logo

products details

Created with Pixso. Home Created with Pixso. Products Created with Pixso.
Oven Timer LED Display
Created with Pixso.

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller

Brand Name: LIGHT-BO
Model Number: LB40381EW-3S-T1-D
MOQ: 1000
Price: Negotiate
Payment Terms: T/T
Supply Ability: 20000 PCS/Day
Detail Information
Place of Origin:
Shenzhen, China
Certification:
ISO9001&RoHS
Packing:
EPE+Carton
Brand Name:
LIGHT-BO
Origin:
Shenzhen
Packaging Details:
EPE+CARTON
Supply Ability:
20000 PCS/Day
Highlight:

common cathode 7 segment LED display

,

4 digit oven controller display

,

ultra white LED oven timer

Product Description

Ultra White 4-Digit Common Cathode 7-Segment LED Display for Oven Controllers


Product Overview
This specialized 4-digit common cathode 7-segment LED display is a dedicated heat-resistant solution for oven controllers, gas cookers, and cooking timers. Engineered to operate reliably in extreme ambient temperatures of 105°C–120°C, it features robust heat-resistant epoxy encapsulation and high-temp-tolerant LED chips that avoid dimming, flickering, or segment failure even during prolonged high-heat baking and roasting cycles.
With ultra bright white emission, high luminous intensity, and a big viewing angle, it delivers crisp, glare-free numeric readouts in busy kitchen environments—ensuring users can quickly check timer countdowns or temperature settings without leaning over hot appliances. The common cathode polarity ensures seamless integration with standard driver ICs, while its 50,000+ hour lifespan and RoHS/REACH compliance make it a cost-effective, globally marketable choice for kitchen appliance manufacturers.


Product Image

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 0

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 1

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 2


Core Technical Advantages
1. Extreme High-Temperature Resistance (105°C–120°C)
Built exclusively for heat-intensive oven enclosures, the display uses heat-resistant epoxy encapsulation and high-temp-tolerant LED chips that withstand the prolonged thermal stress of gas cookers, induction cooktops, and air fryers. Unlike standard consumer-grade LED displays that degrade rapidly above 60°C, this model maintains stable performance in the harsh, confined heat of oven control panels—eliminating frequent replacements and reducing after-sales maintenance costs.
2. Ultra White Illumination for Kitchen-Optimized Visibility
High Luminous Intensity + Big Viewing Angle (≥120° H/V): Cuts through glare from kitchen overhead lights and oven interior illumination, ensuring timer values are readable from 1–2 meters away. The wide viewing angle supports safe operation—users can check readouts without leaning over hot cooktops.
Uniform Batch Consistency: Minimal brightness variation across production batches ensures all oven models have consistent display performance, enhancing brand credibility and user trust in your appliance line.
High-Contrast Readability: Ultra white light paired with a black faceplate eliminates reflection, ensuring crisp differentiation between digits—critical for avoiding misreads of short countdown times that impact cooking results.
3. Energy Efficiency & Long-Term Reliability
Low Power Consumption: Minimizes energy draw for intermittent and continuous timer operation, aligning with global home appliance energy-saving standards and reducing household electricity costs. The efficient design avoids excessive heat generation in the sealed oven control panel enclosure.
50,000+ Hour Lifespan: High-quality LED chips and heat-resistant components match the 8–10 year service life of ovens, air fryers, and toasters—eliminating the need for frequent display replacements and reducing after-sales burdens for manufacturers.
Stable Performance Under Voltage Fluctuations: Resists electrical interference from kitchen power grids and oven heating elements, ensuring glitch-free countdown operation for every cooking cycle.
4. Manufacturer-Friendly Integration & Compliance
Common Cathode Polarity & IC Compatibility: Works seamlessly with mainstream driver ICs and oven control microcontrollers. Simplifies circuit design for timer functions, temperature display, end-of-cycle buzzer activation, and brightness tuning for day/night use.
Automated Assembly Support: Standardized through-hole or SMT pinout designs integrate with high-volume production lines, reducing labor costs and assembly errors for kitchen appliance manufacturers.
Dual Regulatory Compliance: Meets RoHS/REACH standards, enabling export to EU, North American, and Asian markets without regulatory barriers.


Target Applications
This display is purpose-built for heat-intensive kitchen appliance control systems:
Multifunction Digital Oven Controllers
Gas Cookers & Induction Cooktops
Cooking Timers & Countdown Interfaces
Air Fryers & Convection Ovens
Toasters & Grillers


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 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 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 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 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 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 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 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

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 3
   

    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

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 4

Office and Factory Overview

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 5

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 6Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 7

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 8

Company Exhibitions

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 9Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 10

SHIPPING SERVICES

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 11

Ultra White Common Cathode 7 Segment LED Display 4 Digit for Oven Controller 12


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 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.