100mm 7 Segment Display: Technical Specifications, Production Process, and Applications

Types of 100mm 7-Segment Displays

A 100mm 7-segment display is a large-format digital display used to show numeric information clearly and legibly from a distance. With each segment measuring approximately 100 millimeters in height, these displays are ideal for applications requiring high visibility, such as public signage, industrial monitoring, scoreboards, and commercial displays. The choice of display technology significantly affects performance in terms of brightness, power consumption, viewing conditions, and control complexity.

Below is a comprehensive overview of the most common types of 100mm 7-segment displays, including their working principles, advantages, limitations, and ideal use cases.

LED 100mm 7-Segment Display

Light Emitting Diode (LED) displays are the most widely used type due to their high brightness and self-illuminating nature. Each segment contains multiple LEDs that emit light when energized, producing sharp, vivid digits.

Advantages

• Extremely bright and visible even in direct sunlight
• Self-illuminating – no external light source required
• Low power consumption relative to brightness output
• Long operational lifespan (typically 50,000+ hours)
• Easy to interface with microcontrollers and driver circuits

Limitations

• Can be overly bright in dark environments
• Limited color options (commonly red, but also available in blue, green, and white)
• Susceptible to glare in certain indoor settings

Best for: Outdoor signage, sports scoreboards, price displays, traffic indicators, and industrial panels

LCD 100mm 7-Segment Display

Liquid Crystal Display (LCD) technology uses liquid crystals that modulate light to form digits. Unlike LEDs, LCDs are not self-emissive and require a backlight or ambient light to be visible.

Advantages

• Very low power consumption – ideal for battery-powered systems
• Thin and lightweight design
• Minimal heat generation
• Effective in indoor or shaded environments
• Available in various segment styles and contrast levels

Limitations

• Poor visibility in direct sunlight or bright outdoor conditions
• Requires a backlight for use in low-light conditions
• Slower response time compared to LED or VFD
• Limited viewing angles and contrast in extreme temperatures

Best for: Digital meters, handheld devices, indoor instrumentation, and energy-efficient applications

VFD 100mm 7-Segment Display

Vacuum Fluorescent Display (VFD) technology uses a heated cathode filament to excite phosphor-coated segments in a vacuum environment, producing a bright, glowing effect with excellent contrast.

Advantages

• High brightness and excellent contrast
• Wide viewing angles and visibility in various lighting
• Natural blue-green glow with a retro aesthetic
• Operates reliably across a broad temperature range (-20°C to +70°C)
• Better response time than LCD

Limitations

• Higher power consumption than LED or LCD
• Contains fragile glass components and filaments
• Shorter lifespan due to filament degradation
• More complex drive circuitry required

Best for: Audio equipment, vintage-style clocks, industrial control panels, and applications needing wide temperature tolerance

Smart 100mm 7-Segment Display

Smart displays integrate a microcontroller or driver IC directly into the display module, enabling advanced control, data processing, and communication capabilities without external logic.

Advantages

• Integrated control reduces external circuit complexity
• Supports I2C, SPI, or UART communication protocols
• Enables dynamic brightness adjustment and animation effects
• Simplifies integration with microprocessors and IoT systems
• Supports real-time data updates and remote control

Limitations

• Higher initial cost than basic displays
• Potential firmware compatibility issues
• May require software configuration for full functionality
• Limited availability in large sizes like 100mm

Best for: Industrial automation, smart dashboards, IoT devices, and modern instrumentation systems

Type	Brightness	Power Use	Visibility	Lifespan	Best Application
LED	Very High	Low-Medium	Excellent (Indoor & Outdoor)	50,000+ hours	Outdoor signage, scoreboards, retail displays
LCD	Low (requires backlight)	Very Low	Fair (Indoor only)	30,000–50,000 hours	Battery-powered devices, meters, indoor panels
VFD	High	Medium-High	Very Good (wide angles)	10,000–20,000 hours	A/V equipment, industrial controls, retro designs
Smart Display	Varies (LED/LCD/VFD based)	Depends on base tech	Good to Excellent	Varies by technology	IoT, automation, smart instrumentation

Expert Tip: When selecting a 100mm 7-segment display, consider the ambient lighting conditions first. For outdoor or high-glare environments, LED is almost always the best choice. For energy-sensitive indoor applications, LCD or smart LCD modules offer excellent efficiency. Always verify the drive voltage and interface requirements to ensure compatibility with your control system.

