LAMP UNIT COMPRISING A SHIELD HAVING AT LEAST ONE LIGHT WINDOW

Title:

LAMP UNIT COMPRISING A SHIELD HAVING AT LEAST ONE LIGHT WINDOW

Document Type and Number:

WIPO Patent Application WO/2014/165884

Kind Code:

A3

Abstract:

The invention relates to lamp unit for a headlamp, in particular a motor vehicle headlamp, having at least two light sources (1a, 1b), at least one reflector (2a, 2b), which delimits two light chambers (3a, 3b), an aperture (4) and a projection lens (5) having an optical axis (A), wherein one light chamber (3a) is arranged on an upper side and one light chamber (3b) is arranged on an underside of the aperture (4), wherein at least one light source (1a, 1b) is respectively arranged within the light chambers (3a, 3b), and, in order to produce a sharp light-dark boundary, the aperture (4) extends in a light pattern generated by the lamp unit substantially as far as a focal plane (E) of the projection lens (5), wherein the aperture (4) has at least one light window (7a, 7b), wherein at least one light path (8a, 8b, 8c, 8d) runs from a light chamber (3a, 3b) through the at least one light window (7a, 7b) and through the projection lens (5) to the outside, wherein the aperture (4) has at least two aperture portions (4a, 4b, 4c) delimiting the at least one light window (7a, 7b), and wherein at least one aperture portion (4a, 4b, 4c) has a reflecting surface through which at least one light path (8a, 8b, 8c, 8d) can be deflected in direction of the optical axis (A) of the projection lens (5).

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Inventors:

KIESLINGER DIETMAR (AT)
ALTMANN JOHANN (AT)

Application Number:

PCT/AT2014/050081

Publication Date:

December 04, 2014

Filing Date:

April 07, 2014

Export Citation:

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Assignee:

ZIZALA LICHTSYSTEME GMBH (AT)

International Classes:

F21S8/10; B60Q1/26

Foreign References:

JP2007287610A	2007-11-01
EP2184532A2	2010-05-12
US20110170308A1	2011-07-14
JP2004172104A	2004-06-17
US20110261576A1	2011-10-27
EP2006605A1	2008-12-24
JP2012174343A	2012-09-10

Attorney, Agent or Firm:

PATENTANWALTSKANZLEI MATSCHNIG & FORSTHUBER OG (Wien, Wien, AT)

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