Innolux AT080TN52 V.5: A Technical Analysis of a Robust 8.0-Inch Industrial Display
## AT080TN52 V.5 | 8.0-Inch SVGA Industrial TFT-LCD Module
The Innolux AT080TN52 V.5 is an 8.0-inch a-Si TFT-LCD module engineered for operational reliability in industrial applications. This display delivers clear, stable visuals through its 800×600 SVGA resolution and a durable design featuring a WLED backlight system with a 20,000-hour minimum lifespan.
* **Core Specifications**: 8.0″ Diagonal | 800×600 SVGA | Parallel RGB Interface
* **Key Advantages**: Wide operational temperature range, antiglare surface treatment for improved readability.
* **Application Focus**: Its specifications support robust performance in systems requiring consistent display output across varying environmental conditions.
Download a reference datasheet for the AT080TN52 series (PDF)
Technical Analysis for System Integration
The AT080TN52 V.5 is built around a standard Twisted Nematic (TN), normally white transmissive panel. This technology choice provides a cost-effective solution with fast response times—typically 10ms (Tr) and 15ms (Td)—which is sufficient for most industrial human-machine interfaces (HMIs) displaying dynamic data or simple animations. The panel’s antiglare surface is a critical feature for environments with high ambient light, as it diffuses reflections that could otherwise obscure vital information.
A key parameter for industrial design is the operational temperature range. This module is specified to operate from -20°C to 70°C and can be stored in conditions from -30°C to 80°C. This range ensures functionality in unheated factory floors, outdoor kiosks, and vehicle cabins. Think of this temperature tolerance as the display’s built-in resilience; it’s the difference between a system that fails in cold or hot conditions and one that performs reliably year-round. The Parallel RGB interface, supporting 6-bit or 8-bit color depth, offers straightforward integration with a wide array of single-board computers and legacy controllers common in industrial machinery.
Optimized Application Scenarios
The specific feature set of the AT080TN52 V.5 makes it a practical choice for several applications:
* **Industrial Control Panels:** The 800×600 resolution and 4:3 aspect ratio are well-suited for displaying process control data and interfaces without distortion.
* **Test and Measurement Equipment:** Its antiglare surface and typical brightness of 250 cd/m² ensure that readings are clear and legible for technicians in various lighting conditions.
* **Embedded HMIs:** A typical power consumption of 356mW facilitates integration into power-constrained embedded systems.
* **Portable Diagnostic Tools:** The module’s light weight of approximately 258g and defined mechanical outline simplify its inclusion in mobile or handheld devices.
This display is best matched for systems requiring a durable, no-frills SVGA interface with proven environmental resilience.
Key Specifications of the AT080TN52 V.5
| Parameter | Specification |
|---|---|
| Panel Manufacturer | Innolux |
| Screen Size | 8.0 inches |
| Resolution | 800(RGB)×600 (SVGA) |
| Display Technology | a-Si TFT-LCD, TN, Normally White, Transmissive |
| Active Area | 162(H) × 121.5(V) mm |
| Outline Dimensions | 183(H) × 141(V) × 6.3(D) mm (Typ.) |
| Brightness | 250 cd/m² (Typ.) |
| Contrast Ratio | 500:1 (Typ.) |
| Viewing Angle | 70/70/50/70 (L/R/U/D) (Typ., CR≥10) |
| Signal Interface | Parallel RGB (1 ch, 6/8-bit), 50 pins FPC |
| Backlight System | WLED, 20,000 hours minimum lifespan |
| Operating Temperature | -20°C to 70°C |
| Storage Temperature | -30°C to 80°C |
Engineer FAQ
What are the signal voltage requirements for the Parallel RGB interface?
The interface requires multiple power supply voltages for proper operation. Based on the datasheet, these are typically: VCC (3.3V), AVDD (10.4V), VGH (16.0V), and VGL (-7.0V). Accurate power sequencing is important for display initialization and long-term reliability.
How can the WLED backlight lifespan be managed in a design?
The backlight has a minimum rated life of 20,000 hours. To help achieve or exceed this, engineers should ensure the external backlight driver provides the correct, stable current as specified. Implementing brightness control (PWM dimming) and programming the system to turn off the backlight during inactive periods can also significantly extend its operational life. More information on this topic can be found in our guide to proactive backlight lifespan management.
Is an external backlight driver required for this module?
Yes. The AT080TN52 V.5 integrates the WLED light source but requires an external driver to supply the necessary voltage and current. This allows for greater design flexibility in matching the driver to the specific power and control needs of the application.
What is the purpose of the antiglare surface treatment?
The antiglare treatment is a micro-textured surface layer that scatters ambient light, reducing specular reflections and mirror-like glare. This is critical for maintaining screen legibility in industrial environments where lighting is often uncontrolled, a concept further explored in discussions on thermal management and display reliability.
System Design Enablement
The AT080TN52 V.5 provides a well-documented and stable platform for industrial display integration. Its standard interface, robust environmental specifications, and long-life backlight give engineers the necessary components to build reliable and maintainable human-machine interfaces. By focusing on fundamental performance, this module allows designers to create functional systems with confidence in the display’s visual output and durability. You can explore more about foundational technologies in our section on LCD core technology.