Specifications and Features of 100mm 7-Segment Display

The 100mm 7-segment display is a high-visibility digital indicator widely used in environments where readability from a distance is essential. With its large digit height of 100 millimeters (approximately 4 inches), this display ensures clear visibility even in challenging lighting conditions or from up to 30 meters away. Designed for both indoor and outdoor applications, it combines robust construction with efficient performance, making it ideal for industrial, commercial, and public-facing systems.

Key Technical Specifications

Digit Size & Visibility

The standout feature of this display is its 100mm (3.94 inch) character height, which enables excellent legibility from long distances—up to 30 meters under optimal conditions. This makes it perfect for applications where quick, at-a-glance reading is critical, such as scoreboards, traffic indicators, or factory status boards.

The large size also improves readability in low-light or high-glare environments, especially when paired with high-brightness LEDs.

Segment Technology

Most 100mm 7-segment displays use high-intensity LED (Light Emitting Diode) technology, known for its brightness, energy efficiency, and long operational life. These LEDs emit sharp, vivid light with excellent contrast against dark backgrounds.

Alternatively, some models utilize VFD (Vacuum Fluorescent Display) technology, which offers a soft, uniform glow and wide viewing angles. VFDs are less common but preferred in certain aesthetic or legacy applications due to their unique visual characteristics.

Viewing Angle

These displays are engineered with a wide viewing angle—typically between 120° and 160°—ensuring that digits remain clearly visible from multiple directions. This is particularly important in installations where observers may not be directly in front of the display, such as in traffic signals, parking garages, or overhead industrial monitors.

The wide angle enhances usability in public spaces and dynamic environments where user positioning varies.

Brightness & Adjustability

LED-based 100mm segments offer brightness levels up to 3000 mcd (millicandelas), making them highly effective in bright ambient light, including direct sunlight. Many models include adjustable brightness controls, allowing automatic or manual dimming based on time of day or environmental conditions.

This adaptability prevents glare at night while maintaining visibility during the day, contributing to energy savings and extended LED lifespan.

Power Consumption

Despite their large size, these displays are energy-efficient. A typical LED segment draws around 20mA per segment at 2V, resulting in low overall power consumption. For a full 7-segment digit, total current draw ranges from 100mA to 150mA depending on how many segments are lit.

This efficiency supports continuous operation in 24/7 applications such as industrial timers, public information displays, or building automation systems without placing excessive load on power supplies.

Operating Voltage

The individual LED segments generally operate at a forward voltage of 2V DC, with a threshold of around 1V required to initiate illumination. Below 1V, the segment remains off, ensuring clean on/off control.

When integrating into circuits, proper current-limiting resistors or constant-current drivers are recommended to prevent overheating and ensure uniform brightness across all segments.

Specification	Typical Value	Application Benefit
Digit Height	100 mm (~3.94 in)	High visibility up to 30 meters
Technology	LED / VFD	Bright output or soft glow based on need
Brightness	Up to 3000 mcd	Suitable for outdoor/sunlit environments
Viewing Angle	120°–160°	Visible from multiple angles
Current per Segment	~20 mA	Energy-efficient for prolonged use
Forward Voltage	2.0 V DC	Compatible with standard logic circuits

Key Features and Practical Applications

Durability & Environmental Protection: Built for harsh environments, these displays often feature rugged housings made from UV-resistant ABS plastic or aluminum, with front panels constructed from shatterproof acrylic glass. This protects against impacts, moisture, dust, and extreme temperatures, making them suitable for outdoor and industrial use.

Versatile Color Options: Available in multiple LED colors including red, green, orange, and blue, each offering distinct advantages. Red is most common due to its high visibility and long LED life; green offers good contrast in daylight; orange provides warmth and clarity; blue delivers a modern aesthetic. All are typically paired with a black background to maximize contrast.

Easy Integration & Control: These displays are compatible with common microcontrollers like Arduino, Raspberry Pi, and PLCs via GPIO pins or driver ICs (e.g., 74HC595, MAX7219). Multiplexing techniques allow control of multiple digits with minimal I/O pins, simplifying integration into custom electronic projects.

Wide Range of Applications: Due to their size and clarity, 100mm 7-segment displays are used in diverse settings such as traffic signals, digital clocks, scoreboards, industrial counters, parking guidance systems, and production line timers. In all cases, the emphasis is on immediate readability and reliable performance under continuous operation.

