Technical Insights

Interactive Display Bezel & Back Frame Explained

2026-01-04

Why the Bezel & Back Frame Matter More Than You Think

In high-frequency commercial environments, the bezel must simultaneously achieve several goals:

  • Maintain structural rigidity for large-size panels (65"–110"+)
  • Protect the LCD and touch glass from impact and torsion
  • Assist with passive heat dissipation
  • Support narrow-bezel industrial design
  • Enable brand differentiation through permanent logo customization

A poorly designed frame can lead to:

  • Panel deformation after long-term wall mounting
  • Local overheating around the mainboard area
  • Cracked touch glass due to stress concentration
  • Cheap visual appearance that undermines brand positioning

That is why professional manufacturers treat the bezel as a core engineering module, not an accessory.


1. Qtenboard bezel: Aluminum Alloy Bezel (Aviation-Grade Aluminum Alloy)

Material Overview

Aviation-grade aluminum alloy is the preferred choice for mid-to-high-end interactive displays, especially in corporate meeting rooms and premium education markets.

Manufacturing Process

  • CNC precision machining
  • Brushed surface treatment
  • Anodized oxidation (black / silver / champagne / custom colors)

Each step directly affects tolerance, flatness, and surface consistency.

Key Advantages

High Structural Strength

Aluminum alloy offers excellent rigidity with low weight, preventing bezel deformation on ultra-large displays (86", 98", 105", 110").

Superior Heat Dissipation

Compared to plastic or thick steel frames, aluminum efficiently conducts heat away from internal components, improving thermal stability for mainboards, OPS modules, and power supplies.

Premium Texture & Visual Quality

Anodized aluminum delivers a clean, professional finish — ideal for executive boardrooms, international schools, and government projects.

Custom Logo Capability (Key Highlight)

We support laser-engraved logos directly on aluminum bezels, offering:

  • Permanent branding (no peeling, fading, or cracking)
  • High-precision edge definition
  • Compatible with anodized surfaces
  • OEM-friendly for long-term brand consistency

📌 Compared with silk printing or sticker logos, laser engraving ensures your brand remains intact throughout the product’s lifecycle.


2. Qtenboard Back Frame: Cold-Rolled Steel

Material Overview

While the bezel handles style and heat, the back frame carries the load. Qtenboard uses high-quality cold-rolled steel, can handle heavier weights.

Surface Treatment

  • Powder coating
  • Baking paint process
  • Optional matte or fine-grain texture

Key Advantages

Excellent Cost Control

Steel frames significantly reduce material costs while maintaining acceptable strength for standard sizes (55"–86").

High Structural Stability

Steel resists long-term deformation, making it suitable for fixed wall-mounted installations.

OEM Scalability

Ideal for projects requiring thousands of units with stable BOM control.

Trade-Offs

  • Heavier weight compared to aluminum
  • Lower thermal conductivity
  • Less premium visual feel

Logo Customization Options

  • Laser engraving (on exposed steel areas)
  • Stamped logo recess + color filling
  • Powder-coated contrast engraving

For OEM buyers, we help choose the most cost-effective logo solution without compromising durability.


3. Plastic Decorative Components (ABS / PC+ABS)

Where Plastic Is Used — and Why

Corners and edges get the occasional bump, especially in classrooms. That’s why we use ABS or PC+ABS plastic in corners and trims:

  • Absorbs impact

  • Prevents scratches and dents

  • Keeps metal edges safe to touch

It’s not load-bearing — the aluminum bezel and steel back frame do that — but it makes the product safer and more user-friendly.

Materials Explained

  • ABS: cost-effective, good impact resistance
  • PC+ABS: higher toughness, better heat resistance

Benefits

  • Improved safety in classrooms and public spaces
  • Reduced damage from accidental collisions
  • Visual softening of hard metal edges

Plastic parts are typically injection molded and color-matched to the bezel for a unified appearance.


4. Bezel Width & Edge Design

Bezel Width Options

  • Standard bezel: 15–20 mm
  • Narrow bezel: 10–14 mm
  • Ultra-narrow bezel: <10 mm (engineering-dependent)

Narrow bezels improve immersion but require higher structural precision and assembly accuracy.

Rounded Corner Treatment (Safety Design)

  • R5 radius: compact, modern look
  • R10 radius: enhanced anti-collision safety

Rounded corners:

  • Reduce impact stress concentration
  • Minimize injury risk in education environments
  • Improve overall industrial design harmony

5. How to Choose the Right Bezel Configuration

Choose Aluminum Alloy If You Need:

  • High-end brand positioning
  • Long operating hours
  • Better thermal performance
  • Laser-engraved premium logo presentation

Choose Cold Rolled Steel If You Need:

  • Large-scale OEM production
  • Strict cost control
  • Standard functional reliability

Add Plastic Protection If:

  • The product is used in K-12 classrooms
  • Frequent physical interaction is expected
  • Safety compliance is a priority

6. Our Customization Strength: Laser-Engraved Logo as Standard Capability

Unlike many suppliers who treat logo customization as an afterthought, we integrate logo design into the bezel engineering stage.

Supported Customization Options

  • Front bezel laser engraving
  • Side-frame laser engraving
  • Back cover logo engraving
  • Consistent branding across multiple size models

Why Laser Engraving Matters for OEM Brands

  • Zero consumables → stable long-term cost
  • No color mismatch across batches
  • Compatible with CKD / SKD assembly
  • Professional, factory-grade brand identity

This is especially important for distributors building their own long-term brand, not just reselling generic hardware.


FAQ – Bezel & Frame Customization

Q1: Will laser engraving weaken the aluminum frame?
No. Laser engraving is a surface-level process and does not affect structural integrity.
Q2: Can the logo position be customized?
Yes. Front center, corner, side bezel, or back cover positions are all supported.
Q3: Is narrow bezel less durable?
Not if properly engineered. Our narrow-bezel designs are reinforced internally to maintain rigidity.

Final Thoughts: The Bezel Is Not a Detail — It’s a Statement

A professional interactive display is not defined only by what happens on the screen, but also by how the product holds itself together.

The bezel and frame represent:

  • Engineering competence
  • Brand positioning
  • Long-term durability
  • Manufacturing depth

By offering multiple material options, refined surface treatments, safety-conscious edge design, and permanent laser-engraved logo customization, we help OEM and ODM partners build products that are not only functional — but truly their own.



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