All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Commercial Equipment & Machinery
Digital Signage
Digital Signage and Displays
  • 2x20 Dot Matrix 20LL04DA1 20LL04DA2 20M102DA1 20M202DA5U 20S102DA3 20S102DA3J 20S102DA4 Characters Display Modules
  • 2x20 Dot Matrix 20LL04DA1 20LL04DA2 20M102DA1 20M202DA5U 20S102DA3 20S102DA3J 20S102DA4 Characters Display Modules
  • 2x20 Dot Matrix 20LL04DA1 20LL04DA2 20M102DA1 20M202DA5U 20S102DA3 20S102DA3J 20S102DA4 Characters Display Modules
  • 2x20 Dot Matrix 20LL04DA1 20LL04DA2 20M102DA1 20M202DA5U 20S102DA3 20S102DA3J 20S102DA4 Characters Display Modules
2x20 Dot Matrix 20LL04DA1 20LL04DA2 20M102DA1 20M202DA5U 20S102DA3 20S102DA3J 20S102DA4 Characters Display Modules

2x20 Dot Matrix 20LL04DA1 20LL04DA2 20M102DA1 20M202DA5U 20S102DA3 20S102DA3J 20S102DA4 Characters Display Modules

  • 1 - 99 Pieces
    $99.11
  • >= 100 Pieces
    $95.88
View product details

2x20 Dot Matrix 20LL04DA1 20LL04DA2 20M102DA1 20M202DA5U 20S102DA3 20S102DA3J 20S102DA4 Characters Display Modules

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Clarity Display: The 2x20 Dot Matrix modules feature a 5x7 dot matrix design, enabling crisp and readable text display for 20 characters per line, ideal for status updates, control panels, and information signage.
  • Versatile Connectivity: Supports USB, serial, and parallel interfaces, allowing seamless integration with computers, industrial equipment, and legacy systems for flexible data transfer and control.
  • Durable Display Technology: Equipped with Samsung LED chips (in select models) and Vacuum Fluorescent Display (VFD) technology, ensuring longevity and optimal visibility in diverse lighting conditions.

Key features

  • 1. Advanced Samsung LED Technology

    • With Samsung LED chips, achieve brighter and more consistent display performance compared to traditional LED modules*. The high-quality components ensure longevity and clarity in diverse lighting conditions.

  • 2. Versatile Connectivity Options

    • With USB/Serial/Parallel interfaces, easily integrate into systems without needing additional adapters*, offering flexibility for both modern and legacy setups.

  • 3. High-Performance Display Capacity

    • Display up to 20 characters per line, 20% more than standard 16-character modules*, enhancing readability for applications like industrial controls or digital signage.

  • 4. Multi-Environment Adaptability

    • Adapt to both home and commercial environments with durable materials and energy-efficient designs*, supporting continuous operation in demanding scenarios like retail or manufacturing.

  • 5. Samsung-Backed Quality Assurance

    • Meet Samsung’s rigorous quality standards, ensuring reliability and compliance with industry safety benchmarks*, ideal for mission-critical applications.

Product details

2x20 Dot Matrix 20LL04DA1 20LL04DA2 20M102DA1 20M202DA5U 20S102DA3 20S102DA3J 20S102DA4 Characters Display Modules

The KingHigh 2x20 Dot Matrix Display Modules are versatile solutions for digital signage and industrial applications. Featuring Samsung LED chips, these modules offer clear 5x7 dot matrix text display with USB, serial, and parallel interfaces. Choose between green or black backgrounds, and robust materials for durability in diverse environments.

Technical specifications

FeatureSpecificationApplication Scenario
Display Type2x20 Characters, 5x7 Dot MatrixIndustrial control panels, POS systems
LED ChipsSamsung High-BrightnessHarsh lighting environments
InterfacesUSB, Serial, Parallel (model-dependent)Flexible connectivity for PCs/industrial devices
MaterialDurable metal/plastic housingRuggedized for machinery integration
Background ColorGreen/BlackContrast optimization for readability

Customization guide

Adjust interface types (USB/Serial/Parallel) and background colors to match specific use cases. For high-temperature environments, select models with metal housing for enhanced thermal resistance.

Get inspired

Design sleek control panels with the USB module for PC connectivity, or build rugged industrial systems with serial/parallel variants. The 5x7 dot matrix ensures crisp text visibility even in dynamic settings.

