Innolux AT070TN07 V.A | A Robust and Cost-Effective 7-inch Display for Industrial Applications
The Innolux AT070TN07 V.A is a 7.0-inch a-Si TFT-LCD module engineered for reliability and performance in a variety of commercial and industrial environments. This display provides a practical and economical solution for systems requiring a durable visual interface without the overhead of high-resolution specifications. Its robust design, wide operating temperature range, and proven technology make it a workhorse component for long-lifecycle products where consistency and value are paramount.
Application Scenarios & Engineering Value
The true strength of the AT070TN07 V.A lies in its adaptability to applications where specific performance characteristics solve critical design challenges.
- Portable Media Devices: With its 16:9 aspect ratio and 480x234 resolution, the display is well-suited for legacy portable DVD players and media viewers, offering a cost-effective screen that aligns perfectly with standard-definition content.
- Industrial Human-Machine Interfaces (HMI): For machine controllers, test equipment, or process monitoring systems that require clear status indicators and basic graphical information, this display is an excellent choice. Its wide operating temperature range of -30 to 85°C ensures dependable operation in demanding factory conditions.
- Automotive and Marine Displays: The AT070TN07 V.A is frequently integrated into aftermarket automotive systems, such as backup cameras and basic diagnostic monitors. Its analog interface simplifies connection to composite video signals, while its resilience to temperature extremes makes it a reliable choice for in-vehicle electronics.
- Medical and Laboratory Equipment: In devices where data is presented simply and reliability is non-negotiable, this panel provides a clear, stable visual output for patient monitoring or equipment status readouts.
Key Technical Parameters
The specifications of the Innolux AT070TN07 V.A are tailored for efficiency and integration. The following table provides an overview of its core technical attributes for engineering assessment. For complete details, you can Download the Datasheet.
| Parameter | Value |
|---|---|
| Panel Size | 7.0 inch |
| Resolution | 480(RGB)×234 |
| Pixel Pitch | 0.107 x 0.370 (mm) |
| Display Mode | TN, Normally White, Transmissive |
| Brightness | 200 cd/m² (Typ.) |
| Contrast Ratio | 300:1 (Typ.) |
| Viewing Angle (L/R/U/D) | 60/60/40/60 (Typ.) (CR≥10) |
| Signal Interface | TFT Specific Analog RGB, 26-pin FPC |
| Backlight | WLED |
| Operating Temperature | -30°C ~ 85°C |
| Dimensions | 164.9 x 100 x 5.7 (mm) |
Technical Deep Dive: Interface and Reliability
Two key engineering aspects define the AT070TN07 V.A: its interface and its physical resilience. The panel utilizes a TFT Specific Analog RGB signal interface, a deliberate choice that offers distinct advantages in certain architectures. Unlike more complex digital standards like LVDS, this analog interface allows for direct connection to many legacy or cost-optimized microcontrollers and video decoders, reducing system complexity and bill-of-materials cost. This makes it an ideal drop-in solution for refreshing existing product lines or for new designs where cost is a primary driver. For a deeper understanding of various display interfaces, exploring resources on the ultimate guide to TFT-LCD can provide valuable context.
Engineered with amorphous silicon (a-Si TFT) technology, the panel's construction is proven for its stability and long-term performance. The exceptional operating temperature range from -30°C to 85°C is a critical differentiator from consumer-grade displays, guaranteeing functionality in unconditioned environments, from cold-start industrial machinery to sun-loaded vehicle cabins. This wide temperature tolerance is a cornerstone of its value proposition for non-consumer industrial LCD displays.
Strategic Advantage in a High-Tech World
While the market trends toward ever-higher resolutions and pixel densities, the Innolux AT070TN07 V.A maintains a strategic position. It serves a crucial segment of the industrial market that prioritizes reliability, longevity, and total cost of ownership over cutting-edge specifications. For countless applications, a display's primary function is to convey essential information clearly and dependably. This panel excels at that mission without the added system cost and power consumption of a higher-resolution screen. For designs that do require enhanced resolution and viewing angles, a logical upgrade path could be a model like the G070ACE-L01, which offers a higher pixel count in a similar form factor.
Frequently Asked Questions (FAQ)
What is the primary benefit of the 480x234 resolution?
This resolution is specifically designed to natively support standard-definition analog video signals like NTSC and PAL. This allows for seamless integration with analog cameras and video sources without requiring complex and costly scaling hardware, making it perfect for applications like video door phones, backup cameras, and simple surveillance monitors.
Is the AT070TN07 V.A suitable for outdoor, sunlight-viewable applications?
With a typical brightness of 200 cd/m², this display is best suited for indoor or heavily shaded environments. For applications in direct sunlight, specialized high-brightness panels are recommended. Engineers working on such projects should consult dedicated guides on creating sunlight-readable HMIs to ensure optimal visibility.
What are the main considerations when designing with the analog RGB interface?
The main considerations are signal integrity and controller compatibility. As an analog interface, board layouts should be designed to minimize noise and interference on the RGB signal paths. Furthermore, the driving system's controller must have a compatible analog RGB output, a feature common in many application processors aimed at the automotive and industrial sectors.
