Content last revised on November 18, 2025
LQ050Q3DG01: A Robust 5.0-inch WQVGA Display for Demanding Industrial Environments
Product Overview & Key Specifications
Engineered for Reliability in Compact Human-Machine Interfaces
The Sharp LQ050Q3DG01 is a 5.0-inch amorphous silicon TFT-LCD module designed for high-performance applications where operational reliability across a wide temperature range is non-negotiable. Its value proposition is centered on delivering consistent optical performance in a compact form factor suitable for industrial controls and portable instrumentation. With key specifications of 5.0" Diagonal | 480x272 Resolution | -20 to 70°C Operating Temperature, it provides both a durable design and clear image reproduction. This ensures dependable operation in fluctuating environmental conditions and simplifies system integration through its standard digital interface. For space-constrained industrial HMIs requiring robust, long-term performance, the LQ050Q3DG01 is a definitive choice.
Application Scenarios & Value
System-Level Benefits for Portable and Fixed Industrial Equipment
The true engineering value of the LQ050Q3DG01 becomes evident in high-fidelity industrial scenarios. Consider the challenge of developing a portable emissions analyzer for automotive technicians. This device must function reliably whether used in a sub-zero garage in winter or next to a hot engine block in summer. The LQ050Q3DG01's wide operating temperature range of -20 to 70°C directly addresses this challenge, ensuring the screen remains readable and responsive without costly and space-consuming thermal management hardware. Its 5.0-inch diagonal and WQVGA (480x272) resolution provide sufficient screen real-estate for displaying critical data and graphical user interfaces within the tight constraints of a handheld form factor. This makes it an excellent fit for applications such as portable test equipment, industrial HMI panels, and medical monitoring devices where both compactness and environmental resilience are paramount. While this model is optimized for 5-inch designs, for systems requiring a slightly larger viewing area with similar VGA resolution, the related LQ064V3DG06 offers a 6.4-inch alternative.
Key Parameter Overview
Decoding the Specs for Environmental and Optical Performance
The specifications of the LQ050Q3DG01 are tailored for industrial utility. The parameters are organized to provide a clear view of its capabilities, from its core display characteristics to its environmental ruggedness.
| Display Characteristics | |
|---|---|
| Screen Size | 5.0 inch |
| Pixel Format | 480(RGB)×272 [WQVGA] |
| Active Area | 110.88(H) × 62.832(V) mm |
| Pixel Pitch | 0.231(H) × 0.231(V) mm |
| Optical Performance | |
| Luminance | 400 cd/m² (Typ.) |
| Contrast Ratio | 500:1 (Typ.) (TM) |
| Viewing Angle | 70/70/50/70 (Typ.)(CR≥10) |
| Display Colors | 262K (6-bit) |
| Backlight | WLED, 50K hours (Typ.) |
| Environmental & Electrical | |
| Operating Temperature | -20 ~ 70 °C |
| Storage Temperature | -30 ~ 80 °C |
| Signal Interface | Parallel RGB (1 ch, 6-bit), 40 pins FPC |
| Input Voltage | 3.3V (Typ.) |
Download the LQ050Q3DG01 datasheet for detailed specifications and performance curves.
Frequently Asked Questions (FAQ)
Engineering Considerations for the LQ050Q3DG01
How does the LQ050Q3DG01's wide operating temperature range impact system design?
The -20 to 70°C operating range significantly simplifies thermal design. It often eliminates the need for auxiliary heaters or fans in control cabinets or outdoor terminals that experience wide temperature swings, thereby reducing system complexity, bill of materials (BOM) cost, and potential points of failure.
What are the integration benefits of the parallel RGB interface for embedded systems?
The 6-bit parallel RGB interface is a widely supported standard among microcontrollers (MCUs) and single-board computers (SBCs) with dedicated display controllers. This ensures straightforward hardware integration and allows for high-speed, direct data transfer from the frame buffer to the display, which is ideal for dynamic user interfaces in embedded systems without the complexity of an LVDS or MIPI interface.
Technical Deep Dive
A Closer Look at the a-Si TFT Technology for Industrial Durability
The reliability of the Sharp LQ050Q3DG01 in harsh conditions stems from its foundation in amorphous silicon (a-Si TFT) technology. This mature and robust manufacturing process creates the transistor array that controls each pixel. While other technologies may offer higher electron mobility, a-Si provides a proven, cost-effective platform with excellent stability across wide temperature gradients. The engineering that enables its broad operational spectrum involves more than just the silicon. Think of the liquid crystal fluid within the display as being analogous to a high-performance, multi-grade engine oil. Just as this oil is formulated to maintain its viscosity and lubricating properties in both freezing and high-heat conditions, the specific liquid crystal mixture in the LQ050Q3DG01 is engineered to maintain its electro-optical properties—like response time and clarity—across the entire -20 to 70°C range. This ensures that the display avoids issues like sluggish pixel response in the cold or image degradation in the heat, a critical factor for HMIs that must provide clear information to operators at all times.
Request for Documentation
For detailed design-in support, including mechanical drawings and interface timing specifications, please request the complete datasheet for the LQ050Q3DG01. Our team can provide the necessary documentation to support your evaluation and integration process for your next industrial application.
