Something’s missing? The compact fluorescent lamp commonly known as „energy saving lamp“ does not have the full light spectrum, so that some colours cannot be displayed or are shown distorted. more (.pdf)
Licht 01 2009

Confused. When the incandescent bulb disappears from European stores in two months, it will be good news for the climate and the economy. So they say. more (.pdf)
brand eins 07/2009

The absurdity of the energy saving lamp. NDR Report, Güven Purtul investigates for the NDR the sense or nonsense of the so-called „bulb ban“. more (link)
NDR 20.11.2009

Communicative interaction. The new headquarters of Unilever lie directly on the Elbe, prominently located in Hamburg's harbour city. It marks the end of the route from the center city to Hamburg's new attractions, … . more (.pdf)
Licht+Raum 1/2010, Bauverlag BV GmbH, Gütersloh

LED–Sustainability & Light quality. If the wrong LED source is selected, the investment will be wasted, because the advantages hoped for, such as long lamp life and energy saving, will not be achieved. ...more (.pdf)
Licht 01 2010

Efficient illumination. Will LEDs replace thermal radiators? If the energy requirement of a building is to be reduced, lighting technology also plays a role. more (.pdf)
Metamorphose 01/2011 Bauen im Bestand, Konradin Medien