Common Cathode Ultra Bright Blue 7 Segment LED Display Triple Digit 0.56 inch

Common Cathode Ultra Bright Blue 0.56-Inch 3-Digit 7-Segment LED Display for Home Appliances & Digital Indicators

Product Overview
Introducing the Common Cathode Ultra Bright Blue 0.56-Inch 3-Digit 7-Segment LED Display—a versatile, industry-standard numeric solution engineered for digital indicators, home appliances, and multimedia products. Designed to prioritize visibility, energy efficiency, and reliability, this 3-digit display excels at showing extended metrics that require precision: temperature (e.g., “24.0°C” for thermostats), humidity (e.g., “55% RH” for humidifiers), audio volume (e.g., “80” for speakers), or process values (e.g., “180” for industrial timers).
Its 0.56-inch digit height ensures readability from 1–3 meters (typical kitchen/living room or equipment operation distances), while the common cathode polarity simplifies integration with standard driver ICs. The ultra bright blue light (460-465nm wavelength) cuts through bright ambient light (e.g., sunlight, fluorescent kitchen lights) without causing eye strain, making it ideal for both home and commercial use. With low power consumption (5-10mA/LED), RoHS/REACH compliance, and a long lifespan, it balances functionality, eco-friendliness, and durability—perfect for 24/7 operation in diverse devices.

Absolute Maximum Ratings(Ta=25ºC)

Code:Ultra Bright Blue -BH

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Key Features (Indicator & Appliance-Optimized)
1. Superior Visibility in Bright Environments
Ultra Bright Blue Illumination (460-465nm): Blue light delivers high contrast against dark surfaces (e.g., black appliance panels) and resists washout in bright ambient light—critical for outdoor-facing humidity indicators, sunlit kitchen appliances, or audio equipment in well-lit rooms.
Even Light Distribution: Segments are uniformly lit (no “hot spots” or dim areas), ensuring every digit (e.g., “0” to “9”) and decimal point (for precision metrics like “25.5°C”) is clear—avoids misreading values that could disrupt temperature/humidity control or audio settings.
0.56-Inch Digit Height: Balances readability and space efficiency—large enough to distinguish small increments (e.g., “50%” vs. “51%” humidity) but compact enough to fit into slim appliance panels (e.g., mini temperature controllers) or audio equipment front panels.
2. Energy Efficiency & Industrial-Grade Reliability
Extremely Low Current (5-10mA/LED): Minimizes power draw, making it ideal for battery-powered devices (e.g., portable temperature sensors) or energy-efficient home appliances (e.g., ENERGY STAR-certified ACs)—extends battery life by 30% compared to higher-current displays.
Low Forward Voltage (2.8-3.2V/LED): Compatible with standard low-voltage power supplies (e.g., 5V USB, 12V DC adapters) used in most home and multimedia devices—no need for bulky voltage converters or custom wiring.
Industrial Standard Size: Follows industry benchmarks for 0.56-inch 3-digit displays, ensuring drop-in compatibility with existing PCB layouts (e.g., for upgrading old red displays to blue in audio equipment or appliances) — reduces redesign costs for manufacturers.
3. Stable Performance & Easy Integration
Reliable Operation in Variable Conditions: Withstands temperature fluctuations (0°C–50°C, typical for homes, offices, or light industrial spaces) and minor vibrations (e.g., audio equipment bass, appliance fan movement)—maintains consistent brightness and segment uniformity, no flickering during value updates.
Long Lifetime (50,000+ Hours): High-quality LED chips match the 8–10 year service life of most home appliances and audio equipment, reducing maintenance and replacement costs (critical for commercial devices like process indicators used 24/7).
Common Cathode Polarity: Works with standard driver ICs (e.g., TM1637, HT1621, MAX7219) widely used in digital indicators and appliances—simplifies circuit design, accelerates production, and ensures compatibility with existing firmware (e.g., temperature sampling, humidity sensing).
4. Compliance & Versatility
RoHS/REACH Compliant: Free from harmful substances (lead, mercury, phthalates) and meets strict European chemical safety standards—safe for home use and export to global markets (EU, North America, Asia).
Multi-Color Options: Beyond ultra bright blue, choose from red (for alerts), green (for “normal” status), white (for premium designs), amber, orange, or yellow—flexible for functional cues (e.g., red for “high temp” warnings, blue for standard readings) or brand aesthetics (e.g., blue for modern audio equipment).

Technical Specifications

Shenzhen Guangzhibao (Light-Bo) Technology Co. Ltd is specialized in LED products, including LED 7 segment numeric displays, alphanumeric LED displays,dot-matrix LED Displays, SMD LEDs, LED lamps,LCD backlights,LED light bar, bar gragh arrays and LED direction indicator displays and more.
We offer top quality products at competitive prices to meet different requirement for industry applications. We introduced computerized operation system and complete QC system. Key raw materials are sourced from the US, Japan and Taiwan area, plus,we utilise an array of advanced production equipments from ASM and Risen,such as automatic dice bonding and wire soldering machines . We specialise in offering series of optoelectronic displays in pure green, pure white and ultra blue.All of our products comply with the RoHS Directives. Monthly capacity reaches 3,000,000pcs.
We have been in LED industry for more than 12 years. With more than 10 years OEM and ODM experience, our R&D engineers are at hand for your customization requirements. Samples can be ready in just 10-15 days. Contact us now !