Important: When installing 100mm 7-segment displays, ensure proper heat dissipation and voltage regulation, especially in outdoor or high-temperature environments. Use weatherproof enclosures and surge protection for long-term reliability. Always follow manufacturer guidelines for wiring, polarity, and current limits to avoid damaging the LEDs or control circuitry.

Commercial Uses of a 100mm 7-Segment Display

With their large, high-contrast numerical readouts, 100mm 7-segment LED displays are essential tools across a wide range of commercial applications. Their exceptional visibility, durability, and clarity make them ideal for environments where instant, at-a-glance information is critical. From retail storefronts to industrial facilities, these displays deliver reliable performance under demanding conditions.

Measuring 100mm (nearly 4 inches) in digit height, these displays ensure legibility from distances exceeding 30 feet, making them perfect for public-facing and industrial settings. Powered by energy-efficient LEDs, they offer long service life with minimal maintenance, reducing total cost of ownership. Below are the key commercial applications where 100mm 7-segment displays excel.

Outdoor Digital Signage

Retailers and service providers use 100mm 7-segment displays in storefronts, drive-thrus, and promotional kiosks to communicate pricing, specials, and operational information. The large digits are instantly recognizable, even in bright sunlight or from moving vehicles.

• Used in grocery stores, pharmacies, and convenience shops for dynamic pricing updates
• Integrated into drive-thru menu boards to display order totals and wait times
• Enable rapid price changes without manual labor, reducing operational costs
• Energy-efficient LED technology lowers electricity consumption compared to traditional lighting

Key benefit: Enhances customer engagement and reduces pricing errors through real-time updates

Gas Station Fuel Price Displays

Gas stations rely heavily on 100mm 7-segment LED displays for fuel pricing due to their durability and visibility. These displays are engineered to withstand extreme temperatures, moisture, UV exposure, and vibration.

• Mounted on tall poles for maximum visibility to passing motorists
• Equipped with automatic brightness sensors to adjust output based on ambient light
• Resistant to corrosion from road salts and weather elements
• Remote control capabilities allow centralized price updates across multiple locations

Pro tip: Look for IP65-rated or higher enclosures for optimal outdoor protection

Scoreboards and Timers in Stadiums

In sports arenas and recreational facilities, 100mm 7-segment displays form the core of scoreboards and game clocks. Their high luminance ensures fans in upper decks or distant bleachers can easily read scores, periods, and remaining time.

• Used in high school gyms, college stadiums, and professional venues
• Often combined with smaller displays for team names, fouls, and statistics
• Support synchronization with timing systems and scoring consoles
• Available in red, amber, green, or blue LEDs to match branding or visibility needs

Critical advantage: Provides consistent brightness and clarity even under stadium floodlights or direct sunlight

Industrial Equipment Monitoring

Manufacturing plants and processing facilities use these displays to monitor critical operational parameters such as temperature, pressure, RPM, flow rates, and cycle counts. Mounted on control panels or overhead gantries, they allow operators to assess machine status from a distance.

• Display real-time sensor data for boilers, compressors, conveyors, and CNC machines
• Enhance workplace safety by providing immediate feedback on system status
• Integrate with PLCs (Programmable Logic Controllers) and SCADA systems
• High-contrast digits reduce eye strain in noisy, high-activity environments

Technical note: Some models include alarm indicators or color-changing digits for out-of-range values

Public Transportation Systems

Transit authorities use 100mm 7-segment displays in buses, trains, and stations to show route numbers, destination names, and arrival/departure times. Their clarity ensures passengers can quickly identify the correct vehicle or platform.

• Mounted on bus front, side, and rear panels for route identification
• Used in train car displays to show line numbers and next stops
• Integrated into station departure boards for real-time scheduling
• Designed for continuous operation in vibration-prone and temperature-variable environments

User impact: Improves passenger experience and reduces boarding errors through unambiguous information

Additional Commercial Applications

Beyond the primary uses, 100mm 7-segment displays serve in various niche but vital roles across industries.

