Customizable Triple-Digit Super Green 7 Segment LED Display

• Customization: Available
• Application Scenario: Instrument Display
• Control Method: Wireless WiFi Control
• Model NO.: LB30671EJ-S
• Type: COB
• Driving Method: Constant Current Drive
• Protection Grade: IP20 (Indoor)
• Character Height: 0.67 Inch
• Delivery Date: 10-15 Days
• Digit Count: 3 Digits
• Compliance: RoHS
• Display Type: Segment LED Display
• IP Rating: IP54
• Certification: CCC
• Display Function: LED Display
• System Operating Platform: LED Display
• Application: LED Display
• Transport Package: Plastic Tray+Carton
• Specification: 37.9 x 20.45 x 5.75mm
• Trademark: Light-Bo
• Origin: Shenzhen, China
• HS Code: 85312000
• Production Capacity: 20000PCS/Day
• Package Size: 19.00cm * 14.00cm * 6.00cm
• Package Gross Weight: 0.500kg

Product Description

Custom Triple-Digit Super Green 7 Segment LED Display for cooling control

Product Description

Product Overview

Light-Bo's custom-designed 3-digit 7-segment COB (Chip-on-Board) LED display is engineered for precision in cooling control systems and home appliances. With a 0.67-inch (17.12mm) character height and vibrant green emission, it delivers clear visibility in compact spaces, supported by slim outer dimensions (37.9×20.45×5.75mm). Featuring white segments on a black surface with protective film, this display combines high luminous intensity with low power consumption, making it ideal for air conditioner controls, refrigerator indicators, and heating/cooling systems. Configured as common cathode and RoHS-certified, it ensures stable performance and easy integration into electronic panels.

Product Image

Key Features
COB Technology: Chip-on-Board construction ensures compact size, uniform light distribution, and enhanced durability-perfect for space-constrained cooling control systems.
3-Digit Design with 0.67" Height: 17.12mm (0.67-inch) character height provides clear readability, critical for displaying temperatures or settings in cooling controls.
Vibrant Multi-Color Options: Available in green (standard), red, amber, blue, white, yellow, and orange, allowing customization to match appliance aesthetics.
Durable Construction: White segments on a black surface with protective film resist wear and moisture, ensuring longevity in home appliances.
Energy Efficiency: Low power consumption and extremely low current make it ideal for long-term operation in cooling/heating control systems.
Easy Integration: Common cathode configuration, IC compatibility, and simple assembly streamline installation into PCBs, reducing manufacturing time.
RoHS Certified: Meets global environmental standards, ensuring safety for household and commercial applications.
 

Technical Specifications

Specification	Details
Brand Name	Light-Bo
Type	COB (Chip-on-Board) 7-segment
Digit Count	3 digits
Character Height	17.12mm (0.67 inch)
Package Dimensions	37.9×20.45×5.75mm
Polarity	Common Cathode
Emitting Color	Green (with options: red, blue, white, amber, yellow, orange)
Surface Design	White segments on black surface with protective film
Key Features	High luminous intensity, low power consumption, RoHS certified
Compliance	RoHS

Applications
Ideal for:
Cooling control systems
Air conditioner and refrigerator controls
Heating control panels
Home electronic appliances
Numeric displays in climate regulation devices

Order & Logistics
Minimum Order: 1000 pieces
Payment Terms: T/T, WU
Origin: Guangdong, China (Mainland)
Transport Options: Air
Production Capacity: 20,000 pcs/day
Packing: Plastic Tray + Carton (securely protects COB components during transit)
Delivery Time: 10-15 days

Why Choose This Display?
Light-Bo's 3-digit COB LED display combines compact design with reliable performance, making it perfect for cooling control systems and home appliances. Its green emission, uniform segments, and low power consumption ensure clear readability, while COB technology enhances durability. Backed by high production capacity (20,000 pcs/day) and fast 5-7 day delivery, it's a trusted solution for air conditioners, refrigerators, and heating controls requiring precise numeric displays.
 

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 .

LIGHTBO 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 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 .