





Ready-to-Use 4-Digit Ultra-Bright Red LED Display Module
Product Description
| Part Number | LB40302IUR4B | Custom printing of your part number supported |
| Digit Number | 4 digits | 2, 3, 4, 5, 6 digits available |
| Digit Height | 7.62MM | 0.25″, 0.36″, 0.39″ … up to 5.0″ |
| Color | Ultra Bright Red | White, Blue, Pure Green, Yellow-Green, Orange, etc. |
| Size (L×W×H) | 30.5*13*7MM | Other dimensions available upon request |
| Polarity | Common Anode | Common Cathode also available |
| Lifespan | 80,000 hours | Under standard operating conditions |
| Free Samples | Yes | Standard samples available; tooling samples require 15-20 working days |
| Sample Lead Time | 5-7 working days | Tooling samples: 15-20 working days |
| Production Lead Time | 15-20 working days | May vary according to order quantity |
| OEM/ODM | Supported | Based on customer's drawings or ideas |
| LOGO Printing | Supported | Based on customer's drawings or designs |
| MOQ | 1,000 pcs | First order can accept 100-500 pcs |
As a leading provider of LED display solutions, we supply precision LED segment displays, dynamic dot-matrix displays, and robust display modules.



1. High Efficiency & Low Forward Voltage
Delivers exceptional luminous intensity at a low forward voltage, maximizing energy efficiency and reducing overall system power consumption.
2. Ultra-Low Power & Current Draw
Engineered for minimal operating current, enabling extended operation in battery-powered devices and energy-sensitive applications.
3. Uniform Segment Illumination
Each segment maintains consistent luminance and color uniformity, ensuring clear, balanced, and professional-grade readability.
4. Industry-Standard Compatibility
Designed with standardized dimensions for seamless integration into existing panel cutouts and mounting systems.
5. High Ambient Light Readability
High contrast ratio and luminous intensity guarantee clear visibility and reliable performance even in brightly lit or outdoor environments.
6. Exceptional Stability & Reliability
Stable operation across a wide range of temperatures and input voltages, ensuring consistent performance in demanding conditions.
7. Extended Operational Lifespan
Rated for up to 80,000 hours of continuous use, offering outstanding durability and reducing long-term maintenance costs.
8. Full Environmental Compliance
Meets RoHS and REACH standards, ensuring safety and environmental responsibility in global markets.
Product Parameters:
Code: Yellow Green - J/JU.
Elevate your displays with vivid hues that are tailored to meet your unique display requirements.
| 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.
Choose this warm, inviting color to craft displays that command attention and exude warmth.
| 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.
Make your display settings pop with our dynamic and eye-catching color choice.
| 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.
Revel in the vibrancy of this rich, captivating color, perfect for any striking display.
| 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.
Ensure superior visibility with an intense and vivid red that enhances any display.
| 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 |
Color: Pure Green.
Opt for a refreshing and clear choice that complements eco-friendly designs effortlessly.
| 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.
Infuse your display with a cool, bright hue, lending a contemporary aesthetic to any setting.
| 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.
Achieve unparalleled clarity and sophistication with this immaculate choice, elevating your displays.
| 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 |
Absolute Maximum Ratings (Ta=25ºC):
Uncover the robust performance parameters that define the remarkable capabilities of our LED display.
| 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 |
Shenzhen Guangzhibao Technology Co., Ltd. (BRAND: LIGHT-BO), established in 2006, symbolizes excellence in OEM and ODM services. As an ISO 9001:2015 certified leader, our legacy of over 15 years is marked by quality and innovation.
LIGHTBO propels clients to new heights with high-quality, cost-effective custom solutions, reducing expenses and fortifying competitive advantages globally.
Products Applications:

7 Segment LED Display, Customized LED Display, Numeric LED Display, Dot Matrix LED Display: Our innovative products find applications in home appliances, temperature and humidity indicators, refrigerator controllers, thermostats, and heating and cooling systems, showcasing our commitment to performance.
Certifications:

Office and Factory Overview:





Company Exhibitions:


Various transportation methods:

FAQ:
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 IWhat will be the samples lead time for customzied 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 .





