Electroluminescent elements, i.e. EL-array

Full Title

Apparatus for electrophotographic processes > Arrangements for exposing and producing an image > Changing or enhancing the image > Producing a clean non-image area, i.e. avoiding show-around effects > Charge-erasing means for the non-image area > Light-emitting array or panel > Electroluminescent elements, i.e. EL-array