Poul Henningsen, 1931
Poul Henningsen designed the three-shade system back in 1925-1926. The first lights using the system were designed for an exhibition in Paris. His work with Louis Poulsen continued right up until his death in 1967. Throughout his life, Poul Henningsen sought to create glare-free light, direct light where it was most needed, and create soft shadows, using incandescent bulbs as a light source.
The four-shade system was launched in 1931 to create a fixture which could be mounted high up and serve as an alternative to the commonly used chandeliers. The PH four-shade light was designed to increase the amount of light emitted horizontally to provide greater illumination of walls and shelves than was possible using standard three-shade lights. It was removed from the Louis Poulsen standard range in the 40s, but was redesigned in 1979 by two Danish architects – Sophus Frandsen and Ebbe Christensen – for the Charlottenborg exhibition building in Copenhagen, although in a larger size: PH6½/6 Pendant.
To resolve the never ending glare problem, the two architects decided to add a small blue shade to the design. They also added a new surface with a more matte, white painted shade, to achieve a more even, comfortable light – ideal for museums and exhibition rooms or as general lighting in rooms with high ceilings.
A smaller version, the PH5/4½ Pendant, was created for the Aarhus Concert Hall in 1984.
PH 5-4½ Ø46.6 x H31.8 cm – light source 1 x E27
PH6½-6 Ø65 x H50 cm – light source 1 x LED 96W 2700K or 3000K, hard wired (DALI) or bluetooth
Materials spun aluminium shades
Cable 3 m
Weight 2.4 kg
Class Ingress protection IP20. Electric shock protection I w. ground
PH 5-4½ pendant – Ø46,6 x H31,8 cm
PH 6½-6 pendant – Ø65 x H50 cm
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Né à Copenhague, Poul Henningsen avait pour mère la célèbre actrice danoise Agnes Henningsen. Il n’a jamais obtenu son diplôme d’architecte, mais a étudié à l’école technique de Frederiksberg (Danemark) de 1911 à 1914, puis au Technical College de Copenhague (1914-1917).
Il a commencé à pratiquer l'architecture traditionnelle fonctionnaliste, mais au fil des ans, ses intérêts professionnels ont évolué pour se concentrer principalement sur l'éclairage, qui est ce qui le rend le plus célèbre. Il a également étendu son domaine d’activité à des domaines d’écriture, devenant journaliste et auteur. Pendant une courte période au début de la Seconde Guerre mondiale, il a été l’architecte en chef des jardins de Tivoli à Copenhague. Mais comme beaucoup d'autres créatifs, il a été contraint de fuir le Danemark pendant l'occupation allemande, puis est rapidement devenu un élément vital de la colonie danoise d'artistes vivant en Suède.
Sa longue collaboration avec Louis Poulsen a commencé en 1925 et a duré jusqu'à sa mort. À ce jour, Louis Poulsen bénéficie toujours de son génie. Poul Henningsen était également le premier rédacteur en chef du magazine d'entreprise «NYT». Le PDG de Louis Poulsen à l’époque, Sophus Kaastrup-Olsen, a offert le magazine à PH parce qu’il avait été licencié du journal danois pour lequel il travaillait (ses opinions étaient trop radicales).
Le travail de pionnier de Poul Henningsen sur les relations entre les structures lumineuses, les ombres, l’éblouissement et la reproduction des couleurs, comparé au besoin de lumière de l’homme, reste le fondement des théories lumineuses encore pratiquées par Louis Poulsen.
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