ManufacturerDanish
Louis Poulsen
4 active items
The PH lamp has no visible light source. You see the shade, layered, concentric, mathematically calculated to direct light downward while eliminating glare, but you never see the bulb. This principle, developed by Poul Henningsen in 1926, became the founding philosophy of Louis Poulsen: that light should be shaped, not merely emitted. Every lamp the company has produced since carries this DNA, making Louis Poulsen not simply a lighting manufacturer but the institution that taught Scandinavia how to think about light.
The company traces its origins to 1874, when Ludvig R. Poulsen opened a shop selling lighting and electrical supplies on Istedgade in Copenhagen. His nephew Louis Poulsen joined as a shop assistant and took over the business in 1906. Under Sophus Kaastrup-Olsen, who became a partner in 1914, the company expanded from retail into manufacturing and began building relationships with architects and designers that would define its future.
The decisive moment came in 1924, when the lifelong collaboration with Poul Henningsen began. Henningsen was an architect, journalist, and cultural critic obsessed with the quality of artificial light. He observed that electric bulbs produced harsh, unshaded glare that created uncomfortable environments, and he set about designing shade systems based on logarithmic curves that would distribute light evenly while hiding the source. The first PH lamp, with its three concentric shades, was presented at the Paris Exhibition in 1925 and won a gold medal. By 1931, some 30,000 PH lamps had been sold worldwide.
Henningsen continued designing for Louis Poulsen until his death in 1967, producing an extraordinary range of lamps including the PH Artichoke (1958), a showpiece of 72 leaves arranged in 12 rows that creates a warm, glare-free glow in any direction, and the PH 5 pendant (1958), designed specifically for dining tables and still one of the most sold designer lamps in the world.
After Henningsen, Louis Poulsen's roster of collaborators reads like a hall of fame of Danish design. Arne Jacobsen created the AJ lamp series (1960) for the SAS Royal Hotel in Copenhagen. Verner Panton designed the Flowerpot (1968) and the Panthella (1971). More recently, designers like Øivind Slaatto, Louise Campbell, and nendo have continued the tradition of shaping light through form.
On the Nordic auction market, Louis Poulsen lamps are a staple at Palsgaard Kunstauktioner, Bukowskis Stockholm, and Bruun Rasmussen. A Poul Henningsen "PH-Kotte" ceiling lamp has reached 62,000 SEK, while PH wall lamps trade around 10,000-14,000 SEK. With 200 lots on Auctionist, the market is dominated by lighting fixtures, ceiling lights, wall lights, and table lamps, confirming the brand's total dedication to illumination.