• Parking Garages: Display floor levels, available spaces, and exit countdowns
• Drive-Thru Windows: Show order numbers and wait times in fast-food and banking
• Building Management: Monitor elevator floors, energy usage, or water tank levels
• Event Venues: Count down to showtimes, display ticket prices, or room numbers
• Healthcare: Track patient wait numbers in clinics and pharmacies

Emerging trend: Integration with IoT platforms enables remote monitoring and data logging

Professional Recommendation: When selecting 100mm 7-segment displays for commercial use, prioritize models with weatherproof enclosures (IP65 or higher), wide operating temperature ranges (-20°C to +70°C), and EMI/RFI shielding for industrial settings. For outdoor applications, ensure the display includes automatic brightness control and UV-resistant housings. Choosing reputable brands with proven reliability reduces downtime and maintenance costs over the display's lifespan.

Application	Key Requirements	Display Features	Lifespan (Typical)
Gas Station Pricing	Outdoor durability, high brightness	IP65+ rating, auto-dimming, red LEDs	50,000–100,000 hours
Stadium Scoreboard	Long-distance visibility, weather resistance	Vandal-proof housing, high-intensity LEDs	60,000–80,000 hours
Industrial Monitoring	Vibration resistance, EMI protection	Metal enclosure, PLC integration	70,000–100,000 hours
Public Transit	Continuous operation, readability in motion	Anti-glare coating, serial communication	50,000–75,000 hours

Selection and Integration Tips

• Mounting Options: Choose between surface-mount, flush-mount, or pole-mount designs based on installation environment
• Power Efficiency: Modern LED displays consume 2–5W per digit, making them suitable for solar-powered setups
• Control Interfaces: Look for models with RS-232, RS-485, or wireless (Wi-Fi/Bluetooth) for easy integration
• Color Options: Red is most common, but amber and green offer better visibility in certain lighting conditions
• Customization: Some suppliers offer custom bezels, logos, or multi-digit configurations for brand consistency

How to Choose a 100mm 7-Segment Display: A Comprehensive Buyer’s Guide

Selecting the right 100mm 7-segment display is crucial for ensuring clarity, durability, and compatibility in your application. Whether used in industrial equipment, public signage, scoreboards, or control panels, a large-format display must balance visibility, power efficiency, and ease of integration. This guide explores the key decision-making factors to help you choose the optimal 100mm 7-segment display for your project, with practical insights and real-world considerations.

Important Note: A 100mm display (approximately 4 inches) is designed for long-distance readability. Ensure your selection aligns with viewing distance, ambient lighting, and environmental conditions to maximize effectiveness and user experience.

Key Factors to Consider When Choosing a 100mm 7-Segment Display

1. Application Requirements and Display Technology

   The intended use of the display dictates the most suitable technology. Common types include LED, LCD, and VFD (Vacuum Fluorescent Display), each with distinct advantages:

   • LED (Light Emitting Diode): Best for high-visibility applications such as digital scoreboards, traffic signals, and outdoor signage. LEDs offer excellent brightness, long lifespan, and wide viewing angles. Ideal where visibility in direct sunlight is essential.
   • LCD (Liquid Crystal Display): Suitable for indoor, low-light environments or battery-powered devices. Consumes significantly less power than LED but requires a backlight for visibility and may have limited viewing angles.
   • VFD (Vacuum Fluorescent Display): Offers a bright, self-illuminating display with good contrast and wide temperature tolerance. Commonly used in industrial and automotive applications where durability and readability in variable lighting are needed.

   Tip: For portable or energy-sensitive applications (e.g., handheld meters), prioritize LCD or VFD. For permanent installations requiring maximum visibility, LED is typically the best choice.

2. Brightness and Visibility in Ambient Light

   Visibility is paramount, especially in environments with high ambient light such as outdoor areas, factories, or sunlit rooms. A 100mm display must be legible from a distance, often 5–20 meters depending on the setting.

   • Look for displays with a brightness rating of at least 1,000 cd/m² (nits) for indoor use and 3,000–5,000+ cd/m² for outdoor or bright industrial settings.
   • Consider models with adjustable brightness or auto-dimming sensors to optimize visibility and reduce glare at night.
   • Check the viewing angle—ideally 120° or wider—to ensure readability from multiple positions.

   LED displays typically outperform others in brightness and sunlight readability, making them the top choice for high-visibility applications.

3. Segment Color and Contrast

   The color of the segments significantly affects readability and aesthetic integration. Common colors include:

   • Red: Most common in LED displays; highly visible and energy-efficient. Excellent contrast against dark backgrounds.
   • Green: Offers superior brightness and eye comfort for prolonged viewing. Often used in industrial control panels.
   • Yellow/Amber: Provides a warm, attention-grabbing glow. Good visibility in both day and night conditions.
   • Blue/White: Modern and clean appearance but may require higher power and can be harsh in low-light environments.

