To make the words on the billboard glow at night, you can consider the following methods:

Use LED strips: install LEDs on the edge of the billboard or on the back of the fonts The light strips, when powered on, can emit bright light, making the words on the billboard more eye-catching at night.

Install LED neon lights: LED neon lights are lamps that can emit light of various colors and can flash and change color. Installing LED neon lights on billboards can make the words on the billboard more eye-catching at night and increase the visual effect of the billboard.

Use LED luminous characters: LED luminous characters are a billboard production technology that combines LED lights and characters. This kind of billboard can show different effects during the day and night. At night, LED luminous characters can emit bright light, making the characters on billboards more eye-catching.

Install floodlights: Floodlights are lamps that can project light onto billboards. Installing floodlights on the surface of the billboard or on the back of the fonts can make the words on the billboard more eye-catching at night.

It should be noted that in order to make the words on the billboard more eye-catching at night, factors such as the brightness, color and position of the lamps need to be considered. At the same time, it is also necessary to select appropriate lighting fixtures and installation methods based on the size and material of the billboard.