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industry-standard package enables drop-in replacement for outdated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
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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).
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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!
