Custom Bright Multi-Color (Blue/White/Red) 7-Segment LED Display for Kitchen

Product Specification

Custom Bright Multi-Color (Blue/White/Red) 7-Segment LED Display for Kitchen Hoods

Product Description

Introducing the Custom Bright Multi-Color 7-Segment LED Display—a kitchen hood-optimized solution engineered for gas cookers, range hoods, and kitchen appliances. Designed to prioritize customization flexibility, functional color differentiation, and harsh kitchen environment resilience, this display excels at showing kitchen-specific metrics: fan speed (e.g., “1/2/3”), timer counts (e.g., “05:00”), ambient temperature (e.g., “28°C”), or status alerts (e.g., “CLEAN” for filter maintenance).
With customizable digit sizes (0.25"–20"), digit counts (1–6 digits), and core color options (blue/white/red), it adapts to diverse kitchen hood designs—from compact residential models to large commercial range hoods. The white segments on black surface enhances contrast with bright multi-color light, cutting through kitchen grease, steam, and ambient glare (e.g., stove lights, sunlight) without eye strain.
With low current operation, IC compatibility, and RoHS compliance, this display thrives in high-temperature, high-humidity kitchen environments—ideal for 24/7 use in daily cooking scenarios.

Core Customization Options (Kitchen Hood-Focused)

1. Tailored Physical & Optical Design

Digit Size & Count:

Digit size: 0.25" (6.35mm) – 20" (508mm) (optimized for kitchen hoods: 0.36"–0.5" (9.2mm–12.7mm) for residential, 0.8"–1" (20.3mm–25.4mm) for commercial).

Digit count: 1–6 digits (1-digit for fan speed, 2–3 digits for temp/timer, 4–6 digits for multi-parameter displays like “SPEED 3 + TEMP 30°C”).

Color Customization:

Core colors (kitchen hood functional):

Red: High fan speed, overheat alerts, timer end reminders (high visibility for critical statuses).

Blue: Normal operation, low/medium fan speed, ambient temp (calm and non-distracting during cooking).

White: Timer counts, precision temp readouts, status messages (neutral and sharp for detailed information).

Optional colors: Yellow-green, green, yellow, pink, bi-color (for brand-specific designs or additional functional cues).

Surface & Segment Finish:

Standard: White segments on black surface (high contrast for kitchen use).

Optional: Gray/red surface (matches kitchen hood aesthetics—e.g., red surface for stainless steel hoods).

2. Functional & Segment Customization

Segment Types: 7-segment (basic digits 0-9), 14-segment (alphanumeric for statuses like “FAN”/“ERR”), 16-segment (full alphanumeric for detailed messages like “FILTER CLEAN”).

Additional Symbols: Integrate decimal points (for precision temp “24.5°C”), colon separators (for timer “03:30”), or custom icons (e.g., fan icon “⟳”, timer icon “⏱️”)—critical for intuitive kitchen hood operation.

Luminous Intensity: Customizable brightness (adjusted for kitchen use: 80-120mcd for residential, 120-150mcd for commercial) to balance visibility and eye comfort.

3. Environmental Adaptability Customization

Temperature Resistance: Optimized for kitchen heat (up to 105°C operating temp) to withstand hot air from stovetops and hood exhaust

Protection Enhancements: Optional protective film (resists grease, steam, and cleaning chemicals) or sealed casing (prevents moisture/oil ingress—extending lifespan in greasy kitchen environments).

Key Features (Kitchen Hood-Optimized)

1. Functional Color Coding for Intuitive Operation

Red (Critical Status): Instantly signals high fan speed (e.g., “3”), overheat alerts (e.g., “ERR”), or timer end (e.g., “00:00”)—draws attention to urgent actions without disrupting cooking.

Blue (Normal Operation): Indicates low/medium fan speed (e.g., “1/2”), ambient temperature (e.g., “25°C”), or standby mode—calm and non-intrusive, signaling stable performance.

White (Detailed Information): Displays timer counts (e.g., “05:00”), precision temperature (e.g., “180°C” for grill mode), or status messages (e.g., “CLEAN”)—sharp contrast ensures readability even with kitchen glare.

2. Kitchen-Resilient Performance

Low Current Operation: Minimal power draw reduces electricity use for kitchen hoods (running during daily cooking)—aligns with energy-saving home trends and cuts long-term utility costs.

Continuous Uniform Segments: No “hot spots” or dim edges across segments—ensures consistent readability of digits/symbols (e.g., “6” vs. “0”) even in steam-filled kitchens.

Stable Performance: Withstands temperature fluctuations (-10°C to 105°C), humidity, and minor vibrations (e.g., hood fan operation)—no flickering or segment failure during cooking sessions.

3. Easy Integration & Durability

IC Compatibility: Works with standard kitchen appliance driver ICs (e.g., TM1637, HT1621, MAX7219)—simplifies circuit design for manufacturers and integrates seamlessly with hood firmware (e.g., speed adjustment, timer logic, color-switching for status changes).

Easy PCB Mounting: Designed for direct PCB mounting, compatible with automated production lines—speeds up high-volume kitchen hood manufacturing and ensures secure, vibration-resistant installation.

Long Lifespan: High-quality LED chips and kitchen-grade materials match the 8–10 year service life of most kitchen hoods—eliminates frequent replacements, reducing maintenance hassle for users.

4. Compliance & Safety

RoHS Compliant: Free from lead, mercury, and harmful substances—safe for food-related kitchen use (no toxic emissions when exposed to heat/steam) and export to global markets (EU, North America, Asia).

Grease/Steam Resistant: Standard black surface + optional protective film repels grease and steam—avoids discoloration, corrosion, or short circuits, ensuring long-term clarity.

Technical Specifications (Base Configuration, Fully Customizable)

Category	Base Parameter	Customization Range (Kitchen Hood-Optimized)
Basic Design	Display Type	7/14/16-Segment LED (alphanumeric optional)
	Digit Count	1–6 digits
	Digit Size	0.25" (6.35mm) – 20" (508mm); Recommended: 0.36"–0.5" (residential), 0.8"–1" (commercial)
	Segment/Surface Finish	White segments on Black surface; Optional: Gray/red surface
Optical Performance	Emitting Colors	Core: Blue/White/Red; Optional: Yellow-green/Green/Yellow/Pink/Bi-color
	Luminous Intensity	80–150mcd (adjustable for kitchen visibility)
Electrical Parameters	Polarity	Common Cathode/Common Anode (customizable)
	Forward Voltage (VF)	1.8-2.2V (red/yellow); 2.8-3.2V (blue/green/white)
	Forward Current	5-10mA per LED (low current operation)
Quality & Compliance	Core Advantages	Customizable, high brightness, stable performance, kitchen-resistant
	Compliance	RoHS Compliant

 

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.

Certifications

Office and Factory Overview

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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.