... 3.Super-thin,soft light 4. Maximum size:90cmX60cm backlight paper WHAT IS EL?EL Operating Theory:EL is an equipment ... 3cm can be acceptable, and can make any form you like, just like a paper, which is the main characteristic of EL ... . Back Light Application : All kinds of calculation, note- book-type computer, handy play boy, telephone, electronic note book, electronic dictionary, control ...