Nevertheless, the shrewd advertising agent Von Seck was discerning and realized that it was profitable, so he persuaded Claude to transfer the invention patent to him. Later, Fonseque used this new thing to advertise. 19 12, the first neon light appeared on Montmartre Avenue in Paris.
Neon lamp is a bright and charged glass tube or bulb filled with fine neon or other rare gases, and it is a cold cathode gas discharge lamp. Neon tube is a sealed glass tube with electrodes at both ends, which is filled with some low-pressure gas. A voltage of several thousand volts is applied to the electrode, and the gas in the ionization tube makes it glow. The color of light depends on the gas in the tube.