○ 개발배경

   · display가 점점 더 커지는 mobile device의 충전수요에 대응

   · high speed, low power consumption

○ 디자인특징

   · concentric plug에 꽂혀있는 다른 plug들과의 간섭을 고려한 구조

   · 손으로 잡고 사용하기 편리한 외관형태

   · ‘전력충전’의 의미를 형태적으로 표현한 color와 형태의 semantics design

○ Background of development

   · Response to recharged demands of mobile device whose display is gradually bigger

   · high speed, low power consumption

○ Characteristics of design

   · Structure considering the interference with other plugs of electric consent

   · Type of appearance which can be held by hands and used conveniently

   · Semantics design of colors and types which express meaning of ‘power recharge’ typically