Marking having electroluminescent lighting effect, method for the production thereof

Abstract

An electroluminescent arrangement is described. This electroluminescent arrangement comprises the following functional layers: (a) rear electrode as layer A; (b) dielectric layer as layer B; (c) electroluminescent layer as layer C; and (d) cover electrode as layer D.

1 .- 29 . (canceled) 
     
     
         30 . An electroluminescent arrangement, wherein the arrangement comprises the following structure of functional layers:
 (a) rear electrode as component BE;   (b) dielectric layer as component BD;   (c) electroluminescent layer as component BC; and   (d) cover electrode as component BA.   
     
     
         31 . The electroluminescent arrangement according to  claim 30 , wherein the electroluminescent arrangement is applied via the rear electrode to a rear substrate. 
     
     
         32 . The electroluminescent arrangement according to  claim 31 , wherein the electroluminescent arrangement is connected to the rear substrate via an adhesive layer, which is provided between the rear electrode and the rear substrate. 
     
     
         33 . The electroluminescent arrangement according to  claim 30 , wherein a further cover substrate is provided on the cover electrode. 
     
     
         34 . The electroluminescent arrangement according to  claim 33 , wherein the electroluminescent arrangement is connected to the cover substrate via an adhesive layer, which is provided between the cover electrode and the cover substrate. 
     
     
         35 . The electroluminescent arrangement according to  claim 32 , wherein the adhesive system is based on a system comprising silicone, ethylene vinyl acetate, PVC or on a thermoplastic urethane elastomer. 
     
     
         36 . The electroluminescent arrangement according to  claim 35 , wherein the adhesive system is formed as a film. 
     
     
         37 . The electroluminescent arrangement according to  claim 30 , wherein a layer of a white lacquer is applied to the cover substrate. 
     
     
         38 . The electroluminescent arrangement according to  claim 37 , wherein a reflecting layer is provided on the layer of the white lacquer. 
     
     
         39 . The electroluminescent arrangement according to  claim 38 , wherein the reflecting layer and/or the cover substrate comprises hollow glass spheres. 
     
     
         40 . The electroluminescent arrangement according to  claim 39 , wherein the hollow glass spheres have a mean diameter of 10 to 200 μm. 
     
     
         41 . The electroluminescent arrangement according to  claim 30 , wherein the composition of the cover electrode and/or the composition of the rear electrode includes multi-walled and/or single-walled carbon nanotubes. 
     
     
         42 . The electroluminescent arrangement according to  claim 30 , wherein the rear electrode and/or the cover electrode are contacted by means of a busbar. 
     
     
         43 . The electroluminescent arrangement according to  claim 42 , wherein the rear electrode is contacted via a busbar, wherein the busbar is provided between the rear electrode and the protective lacquer and/or the rear substrate. 
     
     
         44 . The electroluminescent arrangement according to  claim 42 , wherein the cover electrode is contacted via a busbar, wherein the busbar is provided between the cover electrode and the cover substrate. 
     
     
         45 . The electroluminescent arrangement according to  claim 30 , wherein the electrical connections of the at least two electrodes are provided on the rear side on the rear substrate. 
     
     
         46 . The electroluminescent arrangement according to  claim 45 , wherein the electrical connections of the at least two electrodes are implemented in the edge region of the electroluminescent arrangement. 
     
     
         47 . The electroluminescent arrangement according to  claim 45 , wherein the at least two electrical contacts of the electroluminescent arrangement are effected by means of recesses and contacting elements, which are formed as a screw connection, rivet connection or sawtooth-shaped connection and are inserted in a positive locking manner into the recess, so that they effect an electrical contact with the corresponding electrode. 
     
     
         48 . The electroluminescent arrangement according to  claim 30 , wherein at least one of the rear electrode or the cover electrode comprises a metal grid or grating. 
     
     
         49 . The electroluminescent arrangement according to  claim 48 , wherein the metal grid consists substantially of a metal, which is selected from the group consisting of silver, copper, gold, platinum, brass, iron and nickel. 
     
     
         50 . The electroluminescent arrangement according to  claim 49 , wherein the metal grid consists substantially of silver. 
     
     
         51 . The electroluminescent arrangement according to  claim 30 , wherein the electroluminescent arrangement is used in the frame of an automobile distinguishing sign. 
     
     
         52 . A distinguishing sign for an automobile which comprises the electroluminescent arrangement according to  claim 30 . 
     
     
         53 . A front diaphragm blank comprising the electroluminescent arrangement according to  claim 30 . 
     
     
         54 . A process for producing a front diaphragm blank, which comprises preparing an arcuate format from the electroluminescent arrangement according to  claim 30  and the blank is then cut out, stamped out or otherwise fashioned, in a predetermined size from this arcuate format. 
     
     
         55 . The process according to  claim 54 , wherein a multiple impression arcuate format is used in the process. 
     
     
         56 . The process according to  claim 54 , wherein the blank is provided with further security features by means of printing techniques. 
     
     
         57 . A distinguishing sign comprising the electroluminescent arrangement according to  claim 30 , wherein the distinguishing sign is fixed in a frame and the at least two electrical connections are joined to an EL inverter, which optionally in turn is connected to the electrical circuit of the vehicle and optionally is automatically supplied with current when starting the vehicle, and in this way causes the EL film to luminesce. 
     
     
         58 . The electroluminescent arrangement according to  claim 30 , wherein the metal grid avoids breaks in electrical conductivity of the electrodes of electroluminescent arrangement.