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Headlight module and headlight device

  • US 9,945,528 B2
  • Filed: 11/14/2014
  • Issued: 04/17/2018
  • Est. Priority Date: 11/19/2013
  • Status: Active Grant
First Claim
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1. A headlight module comprising:

  • a light source for emitting light;

    a condensing element for concentrating light emitted from the light source;

    a light guide element having an incident surface for receiving light emitted from the condensing element and a reflecting surface for reflecting the received light; and

    a projection optical element for projecting light reflected by the reflecting surface,wherein the incident surface has positive refractive power or negative refractive power,wherein a condensing function of the condensing element and the incident surface forms a shape of a first light distribution pattern,wherein the reflecting surface superposes light that enters through the incident surface and is reflected at the reflecting surface and light that enters through the incident surface and is not reflected at the reflecting surface on a plane passing through a focal point of the projection optical element and being perpendicular to an optical axis of the projection optical element, thereby forming a high luminous intensity region on the plane,wherein the high luminous intensity region is formed in a region of the first light distribution pattern, andwherein the projection optical element projects, as a second light distribution pattern, the first light distribution pattern formed on the plane.

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