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Our Areas of Expertise
Rugged Display Solutions for Heavy-Duty Applications
Heavy-duty applications place high demands on displays and HMI systems. High and low temperatures, humidity, dust, water, vibration, mechanical shock, and direct sunlight must be considered during system design. At the same time, reliable operation must be maintained under actual operating conditions, including touchscreen use with work gloves.
VIA optronics develops display solutions for these operating profiles. A patented optical bonding process combined with proprietary bonding materials provides the basis for optically high-performing and rugged display assemblies.
Typical applications include displays for agricultural and construction machinery, commercial and other heavy-duty vehicles, as well as specialized HMI systems for industrial, marine, aerospace, and medical applications.
Display Challenges in Heavy-Duty Applications
Displays and HMI systems increasingly provide essential operating, visualization, and monitoring functions in heavy-duty applications. Typical examples include precision farming, machine automation, data visualization, remote monitoring, operator guidance, and assistance functions.
Reliable operation requires display systems to be designed for the mechanical and environmental loads of the specific application. Depending on the operating profile, these can include dust and moisture, water exposure, temperature cycling, continuous vibration, mechanical shock, and direct sunlight.
Operator interaction introduces additional requirements. Operators frequently wear work gloves, while touchscreen functionality still needs to remain reliable. At the same time, displayed information must remain clearly readable under high ambient light conditions.
VIA optronics combines a patented optical bonding process with proprietary bonding materials and application-specific display configurations. Suitable touch technologies can be integrated according to the operating requirements, including solutions for reliable glove operation.
Display and touch systems can also be integrated with camera technologies, for example in digital mirror systems, surround-view systems, and other camera-based assistance functions.
VIA display solutions for heavy-duty applications are designed for:
- high readability in direct sunlight
- protection against dust and water
- high resistance to shock and vibration
- reliable operation under demanding environmental conditions
- reliable touchscreen operation with gloves
Optical Bonding for Heavy-Duty-HMIs
Heavy-duty HMIs must function under conditions where conventional display designs quickly reach their limits: direct sunlight, extreme temperature fluctuations, humidity, dust, vibrations, and mechanical stress. In construction machinery, agricultural equipment, maritime applications, and industrial control systems, the quality of the display determines not only ease of use but also safety, availability, and lifecycle costs.
Optical bonding addresses precisely these requirements. In this process, the display, touch sensor, and cover glass are bonded over their entire surface using an optically transparent adhesive. The air gap between the components is eliminated. This reduces internal reflections, improves readability in bright ambient light, prevents condensation, and increases the mechanical stability of the entire HMI stack.
This technical article provides a comprehensive overview of the technical and economic fundamentals of optical bonding for heavy-duty applications. It explains the underlying physical principles, highlights material and process requirements, identifies relevant reliability tests and failure mechanisms, and concludes by evaluating the technology from a total cost of ownership perspective.
As such, the article is aimed at developers, product managers, technical buyers, and decision-makers who evaluate robust HMI systems not only based on acquisition costs, but also on performance, service life, and operational reliability.
Technology, Reliability, and Cost-Effectiveness at a Glance
Chapter 1: Context – The Heavy-Duty HMI as an Integrated System
Chapter 2: Optical Fundamentals – Why Optical Bonding Works Physically
Chapter 3: Thermodynamics and Climate – Condensation, Fogging, and Thermal Stresses
Chapter 4: Materials Science – Optical Adhesives and Their Aging
Chapter 5: Process Technology and Engineering – From Theory to Flawless Production
Chapter 6: Reliability Testing and Qualification – Systematic Demonstration of Durability
Chapter 7: Failure Modes and Their Analysis – From Theory to Field Practice
Chapter 8: Design for Reliability and Best Practices – The Path to a Robust HMI
Chapter 9: Cost-Effectiveness: Total Cost of Ownership – It’s the Big Picture That Counts
E-Guide: Display and Camera Solutions for Commercial Vehicles, Agricultural Machinery, and Construction Equipment
Extreme temperature fluctuations, constant vibrations, or direct sunlight can severely impair conventional (touch) displays and cameras. This not only jeopardizes productivity—for example, in agriculture or logistics—but also poses significant safety risks. Robust and reliable HMIs are the solution for greater efficiency. The free e-guide provides you with all the information you need to bring your fleet up to the latest state of the art.
What you can expect in the e-guide:
- Trends and technologies at a glance.
- Requirements for displays and cameras for use in extreme conditions.
- How patented optical bonding absorbs shocks and vibrations.
- Easy integration of customized solutions and retrofit measures.
Get comprehensive decision-making support now to gain a competitive advantage.
The Key Features of Our Display Solutions for Heavy Duty.
Rugged. Durable. Excellent Readability.
VIA optronics’ user-friendly display solutions deliver outstanding performance in industrial applications—even under challenging conditions. Our customers benefit from this.
Our display solutions:
perform reliably across a wide temperature range
are resistant to shocks, vibrations, and moisture
are extremely durable
offer outstanding readability in sunlight
are highly energy-efficient
feature a sleek design with very thin adhesive joints
offer excellent consistency