Name: Customizable TripleDigit Green 7 Segment LED Display for cooling control
Brand: LIGHTBO
Price: 1 USD

Product Details
Company Profile

Customizable Triple-Digit Green 7 Segment LED Display for cooling control

Customized 3-digit common cathode 7-segment LED display designed for refrigerator temperature control and other industrial applications.

Product Specifications

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.

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

Audio equipment and instrument panels
Home electronic appliances
Numeric displays
Multimedia products
Digital indicators, temperature indicators, humidity indicators, process indicators

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

Electrical & Optical Characteristics

Pure Green (Code: 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 Intensity	Iv	If=10mA	120	-	180	mcd
Wavelength	Dλ	If=10mA	515	-	525	nm

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: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

Additional color variants available including Yellow Green, Amber/Yellow, Orange, Super Bright Red, Ultra Bright Red, Ultra Bright Blue, and Ultra Bright White with detailed specifications available upon request.

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.

Product Applications

3 Digit 7 Segment LED Display for Refrigerator Temperature Control

7 Segment LED Display, Customized LED Display, Numeric LED Display, Dot Matrix LED Display - widely used for home appliances, temperature indicators, humidity indicators, refrigerator controllers, thermostat indicators, heating and cooling control systems.

Manufacturer Information

SHENZHEN GUANGZHIBAO TECHNOLOGY CO., LTD. (BRAND: LIGHT-BO) - Established in 2006, specializing in R&D, manufacturing and sales of optoelectronic LED displays. ISO 9001:2015 Quality Management Systems certified with over 15 years of OEM and ODM experience.

Certifications

Office and Factory Overview

Company Exhibitions

Shipping Services

Frequently Asked Questions

Q1: Are you a trading company or manufacturer?

A: We are an original manufacturer with more than 20 years 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 more.

Q3: What is your MOQ?

A: Our MOQ is 1000 pieces. We also accept sample orders and small quantities below our MOQ.

Q4: Can I get samples for testing before placing an order?

A: Yes. We provide 5-10 free samples for testing, with freight costs borne by the customer.

Q5: How long is your delivery time?

A: Delivery time is approximately 10-20 days, depending on order quantity and raw materials. For urgent orders with available materials, we can complete 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 provide FOB prices?

A: Yes. We quote prices based on INCOTERMS including EXW, FOB, CIF, and DDP.

Q8: How can I get your catalog and price list?

A: Please provide your email address or contact us directly through our website.

Q9: Can I negotiate prices?

A: Yes, we offer discounts for bulk orders.

Q10: How much are shipping charges?

A: Shipping costs depend on shipment size and method. We provide quotes upon request.

Q11: Do you offer custom design services?

A: Yes, OEM & ODM services are available. We can customize sizes, LED colors, and functional icons according to your requirements.

Q12: Will you keep my custom design confidential?

A: Yes, we will not share or sell your design to others without authorization.

Q13: What is the lead time for customized product samples?

A: Sample lead time is approximately 20-25 working days after receiving mold cost and design approval.

Q14: What shipping methods do you use?

A: We 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 100% testing of all products twice before shipment.

Product Tags:


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Categories	7 Segment LED Display
Emitting Colour:	Pure Green (With options:Ultra Bright White/Yellow/ Ultra Bright Red/Blue)
Compliance:	RoHS
Digit Height:	17.12mm (0.67 inch)
Application:	Refrigerator
Digit:	3
Brand Name:	LIGHTBO
Model Number:	LB30671EJ-S
Certification:	ISO9001&ROHS
Place of Origin:	SHENZHEN，CHINA
MOQ:	1000
Price:	Negotiate
Payment Terms:	TT,Western Union
Supply Ability:	30000pcs/days
Delivery Time:	15-20days
Packaging Details:	Plastic Tray + Carton
Specificationent:	37.9 x 20.45 x 5.75mm
Polarity:	Common Cathode

Customizable Triple-Digit Green 7 Segment LED Display for cooling control

Customizable Triple-Digit Green 7 Segment LED Display for cooling control

Customizable Triple-Digit Green 7 Segment LED Display for cooling control

white triple digit LED display

7 segment common cathode LED

refrigerator LED display module

Customizable Triple-Digit Green 7 Segment LED Display for cooling control