The production principle of luminous characters for billboards

Does each word of the luminous characters on the billboard need to be individually fed into the ballast?
No. LED billboards can be used without ballast. The ballast is a device that limits current and generates instantaneous high voltage on fluorescent lamps. It is made of enameled wire wrapped around an iron core made of silicon steel. Such a coil with an iron core will turn on/off when the power is turned on/off instantaneously. Self-induction generates high voltage, which is applied to the electrodes (filaments) at both ends of the fluorescent tube. Therefore, billboard luminous characters do not need to be individually fed into the ballast.

What kinds of luminous character billboards are there?
1. Resin luminous characters
Resin luminous characters consist of two parts: a character shell and a light source. The word shell is cast in one piece using liquid polymer resin material, or is inverted with metal rim resin; the light source uses ultra-high brightness semiconductor light-emitting diodes (LEDs), which are known as the green light sources of the 21st century. After the resin luminous characters are produced, the surface will be as bright as a mirror without any polishing. The character shell will show various effects such as three-dimensional concave sleeves, convex sleeves, multi-layer three-dimensional color registration, flat color registration, and crystal color registration. At pre sent, resin luminous characters can be produced in a wide range of varieties, including full-body luminous characters, ordinary luminous characters, flat color-registered luminous characters, and Jiujiang Longxiang Advertising's exclusive product - multi-layer three-dimensional color-registered LED resin luminous characters.
2. Acrylic luminous characters
LED acrylic luminous characters are composed of an acrylic panel, a luminous character box and a luminous character light source. The face plate is carved out of an acrylic plate by an engraving machine. The box is surrounded by metal or PVC, and the light source of the luminous letters is an ultra-high-brightness LED light source.
3. Blister luminous characters
LED blister luminous characters are composed of three parts: acrylic blister panel, luminous character box and luminous character light source. The letter panel is made by sucking out a surface on the acrylic sheet through a blister machine. The box is surrounded by metal or PVC, and the light source of the luminous letters uses ultra-high-brightness LED light sources.
4. Exposed luminous characters
Exposed luminous characters are classified according to color into single color, colorful and full color. The monochrome luminous characters are composed of a hole-punched character shell and a single-color external leaking light. The colorful exposed luminous characters are composed of a hole-punched character shell, colorful exposed lights and a colorful controller, which can achieve a colorful gradient effect. The full-color exposed luminous characters are composed of a hole-punched character shell, a full-color exposed light and a full-color controller. Professional software can be used to create a program file and be placed in an SD card. The full-color controller can be inserted through the SD card to realize the exposed luminous characters. Colorful scanning effect, the highest grade effect. Full-color scanning of luminous characters is the advantage project of Jiujiang Longxiang Advertising.
5. Luminous characters
Luminous characters absorb light energy during the day and emit light at night, but the light is relatively dark, so they are not suitable for door advertising, but are more suitable for guide signs, mining area signs, etc.
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