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Lamp device

  • US 10,442,346 B2
  • Filed: 11/28/2017
  • Issued: 10/15/2019
  • Est. Priority Date: 08/02/2017
  • Status: Expired due to Fees
First Claim
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1. A lamp device, comprising:

  • a light source for generating an illumination beam;

    a slide disposed in a light path of the illumination beam and having a profile image layer and a gradient layer, the profile image layer and the gradient layer being disposed on two opposite sides of the slide, the profile image layer defining a contour of a lighted image to be projected on an object and converting the illumination beam into profile image light that forms the contour of the lighted image without gradients, and the gradient layer converting the illumination beam into gradient light; and

    a projection lens assembly for receiving and projecting the gradient light and the profile image light.

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