| 摘要 |
<p>An illumination device (1) which self-responds to the level of ambient light in its own environment includes a lamp holder (10), a light source (20), a brightness adjusting module (30), a light sensing unit (40), and a driving control unit (50). The lamp holder (10) defines an inserting groove (11) according to a connector (13) placed above a circuit board (12). The automatically brightness adjusting module (30) includes a connecting port (31), and is inserted into the inserting groove (11). The connecting port (31) is electrically connected to the connector (13). The light sensing unit (40) is position on the automatically brightness adjusting module (30), for receiving a light intensity and emitting a signal according to the light intensity. The driving control unit (50) is positioned on the automatically brightness adjusting module (30), and electrically connected to the light sensing unit (40) and the connecting port (31), for receiving the signal and emitting a driving signal, thus the light source (20) emits lights of an corresponding illumination intensity according to the driving signal.
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