LQ104V1DG5B Datasheet | 10.4" VGA LCD for Extreme -30°C to 80°C Industrial Use
A Foundation of Durability in a Rapidly Evolving Market
In an era where consumer electronics prioritize rapid refresh cycles, the industrial sector operates on a different principle: longevity. System designers for industrial automation, transportation, and process control require components that are not only functional but fundamentally reliable over a service life spanning a decade or more. The Sharp LQ104V1DG5B is a direct response to this need. It represents a design philosophy centered on stability and operational resilience, particularly where thermal stress is a primary failure vector. This 10.4-inch TFT-LCD panel delivers consistent, clear VGA resolution backed by an engineering pedigree focused on enduring the harshest industrial conditions, ensuring your human-machine interface (HMI) remains a dependable asset, not a recurring liability.
Core Performance Metrics
The technical specifications of the LQ104V1DG5B are tailored for demanding industrial and embedded applications where operational uptime is paramount.
| Optical Characteristics | |
|---|---|
| Screen Size | 10.4 inches |
| Resolution | 640(RGB) x 480 [VGA] |
| Brightness | 250 cd/m² (Typ.) |
| Contrast Ratio | 500:1 (Typ.) |
| Viewing Angle | 60/60/40/60 (Typ.)(CR≥10) |
| Surface Treatment | Anti-glare |
| Electrical & Interface | |
| Interface Type | 31 pins CMOS (1 ch, 6-bit) |
| Backlight | 1 pc CCFL, 50K hours (Typ.) |
| Mechanical & Environmental | |
| Operating Temperature | -30 ~ 80 °C |
| Storage Temperature | -30 ~ 80 °C |
| Outline Dimensions | 241.0(W) x 180.3(H) x 11.0(D) mm |
For complete electrical and mechanical specifications, please Download the Datasheet.
Engineered for Longevity, Not Obsolescence
The strategic value of the Sharp LQ104V1DG5B extends beyond its immediate performance. For OEMs producing equipment with long production lifecycles, such as CNC machinery, medical diagnostic tools, or avionics, component stability is a cornerstone of profitability. Integrating this display minimizes the risk of costly redesigns and re-qualifications forced by the discontinuation of consumer-grade panels. Its proven a-Si TFT technology and robust CCFL backlight system are engineered for a consistent supply chain and predictable performance, providing a stable platform that supports your product roadmap for years, directly enhancing total cost of ownership (TCO) and brand reputation for reliability.
System Integration Blueprint: Where the LQ104V1DG5B Excels
Selecting the right display is an exercise in matching component strengths to application demands. The LQ104V1DG5B is the definitive choice when the operational environment is thermally challenging and long-term reliability is the primary design driver. While a higher-resolution panel like the G104XCE-L01 may be preferable for displaying complex schematics or high-density data, the LQ104V1DG5B's VGA format is perfectly optimized for clear, unambiguous status indicators, control menus, and essential readouts. Its true advantage emerges in scenarios where other displays fail: its exceptional -30°C to +80°C operating range allows for deployment in non-climate-controlled spaces, eliminating the need for auxiliary heating or cooling systems and thus simplifying the overall system design and reducing potential points of failure.
Deployments in Demanding Thermal Frontiers
The value of the LQ104V1DG5B is most apparent in applications where temperature fluctuations are severe and unavoidable. Its wide operating temperature range makes it a first-tier candidate for systems where environmental control is impractical or impossible.
- Vehicle Operator Cabins: In construction, agriculture, and logistics vehicles, cabin temperatures can plummet below freezing or soar in direct sunlight. This panel ensures the operator's interface remains functional and readable from cold starts to peak afternoon heat.
- Outdoor Kiosks and Terminals: From ticketing machines to fuel pump displays, these systems are exposed to the full spectrum of weather conditions. The LQ104V1DG5B provides the necessary resilience to operate year-round without failure.
- Industrial Process Control: Installed on factory floors near furnaces, cooling lines, or other heat-generating equipment, this display maintains stable performance, providing critical data to operators without succumbing to thermal stress.
- Marine and Navigation Systems: On ship bridges or in engine control rooms, the combination of temperature extremes and the need for unwavering reliability makes this display a suitable choice for displaying essential navigational and systems data.
Inside the Build: A Focus on Robust Performance
Two key specifications of the Sharp LQ104V1DG5B directly translate into tangible engineering benefits. Understanding their impact clarifies the module's core value proposition. For a broader understanding of the underlying technology, explore our Ultimate Guide to TFT-LCD.
First, the operating temperature range of -30°C to +80°C is not a mere number; it is a testament to the specialized materials used. At the low end, the liquid crystal fluid is formulated to resist becoming overly viscous, which would otherwise lead to slow response times and "ghosting." At the high end, the materials are selected to prevent degradation, ensuring the display's contrast and color do not permanently shift after prolonged exposure to heat. This specification allows designers to confidently place their systems in environments detailed in our guide on Engineering for Extremes.
Second, the 500:1 contrast ratio ensures excellent legibility. Think of contrast ratio as the clarity of a traffic signal in dense fog versus on a clear day. A higher ratio means blacks are deeper and whites are brighter, making text, numbers, and status icons sharp and distinct. For an HMI, this is not a luxury; it is a safety and efficiency feature that reduces operator error and improves reaction time.
Your system's reliability is only as strong as its most vulnerable component. The LQ104V1DG5B provides a robust visual interface built to withstand the thermal challenges of real-world industrial environments. If your application demands steadfast performance from freezing starts to scorching operational peaks, this display is engineered to deliver. Contact our technical team to discuss your project requirements or to request a quote for the LQ104V1DG5B and ensure your design is built on a foundation of reliability.
Frequently Asked Questions
- What is the typical lifespan of the CCFL backlight in the LQ104V1DG5B?The CCFL backlight is rated for a typical lifetime of 50,000 hours to half-brightness. This long operational life is specifically designed for industrial applications where continuous operation is common and maintenance opportunities are infrequent, contributing to a lower total cost of ownership.
- Is a VGA (640x480) resolution still relevant for new industrial designs?Absolutely. While higher resolutions are available, VGA remains a highly effective and resource-efficient standard for a vast range of HMI applications. It is ideal for displaying critical process data, control menus, and status indicators where clarity and instant readability are more important than information density. Furthermore, it requires less processing power and simpler driving electronics, which can lead to a more robust and cost-effective overall system design.
