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Dive into the research topics where Helmut Erdl is active.

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Featured researches published by Helmut Erdl.


Archive | 2013

Beleuchtungsvorrichtung für ein Kraftfahrzeug

Helmut Erdl; Abdelmalek Hanafi


Archive | 2006

Light e.g. signal light, for motor vehicle, has light guiding unit whose side surfaces arranged between light emitting and reflection surfaces have transparent coating whose refractive index is smaller than refractive index of unit

Helmut Erdl; Angela Rammelt; Olaf Töpfer


Archive | 2013

Beleuchtungseinrichtung für ein kraftfahrzeug

Helmut Erdl; Abdelmalek Hanafi


Archive | 2004

Linear lighting unit for vehicle, includes end-lit optical conductor rod with light exit surfaces along it, located at focal point of light deflector

Helmut Erdl


Archive | 2008

Vehicle lamp, particularly motor vehicle rear lamp for lighting system, has light cable and light source arranged behind light cable, where light of light source is coupled at light cable back side in light cable

Helmut Erdl; Abdelmalek Hanafi


Archive | 2014

Lighting Device for a Motor Vehicle

Helmut Erdl; Abdelmalek Hanafi


Archive | 2014

Illumination Device for a Motor Vehicle and Conversion Layer for Use in Said Type of Illumination Device

Helmut Erdl; Abdelmalek Hanafi


Archive | 2003

Headlamp, especially for vehicle, has reflector inner side facing light source formed at least in some regions to form first focal point at first source position; light from source is reflected to output coupling element light entry surface

Helmut Erdl; Martin Enders


Archive | 2014

Illumination Device for a Motor Vehicle

Helmut Erdl; Abdelmalek Hanafi


Archive | 2015

Method of Operating a Headlight Having a Laser Light Source in a Motor Vehicle

Stefan Weber; Helmut Erdl; Johannes Aulbach

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