发明授权
- 专利标题: Device for driving capacitive load
- 专利标题(中): 用于驱动电容性负载的装置
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申请号: US09547678申请日: 2000-04-12
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公开(公告)号: US06580409B1公开(公告)日: 2003-06-17
- 发明人: Takeshi Ito , Hideki Saito , Toshinori Ninoyu
- 申请人: Takeshi Ito , Hideki Saito , Toshinori Ninoyu
- 优先权: JP11-105640 19990413
- 主分类号: G09G330
- IPC分类号: G09G330
摘要:
A number of capacitive pixels formed in an electroluminescent display panel are selectively charged and discharged by the driving device. The driving device is composed of a charging circuit connected between a power source and the pixels and a discharging circuit connected between the pixels and the ground. Both the charging and discharging circuits include a respective inductive coil that constitutes a series L-C circuit together with the capacitive pixel. Since the pixels are charged and discharged through the series L-C circuit, impulse current otherwise flows in and out of the pixels is suppressed, and thereby radio noises generated by the impulse current are prevented.
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