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LIGHT EMITTING DEVICE AND IMAGE SURVEILLANCE APPARATUS THEREOF

  • US 20170146222A1
  • Filed: 11/04/2016
  • Published: 05/25/2017
  • Est. Priority Date: 11/19/2015
  • Status: Active Grant
First Claim
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1. A light emitting device comprising:

  • a casing;

    a lighting module disposed in the casing for providing light, the lighting module comprising;

    a first light source; and

    a second light source adjacent to the first light source; and

    at least one lens module movably facing the lighting module, the at least one lens module comprising;

    a first lens aligned with the first light source;

    a second lens extending from the first lens, the second lens being aligned with the second light source;

    a sliding frame fixed to the first lens, the sliding frame having a thread portion; and

    a driving motor having a screw rod, the screw rod being engaged with the thread portion to make the sliding frame movable along the screw rod, the driving motor being used to provide a driving force for making the thread portion drive the first lens and the second lens close to or away from the first light source and the second light source in parallel via the sliding frame with rotation of the screw rod.

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