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128x64 STN Blue Negative Monochrome LCD Display Graphic LCD Display Module ST7920 Controller Replacement

Categories Monochrome LCD Display
Response Time: 6ms
View Direction: free/all
Operating_Temperature: -20°C to 70°C
Drive System: a-Si TFT active matrix
Lumens Degrees: 1000cd/m²
Display Color: Monochrome Black and White
Interface: RGB, SPI, MIPI, LVDS, or Parallel
Display Mode: Normally White, Transmissive
Brand Name: XXT
Model Number: YMG12864SB-X15
Viewing Area: 116.2mm×87.1mm
Lcm Dimension: 34.60(H) X 47.80(V) X 1.90(T)
MOQ: 30pcs
Controller Ic: SSD1316
Price: $4.8~6
Payment Terms: T/T
Supply Ability: 10000 pieces
Signal Interface: LVDS
Outline: 118.5×84.7×5.2 mm
Place of Origin: GuangDong, China
Delivery Time: 14-60 days
Storage Temperature: -30℃~80℃
Color Gamut: 72 % of NTSC(Typ.)
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128x64 STN Blue Negative Monochrome LCD Display Graphic LCD Display Module ST7920 Controller Replacement

XXT 128x64 Dot Matrix LCD Module | STN Blue Negative Monochrome Graphic Display with ST7920/ST7921 Controller
Product Overview

The XXT YMG12864SB-X15 is a high-performance 128×64 graphic dot matrix LCD module designed for industrial and embedded display applications. Featuring STN blue negative transmissive display technology and reliable COB (Chip-On-Board) construction, the module delivers excellent contrast, low power consumption, and stable long-term operation.

Powered by the ST7920 and ST7921 controller ICs, this graphic LCD module supports a standard 20-pin parallel interface, making it easy to integrate into a wide range of industrial control systems, measuring instruments, embedded devices, and electronic equipment.

Its wide operating temperature range and robust mechanical design make it suitable for demanding environments where reliability and readability are essential.

Key Features
High-Contrast STN Display
  • 128 × 64 dot matrix graphic display
  • STN Blue Negative transmissive technology
  • Clear monochrome graphics and text presentation
  • Optimized 6 o’clock viewing direction
Reliable Controller Solution
  • Integrated ST7920 + ST7921 controller ICs
  • Stable display performance
  • Supports graphic and character display modes
  • Suitable for embedded system development
Standard Parallel Interface
  • 20-pin parallel interface
  • Easy integration with MCU and industrial controllers
  • Compatible with various embedded platforms
LED Backlight
  • High-uniformity white LED backlight
  • Enhanced visibility under low-light conditions
  • Low power consumption design
Industrial Temperature Performance
  • Operating Temperature: -20°C to +70°C
  • Storage Temperature: -30°C to +80°C
  • Suitable for industrial and outdoor equipment applications
Robust COB Structure
  • Chip-On-Board construction
  • Improved vibration resistance
  • Enhanced mechanical reliability
  • Long service life
Technical Specifications
ItemSpecification
Model NumberYMG12864SB-X15
Display TypeSTN Blue Negative, Transmissive
Display Format128 × 64 Dots
Controller ICST7920 + ST7921
Interface20-Pin Parallel
Logic Supply Voltage (VDD)5.0V DC (Typical)
LCD Driving Voltage (VLCD)4.7V DC (Typical)
Driving Method1/64 Duty, 1/9 Bias
Viewing Direction6 O’Clock
Backlight TypeWhite LED
Backlight Voltage2.8V – 3.2V
Backlight Current60mA
Module Size93.0 × 70.0 × 12.5 mm
Bezel Size78.5 × 51.5 mm
Viewing Area72.0 × 39.9 mm
Active Area66.52 × 33.24 mm
Mounting Hole DiameterΦ3.2 mm
Pin Pitch2.54 mm
Operating Temperature-20°C to +70°C
Storage Temperature-30°C to +80°C
Environmental ComplianceRoHS
Product Advantages

The blue negative display combined with white LED backlight provides clear visibility and enhanced contrast for graphic information, text, and symbols.

Standard operating voltage and parallel communication interface simplify integration into industrial controllers, embedded boards, and custom electronic designs.

Designed for continuous operation in demanding environments, the module delivers reliable performance with excellent resistance to vibration and environmental stress.

Wide operating temperature range and durable COB construction make the module suitable for professional equipment and industrial automation systems.

Typical Applications
Industrial Automation
  • PLC control systems
  • HMI control panels
  • Process monitoring equipment
  • Industrial controllers
Measurement & Instrumentation
  • Digital measuring instruments
  • Electronic testing devices
  • Laboratory equipment
  • Data acquisition systems
Smart Devices
  • Smart home control panels
  • IoT gateways
  • Embedded control terminals
  • Sensor monitoring systems
Medical Equipment
  • Portable diagnostic instruments
  • Monitoring devices
  • Medical control interfaces
Automotive Electronics
  • Vehicle information displays
  • Auxiliary control modules
  • Industrial transportation equipment
Embedded Development
  • Embedded display projects
  • Development kits
  • Educational electronics
  • Custom OEM solutions
Quality Assurance

Every module undergoes comprehensive quality verification before shipment, including:

  • Display performance inspection
  • Functional verification
  • Temperature reliability testing
  • Mechanical inspection
  • Backlight consistency testing

This ensures stable performance and consistent product quality for professional applications.

Customization Services

XXT provides flexible customization support for OEM and ODM projects, including:

  • Custom FPC design
  • Interface modification
  • Backlight customization
  • Mechanical dimension adjustment
  • Display parameter optimization
  • Private label solutions
Ordering Information
Sample Availability

Engineering samples are available for evaluation and project verification.

Lead Time

Standard models typically ship within 7 working days after order confirmation.

Minimum Order Quantity

Flexible ordering options available, including single-unit sample purchases and volume production orders.

Shipping Options
  • DHL
  • FedEx
  • UPS
  • EMS
  • International Air Freight
Why Choose XXT
  • Professional LCD display manufacturer
  • Extensive experience in industrial display solutions
  • Stable supply chain support
  • Comprehensive technical assistance
  • Strict quality management system
  • Global OEM/ODM service capability

The XXT YMG12864SB-X15 graphic LCD module offers a dependable display solution for industrial, medical, instrumentation, automotive, and embedded applications requiring reliable monochrome

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