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High-Visibility 7 Segment LED Display for Cooking Timers
Product Description
This high-visibility 7-segment LED display is engineered exclusively for cooking timers and kitchen appliance control panels, optimized to withstand extreme kitchen temperatures and deliver clear, error-free readouts of time, temperature, and cooking mode values. With a wide operating temperature range of +105°C to +120°C, it thrives in high-heat environments near oven cavities and heating elements-outperforming generic displays in durability and stability.
Featuring high luminous intensity, a big viewing angle, and multi-color options (red, blue, green, white, amber, orange), it ensures timer values are visible from any position on the kitchen counter, even through steam or ambient light. The display is IC-compatible, energy-efficient, and RoHS/REACH compliant, making it ideal for 24/7 operation in air fryers, toaster ovens, electric grills, and smart kitchen appliances.
Product Image
Core Technical Specifications
| Category | Parameter | Specification (Cooking Timer-Optimized) |
| Basic Design | Display Type | 7-Segment LED Display (2/3/4-digit customizable for timer/ temp readouts) |
| Polarity (Customizable) | Common Cathode / Common Anode | |
| Segment/Surface Finish | High-contrast white segments on black surface (grease-resistant optional) | |
| Optical Performance | Emitting Colors | Red, Blue, Green, White, Amber, Orange |
| Key Optical Traits | High luminous intensity, big viewing angle (≥120° H/V), good brightness consistency | |
| Electrical Parameters | Power Consumption | Low (extremely low current draw) |
| IC Compatibility | Works with standard driver ICs (TM1637, HT1621, MAX7219) | |
| Environmental Resilience | Operating Temperature Range | +105°C to +120°C |
| Durability Traits | Heat-resistant epoxy, steam/grease resistance (optional protective film) | |
| Quality & Compliance | Core Advantages | Stable performance, long lifetime, good consistency, easy assembly |
| Compliance | RoHS Compliant, REACH Compliant |
Key Features (Cooking Timer-Optimized)
1. Extreme High-Temperature Resilience
+105°C to +120°C Operating Range: Built with heat-resistant epoxy materials and reinforced circuit design, it withstands prolonged proximity to oven and air fryer heating elements-no dimming, flickering, or segment failure during 60+ minute cooking cycles.
Steam & Grease Resistance: Optional protective surface film repels kitchen steam, grease splatters, and cleaning chemicals, maintaining readability over years of use.
2. High-Visibility for Kitchen Scenarios
High Luminous Intensity: Ensures timer values are crisp and eye-catching, even through kitchen steam or bright overhead lighting-prevents misreading countdowns and avoids overcooking/undercooking food.
Big Viewing Angle (≥120° H/V): Delivers clear readability from any position on the kitchen counter, eliminating the need to bend down to check timer values.
Multi-Color Functional Coding:
Red/Amber: Ideal for timer countdowns and high-temperature alerts-visually intuitive for urgent cooking cues.
Green: Perfect for "optimal temp range" indicators
White/Blue: Modern aesthetics for premium smart kitchen appliances.
3. Kitchen-Appliance Friendly Design
Low Power Consumption: Extremely low current draw minimizes energy use for battery-powered portable timers and reduces operational costs for plug-in appliances, aligning with energy-saving home trends.
Good Brightness Consistency: Uniform segment illumination across all units ensures consistent product appearance for appliance manufacturers-no batch-to-batch variation in readability.
Long Lifetime: High-quality LED chips match the 8-10 year service life of most kitchen appliances, eliminating frequent display replacements and maintenance hassle for users.
4. Easy Integration for Manufacturers
IC Compatibility: Works seamlessly with mainstream timer driver ICs and microcontrollers, simplifying circuit design and firmware integration for cooking timer functions.
Customizable Digit Count: Supports 2-digit, 3-digit, or 4-digit configurations to fit diverse kitchen appliance needs.
Automated Assembly Support: Standardized PCB mounting design is compatible with SMT production lines, speeding up high-volume manufacturing of kitchen appliances.
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 .
Light Bo 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.
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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 customized 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 .
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