| Sign In | Join Free | My futurenowinc.com | 
 | 
| Categories | 7 Segment LED Display | 
|---|---|
| Brand Name: | LIGHT-BO | 
| Model Number: | LB30401LBH3B-D | 
| Certification: | ISO9001&RoHS | 
| Place of Origin: | Shenzhen, China | 
| MOQ: | 1000 | 
| Price: | Negotiate | 
| Payment Terms: | T/T,Western Union | 
| Supply Ability: | 50000PCS/Days | 
| Delivery Time: | 10-15 days | 
| Packaging Details: | EPE+CARTON | 
| Brightness: | Ultra Brightness | 
| Name: | 7 segment led display | 
| Life span: | over 70000hours | 
| Outer dimensions: | 30.1*16*7MM | 
| Digit Height: | 0.4inch | 
| Shipping: | By DHL, TNT, UPS, EMS, etc. | 
| Pixels: | 9.20mm | 
| Emitting color: | blue, yellow, green, white, red, amber,orange | 
| Forward Voltage: | 2.6-3.0 | 
| Forward Current: | 5-10 | 
| Wavelength: | 460-470 | 
| Material: | Yellow Epoxy black surface | 
| Company Info. | 
| Shenzhen Guangzhibao Technology Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
High-Efficiency LED Numeric/Alphanumeric Display – Optimized for
Smart Appliances & Visible Readouts
Product Overview
This LED display is engineered for high-efficiency, high-visibility
numeric and alphanumeric readouts across smart devices and
industrial indicators—with core advantages rooted in optimized
forward voltage and precision voltage regulation. It delivers
maximum brightness output while slashing energy expenditure,
ensuring no compromise between performance and efficiency—critical
for 24/7 operated devices like kitchen appliances or process
monitors. Fully compliant with RoHS and REACH regulations, it
adapts to diverse use cases: from smart kitchen/laundry appliances
(e.g., microwave timers, washer cycle status) to digital media
devices (e.g., AV receivers) and industrial indicators (e.g.,
temperature, humidity, process metrics). Whether displaying simple
numbers (0-9) or alphanumeric messages (e.g., "LOADING", "ERROR
1"), it balances clarity, durability, and eco-friendliness, making
it a versatile solution for consumer electronics and industrial
applications.
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 sec) | Th | 260 | ºC | 
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 Intensity | Iv | If=10mA | 120 | 140 | mcd | |
| Spectrum With Of Half Value | △λ | If=10mA | 20 | nm | ||
| Wavelength | Dλ | If=10mA | 460 | 465 | nm | 
| LED working lifetime 100,000hrs Absolute Maximum Rating at Ta=25ºC | 
Main Image


Core Product Features (Efficiency & Performance Focus)
1. Optimized Forward Voltage for Maximum Efficiency
Tailored forward voltage design: Unlike generic displays with one-size-fits-all voltage
requirements, this display’s forward voltage is optimized to match
common low-voltage circuits (1.8-3.2V for LEDs). This minimizes
energy waste from voltage conversion, directly reducing power
consumption by 20-30% compared to standard displays—ideal for
battery-powered devices (portable temperature monitors) or
energy-efficient smart appliances (e.g., ENERGY STAR-certified
washers).
Precision voltage regulation: Built-in voltage stabilization ensures consistent current flow to
each segment/dot, even when power supplies fluctuate (kitchen
outlets with varying voltage). This guarantees maximum brightness
output at all times—no dimming during peak appliance use (e.g.,
when a microwave and toaster run simultaneously) and no
over-brightness that wastes energy.
2. High Visibility Without Energy Tradeoffs
Reduced energy expenditure, uncompromised brightness: The efficiency-focused design eliminates the "brightness vs.
energy" dilemma. It maintains vivid, readable output (suitable for
high-visibility needs, kitchen appliances viewed across a room or
industrial indicators in busy factories) while using less power
than traditional displays. For example, a smart oven with this
display uses ~50% less energy for its readout than one with a
standard LED display—adding up to significant long-term savings for
users.
Adaptable to numeric/alphanumeric needs: Whether configured as a 7-segment (numeric) or 16-segment
(alphanumeric) display, it retains efficiency and brightness. This
flexibility allows it to display simple values ("25°C" for
temperature) or complex messages ("CYCLE COMPLETE" for a washer),
making it a one-stop solution for diverse device types.
3. Global Regulatory Compliance
RoHS/REACH compliant: Free from restricted substances (lead, mercury, cadmium per RoHS)
and hazardous chemicals (per REACH), ensuring compliance with
global consumer electronics and industrial regulations. This
eliminates barriers to export for brands targeting markets like the
EU, North America, and Asia, and aligns with eco-friendly product
initiatives (sustainable smart home lines).
Detail Image

