Content last revised on January 11, 2026
Sharp LQ070T5DG01 7.0-inch WQVGA Industrial TFT-LCD Module
The Sharp LQ070T5DG01 is a high-reliability 7.0-inch industrial TFT-LCD designed to deliver consistent visual performance in demanding environments where temperature fluctuations and mechanical stress are common. Featuring a 400x240 WQVGA resolution and a wide operating temperature range of -30°C to +80°C, this module is an engineering staple for outdoor HMI and legacy industrial control systems. It provides a stable 450 cd/m² luminance, ensuring readability across diverse lighting conditions. For engineers maintaining long-lifecycle equipment, this module offers a reliable path for sustaining system uptime without requiring structural redesigns. For industrial HMI applications requiring high thermal resilience and a 15:9 aspect ratio, the Sharp LQ070T5DG01 remains a benchmark for field-proven reliability.
Application Scenarios & Value
Engineering Visual Stability for Extreme Thermal Environments
The Sharp LQ070T5DG01 is specifically optimized for scenarios where standard consumer-grade displays would fail due to liquid crystal sluggishness or backlight degradation. A primary challenge for engineers designing outdoor refueling stations or heavy machinery cabs is ensuring the display remains responsive at -30°C. The LQ070T5DG01 addresses this with a specialized liquid crystal formulation that maintains acceptable response times even in sub-zero conditions, acting much like a high-viscosity industrial lubricant that remains fluid in deep winter. This eliminates the need for expensive external heating elements, reducing system-level power consumption and complexity.
In the context of industrial 4.0 and smart manufacturing, this display serves as a robust interface for CNC controllers and ruggedized handheld terminals. Its parallel RGB (1-ch, 6-bit) interface allows for straightforward integration with legacy FPGA and MCU-based architectures. While this model is ideal for compact 7.0-inch footprints, systems requiring higher pixel density may consider the LQ070Y3DG1A for enhanced resolution requirements. Furthermore, for integrated touch solutions in harsh environments, engineers often pair this module with a resistive touch overlay to ensure functionality with gloved hands.
Key Parameter Overview
Decoding the Specs for Enhanced Industrial Reliability
The following technical specifications are derived from the official Sharp documentation to assist in precise system integration and thermal mapping.
| Optical & Display Specifications | |
|---|---|
| Panel Size | 7.0-inch (Diagonal) |
| Resolution | 400 × 240 (WQVGA) |
| Brightness | 450 cd/m² (Typical) |
| Contrast Ratio | 300:1 (Typical) |
| Display Mode | TN, Normally White, Transmissive |
| Mechanical & Electrical Interface | |
| Interface Type | CMOS/TTL (1-ch, 6-bit) |
| Backlight Type | CCFL (Cold Cathode Fluorescent Lamp) |
| Operating Temperature | -30 ~ +80 °C |
| Storage Temperature | -30 ~ +80 °C |
| Outline Dimensions | 166.4 × 104.7 × 12.5 mm |
Download the LQ070T5DG01 datasheet for detailed specifications and performance curves.
Industry Insights & Strategic Advantage
Sustainability and Lifecycle Management in Legacy Infrastructure
The persistence of the LQ070T5DG01 in the industrial market highlights a critical strategic advantage: Form-Factor Continuity. In industries such as medical diagnostics or railway signaling, the cost of re-certifying a new display size or interface often exceeds the cost of the hardware itself. By utilizing a 7.0-inch WQVGA module with a CCFL backlight, engineers can maintain systems designed over a decade ago without compromising on the environmental resilience required by IEC 60068-2 standards. This is particularly relevant for marine LCDs where salt-spray resistance and wide viewing angles are paramount for bridge safety.
Understanding the transition from CCFL to LED is also essential for Total Cost of Ownership (TCO) calculations. While CCFL requires an external high-voltage inverter, it provides a very uniform light distribution that many legacy optical filters are tuned for. Using this original specification prevents "hot-spotting" issues common when retrofitting older enclosures with modern LED strips. To learn more about the technical evolution of these technologies, consult our guide on industrial LCD applications or explore the engineering challenges of harsh environments.
FAQ
How does the -30°C operating temperature of the LQ070T5DG01 impact cold-start performance in outdoor HMIs?
Unlike consumer displays that may suffer from ghosting or a total "black out" at low temperatures, the LQ070T5DG01 liquid crystal fluid is rated for -30°C. This ensures that visual telemetry is available immediately upon system power-up, which is vital for safety-critical applications in northern climates.
Can the Sharp LQ070T5DG01 be used as a direct replacement for newer LED-backlit 7-inch models?
While the 7.0-inch active area may be similar, the LQ070T5DG01 utilizes a CCFL backlight which requires an inverter. If replacing an LED-based module, you must ensure the power architecture supports the inverter's voltage requirements and that the 400x240 timing controller (T-CON) logic is compatible with your existing video source.
As a specialized distributor, we provide high-precision technical data to support your procurement and engineering evaluation. For availability, volume pricing, or technical integration support regarding the Sharp LQ070T5DG01, please contact our technical sales team for an official quotation based on your project requirements.
