128×64 LCD Blue Back light Display

128×64 LCD Blue Backlight Display – Detailed Specifications

Specifications

• Display Type: Monochrome Graphic LCD (Segmented Dot Matrix)

• Resolution: 128×64 pixels

• Viewing Area: Approximately 56 mm × 28 mm (varies by module)

• Pixel Size: ~0.35 mm × 0.35 mm (approx.)

• Display Color: Black pixels on blue backlight

• Backlight: LED, blue color, uniform illumination

• Backlight Voltage: 3.0–3.5 V DC typical, max ~30 mA

• Viewing Angle: ±60° horizontal and vertical typical

• Contrast Ratio: Adjustable via potentiometer or software control (varies by controller)

• Refresh Rate: 60 Hz typical

Controller & Interface

• Controller IC: Commonly ST7920 or equivalent

• Interface Types:

  • 8-bit parallel (DB0–DB7)

  • 4-bit parallel (nibble mode)

  • SPI serial interface (some variants support)

• Command Set: Compatible with standard graphic LCD commands (clear, set pixel, write data)

• Font Support: Customizable fonts via software; typical 5×7 and 8×8 fonts supported

• Display Modes: Normal and inverse display modes

Electrical Specifications

• Operating Voltage (VCC): 5 V DC typical

• Logic Voltage: 5 V compatible

• Current Consumption:

  • Logic: ~1–5 mA

  • Backlight: ~20–30 mA

• Power Consumption: ~100 mW (varies with backlight intensity)

• Temperature Range (Operating): –20 °C to +70 °C

• Temperature Range (Storage): –30 °C to +80 °C

Physical & Mechanical

• Module Size: ~70 mm × 40 mm × 12 mm (varies slightly by manufacturer)

• Mounting Type: 16–20 pin header, through-hole or solder pad

• Weight: ~30–50 g

• Bezel / Frame: Plastic frame with transparent protective cover

• Connector Type: 16/20-pin standard pin header for data and power

Features

• High Contrast Display: Clear visibility under ambient light

• Blue Backlight: Improves readability in low-light conditions

• Monochrome Display: Efficient for text, numbers, symbols, and simple graphics

• Custom Graphics: Programmable dot matrix for charts, icons, and gauges

• Durable Design: Resistant to dust, moderate humidity, and vibrations

Applications

• Embedded systems and microcontroller displays

• Industrial measurement instruments

• DIY electronics and hobby projects

• Medical devices and laboratory equipment

• Data loggers, control panels, and user interfaces