Electroluminescent device and method for producing same

H - Electricity – 05 – B

Patent

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Details

H05B 33/12 (2006.01) H05B 33/10 (2006.01) H05B 33/14 (2006.01) H05B 33/20 (2006.01) H05B 33/22 (2006.01) H05B 33/26 (2006.01)

Patent

CA 2356999

The present invention provides an electroluminescent device (10) comprising a transparent conductive layer (11), a binder layer (12, 14) placed on the back surface of the transparent conductive layer (11), a luminescent-particle layer (13) comprising a substantially single layer of particles containing luminescent particles, which layer is applied on the back surface of the transparent conductive layer (11) through the binder layer (12), an insulating layer (15) comprising insulating particles, which is placed on the back surface of the luminescent-particle layer (13), and a rear electrode (16) placed on the back surface of the insulating layer (15), in which the luminescent particles (13) are embedded in the binder layer (12, 14), or the luminescent particles are substantially not embedded in the insulating layer (15).

L'invention concerne un dispositif électroluminescent (10) comprenant une couche conductrice transparente (11), une couche liante (12, 14) placée sur la face arrière de la couche conductrice transparente (11), une couche de particules luminescentes (13) constituée de sensiblement une seule couche de particules contenant des particules luminescentes, ladite couche étant appliquée sur la face arrière de la couche conductrice transparente (11) à travers la couche liante (12), une couche isolante (15) comprenant des particules isolantes, placée sur la face arrière de la couche de particules luminescentes (13), et une électrode arrière placée sur la surface arrière de la couche isolante (15), les particules luminescentes (13) étant noyées dans la couche liante (12, 14), ou n'étant sensiblement pas noyées dans la couche isolante (15).

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