LG LB064V02-A3 | A Robust 6.4" VGA TFT Display for Legacy System Integration
The LG LB064V02-A3 is a testament to the engineering principle that proven technology is often the most reliable. This 6.4-inch a-Si TFT-LCD panel delivers consistent, clear VGA resolution (640x480) tailored for applications where long-term stability and backward compatibility are paramount. It represents a cornerstone component for maintaining and developing systems in industrial, medical, and specialized instrumentation sectors.
- Industry-Standard VGA Resolution: At 640x480 pixels, it provides the perfect balance of clarity and efficiency for graphical user interfaces and data readouts without overburdening system processors.
- Proven CCFL Backlight Technology: Offers stable luminance and a known performance lifecycle, making it a predictable and dependable choice for mission-critical equipment.
- Robust Construction: Engineered for durability, the LB064V02-A3 is built to withstand the operational demands of factory floors, medical facilities, and field instruments.
- Seamless System Integration: Its standard digital RGB interface ensures straightforward integration with a wide range of legacy and custom-designed controller boards.
Key Parameters Overview
For engineers, precise specifications are crucial. The following table outlines the key performance metrics of the LB064V02-A3 display module. For complete electrical and mechanical details, you can download the full datasheet here.
| Parameter | Specification |
|---|---|
| Manufacturer | LG |
| Model | LB064V02-A3 |
| Screen Size | 6.4 inches |
| Resolution | 640(RGB) x 480 [VGA] |
| Display Technology | a-Si TFT-LCD, Normally White |
| Brightness | 200 cd/m² (Typ.) |
| Interface Type | Digital RGB (8-bit), 31 pins |
| Backlight System | 1 pc CCFL with Inverter |
| Operating Temperature | 0 ~ 50 °C |
| Viewing Angle | 45/45/15/35 (L/R/U/D) |
Technical Deep Dive: Engineering for Reliability
The design philosophy behind the LG LB064V02-A3 prioritizes operational stability over bleeding-edge specifications. This makes it a strategic choice for specific engineering challenges.
The Enduring Value of the VGA Standard
While modern displays push into HD and UHD resolutions, the 640x480 VGA standard remains a highly relevant and intelligent choice for many industrial systems. Its primary benefit lies in its efficiency. VGA requires significantly less processing power and memory bandwidth compared to higher-resolution panels. This allows for the use of more cost-effective microcontrollers and simplifies software development, a critical advantage in systems where the HMI is a functional tool, not a media consumption device. For a comprehensive overview of the underlying technology, see our ultimate guide to TFT-LCD.
CCFL Backlight: A Known Quantity in System Design
The Cold Cathode Fluorescent Lamp (CCFL) backlight is a mature technology. Unlike modern LED systems, a CCFL system requires a high-voltage inverter, a design consideration that engineers familiar with legacy systems are well-equipped to handle. The key advantage of CCFL in this context is its predictability. Its performance characteristics and lifespan are well-documented, allowing for precise maintenance scheduling and reliable end-of-life predictions in equipment designed for a 10+ year service life.
Application Scenarios & Value Proposition
The LB064V02-A3 excels in environments where clarity, reliability, and compatibility are the driving design factors.
- Industrial Control Panels & HMIs: It serves as a clear and reliable visual interface for PLCs and other control systems on the factory floor, where complex data must be presented without ambiguity.
- Medical Diagnostic Equipment: In legacy ultrasound machines, patient monitors, or lab equipment, this display provides the consistent image quality required for accurate diagnostics, ensuring continuity of service for established medical platforms.
- Test and Measurement Instruments: For oscilloscopes, spectrum analyzers, and network testers, the VGA resolution is ideal for displaying waveforms and numerical data with precision, without the overhead of higher resolutions.
Frequently Asked Engineering Questions
1. Can the LB064V02-A3 serve as a direct replacement for other 6.4" VGA panels?
In many cases, yes. However, it is critical to verify three key aspects: the mechanical mounting dimensions, the 31-pin connector pinout for the digital RGB interface, and the power requirements of the CCFL inverter. A thorough datasheet comparison is essential before committing to a replacement.
2. What are the primary considerations for the CCFL backlight system?
The main considerations are the need for a compatible high-voltage inverter to power the lamp and the rated half-life of the CCFL tube (typically 10,000-20,000 hours). For systems requiring 24/7 operation, this translates into a predictable maintenance cycle. For more on proper display upkeep, review our guide on industrial display maintenance.
For detailed integration support or to discuss sourcing for the LG LB064V02-A3, we encourage you to contact our technical team to ensure your project's success.
