Channel letters are custom-made metal or plastic letters commonly used in exterior signage on public and commercial buildings, and often internally illuminated. Unlit three dimensional letters that are applied to sign panels or monuments are usually referred to as dimensional letters.
What Types of Channel Letter Signs Are Available?
1. Face-lit channel letters
The first and most common type of channel letter is the front-lit or standard channel letter. A front lit channel letter will have an acrylic face, trim cap, stainless steel returns, and an stainless steel back. Again, the number of options is large – – these signs can be customized in a variety of ways!
2. Exposed neon channel letters
Neon is covered with a clear acrylic face to keep birds from making a nest as well as to protect the exposed neon from outside elements, i.e., weather, etc. This allows for the exposed neon to be seen, as well as the inside of the channel letter interior itself to add to the dimensional look.
3. Plastic formed Channel Letters
Formed channel letters feature a molded plastic backer with a raised lip. A plastic molded cover snaps over the base. The cover, or face, can be flat, round or “prismatic” (faceted face) and is made from translucent light-diffusing colored plastic. Light is emitted from both the face and the sides of the letter. Cut vinyl can also be applied to the face to create various colored light effects, or to produce a halo effect. The plastic face can also be made with a translucent chrome finish so the letters appear chrome by day, but still light up at night.
4. Back (Halo)-lit or reverse-lit letters
For Back (Halo)-lit channel letters, the face of the letter is constructed from stainless steel and the lighting is directed to the back. This light floods the wall that the letter is mounted to and creates a negative space at night. Letters in this style are also called halo letters. LEDs are installed to the inside back of the can, and the back is often fitted with a clear or translucent plastic back to diffuse the light and protect the lighting elements and wiring. The inside of the can is often painted white to reflect light. The effect of the halo lighting allows for a variety of creative effects depending on the color, sheen, and texture of the building surface.
5. Face and Back (Halo)-lit letters
These letters combine the same features of a face and back-lit letter. The inside of the can is usually not painted white.
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From Wikipedia
Post time: Jan-17-2020