   Ensure the display has a dark or opaque background (typically black) to maximize contrast. Avoid light-colored backgrounds, which reduce legibility.

4. Control Interface and Integration Complexity

   The method of controlling the display impacts development time, wiring complexity, and microcontroller requirements.

   • Common Interfaces: Look for displays with SPI, I²C, or parallel (TTL/CMOS) inputs depending on your microcontroller (e.g., Arduino, Raspberry Pi, PLC).
   • Driver Compatibility: Many 100mm LED displays require external driver ICs (e.g., MAX7219, TM1637) or multiplexing circuits. Ensure your control system supports the required protocol.
   • Onboard Logic: Some advanced modules include built-in decoders and drivers, simplifying integration and reducing external component count.

   For beginners or rapid prototyping, choose a display with an I²C interface and integrated driver to minimize wiring and coding complexity.

5. Environmental Durability and Operating Conditions

   Where the display will be installed determines its required ruggedness.

   • Outdoor Use: Select an IP65-rated or higher display with weatherproof housing, UV-resistant materials, and sealed electronics to withstand rain, dust, and temperature extremes.
   • Industrial Settings: Look for displays with wide operating temperature ranges (e.g., -20°C to +70°C) and resistance to vibration and electromagnetic interference.
   • Indoor Use: Standard enclosures are sufficient, but consider anti-reflective coatings or diffusers for improved readability under artificial lighting.

   LED displays are generally more robust and better suited for harsh environments than LCD or VFD types.

Display Type	Best For	Brightness (Typical)	Power Consumption	Environmental Suitability
LED	Outdoor signage, scoreboards, industrial panels	1,000 – 8,000 cd/m²	Moderate to High	Excellent (IP65+, wide temp range)
LCD	Indoor instruments, battery-powered devices	200 – 500 cd/m² (with backlight)	Low	Fair (limited temp, not weatherproof)
VFD	Automotive, industrial controls, appliances	300 – 1,000 cd/m²	Moderate	Good (durable, wide temp range)

Expert Tip: When mounting a 100mm display, ensure adequate spacing around the unit for heat dissipation (especially for high-brightness LEDs) and easy access to wiring. Use anti-vibration mounts in high-movement environments to prevent solder joint fatigue and connection failures.

Additional Selection Tips

• Verify the pinout and voltage requirements (commonly 5V or 3.3V) match your control system to avoid compatibility issues.
• Check if the display includes a decimal point or colon segment if needed for time or decimal value display.
• Consider module vs. bare display: Pre-assembled modules with drivers simplify integration, while bare displays offer more design flexibility.
• Look for CE, RoHS, or UL certifications to ensure compliance with safety and environmental standards.
• Order a sample unit first to test brightness, color, and integration before mass deployment.

Choosing the right 100mm 7-segment display involves balancing technical specifications with real-world application demands. By evaluating usage context, visibility needs, control interface, and environmental factors, you can select a display that delivers reliable performance and clear readability for years to come. When in doubt, consult the manufacturer’s datasheet or technical support for detailed guidance tailored to your project.

Frequently Asked Questions About 100mm 7-Segment Displays

Q1: How do you wire up a 100mm 7-segment display to show numbers?

Wiring a 100mm 7-segment display involves several key steps to ensure proper functionality and longevity. These large-format displays are typically based on LED technology and come in two main configurations: common cathode and common anode. Here’s a detailed guide:

• Identify the Configuration: Determine whether your display is common cathode (all LED cathodes connected together) or common anode (all anodes connected). This affects how you connect power and control signals.
• Power Supply: Most 7-segment LEDs operate at 2–3V per segment, but due to their size, they may require higher current. Use a regulated DC power supply (often 5V or 12V depending on design) and include current-limiting resistors (typically 100Ω–330Ω) for each segment to prevent burnout.
• Microcontroller Interface: Connect each segment (labeled A through G, plus decimal point) to digital output pins on a microcontroller such as Arduino, ESP32, or Raspberry Pi. For multiplexed displays with multiple digits, use shift registers or dedicated driver ICs (like the 74HC595 or MAX7219) to reduce pin count.
• Programming: Write code to activate specific segments corresponding to digits 0–9. For example, to display "8", all segments (A–G) are illuminated. Libraries like SevSeg for Arduino simplify this process by handling the logic automatically.
• Mounting & Heat Dissipation: Due to their size and brightness, 100mm displays can generate heat. Ensure adequate ventilation or use heat sinks if operated continuously at high brightness.