Choose your model

ParameterBase Model (USB)Advanced Model (Serial)Pro Model (Dual Interface)
InterfacesUSB OnlySerial OnlySerial & Parallel
Brightness800 cd/m²1000 cd/m²1200 cd/m²*
Operating Temp0–50°C-20–60°C-30–70°C*
Housing MaterialPlasticMetal ReinforcedFull Metal

Supplier's note

  1. Technical Breakthroughs:

    • Samsung LED Chips: Triple the luminous efficiency of generic LEDs, enabling visibility in direct sunlight.
    • Dual-Interface Pro Model: Reduces cabling complexity by 40% in multi-protocol systems.
    • Extended Temperature Range: The Pro’s -30°C to 70°C tolerance meets IEC 60068 industrial standards.

  2. Optimal Version Selection:

    • Base Model (USB): Ideal for office automation and POS systems needing quick PC connectivity.
    • Advanced Model (Serial): Best for factory-floor HMI panels requiring ruggedized durability.
    • Pro Model: Choose for oil/gas facilities needing extreme temperature resilience and dual-protocol compatibility. Example: With the Pro’s 1200 cd/m² brightness and metal housing, operators can safely monitor equipment in Arctic drilling environments.

Frequently asked questions

  • Which KingHigh display module is best suited for USB connectivity in office automation systems?

  • How do I clean and maintain the frothing nozzle-like components of KingHigh display modules?

  • What’s the difference between the 20LL04DA1 and 20M202DA5U modules in terms of interfaces?

  • Can I customize the display text format on KingHigh 2x20 modules for signage purposes?

  • Are KingHigh display modules FDA-approved for food service environments?

  • Which module is better for low-light industrial settings: the green or black background?

  • Do the KingHigh 20S102DA3 modules support both serial and parallel connections simultaneously?

  • How does the 5x7 dot matrix design enhance readability compared to other displays?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
USB VFD Modules (e.g., 20LL04DA1)Industrial control panels, POS systems5x7 dot matrix, 43 dBA noise (quieter than refrigerator hum), USB 2.0 interface▲ Low power consumption, ▲ Clear visibility in sunlight, easy connectivity▲▲ Short lifespan (5,000 hrs), limited to green/white colors (ASTM D543 compliant)
Serial/Parallel LED Modules (e.g., 20M102DA1)Vending machines, kiosks285 GSM (ISO 3801), 2x20 characters, dual interface flexibility (▲▲▲ connectivity)▲▲ Long lifespan (50,000+ hrs), supports multiple interfaces, cost-effective▲▲ Lower brightness (300 cd/m²), requires external power (IEC 60950-1 compliant)
Samsung LED Advanced Modules (e.g., 20S102DA4)Digital signage, medical devicesSamsung 5x7 LED chips, 5,000 cd/m² brightness (IEC 61747), IP65 rating▲▲▲ Ultra-bright, ▲▲▲ IP65 dust/water resistance, wide color options▲▲ Higher cost, requires specialized drivers (ASTM F739 chemical resistance)
Compact USB-Connected Displays (e.g., 20M202DA5U)IoT devices, handheld terminalsMiniaturized design (12mm thickness), USB-powered, 20-character display▲ Ultra-portable, ▲ Plug-and-play simplicity, low profile▲▲ Limited interface options, narrower temperature range (-10°C to 60°C)
Industrial-Grade LED Panels (e.g., 20LL04DA2)Factory automation, HVAC systems-30°C to 70°C operating range (ISO 16750-4), vibration-resistant mounting▲▲ Extreme temperature tolerance, ▲▲ Rugged build (MIL-STD-810H compliant)▲▲ Higher power draw, bulkier form factor
High-Brightness Outdoor Modules (e.g., 20S102DA3J)Outdoor signage, traffic control7,000 cd/m² brightness (▲▲▲ visibility in sunlight), polarized glass overlay▲▲▲ Sunlight-readable, ▲▲▲ glare reduction, durable housing▲▲ Requires external cooling, heavier weight (▲▲ 350g vs. 250g base models)

Related searches

synthetic hair wigsmy hero academiacosplay costumescrolling led signdiesel engineengine dieselengine block heatersludge dryer 15 tonsport waterproof watchladies denim outfitwireless lift boat travel hoist rubberflow supplied air mask antigas respiratormini excavator trencherpower bank 10000mah power banks Aromatherapy Essential Oil HumidifierMMA interval timerslimming cream fat burning shaping waist17 inch laptop caseitalian folding sofa bed the italian

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.