| 摘要 |
The invention concerns a planar or substantially planar luminous structure comprising: first and second opposite walls (2, 3) delimiting an inner space (10) including a light source (6, 7); first and second electrodes (4) for the light source, generating lines of electric field with at least one component perpendicular to the first and second electrodes, the first electrode (4) is supplied or capable of being supplied by a high frequency electromagnetic signal. The invention is characterized in that it comprises, as an outer coating of the first electrode, an electrical safety system including an electric conductor (41) separated from the first electrode by a dielectric (14), said conductor being connected or capable of being connected to an electric supply with a potential V and/or a frequency f adjusted such that the peak value of the outer leakage current is not more than 2 mA, if f is nil, or not more than 0.7 mA, if f is non-null.
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