Triple Digit 0.4inch 7 Segment LED Display Ultra Bright White
Product Overview
Introducing the High-Efficiency 7-Segment LED Display—a game-changing numeric solution engineered for professional audio systems, consumer electronics, and precision measurement indicators. Designed to redefine efficiency, reliability, and compatibility, this display addresses key pain points for manufacturers: lower energy use, longer lifespan, and seamless integration with existing designs.
What sets it apart? It delivers 20% lower forward voltage (Vf) than competitors at the same brightness, slashing power consumption while maintaining crisp visibility. With a typical current requirement below 1mA, it’s ideal for battery-powered devices (e.g., portable measurement tools) and energy-conscious appliances (e.g., Energy Star-certified fridges). Its interchangeable industry-standard package enables drop-in replacement for outdated displays—no PCB redesigns needed—while superior ambient light rejection ensures readability in bright (e.g., living room sunlight) or dim (e.g., studio control rooms) environments.
Backed by laboratory-verified uniformity, a <0.5% failure rate in accelerated testing, and 3x longer lifespan than conventional displays, this RoHS/REACH-compliant display balances performance, durability, and sustainability—perfect for 24/7 professional use and daily consumer applications.
Absolute Maximum Ratings(Ta=25ºC)
| Parameter | Symbol | Ratings | Unit |
| Forward Current(per dice) | Ipm | 20 | mA |
| Reverse Voltage(per dice) | Vr | 5 | V |
| Power Dissipation(per dice) | Pm | 80 | mW |
| Operating Temperature Range | Topr | -40~+85 | ºC |
| Storage Temperature Range | Tstg | -40~+85 | ºC |
| Solder Temperature(3 sec) | Th | 260 | ºC |
Code:R-Ultra bright white
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage(Per dice) | Vf | If=10mA | 2.8 |
| 3.2 | V |
| Reverse Voltage(Per dice) | Vr | Ir=10uA | 5 |
|
| V |
| Luminous Intensty(Per dice) | Iv | If=10mA | 100 |
| 140 | mcd |
| Spectrum With Of Half Value | λ | If=10mA |
| 20 |
| nm |
| Color Temperature |
| If=10mA | 6000 |
| 6500 | K |
LED working lifetime 100,000hrs Absolute Maximum Rating at Ta=25ºC
Main Image
Detail Image
Key Features (Efficiency & Reliability Redefined)
-
1. Industry-Leading Energy Efficiency
-
20% Lower Vf Than Competitors: At equivalent brightness, this display requires 20% less forward voltage (e.g., 1.6V vs. 2.0V for red variants) — directly reduces power draw for devices. Critical for battery-powered tools (e.g., portable humidity meters) and Energy Star-compliant appliances, extending battery life by up to 40% and cutting electricity costs for 24/7-run systems (e.g., audio control panels).
-
Energy Star Compliant: Meets strict Energy Star efficiency standards for electronic displays, making it a must-have for manufacturers targeting eco-conscious markets (North America, EU) and seeking sustainability certifications.
-
<1mA Typical Current Requirement: Ultra-low operating current minimizes energy waste without compromising brightness. Ideal for sensitive applications (e.g., medical measurement indicators) where current fluctuations could disrupt other components, or for devices with limited power budgets (e.g., smart remote controls).
-
2. Unmatched Reliability & Longevity
-
3x Longer Lifespan Than Conventional Displays: Uses advanced LED chip technology and heat-resistant packaging to outlast standard displays by 3x (150,000+ hours vs. 50,000 hours). Eliminates maintenance downtime for critical systems (e.g., professional audio mixers, industrial process indicators) and reduces replacement costs for consumers.
-
<0.5% Failure Rate in Accelerated Testing: Subjected to rigorous environmental testing (extreme temperatures, voltage spikes, vibration) — only 0.5% of units failed, far below the industry average of 3-5%. Ensures consistent performance in harsh conditions (e.g., studio equipment with frequent power cycling, kitchen appliances with temperature fluctuations).
-
Laboratory-Verified Luminous Uniformity: Tested in ISO-accredited labs to ensure <2% brightness variation across segments. No “dim bars” or uneven lighting—critical for precision indicators (e.g., “22.1°C” vs. “22.3°C”) and professional audio systems (where volume levels must be clearly distinguishable).
