LTM08C351L: A Robust 8.4-inch SVGA Display for Industrial Longevity
LTM08C351L TFT-LCD: 8.4-inch SVGA for Industrial Systems
Introduction and Core Highlights
The LTM08C351L is an 8.4-inch SVGA TFT-LCD module engineered for high reliability in demanding industrial applications. Its defining feature is a combination of high brightness and an exceptionally long-life CCFL backlight system, ensuring sustained performance and visual clarity over extended operational periods. This makes it a robust solution for upgrading or maintaining legacy HMI, control, and instrumentation systems where dependable, long-term readability is a primary engineering requirement.
- Core Specifications: 8.4-inch | 800×600 SVGA | 350 cd/m² Brightness
- Key Advantages: Excellent readability in high ambient light; 50,000-hour backlight lifespan reduces maintenance cycles.
Download the Official Datasheet (PDF)
Technical Analysis for Sustained Performance
The engineering value of the LTM08C351L is centered on its visual reliability and durability. A typical luminance of 350 cd/m² provides the necessary brightness for clear image reproduction in environments with high ambient lighting, such as factory floors or control rooms. This level of brightness ensures that critical data and operator interfaces remain legible, minimizing the potential for errors. The TN, normally white display mode further contributes to clear, high-contrast visuals.
A key differentiator for this module is its dual CCFL backlight system, which is rated for a 50,000-hour lifespan (MTBF). This can be thought of as the display’s operational endurance; a longer rating directly translates to lower total cost of ownership by reducing the frequency of maintenance and replacement cycles. For systems intended for long-service life, this feature is a critical design consideration. The backlight lamps are also structured to be replaceable, offering a practical path for extending the display’s utility even further.
Optimized Application Scenarios
The LTM08C351L is well-suited for a range of applications where proven technology and long-term availability are prioritized over the latest display trends.
- Industrial HMI Panels: The 800×600 resolution and 8.4-inch active area are a standard fit for many legacy controllers, and its high brightness ensures operator clarity.
- Medical Diagnostic Equipment: The long-life backlight and stable performance are ideal for devices that must operate consistently over many years.
- Test and Measurement Systems: Provides clear, unambiguous data readouts, supported by a typical contrast ratio of 300:1.
- Process Control Interfaces: Its robust mechanical design and reliable visual output are essential for monitoring critical infrastructure.
Its specifications make it an optimal match for systems requiring a durable SVGA display with proven long-term performance and high visibility.
Key Specifications of the LTM08C351L
| LTM08C351L Technical Data | |
|---|---|
| Display Characteristics | |
| Screen Size | 8.4 inches |
| Resolution | 800 (RGB) × 600 [SVGA] |
| Active Area | 170.4 × 127.8 mm (H×V) |
| Pixel Pitch | 0.213 × 0.213 mm (H×V) |
| Optical Characteristics | |
| Luminance | 350 cd/m² (Typ.) |
| Contrast Ratio | 300:1 (Typ.) |
| Viewing Angle | 50/50/40/50 (Typ.)(CR≥10) (L/R/U/D) |
| Backlight & Electrical | |
| Backlight Type | 2 pcs CCFL, Edge light type |
| Backlight Lifetime | 50,000 hours (Typ.) |
| Signal Interface | LVDS (1 ch, 6-bit), 20 pins |
| Supply Voltage | 3.3V (Typ.) |
| Mechanical & Environmental | |
| Outline Dimensions | 199.5 × 149.5 × 12.0 mm (H×V×D) |
| Weight | 385g (Typ.) |
| Operating Temperature | -10 ~ 65 °C |
| Storage Temperature | -20 ~ 80 °C |
Engineer’s FAQ
What are the main factors to check when using the LTM08C351L as a replacement part?
When integrating the LTM08C351L, verify three primary points: the mechanical dimensions (199.5 x 149.5 x 12.0 mm), the 20-pin LVDS connector pinout for signal compatibility, and the power requirements for the CCFL backlight. This display requires a separate external inverter for the backlight, which must match the lamp’s voltage and current specifications.
Is the CCFL backlight difficult to manage in new designs?
While modern designs often use LED backlights, CCFL technology is well-understood and reliable. The key is to pair the display with a high-quality inverter. The 50,000-hour rated lifespan of the LTM08C351L’s backlight minimizes near-term maintenance concerns, making it a dependable choice for systems where longevity is a priority. For more insights on display technologies, explore topics on LCD core technology.
How does the operating temperature range impact system design?
The specified operating range of -10 to +65 °C allows the LTM08C351L to be used in a wide array of industrial settings without requiring specialized heating or cooling components. This simplifies the thermal management of the overall system, reducing complexity and potential points of failure.
What is the typical power consumption?
The total power consumption is approximately 6.4W, with the panel logic drawing around 200mA at 3.3V and the CCFL backlight consuming the remainder. This information is critical for designing the system’s power supply and ensuring sufficient capacity.
Enabling System Longevity
For engineers tasked with developing or maintaining systems that rely on a visually clear and environmentally resilient 8.4-inch SVGA display, the LTM08C351L provides a solution rooted in proven technology. Its balance of high brightness, extended backlight life, and standard interfaces supports the design and upkeep of reliable, long-service-life equipment. This focus on durability is a cornerstone of robust industrial display engineering.