Lighting element with luminescent surface

H - Electricity – 01 – J

Patent

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Details

H01J 61/92 (2006.01) H01J 9/00 (2006.01) H01J 17/49 (2006.01) H01J 61/067 (2006.01) H01J 63/06 (2006.01) H01J 65/04 (2006.01) H05B 33/12 (2006.01) H01L 51/52 (2006.01)

Patent

CA 2488408

The invention concerns a lighting element (1) containing a dielectric layer (5) of a metal oxide with a front surface and a back surface, where the dielectric layer (5) contains an arrangement of elongated pores (8) extending between front and back surfaces through the dielectric layer (5) and the pores (8) are open to the front surface, and a base electrode (7) made from an electrically conductive material is arranged on the back surface, and in the pores (8) are arranged emitter rods (4) of an electrically conductive material, and a translucent layer of counter-electrode (2) of an electrically conductive material is arranged over the front surface of the dielectric layer (5), and a layer of luminescent material (3) is arranged between the to dielectric layer (5) and the base electrode (7). The layer of counter- electrode (2) is a part of the layer system of the lighting element (1), where the dielectric layer (5) has the function of a spacer and separates the base electrode (7) from the counter-electrode (2).

L'invention concerne un élément d'éclairage (1) contenant une couche diélectrique (5) d'oxyde métallique, qui présente une surface avant et une surface arrière. La couche diélectrique (5) contient un groupement de pores (8) allongés qui s'étendent entre les surfaces avant et arrière à travers la couche diélectrique (5). Les pores (8) sont ouverts sur la surface avant, et une électrode de base (7) faite d'une matière électriquement conductrice est placée sur la surface arrière. Des tiges (4) émettrices placées dans les pores (8) sont faites d'une matière électriquement conductrice ; une couche translucide de contre-électrode (2) faite d'une matière électriquement conductrice est placée sur la surface avant de la couche diélectrique (5) ; et une couche de matière luminescente (3) est placée entre la couche diélectrique (5) et l'électrode de base (7). La couche de contre-électrode (2) constitue une partie du système de couches de l'élément d'éclairage (1), la couche diélectrique (5) servant d'espaceur et séparant l'électrode de base (7) de la contre-électrode (2).

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