Wavelength convertor, light source device and projector

Wavelength convertor, light source device and projector

  • CN 103,090,320 B
  • Filed: 01/23/2013
  • Issued: 07/16/2014
  • Est. Priority Date: 01/23/2013
  • Status: Active Grant
First Claim
Patent Images

1. a wavelength shifter, is characterized in that, comprising:

  • Wavelength conversion bodies, offers storage tank, and the inside surface of described storage tank is provided with the first reflectance coating, is also provided with phosphor powder layer in described storage tank, and described phosphor powder layer is used for receiving exciting light and forms the first band of light;

    Lid, be located at the openend of described storage tank, described lid has reflector space and regional transmission, described reflector space is relative with described the first reflectance coating, described exciting light can see through described regional transmission and act on described phosphor powder layer, excite described phosphor powder layer to produce described the first band of light, described the first band of light and described exciting light can be between described reflector space and described the first reflectance coating multiple reflections, described the first band of light after multiple reflections from described regional transmission outgoing.

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