| 摘要 |
A liquid crystal display (LCD) device has a housing acting as a conductor, a plurality of circuits, and at least a filter unit. Each circuit has a reference voltage terminal electrically connected to a reference voltage level. When the reference voltage terminal of each circuit is electrically connected to the housing, one filter unit is electrically connected between the housing and a ground terminal. When the housing is electrically connected to the ground terminal, a plurality of filter units are respectively connected between the housing and the reference voltage terminal of each circuit.
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