The PH system was developed to bring completely glare-free lighting to homes that was effective and more pleasant at the time when electric lighting began to take over from candle chandeliers and kerosene lamps in the late 1990s. 20 of the last century. However, the first to be conquered by the functional and ultra-modern PH lamp were businesses and public organizations. While the lamp of choice on the tables in most home dining rooms continued to be the candelabra, which was now equipped with electricity and silk screens. Poul Henningsen aspired to demonstrate to the public that, thanks to his three-dimensional reflector system, screens, they could enjoy the cozy atmosphere to which they were so accustomed, coming from the glow of the kerosene lamps, without having to make concessions in terms of lighting quality. However, many longed for warmer, more comfortable lighting than the light bulbs of the time were able to provide. It was true that silk softened the lighting and created atmosphere... at the expense of lighting quality. Henningsen and Louis Poulsen saw here an opportunity to once again attract private customers. Around 1930, Louis Poulsen launched a new and extensive series of PH lamps.