A socket configured to be electrically connected to an OLED blade , the socket comprising a first part and a second part with a slot between the first part and the second part , the first and second parts being arranged for receiving and fully covering the OLED blade on both sides of the OLED blade facing towards the first and second parts , at least parts of the first part or the second part being transparent such that primary light emitted by the OLED blade when inserted in the slot can pass the first part or the second part , the socket further comprising first electrical contacts for electrically contacting the OLED blade and a first mechanical fixture to attach the OLED blade in a removable way between the first part and the second part , where the first mechanical fixture is provided by inner walls of the slot which comprises guide rails being arranged as an unambiguous electrical connection, the first mechanical fixture mechanically connecting the first and second parts , where the OLED blade slides along the inner wall of the slot until a final position is reached so that, in the final position, an electrical connection between the OLED blade and the first electrical contact of the socket is established, the socket further comprising an electrical connector for supplying electrical power to the first electrical contacts , and where the first electrical contacts are embedded in the mechanical fixture at two opposite and parallel inner side walls of the mechanical fixture between the first and second parts . a first part and a second part with a slot between the first part and the second part , the first and second parts being arranged for receiving and fully covering the OLED blade on both sides of the OLED blade facing towards the first and second parts , at least parts of the first part or the second part being transparent such that primary light emitted by the OLED blade when inserted in the slot can pass the first part or the second part , the socket further comprising first electrical contacts for electrically contacting the OLED blade and a first mechanical fixture to attach the OLED blade in a removable way between the first part and the second part , where the first mechanical fixture is provided by inner walls of the slot which comprises guide rails being arranged as an unambiguous electrical connection, the first mechanical fixture mechanically connecting the first and second parts , where the OLED blade slides along the inner wall of the slot until a final position is reached so that, in the final position, an electrical connection between the OLED blade and the first electrical contact of the socket is established, the socket further comprising an electrical connector for supplying electrical power to the first electrical contacts , and where the first electrical contacts are embedded in the mechanical fixture at two opposite and parallel inner side walls of the mechanical fixture between the first and second parts . where the first mechanical fixture is provided by inner walls of the slot which comprises guide rails being arranged as an unambiguous electrical connection, the first mechanical fixture mechanically connecting the first and second parts , where the OLED blade slides along the inner wall of the slot until a final position is reached so that, in the final position, an electrical connection between the OLED blade and the first electrical contact of the socket is established, the socket further comprising an electrical connector for supplying electrical power to the first electrical contacts , and where the first electrical contacts are embedded in the mechanical fixture at two opposite and parallel inner side walls of the mechanical fixture between the first and second parts . <EOS>