The generation of noise due {TAIL ~ 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 {HEAD ~ the formation} of a shield layer on the rear face of the EL 
The generation of noise due { TAIL ~ 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 { HEAD ~ the formation } of a shield layer on the rear face of the EL
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