DISPLAY SHEET AND DISPLAY DEVICE USING DISPLAY SHEET

摘要

PROBLEM TO BE SOLVED: To obtain a display device as an advertisement medium recognizable day and night on a rear window of an automobile for business use. SOLUTION: A display object is composed by offset printing, heat transfer printer or heat transfer paper or the like on a special phosphor layer which emits white light is displaying objects by using near UV ray hardly visible to man and the special phosphor which emits light by receiving the near UV rays.