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| Categories | 7 Segment LED Display |
|---|---|
| Brand Name: | LIGHT-BO |
| Model Number: | LB30401LG3B-D |
| Certification: | ISO9001&RoHS |
| Place of Origin: | Shenzhen, China |
| MOQ: | 1000 |
| Price: | Negotiate |
| Payment Terms: | T/T,Western Union |
| Supply Ability: | 50000PCS/Days |
| Delivery Time: | 10-15 days |
| Packaging Details: | EPE+CARTON |
| LED Color: | Pure Green |
| Digit height: | 0.4 inch |
| Brightness: | 120-160mcd |
| Outer dimensions: | 30.1*16*7mm |
| Life span: | over 90000 hours |
| Wavelength: | 515-525NM |
| Forward Current: | 5-10mA |
| Forward Voltage: | 2.5-3.0V |
| Application: | Household appliances |
| Company Info. |
| Shenzhen Guangzhibao Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Ultra-Low Power 7-Segment LED Display – Energy Star Compliant,
<1mA Typical Current for Consumer Electronics & Appliances
Product Image
Detail Image
Key Selling Points
1. Ultra-Low Power (＜1mA Typical) – Game-Changer for Battery
Devices
＜1mA current draw: Far lower than conventional 7-segment displays (5-10mA), this
model slashes energy use by 80%+—critical for battery-powered
devices like wireless thermometers, portable humidity sensors, or
battery-operated audio equipment. Extends battery life by 4-5x.
Energy Star compliance: Meets strict global energy efficiency standards, helping
manufacturers qualify their products for eco-friendly
certifications. Appeals to environmentally conscious consumers and
opens access to markets with strict energy regulations.
2. Industry-Standard Interchangeability – No Redesign Needed
Drop-in replacement for standard packages: Designed to match the footprint, pin layout, and dimensions of
industry-standard 7-segment displays. Manufacturers can upgrade to
ultra-low power without modifying PCBs, enclosures, or assembly
lines—saving R&D time and reducing production costs.
Broad driver compatibility: Works with mainstream 7-segment driver ICs that support
low-current operation. No need for custom drivers, ensuring
seamless integration into existing product lines.
3. Superior Ambient Light Rejection – Readable in Any Environment
Anti-glare surface + optimized emission: The display’s matte surface absorbs excess ambient light, while
its tailored emission spectrum cuts through glare—unlike standard
displays that wash out in bright conditions. Ensures clear
readability for 24/7 appliances or devices used in variable
lighting.
Eye-friendly brightness balance: Even at ＜1mA current, the display maintains sufficient brightness
(50-70mcd) for comfortable reading—no squinting in dim light, no
glare in bright light. Perfect for devices used at close range or
for prolonged periods.
4. Stable Performance & Global Compliance
Reliable operation under fluctuations: Engineered to perform consistently across voltage and temperature
ranges, making it suitable for household appliances and industrial
measurement tools. No flickering, segment dropout, or brightness
degradation in harsh conditions.
RoHS/REACH compliance: Free from restricted substances, meeting global environmental
standards. Eligible for export to key markets and aligns with
sustainable manufacturing practices.
Target Applications
1. Battery-Powered Consumer Electronics
Wireless sensors: Temperature/humidity sensors, door/window contact sensors, or
smart home motion detectors.
Portable audio equipment: Mini amplifiers, wireless speakers, or MP3 players—ultra-low power
extends playback time.
Handheld measurement tools: Portable thermometers, digital calipers, or moisture meters—no
frequent battery replacements.
2. Household Appliances
Smart thermostats/humidifiers: Display set temperature, room temperature, or humidity—24/7
operation with minimal energy use.
Small kitchen appliances: Mini air fryers, coffee makers, or rice cookers—fits standard
appliance panels without redesign.
Laundry devices: Compact washers/dryers or garment steamers—stable performance in
humid environments.
3. Audio & Instrument Panels
Stereo receivers/equalizers: Show input channels or EQ settings—low power complements audio
equipment’s energy needs.
Industrial instrument panels: Process variable indicators or machine counters—reliable in
factory conditions.
Digital media devices: Set-top boxes, soundbars, or gaming consoles—interchangeable with
existing displays.
Quality Assurance
Low-Power Validation: Every unit is tested to confirm current draw ≤1mA (typical) and
Energy Star compliance—no over-powering units are shipped.
Ambient Light Rejection Test: Samples are evaluated under 1000-lux simulated to ensure no
readability loss, verifying anti-glare performance.
Interchangeability Check: Random samples are tested with standard PCBs to confirm drop-in
compatibility, avoiding fitment issues for manufacturers.
Warranty: 2-year warranty for non-human damage. If the display fails (e.g.,
current exceeds 1mA, brightness degradation), free replacement is
provided (batch number required).
