THERMOCHROMIC DEVICE BASED ON TRANSPARENT FLEXIBLE ELECTRODES OBTAINED BY ELECTRO-SPINNING

The invention relates to a thermochromic device and to a process for making the same, using polymeric fibres obtained by electro-spinning, with application in the field of display devices and optoelectronics. According to the invention, the flexible thermochromic device consists of a polymeric fibre...

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Bibliographische Detailangaben
Hauptverfasser:	BUSUIOC CRISTINA, COSTAS LILIANA-ANDREEA, OANCEA MIHAELA, ENCULESCU MARIA-MONICA, EVANGHELIDIS ALEXANDRU IONUŢ, MATEI ELENA, ENCULESCU IONUŢ-MARIUS, PREDA NICOLETA-ROXANA, FLORICA CAMELIA-FLORINA
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	BRAIDING COTTON-WOOL DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FREQUENCY-CHANGING KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NON-LINEAR OPTICS NON-WOVEN FABRICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TEXTILES TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	The invention relates to a thermochromic device and to a process for making the same, using polymeric fibres obtained by electro-spinning, with application in the field of display devices and optoelectronics. According to the invention, the flexible thermochromic device consists of a polymeric fibre network coated with a metallic layer, on which predefined configurations of thermochromic paint are subsequently applied. The process, as claimed, consists in preparing the polymeric fibre networks as non-woven meshes, using the electro-spinning process, followed by coating the polymeric fibre network with a uniform metallic layer by cathode sputtering or thermal evaporation, attaching the metal-coated polymeric fibre networks to flexible substrates by heating or by exerting a certain pressure and, finally, making the desired thermochromic paint configurations on the structures resulted from the previous step.