1930. BIRTH OF THE LUMA BRAND
Fed up with high prices and products with short lifetime, the Swedish Co-operative Union (Kooperativa Förbundet) decides to produce its own light bulbs to guarantee Swedish consumers longer-lasting light bulbs at a fair price. To open a light-bulb factory so, the union strikes an agreement with the Phoebus cartel and establishes the Luma brand.
1935. GROWING FAST
Annual LUMA production reaches 4.2 million lamps or one-third of the total lamp production in Sweden.
1939. THE PHOEBUS CARTEL IS DISBANDED