





Ultra Blue/Green Common Cathode 7-Segment LED Display for Refrigerator Controllers
Specification ItemDetailsNotes / Options
| Part Numbering | LB11931LBJ1S-T2 | Custom part number printing supported |
| Standard Color | Ultra Blue/Green | White, Blue, Pure Green, Yellow-Green, Orange, etc. |
| Polarity | Common Cathode | Common Anode |
| Lifespan | >80,000 hours | |
| Free Samples | Available | |
| Sample Lead Time | 5-7 working days | Tooling samples: 15-20 working days |
| Production Lead Time | 15-20 working days | Varies with order quantity |
| OEM/ODM Services | Supported | Based on customer's drawing or idea |
| LOGO Printing | Supported | Based on customer's drawing or idea |
| Minimum Order Quantity (MOQ) | 1,000 PCS | 100-500 PCS acceptable for initial trial orders |
Product Parameters
Code:Yellow Green- J/JU
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 |
Color:Pure Green
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 |
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 |
Detailed Photos



Product Feature
High-contrast Display: White segments on a black background ensure sharp and clear visibility.
High Luminosity: Superior luminous intensity guarantees excellent readability in various lighting conditions.
Efficient & Reliable: Engineered for low power consumption and stable, long-term performance.
Uniform Segments: Continuous segments provide a consistent and seamless appearance.
Easy Integration: Designed for simple PCB mounting and direct IC compatibility.
RoHS Compliant: Fully adheres to RoHS environmental standards.
Delivery time
(pieces)Quantity (pieces) | 1 - 100 | 101 - 1000 | > 1000 |
EDT (days) | 5 | 15 | pending |
Office and Factory Overview
Shenzhen Guangzhibao Technology Co., Ltd. (Brand: LIGHT-BO ) was established in 2006, A company that integrates R & D, manufacturing and sales of optoelectronics LED display. Our products include: 7 Segment LED Display, Alphanumeric LED Display, DOT Matrix LED Display, LED Backlight, Through Hole LEDs, SMD LEDs and so on. With features of low cost, low power consumption, long lifetime, stable performance, our products are widely used for home appliances (especially kitchen home appliances like oven, hood, refrigerator/freezer, etc. ) and instrument panels (temparture, humidity, counter, process, etc. ).

Products Applications

FAQ
Q1: Are you a trading company or manufacturer?
A: We are an original manufacturer with more than 20 years of experience in optoelectronic LED displays.
Q2: What are your main products?
A: Our main products include 7-segment LED displays, SMD LED displays, dot matrix LED displays, arrow LED displays, custom design LED displays, LED light bars, through-hole LEDs, SMD LEDs, LED backlights, and so on.
Q3: What is your MOQ?
A: Our MOQ is 1000 pcs. However, we also accept sample orders and small orders with quantities less than our MOQ.
Q4: Before placing an order, can I get some samples for testing?
A: Yes, we can provide 5–10 free samples for testing, but the freight cost will be borne by the customer.
Q5: How long is your delivery time?
A: The delivery time is about 10–20 days, depending on the order quantity and raw material availability. If you have an 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 are your terms of payment?
A: We accept bank transfer, T/T, Western Union, and PayPal (for small amounts). Details of payment methods are negotiable.
Q7: Can you quote me FOB prices?
A: Yes, we can quote prices based on Incoterms such as EXW, FOB, CIF, and DDP.
Q8: How can I get your catalog and price list?
A: Please let us know your email address or contact us directly through our website for our catalog 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 shipping method. We will provide the shipping cost upon request.
Q11: Can you do custom design products?
A: Yes, OEM & ODM services are available. We can customize the sizes, LED colors, and functional icons according to your requirements.
Q12: If I send my design, can you make it exclusively for me and not show it to anyone else?
A: Yes, we will not show or sell it to others without your authorization.
Q13: What is the sample lead time for customized products?
A: The sample lead time is about 20–25 working days after receiving the mold cost and approved mold drawings from the customer.
Q14: What are the shipping methods?
A: We usually ship goods by DHL, FedEx, UPS, EMS, by air, or by sea. You can also choose another method that best suits your needs.
Q15: How do you ensure the quality of your products?
A: We are ISO 9001 QMS certified manufacturers with more than 20 years of experience. We conduct 100% testing twice for all our products before shipment.
SHIPPING SERVICES

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