Optical Bonding

Optical Bonding in
Modern Display Systems

What is Optical Bonding?

Optical Bonding for High-Performance Displays

Optical bonding is a display enhancement process where an optically clear resin or adhesive permanently bonds the touchscreen to the TFT LCD, eliminating air gaps, reducing reflections, improving contrast, enhancing durability, and ensuring reliable performance in rugged and mission-critical environments.

Construction of TFT LCD

TFT LCD Structure

An LCD has liquid crystals between two glass plates:
the top with a color filter and polarizer, and the
bottom with TFTs and another polarizer. Light comes
from a backlight underneath. When voltage is applied,
the crystals twist to control whether light is blocked or
passed, forming the display.

Types of Optical Bonding

Optical Bonding Technologies

Optical bonding methods vary based on application needs, environmental conditions, and performance requirements, improving display clarity, durability, and reliability across rugged, industrial, medical, and defense-grade display systems.

Type 1

OCR Bonding

OCR bonding, or wet bonding, uses optically clear resin to eliminate air gaps, enhancing optical clarity, vibration resistance, and durability for rugged displays used in military, railways, and harsh environments.

Type 2

OCA Bonding

OCA bonding, or dry bonding, uses optically clear adhesive sheets to bond display layers, improving visibility, reducing reflections, and enabling clean integration for medical devices and controlled indoor applications.

Values

Optical Bonding
Layer Structure

High Resolution Screens

Advanced high-resolution displays deliver sharp visuals, vibrant colors, and precise information in mission-critical environments.

reliable performance

Engineered to meet MIL-STD and DO-160 standards, ensuring reliable performance in extreme aviation conditions.

Industry Standard Interfaces

Supports industry-standard video, signal, and networking interfaces for seamless integration across avionics systems.

Customizable Bezel

Configurable bezels with buttons, switches, sensors, and controls tailored to specific operational requirements.

NVIS-Compatible

NVIS-compatible displays support night vision operations with controlled brightness and compliant backlighting standards.

Multitouch Screen Technology

Supports resistive and capacitive multitouch technologies for intuitive interaction in demanding operational scenarios.

vFusion

Advanced graphics platform combining multiple video inputs into one display for efficient situational awareness.

Temp. Variation support

Designed to operate reliably across extreme temperature ranges and high-vibration field environments.

Benefits

Key Benefits of
Optical Bonding

Durability

Improves shock and vibration resistance for reliable performance in rugged environments.

Visibility

Reduces glare and reflections, enhancing screen readability under direct sunlight.

Temperature Tolerance

Maintains display performance across wide temperature ranges and extreme climates.

Readability

Ensures clear visibility in low-light and high-brightness operational conditions.

Adaptability

Supports defense, industrial, and medical applications with varying environmental demands.

Strength

Enhances structural integrity of displays used in mission-critical systems.

Touch Precision

Improves touch accuracy and responsiveness for critical user interactions.

Extended Lifespan

Reduces internal wear, increasing display longevity and lowering replacement frequency.

Viewing Angles

Delivers consistent image quality from multiple viewing positions.

Fog Resistance

Prevents condensation and fogging during rapid temperature changes.