Content last revised on November 18, 2025
Sharp LQ080V3DG01: An 8.0-inch VGA Display Engineered for Industrial Clarity and Longevity
The Sharp LQ080V3DG01 is an 8.0-inch a-Si TFT-LCD module designed for consistent, long-term performance in demanding industrial applications. It delivers a balanced combination of proven technology and robust construction, centered on a standard 4:3 aspect ratio and reliable CCFL backlighting. With its 640x480 VGA resolution and wide operational temperature range, this display provides a durable and clear human-machine interface (HMI) solution. What is the primary benefit of its anti-glare and anti-reflective surface? Enhanced readability in variable industrial lighting conditions, reducing operator eye strain. For applications requiring a clear, dependable display without the complexity of modern high-resolution interfaces, the LQ080V3DG01 offers a straightforward, effective solution.
Application Scenarios & Value
System-Level Benefits in Industrial Control and Instrumentation
The LQ080V3DG01 is ideally suited for integration into industrial control panels, legacy system retrofits, and specialized instrumentation where reliability and readability are paramount. Its 640x480 resolution is optimal for displaying essential process data, schematics, and user interfaces without overwhelming the operator. Consider an engineer designing a control panel for a CNC machine. The primary challenge is ensuring the user interface remains clear and responsive under fluctuating factory lighting. The LQ080V3DG01's 380 cd/m² brightness, combined with its anti-glare and anti-reflection surface treatment, directly addresses this challenge by minimizing reflections and maintaining contrast. This ensures that critical machine status information is always legible, improving both operational efficiency and safety. The panel's wide operating temperature range of 0 to 70°C further guarantees stable performance in non-climate-controlled industrial environments. For systems requiring a more compact footprint, the related LQ064V3DG06 offers similar robust characteristics in a 6.4-inch form factor.
Key Parameter Overview
Highlighted Specifications for System Integration
The technical specifications of the Sharp LQ080V3DG01 are tailored for straightforward integration and dependable performance in industrial settings. The focus on a standard interface and proven backlight technology simplifies design-in cycles for engineers.
| Parameter | Specification |
|---|---|
| Display Type | a-Si TFT-LCD, Normally White, Transmissive |
| Screen Size | 8.0 inch diagonal |
| Resolution | 640(RGB) x 480 (VGA) |
| Brightness | 380 cd/m² (Typ.) |
| Contrast Ratio | 250:1 (Typ.) |
| Viewing Angle (CR≥10) | 65/65/65/55 (L/R/U/D) |
| Signal Interface | Parallel RGB (1 ch, 6-bit), 32 pins |
| Backlight | Single CCFL, 10k hours (Min.) |
| Operating Temperature | 0°C to 70°C |
| Outline Dimensions | 183 x 141 x 14.0 mm |
Download the LQ080V3DG01 datasheet for detailed specifications and performance curves.
Technical Deep Dive
Understanding the Parallel RGB Interface and its Application Advantages
The Sharp LQ080V3DG01 utilizes a Parallel RGB interface, a technology that offers distinct advantages in specific engineering contexts. Unlike modern serial interfaces like LVDS or eDP which require complex serialization/deserialization hardware, the parallel interface transmits color data for each pixel directly and simultaneously over multiple data lines. For a 6-bit interface like this one, there are dedicated pins for the red, green, and blue color data, alongside timing signals like pixel clock (CLK), horizontal sync (HSYNC), and vertical sync (VSYNC). This direct-drive approach is akin to having a multi-lane highway where each car (pixel data) has its own lane, leading to minimal latency and a very predictable, straightforward implementation. This simplicity is a major benefit for industrial systems, as it reduces the need for specialized interface chipsets, simplifying the mainboard design and potentially lowering BOM costs. It also makes debugging and signal verification more accessible for engineers using standard logic analyzers, a key benefit during prototyping and production troubleshooting. While it may not support the high resolutions of newer standards, its robustness and ease of implementation make it a perfect fit for the VGA resolution of the LQ080V3DG01 in industrial control systems.
Frequently Asked Questions (FAQ)
What is the significance of the 6 o'clock viewing direction?
The 6 o'clock viewing direction indicates that the display's contrast and color fidelity are optimized for viewing from a slightly below-center position. This is a crucial design consideration for HMIs mounted on vertical control panels or consoles, where the operator is typically standing or sitting in front of and looking slightly down at the screen. It ensures the best visual performance from the most common operator viewpoint.
Does the LQ080V3DG01 require an external backlight driver?
Yes, the display module incorporates a CCFL backlight lamp but does not include the driver (inverter) required to power it. System designers must integrate a separate CCFL inverter that meets the specified voltage (Typ. 860V) and current (Typ. 6.0mA) requirements to properly drive the backlight. This modular approach allows for greater flexibility in system design and power supply architecture.
How does the Antiglare/Antireflection surface enhance usability?
This dual surface treatment is engineered to diffuse ambient light that strikes the display. The antiglare property uses a slightly roughened surface to scatter harsh light from overhead sources, preventing sharp, mirror-like reflections. The antireflection coating is a microscopic layer that reduces the amount of light that bounces off the screen. Together, they significantly improve readability in environments with uncontrolled lighting, a common challenge in factories and field applications, leading to better accuracy and reduced operator fatigue.
What does a "Normally White" TN panel mean for industrial applications?
A "Normally White" display means that the pixels are transparent in their default, unpowered state. In the event of a signal or pixel failure, the affected pixel will appear white. This can be a strategic advantage in certain industrial or medical applications where a failed-dark pixel could obscure critical underlying information or warnings. It ensures that any display fault is immediately and clearly visible to the operator.
Strategic Fit in Established Systems
The LQ080V3DG01 represents a strategic choice for extending the lifecycle of existing industrial equipment and for new designs that prioritize stability and proven performance over cutting-edge specifications. Its adoption of a standard VGA resolution and parallel RGB interface ensures broad compatibility with a vast range of industrial motherboards and single-board computers, minimizing the need for costly redesigns or software redevelopment. By providing a reliable, long-lasting display solution, the Sharp LQ080V3DG01 enables manufacturers to maintain system integrity and support their products in the field for years to come, aligning with the industry's critical need for long-term operational continuity. For a deeper understanding of the underlying technology, explore The Ultimate Guide to TFT-LCDs.
