Louis Poulsen PH 4 1/2-4 Modern Glass Pendant Lamp by Poul Henningsen
Louis Poulsen PH 4.5-4 Glass Pendant Light
Poul Henningsen - Louis Poulsen - Denmark
Designer: Poul Henningsen
Manufacturer: Louis Poulsen
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Poul Henningsen's legendary PH 4.5-4 Glass Pendant Light by Louis Poulsen (aka PH 4½-4 or PH 4 1/2-4) features a large glass lamp shade with a diameter of 17.7 inches. The 4.5-4 fixture is designed based on the principle of a reflective three-shade system, which directs the majority of the light downwards. The shades are made of hand-blown opal three-layer glass, which is glossy on top and sandblasted matte on the underside, giving a soft and uniform light distribution.
Glare free light • Symmetric light distribution • Opal glass and matte underside reflect the light downwards • Iconic design • Fixture illuminates itself • Timeless design • Suitable for repetitive installations • Architectural versatility • Belongs to a family that includes table and floor lamps.
Poul Henningsen designed the three-shade system during 1925/1926. The first lights using the system were designed for an exhibition in Paris. His work with Louis Poulsen continued until his death in 1967. Throughout his life, PH sought to create glare-free lighting; aiming to direct light where it was most needed, and creating soft shadows while using incandescent bulbs as a light source. The PH 4½-4 Glass Pendant is a member of the three-shade family and is one of 19 versions available today. Approximately one thousand models have been produced over the years and consisted of table, floor and wall lamps, as well as a number of chandeliers, which were popular in the 30s for lighting private homes with high ceilings.
> Download Louis Poulsen PH 4.5-4 Sheet (PDF)
Collection: Louis Poulsen
Louis Poulsen Product Code: 4.5-4
Dimensions Lamp Shade: 17.7"DIA x 16.1"H
Cable Length: 12'
Cable Type: 3-conductor, 18 AWG black PVC power cord
Material Lamp Shade: handblown white opal glass (sandblasted on the undersides for uniform light distribution)
Material Metal Lamp Holder: aluminum, mirror polished chrome
Light Source: 1 x 150W/A-21/IF medium
Light Bulb: screw-in base candelabra (incandescent, halogen, fluorescent or LED)
Bulb included: yes (1 x 100W incandescent or similar)
Certification: cULus listed, Dry location. IBEW.
Use: indoor, residential, commercial
Country of Origin: Denmark
Product Category: lighting, pendant lamps
Style: Danish design, modern, contemporary
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