发明授权
- 专利标题: Voltage level indicator
- 专利标题(中): 电压指示器
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申请号: US09313546申请日: 1999-05-14
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公开(公告)号: US06229266B1公开(公告)日: 2001-05-08
- 发明人: Jeroen Van Velzen , Coen T. H. F. Liedenbaum
- 申请人: Jeroen Van Velzen , Coen T. H. F. Liedenbaum
- 优先权: EP98201608 19980518
- 主分类号: G09G310
- IPC分类号: G09G310
摘要:
Integrated voltage level indicator comprising a plurality of polymer LEDs between two contact leads, in which the number of luminescing LEDs and/or the intensity of the light in each LED is determined by the external voltage level.
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