Always consult the datasheet for your specific model to verify pinouts and electrical ratings before connecting power.

Q2: Are 100mm 7-segment displays available in multi-color options?

Yes, 100mm 7-segment displays are widely available in various colors to suit different aesthetic and functional needs. The choice of color impacts visibility, ambiance, and suitability for particular environments:

• Red: Most common and energy-efficient; ideal for indoor dashboards, clocks, and industrial panels due to excellent contrast and long LED lifespan.
• Green: Offers high visibility and is often used in safety-critical or low-light environments like control rooms and medical devices.
• Orange/Amber: Provides a warm, attention-grabbing glow; frequently used in retail signage and traffic indicators.
• Blue: Aesthetic and modern appearance, though slightly less bright than red or green. Popular in decorative or consumer electronics applications.
• RGB Options: Some advanced models feature RGB LEDs, allowing dynamic color changes via PWM control—perfect for interactive displays or branding purposes.

Color selection should consider ambient lighting, viewing distance, and whether the display will be used indoors or outdoors under sunlight.

Q3: What are the main advantages of using a 100mm 7-segment display over traditional LCD displays?

Large 7-segment LED displays offer several compelling advantages compared to standard LCDs, especially in public-facing or industrial applications:

Feature	100mm 7-Segment LED Display	Traditional LCD Display
Brightness & Visibility	Extremely bright; visible even in direct sunlight and from distances up to 30+ feet.	Lower brightness; often requires backlighting and can be hard to read in bright conditions.
Viewing Angle	Near 180° visibility with consistent color and clarity.	Limited viewing angles; image degrades when viewed off-center.
Durability	Robust construction; resistant to temperature extremes, moisture, and physical shock.	More fragile; susceptible to damage from pressure, heat, and humidity.
Power Efficiency	Higher power draw per segment but only active segments consume energy.	Generally lower power usage, but backlight consumes constant power.
Lifespan	50,000+ hours typical LED lifespan.	Backlight degrades over time (20,000–30,000 hours).

These benefits make 100mm 7-segment displays ideal for applications requiring high visibility, such as scoreboards, timers, price displays, and industrial counters.

Q4: Can the 100mm 7-segment display be utilized in outdoor commercial applications?

Absolutely. 100mm 7-segment displays are well-suited for outdoor commercial use when selected and installed properly. Their large digit size ensures readability from a distance—often exceeding 25 meters—making them perfect for:

• Digital Signage: Gas station price boards, drive-thru menu displays, parking garage availability signs.
• Traffic & Public Information: Countdown timers, speed feedback signs, pedestrian signals.
• Sports & Events: Scoreboards, lap timers, race clocks.
• Industrial Monitoring: Outdoor equipment status indicators or production counters.

For reliable outdoor performance, choose displays with:

• IP65 or Higher Rating: Ensures protection against dust and water ingress.
• UV-Resistant Housing: Prevents yellowing or cracking from prolonged sun exposure.
• Wide Operating Temperature: Should function reliably from -20°C to +70°C.
• Polarized or Anti-Glare Lens: Reduces reflection and improves readability in sunlight.

Proper mounting and weatherproof wiring connections are also essential for long-term durability.

Q5: What powers the segments of a 100mm 7-segment display?

The individual segments of a 100mm 7-segment display are powered by direct current (DC) voltage, typically in the range of 2.0V to 3.6V per LED segment, depending on the semiconductor material and color:

• Voltage Requirements: Red and yellow LEDs usually require ~2.0–2.2V, while blue and white may need 3.0–3.6V. Always check the manufacturer’s datasheet for exact specifications.
• Current Draw: Due to their large size, each segment can draw 20–100mA, significantly more than smaller displays. This necessitates robust driver circuits capable of sourcing sufficient current.
• Power Supply Options: Common supply voltages include 5V (for logic compatibility) or 12V (for distributed power in large installations). Constant-current drivers are recommended for consistent brightness and thermal management.
• Driver Integration: Many commercial modules include built-in current-limiting resistors or integrated driver ICs, simplifying connection to microcontrollers or PLCs.

Overvoltage or excessive current can quickly damage the LEDs, so proper circuit design—including fuses, reverse polarity protection, and transient suppression—is crucial, especially in industrial or outdoor environments.