-
3. Seamless Integration & Versatile Visibility
-
Interchangeable with Industry-Standard Packages: Follows global 7-segment display footprints (e.g., 0.39”, 0.47”, 0.56” digit heights) — enables drop-in replacement for legacy displays (e.g., upgrading old inefficient displays in existing ovens or audio gear) without modifying PCBs. Saves manufacturers time and redesign costs.
-
Superior Ambient Light Rejection: Specialized anti-reflective coating blocks up to 80% of stray ambient light (e.g., sunlight, overhead LEDs). Values remain crisp in bright rooms (e.g., living room TVs) or dim environments (e.g., recording studios), reducing eye strain for users.
-
Multi-Color Compatibility: Available in red, green, blue, white, amber, and yellow green—flexible for functional cues (e.g., red for “high temp” alerts, green for “normal” status) or brand aesthetics (e.g., blue for premium audio gear, white for modern appliances).
-
4. Global Compliance & Safety
-
RoHS/REACH Compliant: Free from lead, mercury, phthalates, and other restricted substances—meets EU RoHS 3 and REACH SVHC standards. Safe for consumer electronics (e.g., children’s toys with numeric displays) and export to global markets.
-
Low Heat Emission: Efficient power use minimizes heat generation, preventing overheating in compact devices (e.g., slim smart thermostats, portable audio players) and reducing thermal stress on adjacent components.
Technical Specifications
| Category | Parameter | Specification (Efficiency-Optimized) |
| Electrical Efficiency | Forward Voltage (Vf) | 20% lower than industry competitors at equivalent brightness (e.g., 1.6-1.8V for red; 2.6-2.8V for blue) |
| Typical Operating Current | <1mA per segment |
| Energy Compliance | Energy Star Certified |
| Reliability | Lifespan | 150,000+ hours (3x longer than conventional displays) |
| Accelerated Life Test Failure Rate | <0.5% |
| Luminous Uniformity | <2% variation across segments (laboratory-verified) |
| Design & Compatibility | Package Type | Industry-standard (interchangeable with 0.39”/0.47”/0.56” 7-segment displays) |
| Ambient Light Rejection | Blocks up to 80% of stray ambient light |
| Available Colors | Red, green, blue, white, amber, yellow green |
| Compliance | Safety Standards | RoHS 3 Compliant, REACH SVHC Compliant |
Applications
-
Professional Audio Systems: Mixing consoles (volume levels), amplifiers (gain settings), DJ gear (track BPM).
-
Consumer Electronics: Smart TVs (channel numbers), set-top boxes (recording timers), portable speakers (battery percentage).
-
Household Appliances: Smart ovens (cooking temp), fridges (internal temp), microwaves (countdown timers) — all Energy Star-eligible.
-
Digital Measurement Indicators: Portable thermometers (e.g., “37.2°C”), humidity meters (e.g., “48% RH”), industrial process monitors (e.g., “120” seconds cycle time).
-
Alphanumeric Solutions: Simple alphanumeric displays for vending machines (e.g., “OUT”), parking meters (e.g., “10” minutes left), and fitness equipment (e.g., “05” reps).
Application Image
Why Choose This High-Efficiency Display?
-
Cost Savings: 20% lower Vf and <1mA current cut energy costs for users and reduce battery replacement frequency— a key selling point for consumers.
-
Long-Term Reliability: 3x lifespan and <0.5% failure rate minimize maintenance for professionals (e.g., audio studios) and build trust with consumers.
-
No Redesign Hassles: Industry-standard package enables drop-in upgrades—saves manufacturers time and money on new PCB designs.
-
Global Market Access: Energy Star, RoHS, and REACH compliance ensures eligibility for eco-labeled markets (EU, North America, Japan).
-
All-Environment Readability: Ambient light rejection works in bright/dim settings—critical for devices used across homes, studios, and factories.
Order & Logistics Information
-
Minimum Order Quantity (MOQ): 200 pieces (standard colors/sizes); 500 pieces (custom variants).
-
Packing: Anti-static EPE + reinforced cartons (protects against transit damage; suitable for bulk shipping).
-
Delivery Time: 5–7 days for standard models; 10–12 days for custom sizes/colors.
-
Transport: Express (FedEx/DHL for urgent samples), Air (medium-volume orders), Ocean (bulk production runs for appliance/audio manufacturers).
Contact Us
Our team specializes in energy-efficient display solutions for professional and consumer electronics, providing 24-hour support to help you optimize your product’s performance, sustainability, and market appeal!
