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LQ057Q3DC12 Sharp 5.7 inch 320*240 LCD Display LCD
LQ057Q3DC12 Sharp 5.7 inch 320*240 LCD Display LCD
The Sharp LQ057Q3DC12 is a 5.7-inch active matrix TFT-LCD display module with a resolution of 320 × 240 pixels (QVGA). It features a transmissive display mode with normally white operation. The active area measures approximately 115.2(W)×86.4(H) mm, with overall outline dimensions of roughly 144(W)×104.6(H)×13.5(D) mm. The panel supports 18-bit parallel RGB interface (6 bits per color), capable of displaying up to colors. Logic power supply is 3.3V or 5.0V (selectable), with typical power consumption around 1.5W to 2.5W. The module utilizes a single CCFL (Cold Cathode Fluorescent Lamp) backlight, requiring an external inverter with typical lamp current of 5.0 mA and lamp voltage of approximately 350 Vrms to 400 Vrms. Operating temperature range is -30°C to +80°C, with a storage range of -30°C to +80°C. The module typically features a 33-pin or 40-pin FPC/connector interface for signal integration.
LQ057Q3DC12 Sharp LCD Display LCD Key Highlights:
Exceptional optical performance – Delivers high contrast ratio (typically 350:1 to 500:1) and good viewing angles (up to 65/65/65/40 (Typ.)(CR≥5) for left/right/up/down), ensuring clear image quality for industrial and medical applications.
Wide operating temperature range –65/65/65/40 (Typ.)(CR≥5)llows reliable operation in harsh environments such as factory automation, outdoor kiosks, and automotive infotainment systems.
Compact 5.7-inch QVGA format – The 320×240 resolution provides a proven, cost-effective solution for legacy system upgrades, portable instruments, and control panels without requiring software changes.
Flexible power compatibility – Dual-voltage logic (3.3V/5.0V selectable) and standard 18-bit RGB interface simplify integration with both new and existing controller designs.
Rugged mechanical design – With a thickness of 13.5mm and robust construction, this module is built for long-term reliability in demanding industrial environments. Sharp's long product life cycle support reduces redesign risks for mission-critical applications.
LQ057Q3DC12 Sharp LCD Display LCD Specification:
| Feature | Specification |
| Manufacturer | Sharp |
| Model Number | LQ057Q3DC12 |
| Screen Size | 5.7 inch |
| Resolution | 320 × 240 (QVGA) |
| Display Mode | TN, Normally White, Transmissive |
| Interface Type | Parallel CMOS (1 ch, 6-bit) |
| Backlight Type | Single CCFL |
| Brightness | 500 cd/m² (Typical) |
| Contrast Ratio | 350:1 (Typical) |
| Display Colors | 262K (6-bit) |
| Active Area | 115.2(W)×86.4(H) mm |
| Outline Dimensions | 144(W)×104.6(H)×13.5(D) mm |
| Response Time | 30 ms (Typical) |
| Operating Temperature | -30°C to +80°C |
Factory automation and HMI panels
Medical bedside monitors
Professional laboratory instruments
Embedded vehicle telematics
Security surveillance control units
FAQ:
What is the brightness of this screen? Is it clear enough to read in a brightly lit factory?
The typical brightness of the LQ057Q3DC12 is 500 cd/m². While not an ultra-high brightness display, its industrial-grade contrast ratio 350:1) ensures excellent readability in standard factory lighting conditions.
My equipment is installed in a high-temperature environment. What is the operating temperature range of this display?
This model is a wide-temperature industrial display with an operating range of -25°C to +70°C and a storage range of -30°C to +80°C, making it ideal for harsh industrial environments.
If the backlight fails in the future, can the backlight tube be replaced separately?
This screen uses a single CCFL backlight. While the tube can be disassembled and replaced, we recommend it be done by professionals or by replacing the backlight module directly to ensure uniform display quality.
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