxide showed a slight red shift in the emission spectra. A test on a ceramic heating table revealed that the shift is caused by heat. In printing industry it is an important step to create more interactive designs to attract the customers. One of them is the utilization of electroluminescence. The properties of an electroluminescent device depend on the panel's structure, used materials, driving voltage and frequency. In this paper, an all printed electroluminescent panel is presented with different layer orders or number of layers. The panels' structures differ in the position and thickness of the dielectric layer. These different structures are causing changes in threshold voltage, highest obtainable luminance and durability of the panel. The behaviour of the panels and crystals of the active layer was inspected via spectrophotometry and optical microscopy in the range of voltages from 10 to 120 V at frequencies of 50 and 500 Hz driven by an AC power source. The results show that the panel structure with a single dielectric layer from only one side of the active layer, independently on the position (in front of or behind the active layer) has the highest luminance. It was revealed that the best durability is achieved with a double dielectric layer from both sides of the active layer. Occurrence of sparking is not acceptable, and thus as the most compliant panel structure is the panel with one dielectric layer from both sides of the active layer with luminance of more than 20 cd m?2. The heat arising from the sheet resistance of indium tin oxide showed a slight red shift in the emission spectra. A test on a ceramic heating table revealed that the shift is caused by heat.
dcterms:title
BEHAVIOUR OF PRINTED ELECTROLUMINISCENT PANEL IN ACCORDANCE TO ORDER OF LAYERS BEHAVIOUR OF PRINTED ELECTROLUMINISCENT PANEL IN ACCORDANCE TO ORDER OF LAYERS
skos:prefLabel
BEHAVIOUR OF PRINTED ELECTROLUMINISCENT PANEL IN ACCORDANCE TO ORDER OF LAYERS BEHAVIOUR OF PRINTED ELECTROLUMINISCENT PANEL IN ACCORDANCE TO ORDER OF LAYERS
skos:notation
RIV/00216275:25310/13:39897295!RIV14-MSM-25310___
n10:predkladatel
n11:orjk%3A25310
n3:aktivita
n15:I n15:S
n3:aktivity
I, S
n3:cisloPeriodika
prosinec
n3:dodaniDat
n13:2014
n3:domaciTvurceVysledku
n4:3446913 n4:4409442 n4:6011144
n3:druhVysledku
n12:J
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
63037
n3:idVysledku
RIV/00216275:25310/13:39897295
n3:jazykVysledku
n18:eng
n3:klicovaSlova
heating; layer order; printed electroluminescent panel; ZnS; electroluminescence
n3:klicoveSlovo
n5:heating n5:layer%20order n5:ZnS n5:electroluminescence n5:printed%20electroluminescent%20panel
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[3DFD6A3A4DE7]
n3:nazevZdroje
Scientific Papers of the University of Pardubice, Series A, Faculty of Chemical Technology
n3:obor
n16:JA
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n13:2013
n3:svazekPeriodika
19
n3:tvurceVysledku
Syrový, Tomáš Němec, Petr Petruf, Kristián
s:issn
1211-5541
s:numberOfPages
13
n14:organizacniJednotka
25310