发明名称 DISPLAY PANEL
摘要 The invention relates to a display panel with a plurality of picture elements arranged in rows and columns and movable covering bodies placed on the visual side of the picture elements. For each picture element is herein arranged at least one separate covering body which is movable between a position revealing its associated picture element and a position covering the picture element. With such a panel messages and images can be displayed with great accuracy in different shades of grey. For each picture element a number of covering bodies can be arranged embodied in different colours, whereby coloured images can also be displayed.
申请公布号 WO9725701(A1) 申请公布日期 1997.07.17
申请号 WO1996NL00014 申请日期 1996.01.08
申请人 VAN DEN BOVENKAMP, FRANK, ALEXANDER 发明人 VAN DEN BOVENKAMP, FRANK, ALEXANDER
分类号 G09F9/37;(IPC1-7):G09F9/37 主分类号 G09F9/37
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