The generation of noise due the excitation of electronic circuits on a printed circuit board disposed in close proximity to the rear face of an EL as a result of a high voltage alternating current is prevented by the formation of {HEAD ~ a shield layer} on the rear face of {TAIL ~ the EL} 
The generation of noise due the excitation of electronic circuits on a printed circuit board disposed in close proximity to the rear face of an EL as a result of a high voltage alternating current is prevented by the formation of { HEAD ~ a shield layer } on the rear face of { TAIL ~ the EL }
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