4 Digit 7 Segment Common Cathode LED Display for Air Conditioner
Controller
Product Overview
This 4-digit 7-segment common cathode LED display is specifically
designed for air conditioner controllers, offering optimal
readability and reliable performance in HVAC applications.
Display Characteristics
- Character Height: 14mm (optimal readability)
- Compact Design: 50×25×8mm (L×W×H)
- Polarity Configuration: Common cathode
Material & Construction
- Premium white epoxy resin construction
- Black surface treatment for enhanced contrast
Optical Performance
- Ultra-bright illumination technology
- Available in high-visibility colors: Standard Red/Pure Green or
full spectrum including Red, Blue, Green, White, Amber, Orange,
Yellow
- Wide viewing angles
- Low power consumption
- Excellent environmental resistance
Comprehensive Specifications
- Digit sizes available from compact 0.25" to large 20" displays
- Configurations: 1 to 6-digit models to suit various applications
- Segment variations: Standard 7-segment, enhanced 14-segment and
16-segment models for alphanumeric applications
- Multiple emitting colors: Red, Yellow-Green, Green, Blue, Yellow,
Pink, White
- Bi-color options for enhanced visual indication
- Customizable surface colors: Black, Gray, or Red to match different
design requirements
Technical Parameters by Color 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 Intensity | Iv | If=10mA | 30 | | 40 | mcd |
| Spectrum Width of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 569 | | 574 | nm |
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 Intensity | Iv | If=10mA | 60 | | 80 | mcd |
| Spectrum Width of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 585 | | 595 | nm |
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 Intensity | Iv | If=10mA | 60 | | 80 | mcd |
| Spectrum Width of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 600 | | 605 | nm |
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 Intensity | Iv | If=10mA | 50 | | 60 | mcd |
| Spectrum Width of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 630 | | 635 | nm |
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 Intensity | Iv | If=10mA | 80 | | 100 | mcd |
| Spectrum Width of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 625 | | 635 | nm |
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 Intensity | Iv | If=10mA | 120 | | 180 | mcd |
| Spectrum Width of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 515 | | 525 | nm |
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 Intensity | Iv | If=10mA | 120 | | 140 | mcd |
| Spectrum Width of Half Value | △λ | If=10mA | | 20 | | nm |
| Wavelength | Dλ | If=10mA | 460 | | 465 | nm |
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 Intensity | 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 |
Manufacturer Information
Shenzhen Guangzhibao Technology Co., Ltd. (BRAND: LIGHT-BO) has
been a leading provider of OEM and ODM solutions since 2006. With
ISO 9001:2015 certification and over 15 years of experience, we are
committed to innovation and superior quality in LED display
technology.
Applications
Our LED displays are engineered for seamless integration into
various applications including household appliances, temperature
and humidity monitoring systems, refrigerator controllers,
thermostats, and HVAC systems.
Certifications & Facilities
Company Exhibitions
Shipping & Logistics
Frequently Asked Questions
Q1: Are you a trading company or manufacturer?
A: We are original manufacturers 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,
and LED Backlights.
Q3: What is your MOQ?
A: Our MOQ is 1000 pieces, but we also accept sample orders and
small orders with quantities less than our MOQ.
Q4: Can I get samples for testing before placing an order?
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: Delivery time is typically 10-20 days, depending on order
quantity and raw material availability. For urgent orders with
materials in stock, we can adjust production to deliver within 7-10
days.
Q6: What are your payment terms?
A: We accept bank transfer, T/T, Western Union, and PayPal for
small amounts. Payment methods are negotiable.
Q7: Can you quote FOB prices?
A: Yes, we can quote prices based on incoterms EXW, FOB, CIF, and
DDP.
Q8: How can I get your catalogue and price list?
A: Please provide your email address or contact us directly through
our website for our catalogue and price list.
Q9: Can I negotiate prices?
A: Yes, we may consider discounts for bulk orders.
Q10: How much will shipping charges be?
A: Shipping charges depend on shipment size and shipping method. We
will provide charges upon request.
Q11: Can you do custom design products?
A: Yes, OEM & ODM services are available. We can customize sizes,
LED colors, and functional icons according to your requirements.
Q12: If I send my design, will you keep it confidential?
A: Yes, we will not show or sell your design to others without your
authorization.
Q13: What is the sample lead time for customized products?
A: Sample lead time is approximately 20-25 working days after
receiving mold cost and mold drawing approval from customers.
Q14: What shipping methods do you use?
A: We typically ship via DHL, FEDEX, UPS, EMS, by air, or by sea.
You can choose the method that works best for you.
Q15: How do you ensure product quality?
A: As ISO 9001 certified manufacturers with over 20 years of
experience, we conduct twice 100% testing of all products before
shipment.
