Dual-sided Illuminated Letters Process Specification

Combination-lit (dual-lit) illuminated letters deliver the best of both worlds: a bright, even glow through the high-transmission acrylic face at the front, and a soft, elegant halo of light spilling onto the wall at the back. Every illuminated letter can be fully customized in size, shape, color temperature, and face/backlight colors, making them a perfect fit for storefronts, commercial buildings, hotel lobbies, cultural displays, and exhibition spaces.

1. Material Configuration

• 3/5/12mm thick acrylic face plate
• Stainless steel / aluminum trim
• 12mm frosted acrylic bottom plate
• LED lights

The combination of acrylic panels, metal trims, and LED lighting creates a durable structure with balanced front and back illumination, making it suitable for high-end illuminated letters applications and customized brand displays.

2. Production & Size Requirements

Minimum Stroke Thickness:
≥10mm

Standard Font Sizes

• Sans-serif English letters: over 8cm
• Artistic English fonts: no less than 20cm

Trim Size Standard

(Thicker trim is adopted for wider strokes)

• 15–40cm fonts: 4–5cm trim
• 40–60cm fonts: 5–6cm trim
• 60–80cm fonts: 6–8cm trim

Precise size control ensures each illuminated letter maintains excellent brightness, structural stability, and a premium appearance for various signs for business projects.

3. Trim Material & Colors

Main Textures

• Brushed stainless steel
• Mirror stainless steel

Original Tone

• Brushed silver

Electroplated Finishes

• Titanium gold
• Champagne gold
• Rose gold
• Black steel

Water-plated Vintage Tones

• Antique bronze
• Antique brass
• Antique copper

Custom Spray Painting

Any color is available according to the client’s color card.

A wide range of surface finishes allows brands to customize their 3d logo light style and create unique signage designs that match different commercial environments.

4. Product Advantages

This product is a type of double-sided illuminated letter that combines the advantages of front-lit and back-lit technologies.

The bright front illumination ensures clear and highly recognizable text, while the soft back halo highlights the letter contours and creates a layered lighting effect.

With its three-dimensional appearance and premium visual quality, it is an ideal choice for businesses looking for attractive signs for business and high-end brand identity displays.

5. Product Defects

Fonts with complex structures and varied strokes, such as cursive script, running script, and calligraphy styles, may cause light leakage during production, affecting the overall appearance.

6. Application Scenarios

Double-sided lit letters are widely used for high-end storefronts, including:

• Restaurants
• Hotels
• Cake & dessert shops
• Retail stores
• Brand image spaces

As a combination of functional lighting and premium design, these signs can serve as customized illuminated letters solutions and professional light up letters for business outdoor, helping brands improve visibility and create memorable customer experiences.