Sharp LQ064V3DG02 | A Legacy of Reliability in Industrial VGA Displays
The Sharp LQ064V3DG02 is a testament to the engineering principle that proven technology is often the most reliable. This 6.4-inch VGA TFT-LCD display has been a cornerstone in demanding industrial, medical, and instrumentation applications for years. Its design prioritizes operational stability, long-term availability, and consistent performance, making it an ideal choice for new designs requiring a robust human-machine interface (HMI) or as a field-proven replacement part for existing systems.
Key Performance Highlights
- Industrial-Grade Construction: Built by Sharp to withstand the rigors of continuous operation in factory and field environments.
- Standard VGA Resolution: The 640x480 resolution provides crisp, clear rendering of graphical user interfaces and data, ensuring compatibility with a vast range of industrial controllers and single-board computers.
- Proven Backlight Technology: Features a long-life Cold Cathode Fluorescent Lamp (CCFL) backlight, known for its stable color temperature and consistent brightness over its operational lifespan.
- High-Contrast Display: A typical contrast ratio of 300:1 ensures excellent readability of text and schematics, reducing operator eye strain.
Technical Specifications at a Glance
For engineers requiring precise data for system integration, the following table summarizes the core parameters of the Sharp LQ064V3DG02. A comprehensive datasheet is available for detailed electrical and mechanical specifications. Download the LQ064V3DG02 Datasheet.
| Parameter | Specification |
|---|---|
| Manufacturer | Sharp |
| Model | LQ064V3DG02 |
| Screen Size | 6.4 inch |
| Resolution | 640(RGB)×480, VGA |
| Display Technology | a-Si TFT-LCD, Transmissive |
| Brightness | 200 cd/m² (Typ.) |
| Contrast Ratio | 300:1 (Typ.) |
| Viewing Angle | 60/60/40/70 (Typ.)(CR≥10) |
| Backlight | 1 pc CCFL with Inverter |
| Signal Interface | Parallel RGB (1 ch, 6-bit) |
| Operating Temperature | 0 ~ 55 °C |
An Engineering Deep Dive: The Value of Proven Technology
While modern displays often emphasize cutting-edge features, the LQ064V3DG02's strength lies in its mature and exceptionally reliable technology. Its foundation on Amorphous Silicon (a-Si) TFT technology provides a cost-effective yet robust platform that has been perfected over decades. For industrial applications, this translates directly to predictable performance and a lower total cost of ownership, free from the teething issues of newer, less-established technologies. This makes it a go-to component for systems where reliability is non-negotiable, a concept further explored in our ultimate guide to TFT-LCDs.
Application Suitability: Where the LQ064V3DG02 Excels
The specific combination of size, resolution, and ruggedness makes this display a perfect fit for several key sectors:
- Industrial Control Panels: In machinery control and process automation, the Sharp LQ064V3DG02 provides a clear, reliable HMI. Its standard interface simplifies integration with PLCs and embedded systems.
- Medical Diagnostic Equipment: For devices like patient monitors or analysis instruments that have long product lifecycles, this display offers the consistent image quality and long-term supply stability required for medical certification and use.
- Test and Measurement Instruments: The VGA format is a staple in oscilloscopes, spectrum analyzers, and network testers. This display serves as a direct-fit replacement or a primary display for new designs, ensuring clear data visualization for technicians and engineers.
Frequently Asked Questions (FAQ)
Is the LQ064V3DG02 a suitable replacement for older 6.4" VGA displays?
Yes, in many cases. Its standard VGA resolution, physical dimensions, and parallel RGB interface make it a strong candidate for replacing end-of-life displays from other manufacturers in legacy equipment. However, it is crucial to verify the backlight inverter requirements and connector pinouts against your existing system's documentation. For guidance on engineering displays for extreme environments or specific replacement queries, it's best to consult an expert.
What are the main considerations for driving the CCFL backlight?
The LQ064V3DG02 includes the backlight inverter, which simplifies integration significantly. The primary consideration is providing the correct input voltage and current to the inverter module as specified in the datasheet. Unlike modern LED backlights that use PWM for dimming, CCFL brightness is typically controlled by adjusting the inverter's input, ensuring a stable and flicker-free light source.
For detailed integration support or to verify stock of the Sharp LQ064V3DG02 and other industrial LCD displays, please contact our technical team.
