Sharp LQ9D168K | Robust 8.4-inch SVGA Display for Demanding Industrial Environments
The Sharp LQ9D168K is an 8.4-inch SVGA TFT-LCD panel engineered for applications where reliability, visual clarity, and long-term availability are non-negotiable. This display isn't designed for consumer trends; it is a purpose-built component for the rigorous demands of industrial, medical, and instrumentation sectors. Its balanced performance characteristics make it an ideal choice for system upgrades and new designs requiring proven, dependable display technology.
- Exceptional Clarity: Features an 800 x 600 SVGA resolution and a 450 cd/m² brightness, delivering sharp, readable graphics and data in typical indoor industrial settings.
- Proven Reliability: Built with amorphous silicon (a-Si TFT) technology and a durable CCFL backlight system, ensuring a long operational life essential for mission-critical equipment.
- Wide Compatibility: A standard LVDS interface simplifies integration with a vast range of industrial motherboards and single-board computers, minimizing design-in time and complexity.
- Engineered for Longevity: Specifically designed for long-lifecycle industrial products, making the Sharp LQ9D168K a stable component for equipment with service lives spanning many years.
Key Technical Specifications
This table provides a high-level overview of the Sharp LQ9D168K's performance metrics. For complete electrical and mechanical details, download the full datasheet or contact our technical team for support.
| Parameter | Specification |
|---|---|
| Manufacturer | Sharp |
| Model Number | LQ9D168K |
| Screen Size | 8.4 inches |
| Resolution | 800(RGB)×600, SVGA |
| Display Technology | a-Si TFT-LCD |
| Brightness | 450 cd/m² (Typ.) |
| Contrast Ratio | 600:1 (Typ.) |
| Viewing Angle | 70/70/50/60 (L/R/U/D) |
| Backlight System | CCFL (Cold Cathode Fluorescent Lamp) |
| Interface | LVDS (1 ch, 6-bit) |
| Operating Temperature | 0°C to 55°C |
Application Focus: Where the LQ9D168K Excels
The value of the LQ9D168K is realized in its application. It is not a generic display; it is a solution engineered for specific industrial challenges. Understanding its core technology is key to leveraging its full potential. For a deeper background, explore our ultimate guide to TFT-LCDs.
- Industrial HMIs (Human-Machine Interfaces): In manufacturing and process control, clarity and durability are paramount. The SVGA resolution provides ample screen real estate for control graphics and data readouts, while its robust construction withstands the vibrations and electrical noise common on the factory floor.
- Medical Diagnostic Equipment: For legacy and new designs in patient monitors or analytical instruments, consistency is key. The LQ9D168K's controlled brightness and stable color performance ensure that diagnostic information is displayed accurately, time after time.
- Test and Measurement Instruments: In oscilloscopes, spectrum analyzers, and other benchtop equipment, engineers require a display that renders waveforms and measurements without distortion. The 600:1 contrast ratio ensures clear differentiation between traces and background grids.
Technical Deep Dive: The Engineering Behind the Performance
From an engineering perspective, the design choices within the Sharp LQ9D168K directly address the pain points of industrial applications. The use of a CCFL backlight, often considered legacy technology, is a strategic decision. For equipment designed years ago, a CCFL-based display is a drop-in replacement, eliminating the need to re-engineer the system's power supply and inverter board—a costly and time-consuming process. This ensures continuity and maintainability for reliable displays in heavy machinery and other long-service-life systems.
Furthermore, the amorphous silicon (Sharp's a-Si) TFT structure is a mature, highly reliable technology. While newer technologies like LTPS offer higher resolutions, a-Si provides an unmatched track record for durability and performance stability across its specified operating temperature range. This focus on proven technology over cutting-edge specs is what defines a true industrial-grade component.
Frequently Asked Questions (FAQ)
Q: Is the CCFL backlight a disadvantage compared to modern LED backlights?
A: Not necessarily. For new designs, LED backlights often offer lower power consumption and a thinner profile. However, for replacing displays in existing systems originally designed for CCFL, the LQ9D168K is a superior choice. It avoids the significant engineering costs associated with redesigning the backlight driver and power systems, making it the most efficient and reliable path for system maintenance and upgrades.
Q: Can the LQ9D168K be used in outdoor applications?
A: The LQ9D168K is optimized for indoor and controlled industrial environments, with a brightness of 450 nits and an operating temperature up to 55°C. For direct sunlight or extreme temperature applications, a specialized sunlight-readable display with higher brightness and a wider temperature range would be required.
Q: What is the typical lifespan of this display?
A: Industrial displays like the LQ9D168K are designed for long-term operation. The backlight half-life is typically rated for 50,000 hours, ensuring many years of service in typical 8-12 hour/day industrial use cases. This commitment to longevity is a core reason why engineers continue to trust these established industrial LCD displays.
