Sharp LQ104V1LG61 LCD Display

Sharp LQ104V1LG61: 10.4-inch VGA Display for Industrial Use

A Robust VGA Display for Demanding Industrial Environments

The Sharp LQ104V1LG61 is a 10.4-inch color TFT-LCD module engineered for long-term operational integrity in environments where conventional displays would falter. It delivers proven durability through a wide operating temperature range and robust mechanical construction. Key specifications include: 640x480 VGA Resolution | 250 cd/m² Brightness | -10°C to +65°C Operating Temperature. This display's design directly addresses the need for reliable human-machine interfaces (HMIs) in settings with significant mechanical stress. Its specified vibration (1.0G) and shock (50G) resistance provide engineering assurance of sustained performance on factory floors or in mobile equipment, ensuring data remains clear and accessible under challenging conditions.

Deployments Where Durability is Paramount

The true value of a component is demonstrated in its real-world application. The LQ104V1LG61 is not merely specified for resilience; it is built for deployment scenarios where failure carries significant operational costs. We have observed this module successfully integrated into systems such as:

• Legacy CNC Machine Control Panels: Providing a clear, direct-fit replacement that withstands the constant, low-frequency vibrations typical of machine shops.
• Vehicle-Mounted Logistics Terminals: In forklifts and delivery trucks, the display's shock absorption capabilities prevent screen damage from bumps and jolts, ensuring order information is always available.
• Process Control Stations: Deployed in manufacturing facilities with fluctuating ambient temperatures, its wide thermal operating window eliminates the need for auxiliary climate control, simplifying system design.

Key Parameter Overview

Specifications Engineered for System Reliability

The parameters of the Sharp LQ104V1LG61 are selected to provide a foundation of reliability for industrial system designers. The focus extends beyond simple image quality to encompass the physical and electrical resilience necessary for long-term, stable operation.

Download the Datasheet for Full Specifications

Industry Insights & Strategic Advantage

The Strategic Value of Resilience in Industrial HMIs

In the context of Industry 4.0 and increasing automation, the Human-Machine Interface is a critical point of interaction and potential failure. The selection of a display module like the LQ104V1LG61 reflects a strategic decision favoring total cost of ownership (TCO) over initial unit price. What is the key benefit of the LQ104V1LG61's construction? Its design ensures operational integrity under significant mechanical shock and vibration. This resilience translates directly into reduced downtime, fewer service calls, and a longer productive life for the entire system—a crucial advantage in capital-intensive industrial equipment. For more on this topic, see our guide on industrial vs. consumer displays.

Intra-Series Comparison & Positioning

Positioning within the Industrial Display Landscape

The Sharp LQ104V1LG61 carves out a specific niche within the broad field of industrial displays. Its 640x480 VGA resolution positions it as an ideal component for systems that require clear, functional data presentation without the high pixel density of modern HD panels. This makes it an excellent candidate for retrofitting older equipment or for new designs where the graphical user interface is optimized for clarity and immediate comprehension over complexity. Compared to higher-resolution panels, its data and power requirements are modest, simplifying system integration. For systems requiring the same screen size and durability but with different resolutions, options like the AA104VC06 offer a similar feature set.

Frequently Asked Questions for System Integrators

1. What is the expected lifespan of the CCFL backlight in the LQ104V1LG61 and is it replaceable?The datasheet specifies a typical lamp life of 50,000 hours to half-brightness. This long operational life is a key factor in its low-maintenance design. The CCFL tube is a discrete component and is designed to be replaceable, allowing for cost-effective refurbishment of the HMI unit at the end of the backlight's life, rather than requiring a full panel replacement.

2. How do the specified shock and vibration ratings translate to real-world application reliability?The 1.0G vibration and 50G shock ratings are not just theoretical limits; they are engineering benchmarks that guarantee the display's physical integrity. Think of the shock rating like a vehicle's suspension system—it's designed to absorb sudden, significant energy inputs without damage. This means the display can reliably operate in environments like stamping presses, mobile construction equipment, and transportation systems where it is subjected to constant jarring and impacts that would cause catastrophic failure in less robust displays.

Application Scenarios & Value

Field-Proven Applications for the LQ104V1LG61

The design principles of the Sharp LQ104V1LG61 make it a suitable choice for a defined set of demanding applications where reliability is the primary consideration. Its value is most evident where environmental conditions are unpredictable or harsh.

• Industrial Automation: As a primary HMI on factory floors, providing operators with a clear view of machine status and control inputs, unaffected by nearby heavy machinery.
• Test and Measurement Equipment: Integrated into portable or benchtop devices used in field service or laboratories, where equipment may be subject to transportation and varied operating temperatures.
• Marine Electronics: Suitable for use in helm control panels and navigation systems on smaller vessels, where constant vibration and a wider temperature range are standard operating conditions. How does its surface treatment improve usability? The anti-glare finish maintains high readability in bright, challenging industrial lighting.

With a proven operational temperature range up to 65°C and 50G shock tolerance, the LQ104V1LG61 is the definitive choice for legacy HMI systems where environmental resilience is non-negotiable.

Technical Deep Dive

Engineering Analysis of a Rugged Display Architecture

The durability of the LQ104V1LG61 is a result of specific engineering choices. The operating temperature range of -10°C to +65°C is achieved through careful material selection for the liquid crystal and internal components, ensuring consistent response times and avoiding crystallization at low temperatures. This is a critical factor explored in guides for designing displays for heavy machinery.

The mechanical specifications are equally important. The shock resistance rating is a measure of the module's ability to withstand sudden acceleration or deceleration. A rating of 50G means the internal structure, including the glass substrate and backlight assembly, is secured to handle significant impacts. This is achieved through a robust chassis design and secure mounting of internal components, which prevents disconnection or damage under physical stress. This type of construction is fundamental to the proven a-Si TFT technology used in industrial applications.

For your next project requiring a display that offers predictable, long-term performance in challenging physical environments, the Sharp LQ104V1LG61 presents a well-documented and field-proven solution. To further explore the technical specifications or to discuss procurement for your system design, please contact our team for expert consultation.