Textile-Based Flexible Electroluminescent Devices

Hu, Bin; Li, Dapeng; Ala, Okan; Manandhar, Prakash; Fan, Qinguo; Kasilingam, D.; Calvert, Paul

doi:10.1002/adfm.201001110

Cited by 123 publications

(85 citation statements)

References 22 publications

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“…Existe un gran número de referencias de dispositivos el depositados sobre plástico y también dispositivos el comerciales depositados sobre plástico con luminancias máximas entre 20-200 cd/m 2 . Sin embargo, la producción de dispositivos sobre sustrato textil [5] todavía no ha sido presentada. En este trabajo se presenta el primer ejemplo de dispositivo electroluminiscente desarrollado sobre sustrato textil por serigrafía roll to roll con elevada estabilidad frente al agua.…”

Section: Figura 1 Estructura Básica Dispositivos Electroluminiscentesunclassified

Desarrollo de dispositivos electroluminiscentes por R2R

Grandes¹,

Abril²,

Sagrera³

2014

ing. Solidar

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Resumen. Los dispositivos electroluminiscentes (el) son un ejemplo perfecto de iluminación en estado sólido. La fabricación de los dispositivos se ha llevado a cabo con una serigrafía plana roll-to-roll imprimiendo un total de 4 capas, donde cada capa se coloca una sobre la otra, fabricando 200 dispositivos al día. Los dispositivos el se han sometido a condiciones ambientales extremas introduciendo los dispositivos en el interior de la cámara climática a 40 ºC y 90% rh durante un máximo de 336h, aplicando una tensión de 150 V y 750 Hz. Se investigó la protección de los dispositivos electroluminiscentes frente a la humedad y la temperatura. Los films ensayados proporcionan menor protección que las tintas de silicona, ya que estas proporcionan mejores propiedades tanto de flexibilidad del sistema como de resistencia frente a la humedad y temperatura.Palabras clave: electroluminiscente, encapsulación, inorgánico, roll to roll, tejido. Developing Electroluminescent Devices Using R2Rabstract. Electroluminescent (el) devices are a perfect example of solidstate lighting. These devices have been produced using flat roll-to-roll screen printing in a total of four layers, one on top of another, making 200 devices a day. el devices have been subjected to extreme conditions in environmental chambers at 40 ºC and 90% relative humidity for up to 336 hours, applying a voltage of 150 V and 750 Hz. The protection of electroluminescent devices against humidity and temperature was investigated, and it was found that the films tested offer less protection than silicon inks, as these provide greater system flexibility as well as greater resistance to humidity and temperature.Keywords: electroluminescent, encapsulation, inorganic, roll-to-roll, fabric. Desenvolvimento de dispositivos eletroluminescentes por R2RResumo. Os dispositivos eletroluminescentes (el) são um exemplo perfeito de iluminação em estado sólido. A fabricação dos dispositivos se realizou com uma serigrafia plana roll-to-roll imprimindo um total de 4 camadas, em que cada camada se coloca uma sobre a outra, fabricando 200 dispositivos por dia. Os dispositivos el foram submetidos a condições ambientais extremas ao introduzir os dispositivos no interior da câmera climática a 40ºC e 90% rh durante um máximo de 336h, e aplicar uma tensão de 150 V e 750 Hz. Pesquisou-se a proteção dos dispositivos eletroluminescentes ante a umidade e a temperatura. Os filmes ensaiados proporcionam menor proteção que as tintas de silicone, já que estas proporcionam melhores propriedades tanto de flexibilidade do sistema quanto de resistência ante a umidade e temperatura.Palavras-chave: eletroluminescente, encapsulação, inorgânico, roll-to-roll, tecido.

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Section: Figura 1 Estructura Básica Dispositivos Electroluminiscentesunclassified

Desarrollo de dispositivos electroluminiscentes por R2R

Grandes¹,

Abril²,

Sagrera³

2014

ing. Solidar

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“…16 The main components of EL devices are the rear electrode, dielectric material, light-emitter, and front electrode. 17,18 PEDOT:PSS has been used to produce EL devices 17,19,20 in addition to other applications such as self-healing, 21 solar cells, 22,23 and polymer photovoltaic cells. 24 On the other hand, in the EL device fabrication systems, PEDOT:PSS has been used to enhance hole injection using tin(II) fluoride (SnF 2 ) 25 in addition to serving as an anode and transparent electrode.…”

Section: Introductionmentioning

confidence: 99%

3D Printing of NinjaFlex Filament onto PEDOT:PSS-Coated Textile Fabrics for Electroluminescence Applications

Tadesse

Dumitrescu

Loghin

et al. 2017

Journal of Elec Materi

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Electroluminescence (EL) is the property of a semiconductor material pertaining to emitting light in response to an electrical current or a strong electric field. The purpose of this paper is to develop a flexible and lightweight EL device. Thermogravimetric analysis (TGA) was conducted to observe the thermal degradation behavior of NinjaFlex. Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonic acid)-PEDOT:PSS-with ethylene glycol (EG) was coated onto polyester fabric where NinjaFlex was placed onto the coated fabric using three-dimensional (3D) printing and phosphor paste, and BendLay filaments were subsequently coated via 3D printing. Adhesion strength and flexibility of the 3D-printed NinjaFlex on textile fabrics were investigated. The TGA results of the NinjaFlex depict no weight loss up to 150°C and that the NinjaFlex was highly conductive with a surface resistance value of 8.5 ohms/sq.; the coated fabric exhibited a uniform surface appearance as measured and observed by using four-probe measurements and scanning electron microscopy, respectively, at 60% PEDOT:PSS. The results of the adhesion test showed that peel strengths of 4160 N/m and 3840 N/m were recorded for polyester and cotton specimens, respectively. No weight loss was recorded following three washing cycles of NinjaFlex. The bending lengths were increased by only a factor of 0.082 and 0.577 for polyester and cotton samples at 0.1-mm thickness, respectively; this remains sufficiently flexible to be integrated into textiles. The prototype device emitted light with a 12-V alternating current power supply.

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“…Non printed and printed electroluminescent (EL) displays structures are known for a long time and its principles of functioning are widely described in literature [10][11][12][13][14] however according to the authors' knowledge any report about incorporation of spray coating for EL displays in plastic cards was not published.…”

Section: Introductionmentioning

confidence: 99%

Printed electroluminescent structures for smart cards

Wróblewski

Słoma

Kallmayer

et al. 2014

Proceedings of the 5th Electronics System-Integration Technology Conference (ESTC)

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We present a new method of fabrication of electroluminescent displays for the integration in plastic cards trough the lamination process. Our approach adapt new printed electronics technology for fabrication of elastic electroluminescent displays with lamination process which is impossible to replace in the production of such cards. Polycarbonate foils used as regular materials for such types of cards are used with specially developed transparent electrodes with double walled carbon nanotubes, dielectric and luminophore ink, deposited with spray coating technique. Silver nanopowder ink is printed as the bottom electrode with an ink-jet printer. In our solution the display can be integrated in cards only by printing and lamination without the use of additional processes or introducing additional electronic components

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Textile-Based Flexible Electroluminescent Devices

Cited by 123 publications

References 22 publications

Desarrollo de dispositivos electroluminiscentes por R2R

Desarrollo de dispositivos electroluminiscentes por R2R

3D Printing of NinjaFlex Filament onto PEDOT:PSS-Coated Textile Fabrics for Electroluminescence Applications

Printed electroluminescent structures for smart cards

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