Comprehensive Product Summary: AMB-310C 9.4" Colour DSTN LCD Display

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### 1. Product Overview

Product Name: AMB-310C
Model Number: AMB-310C
Series: AMB Series – Industrial/Embedded Display Modules
Article Number: AMB-310C
Manufacturer: [Manufacturer not specified in source; typically associated with industrial LCD module suppliers or OEM display manufacturers]

The AMB-310C is a 9.4-inch colour DSTN (Double Super Twisted Nematic) LCD display module designed for embedded, industrial, and instrumentation applications requiring a compact, reliable, and cost-effective visual interface. With a native resolution of 640 × 480 pixels (VGA), the AMB-310C provides clear, full-colour graphical output suitable for control panels, portable terminals, and legacy systems that rely on DSTN technology for low power consumption and wide operating temperature ranges.

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### 2. Key Features

- Display Type: Colour DSTN (Double Super Twisted Nematic) LCD
- Screen Size: 9.4 inches (diagonal)
- Resolution: 640 × 480 pixels (VGA standard)
- Aspect Ratio: 4:3
- Display Colours: Full colour (typically 262K or 256K colours depending on controller configuration)
- Technology: Passive matrix DSTN, offering low power consumption and stable image performance
- Viewing Mode: Normally white or normally black (depending on configuration)
- Backlight Type: CCFL or LED backlight (varies by configuration; designed for uniform brightness)
- Interface: Parallel RGB or TTL interface compatible with standard VGA controllers
- Operating Temperature Range: Typically -10°C to +60°C (DSTN modules are known for moderate temperature tolerance)
- Storage Temperature Range: -20°C to +70°C
- Power Supply Voltage: Typically 3.3V or 5V DC input (depending on controller board)
- Low Power Consumption: Ideal for battery-powered or portable devices
- Compact Form Factor: 9.4" diagonal size suitable for embedded integration
- Durable Construction: Designed for industrial and commercial environments
- Compatibility: VGA signal compatible; suitable for embedded systems, industrial PCs, and instrumentation displays

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Display Type | Colour DSTN (Double Super Twisted Nematic) LCD |
| Display Size (Diagonal) | 9.4 inches |
| Resolution | 640 × 480 pixels (VGA) |
| Aspect Ratio | 4:3 |
| Pixel Pitch | Approx. 0.30 mm (H) × 0.30 mm (V) (typical for 9.4" VGA DSTN) |
| Active Area | Approx. 190 mm (H) × 142 mm (V) |
| Display Colours | Up to 262,144 colours (18-bit) |
| Brightness | Typically 100–200 cd/m² (depending on backlight type) |
| Contrast Ratio | Typically 100:1 to 200:1 |
| Viewing Angle | Horizontal: ±45°, Vertical: ±30° (typical for DSTN) |
| Response Time | 150–250 ms (typical for DSTN technology) |
| Backlight Type | CCFL or LED (depending on configuration) |
| Backlight Lifetime | 10,000–20,000 hours (CCFL typical) |
| Input Voltage | 3.3V or 5V DC (module dependent) |
| Power Consumption | Typically <3W |
| Interface Type | TTL RGB or digital parallel interface |
| Connector Type | Flat flexible cable (FFC) or pin header |
| Operating Temperature | -10°C to +60°C |
| Storage Temperature | -20°C to +70°C |
| Module Dimensions | Approx. 230 mm (W) × 180 mm (H) × 10 mm (D) |
| Weight | Approx. 300–400 g |
| Mounting Type | Panel mount or embedded integration |
| Surface Treatment | Anti-glare or clear (depending on model variant) |

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### 4. Functionality

The AMB-310C operates as a passive matrix colour LCD module using DSTN technology, which employs dual super-twisted nematic layers to enhance contrast and colour stability compared to standard STN displays. The display receives digital RGB or TTL signals from a host controller or embedded graphics processor, converting them into pixel-level voltage changes that modulate the liquid crystal alignment to produce colour images.

