ELECTRIC LAMP, LAMP VESSEL PROVIDED WITH A LIGHT-ABSORBING COATING AND METHOD OF PREPARING SUCH A LICHT-ABSORBING COATING

摘要

An electric lamp is disclosed comprising a light-transmitting lamp vessel 1 which accommodates a light source 2. At least a part of the lamp vessel 1 is provided with a light-absorbing coating 3, the light-absorbing coating comprising stabilized pigments which are incorporated in a sol-gel matrix. In order to stabilize the pigments, an aminosilane is present. Moreover, a lamp vessel 1 fit for an electric lamp is disclosed, as well as a method of preparing a light-absorbing layer to be applied to the lamp vessel of an electric lamp.