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Louis Poulsen Ph 4/3 Suspended lamp 40 cm white

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€572.00 Save 12%

Manufacturer Louis Poulsen - Designer Poul Henningsen - Color: White & Opaline Glass Polished Chrome - Height: 410 mm - Diameter: 450 mm - Light source: 1x70W E27


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Poul Henningsen designed the three-screen system in 1925-1926. The first lights to use this system were designed by Poul Henningsen in collaboration with Louis Poulsen for an exhibition in Paris. This collaboration continued until his death in 1967. Throughout his life, Poul Henningsen sought to achieve glare-free, direct lighting in essential areas, creating soft shadows with incandescent bulbs as the light source. PH 4½-4 Glass Sospensione is part of the 3-shade family which today includes 30 lamps, three of which are for outdoors. Henningsen therefore not just designed a lamp, but an entire system: around a thousand different models were produced over the years. This large collection consisted of table, floor and wall lamps, as well as several chandeliers, very popular in the 1930s, for illuminating private homes with high ceilings. Numerous combination options were possible. The lamps were available in different colors and sizes. The first screens were made of metal, with the underlying surface painted in white, gold or silver, depending on the type of lighting desired: warm and enveloping or colder. Glass was later also introduced into the three-screen system. In addition to directing the light downward, the glass lamps illuminated the entire room. Henningsen was the first designer to pursue a scientific approach to lighting, using the lituum or logarithmic spiral as a basis. Thanks to this type of design, Henningsen managed to obtain a uniform distribution of light over the entire curve of the screen. This uniform distribution, together with the reflection diffused through the glass, allowed glare and shadows to be controlled. Each screen reduces the amount of light to the same extent due to their distance from the light source. PH lamp model numbers refer to screen size. Each upper screen has a respective intermediate and lower screen. In “pure” models, such as the 2/2 model, the upper screen is approximately 20cm wide, with corresponding lower screens. PH 4½-4 Glass Sospensione consists of an upper screen of approximately 45 cm, but the lower screens are those used in the 4/4 model. These “hybrid” models were introduced to be able to hang pendant lamps at lower heights. The system was also used for wall, table and floor lamps. The 4½-4 Sospensione in its current form was introduced in 1980.

Lighting system

The luminaire was designed according to the three-screen principle reflective that direct most of the light downwards. The screens are made of three-layer blown opal glass, polished on the top and sandblasted to a satin finish on the bottom and offer a soft and uniform light distribution.

Product details

1x70W E27 source

Other information

Material: blown opal white glass screens with polished chrome-plated aluminum suspensions. Rosette: yes Cable length: 3 m. Cable type: black fabric with wire

Dimensions and measurements

Dimensions (mm):450 (Width) x 410 (height) x 450 (length) Weight:5.0 kg


Suspension type: cable. 3x0.75 mm² and suspension cable. Rosette: included. Cable length: 3m.


Poul Henningsen (1894-1967), designer, architect, writer and Extremely influential Danish cultural critic, he had a huge impact on Danish thought and design. His legacy as an original master of light is an integral part of Louis Poulsen's tradition of creating exceptional light.


Data sheet

Larghezza forno
31 to 40 cm

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