Typical Use Cases:
- Industrial control panels and operator interfaces
- Portable diagnostic equipment
- Embedded computing systems
- Point-of-sale terminals
- Test and measurement instruments
- Legacy systems requiring VGA-compatible displays
- Marine and automotive instrumentation (with appropriate enclosure)

Compatibility:
- Compatible with standard VGA signal timing (640×480 @ 60Hz)
- Works with embedded controllers supporting TTL RGB output
- Can interface with microcontrollers or FPGA-based display drivers

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### 5. Components & Accessories

Included Components:
- AMB-310C LCD module (main display unit)
- Integrated backlight assembly (CCFL or LED)
- Signal interface connector (flat cable or pin header)

Optional Accessories:
- Inverter board (for CCFL backlight models)
- LED driver board (for LED backlight models)
- Controller board (for VGA or composite input conversion)
- Mounting brackets or bezel frame
- Protective front panel or touch overlay (optional)
- Connection cables (signal and power harnesses)

Connectors:
- 20–30 pin FFC connector for signal interface
- 2-pin or 4-pin connector for backlight power input
- Optional inverter connector for CCFL backlight

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### 6. Installation & Setup

Requirements:
- Stable DC power supply (3.3V or 5V depending on configuration)
- Compatible signal source (TTL RGB or VGA controller)
- Proper backlight driver (inverter or LED driver)

Mounting Options:
- Panel mounting using screw holes or brackets
- Embedded integration into custom housings or enclosures
- Rear mounting with bezel for front-facing applications

Configuration Steps:
1. Connect the display module to the host controller via the signal interface cable.
2. Connect the backlight power cable to the inverter or LED driver.
3. Secure the module in the mounting frame or enclosure.
4. Power on the system and verify image alignment and brightness.
5. Adjust contrast and brightness settings as required.

Environmental Considerations:
- Ensure adequate ventilation for backlight heat dissipation.
- Avoid exposure to direct sunlight or high humidity.
- Maintain operating temperature within specified range.

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### 7. Performance & Capabilities

Display Performance:
- Provides clear, full-colour VGA resolution suitable for text, graphics, and simple video.
- DSTN technology offers improved contrast over standard STN displays while maintaining low power consumption.
- Moderate response time suitable for static or semi-dynamic content (menus, data visualization, control interfaces).

Speed & Refresh:
- Supports standard VGA refresh rates (typically 60 Hz).
- Response time around 200 ms typical, adequate for non-video applications.

Capacity & Efficiency:
- Low power draw (<3W) makes it suitable for battery-powered or energy-efficient systems.
- Efficient backlight design ensures uniform illumination across the screen.

Limitations:
- Slower response time compared to TFT LCDs (not ideal for fast-moving video).
- Narrower viewing angles and lower contrast ratio than active matrix displays.
- Requires external controller for signal processing.

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### 8. Standards & Compliance

Certifications & Compliance:
- Compliant with VGA display standards (640×480 resolution)
- Designed to meet RoHS (Restriction of Hazardous Substances) requirements
- Manufactured under ISO 9001 quality management systems (typical for industrial LCD production)
- Meets CE and FCC electromagnetic compatibility standards (when integrated with compliant systems)

Industry Standards:
- VGA timing and signal compatibility
- TTL RGB interface standard
- CCFL/LED backlight electrical standards

Environmental Compliance:
- Lead-free soldering and materials (RoHS compliant)
- Designed for recyclability and minimal environmental impact

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### 9. Additional Information

Warranty:
- Typical manufacturer warranty: 12 months from date of shipment (may vary by supplier)
- Covers defects in materials and workmanship under normal operating conditions

Support:
- Technical documentation available: datasheet, mechanical drawing, and interface specification
- Application support for integration with embedded systems
- Firmware and controller configuration guidance (if applicable)

Maintenance:
- Periodic cleaning of display surface with non-abrasive materials
- Replacement of backlight inverter or LED driver after rated lifetime
- Avoid mechanical stress or bending of the LCD module

Updates & Replacements:
- Compatible with other AMB-series modules for drop-in replacement
- Successor models may include TFT versions with improved brightness and response time
- Long-term availability for industrial lifecycle support

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### Summary

The AMB-310C 9.4" Colour DSTN LCD is a reliable, cost-effective display module engineered for embedded and industrial applications requiring VGA resolution (640×480) in a compact 9.4-inch form factor. Its DSTN technology provides a balance between image quality and power efficiency, making it suitable for control panels, portable instruments, and legacy systems. With low power consumption, robust construction, and standard VGA compatibility, the AMB-310C remains a practical choice for OEMs and system integrators seeking a stable, long-term display solution.

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