Electromagnetic shielding optical window based on graphene/transparent conductive film composite structure
A transparent conductive film and electromagnetic shielding technology, which is applied in the fields of magnetic field/electric field shielding, electrical components, glass/slag layered products, etc., can solve the problems of low electromagnetic reflection, electromagnetic leakage, mutual restriction of transparency and conductive shielding ability, etc. Achieve low electromagnetic reflection electromagnetic shielding performance, strong electromagnetic shielding performance, and realize the effect of light transmission characteristics
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[0035] The electromagnetic shielding light window is composed of successively overlapping and parallel arranged transparent absorbing layers 3, transparent medium 4 and transparent reflective layer 5; and a single-layer graphene film B10, and the transparent reflective layer is composed of a micro-ring metal grid 11.
[0036] The technical effects of the present invention are: when the electromagnetic shielding efficiency of the metal grid is 19.0dB, the electromagnetic shielding efficiency of the present invention is 23.2dB, and the absorption loss accounts for 58.0% of the total shielding energy, realizing the strong electromagnetic shielding mainly absorbing, And the light transmittance is 90.4%, which still has high light transmittance characteristics.
[0037] The present invention also corresponds to several other embodiments, the Figure 5 The metal grid is replaced by a transparent conductive metal compound film or nano-silver wire film, and the original arrangement o...
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