Sharp LQ038Q5DR01 | Precision 3.8-inch QVGA Display for Compact Industrial & Medical Devices
The Sharp LQ038Q5DR01 is an industrial-grade 3.8-inch transmissive TFT-LCD panel engineered for applications demanding high-fidelity color reproduction, excellent contrast, and long-term reliability in a compact form factor. It provides a robust display solution for handheld instrumentation, portable medical devices, and specialized control interfaces where space is at a premium but visual clarity cannot be compromised.
Key Product Highlights
- Compact 3.8-inch Diagonal Size: Ideal for space-constrained designs without sacrificing readability.
- QVGA Resolution (320 x 240): Delivers crisp, clear graphics and text suitable for detailed data display and graphical user interfaces.
- Normally Black Mode: Offers superior contrast ratios and deep, true blacks for enhanced image quality and reduced light leakage.
- High Color Fidelity: Achieves a 50% NTSC color gamut, ensuring vibrant and accurate color representation critical for diagnostic and monitoring equipment.
- Integrated LED Backlight: Features a long-life white LED backlight system with a built-in driver, simplifying system integration and power management.
Technical Deep Dive: Engineering for Visual Performance
The performance of the Sharp LQ038Q5DR01 is rooted in its specific design choices, which offer tangible benefits to system engineers. Two key technologies stand out: its Normally Black mode operation and its robust a-Si TFT (Amorphous Silicon) architecture.
Unlike standard "Normally White" panels where pixels are transparent in the off-state, the Normally Black configuration of the LQ038Q5DR01 ensures that pixels are opaque by default. This engineering decision results in a significantly higher static Contrast Ratio (typically 250:1). For the end-user, this translates into deeper black levels and text that appears sharper against dark backgrounds, reducing eye strain during prolonged use. This is a critical advantage in medical imaging or industrial control applications where operators must quickly and accurately interpret data.
Key Parameter Overview
This table provides a high-level summary of the LQ038Q5DR01's critical performance characteristics. For complete electrical and mechanical specifications, please review the official product documentation.
| Parameter | Specification |
|---|---|
| Manufacturer | Sharp |
| Model Name | LQ038Q5DR01 |
| Screen Size | 3.8 inch |
| Resolution | 320(RGB)×240 [QVGA] |
| Display Mode | ASV, Normally Black, Transmissive |
| Brightness | 250 cd/m² (Typ.) |
| Contrast Ratio | 250:1 (Typ.) |
| Viewing Angle | 80/80/80/80 (Typ.)(CR≥5) |
| Signal Interface | Parallel RGB (1 ch, 6-bit), 40 pins FPC |
| Operating Temperature | -10 ~ 70 °C |
| Storage Temperature | -30 ~ 80 °C |
For exhaustive technical details, engineers can Download the Datasheet.
Application Scenarios & Value Proposition
The specific combination of size, resolution, and visual quality makes the Sharp LQ038Q5DR01 an excellent choice for a range of demanding applications:
- Handheld Diagnostic Tools: In automotive scanners or environmental testers, its 50% NTSC color gamut provides the accurate color differentiation needed to interpret complex diagnostic charts and graphs.
- Portable Medical Devices: For equipment like patient monitors or infusion pumps, its wide operating temperature range and reliable LED backlight ensure consistent performance in various clinical settings.
- Compact Industrial HMIs: On machinery with limited panel space, the QVGA resolution is sufficient for displaying critical machine status, alerts, and simple control menus, making it a workhorse for many industrial LCD displays.
- Avionics & Marine Instrumentation: The high contrast and wide viewing angles are indispensable for secondary flight displays or marine GPS units, where readability from off-axis positions is a safety-critical requirement.
Frequently Asked Questions (FAQ)
What are the integration considerations for the 40-pin Parallel RGB interface?The 6-bit parallel RGB interface is a standard, non-LSI (no integrated driver) connection. This gives designers direct control over the display timing but requires a host processor with a dedicated TFT controller or an external graphics driver IC. It is crucial to match the timing characteristics (dot clock, H-sync, V-sync) specified in the datasheet to prevent display artifacts. Understanding the fundamentals of TFT-LCD interfaces is key to successful integration.
How does the -10 to 70°C operating temperature range impact its use?This wide operating range confirms the LQ038Q5DR01's suitability for industrial environments, which often experience greater temperature fluctuations than consumer applications. The lower limit of -10°C allows for use in unheated warehouses or outdoor-adjacent settings, while the 70°C upper limit ensures reliable operation inside enclosed machinery where internal temperatures can rise significantly.
For detailed application support or to discuss volume pricing for the LQ038Q5DR01, please contact our technical team to explore how this display can enhance your next product design.
