大型スクロールメッセージ用蛍光表示管 : 情報入力 : 情報ディスプレイ : コンシューマエレクトロニクス

抄録

Vacuum Fluorecent Display (VFD) has been used mainly in hand held and desktop equipments because of its limitation of display area . The largest size of VFD's glass envelope with current technology is 350mm length. Although 350mm type VFDs are largely used for wall mount type information boards, the size of display area Is not enough for indoor use public information system. To realize the requirements of size for public information displays , both structure and driving issue have been resolved. As a result, 500mm length VFD, which has two times larger display area compared with existing largest one, has been successfully developed. This paper describes the "World largest" 500mm length VFD and its characteristics.