Product Parameters
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 seconds) | Th | 260 | ºC |
Code:Yellow Green- J
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 1.8 | 2.4 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=10mA | 30 | 40 | mcd | |
| Spectrum With Of Half Value | △λ | If=10mA | 20 | nm | ||
| Wavelength | Dλ | If=10mA | 569 | 574 | nm |
Code:Amber/Yellow -Y
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 1.8 | 2.5 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=10mA | 60 | 80 | mcd | |
| Spectrum With Of Half Value | △λ | If=10mA | 20 | nm | ||
| Wavelength | Dλ | If=10mA | 585 | 595 | nm |
Code:Orange -F
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 1.8 | 2.4 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=10mA | 60 | 80 | mcd | |
| Spectrum With Of Half Value | △λ | If=10mA | 20 | nm | ||
| Wavelength | Dλ | If=10mA | 600 | 605 | nm |
Code:Super Bright Red -R
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 1.8 | 2.2 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=10mA | 50 | 60 | mcd | |
| Spectrum With Of Half Value | △λ | If=10mA | 20 | nm | ||
| Wavelength | Dλ | If=10mA | 630 | 635 | nm |
Code:Ultra Bright Red -UR
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 1.8 | 2.2 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=10mA | 80 | 100 | mcd | |
| Spectrum With Of Half Value | △λ | If=10mA | 20 | nm | ||
| Wavelength | Dλ | If=10mA | 625 | 635 | nm |
Code:Pure Green -G
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 2.6 | 3.2 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=10mA | 120 | 180 | mcd | |
| Spectrum With Of Half Value | △λ | If=10mA | 20 | nm | ||
| Wavelength | Dλ | If=10mA | 515 | 525 | nm |
Code:Ultra Bright Blue -BH
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 2.8 | 3.2 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=10mA | 120 | 140 | mcd | |
| Spectrum With Of Half Value | △λ | If=10mA | 20 | nm | ||
| Wavelength | Dλ | If=10mA | 460 | 465 | nm |
Code:Ultra Bright White -WH
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Forward Voltage | Vf | If=10mA | 2.8 | 3.2 | V | |
| Reverse Voltage | Vr | Ir=10uA | 5 | V | ||
| Luminous Intensty | Iv | If=10mA | 120 | 140 | mcd | |
| LED color Temperature | K | If=10mA | 5500 | 20 | 6800 | K |
Chromaticity Coordinates | X/Y | If=10mA | 0.29,0.32 | 0.30,0.33 | nm |
Shenzhen Guangzhibao Technology Co., Ltd. (Brand: Light-Bo) stablished in 2006 , A company that integrates R & D, manufacturing and sales of optoelectronics LED Displays . ISO 9001 2015 Quality Management Systems certified company . With more than 15 years OEM and ODM experience .
Light Bo has been committed to provide high quality and low cost customized solutions to help customers reduce cost and enhance competitiveness.
Products Applications
7 Segment LED Display, Customized LED Display, Numeric LED Display, Dot matrix LED Display, widely used for home appliances,tempearture indicators, humidity indicators, refrigerator controller,thernostats indicator,heating and cooling control and so on.
Certifications
Office and Factory Overview
Company Exhibitions
Shipping Services
FAQ
FAQ(Frequently Asked Questions)
Q1 Are you trading company or manufacturer?
A: We are original manufacturer with more than 20 years experience in optoelectronic LED displays .
Q2 What is your main products?
A: Our main products include 7 Segment LED display, SMD LED Display,Dot matrix LED Display, Arrow LED display, Custom Design LED Display ,LED light bar,Through hole led, SMD LEDs,LED Backlights, and so on .
Q3 What is your MOQ?
A: Our MOQ is 1000 pcs , We can also accept sample orders and small orders with quantity less than our MOQ .
Q4 Before placing order, Can I get some samples for test?
A: Yes. We can provide 5-10 free samples for your testing, but the freight cost will be borne by the customer.
Q5 How long is your delivery time?
A: Delivery time:About 10-20 days; According to order quantity and raw materials. If you have urgent order,and we have raw materials in stock,we can adjust our production plan to make it ready within 7-10 days .
Q6 What is your terms of payment?
A: We accept bank transfer,T/T,Western Union and Paypal with small amount. Detailes of payment methods can be negotiatble.
Q7 Can you quote me FOB prices?
A: Yes. We can quote you prices based on incoterms EXW, FOB, CIF,DDP.
Q8 How can I get your catalogue and price list?
A: Yes . Please let us know your email address or contact us from website directly for our catalogue and price list .
Q9 Can I negotiate the prices?
A: Yes, we may consider discounts for bulk orders.
Q10 How much will the shipping charges be?
A: It depends on the size of your shipment and the method of shipping.We will offer the charge to you as you requested.
Q11 Can you do custom design products?
A: Yes , OEM&ODM service are available .We can customize the sizes,led color and functional icons according to your requirements.
Q12 If I send my design , can you make it for myself only ,and will not show it to any one else?
A: Yes , we will not show it or sell to others without your authorization.
Q13 What will be the samples lead time for customized products?
A: Samples lead time will be about 20-25 working days after receiving mold cost and mold drawing approval from customers .
Q14 What is the shipping methods?
A:We usually ship the goods by DHL, FEDEX,UPS,EMS,BY AIR,BY SEA etc, also you can choose the other way that best for you.
Q15 How do you ensure the quality of your products?
A: we are ISO 9001 QMS ceritified manufacturers with more than 20 years experience ,We conduct twice 100% percent test for all of our products before shipment.
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