Target Applications
Designed for efficiency-critical, visibility-focused devices across
consumer and industrial sectors:
Kitchen/Laundry Smart Appliances:
Microwaves: Displaying cook time ("03:30") or power levels ("70%").
Washers/Dryers: Showing cycle stages ("SPIN") or remaining time ("15:00").
Refrigerators: Indicating internal temperature ("5°C / -18°C") or water filter
status ("REPLACE").
High-Visibility Numeric Readouts:
Industrial process indicators: Displaying pressure ("120kPa"), flow rate ("5L/min"), or
production counts ("1500 units").
Public area displays: Queue numbers ("CALL 208") or digital signage ("EXIT 50M").
Digital Media & Entertainment Devices:
AV receivers: Volume levels ("45") or input sources ("BT" for Bluetooth).
Set-top boxes: Channel numbers ("1080") or playback time ("30:15").
General Digital Indicators:
Temperature/humidity monitors: Indoor/outdoor metrics ("22°C / 55% RH").
Portable test tools: Battery voltage ("3.7V") or sensor readings ("PH 7.0").
Why Choose This High-Efficiency LED Display?
This display solves two key pain points for device manufacturers
and end-users:
For manufacturers: It simplifies compliance with global energy and environmental
regulations (RoHS/REACH) while offering flexibility for
numeric/alphanumeric use cases—reducing the need for multiple
display SKUs.
For end-users: It cuts long-term energy costs (especially for 24/7 devices)
without sacrificing readability, making it ideal for smart homes,
busy kitchens, or industrial facilities.Whether integrated into a
smart washer, industrial process monitor, or AV device, this LED
display delivers efficiency, visibility, and compliance—making it a
reliable choice for modern, eco-conscious products.
|   | 
 Bi-Colour Red And Green 3 Digit 0.56" 7 Segment LED Display Common Cathode For Temperature Controlle
                                                                                        
                                                        
                        
                        
                        
                                                            Bi-Colour Red And Green 3 Digit 0.56" 7 Segment LED Display Common Cathode For Temperature Controlle
                                                    
                        
                     1.0 inch Common Cathode Single digit 7 Segment LED Display For Elevator Position Indicator
                                                                                        
                                                        
                        
                        
                        
                                                            1.0 inch Common Cathode Single digit 7 Segment LED Display For Elevator Position Indicator
                                                    
                        
                     0.36 Inch Red Dual Digit 7 Segment LED Displays High Brightness For Electronic Device
                                                                                        
                                                        
                        
                        
                        
                                                            0.36 Inch Red Dual Digit 7 Segment LED Displays High Brightness For Electronic Device
                                                    
                        
                     Green Small Custom Two Digit 7 Segment Led Display  For Instrument Panel 0.4 Inch
                                                                                        
                                                        
                        
                        
                        
                                                            Green Small Custom Two Digit 7 Segment Led Display  For Instrument Panel 0.4 Inch
                                                    
                        
                     Instrument Panel 7 Segment LED Display Single Digit 0.8 Inch Low Power Consumption
                                                                                        
                                                        
                        
                        
                        
                                                            Instrument Panel 7 Segment LED Display Single Digit 0.8 Inch Low Power Consumption
                                                    
                        
                     Low Power 4 Digit 7 Segment Led Display High Limunous Intensity For Timer Clock
                                                                                        
                                                        
                        
                        
                        
                                                            Low Power 4 Digit 7 Segment Led Display High Limunous Intensity For Timer Clock
                                                    
                        
                     One Digit Graphics 7 Segment LED Display Full Color Indoor RoHS CE Approved
                                                                                        
                                                        
                        
                        
                        
                                                            One Digit Graphics 7 Segment LED Display Full Color Indoor RoHS CE Approved
                                                    
                        
                     CC/CA Polarity 3digit 7 Segment LED Display Common Anode 37.6 X 19mm Outer Dimension
                                                                                        
                                                        
                        
                        
                        
                                                            CC/CA Polarity 3digit 7 Segment LED Display Common Anode 37.6 X 19mm Outer Dimension
                                                    
                        
                     0.39 Inch single digit  7 Segment LED Display Common Anode Digital Indicator Instrument Panel
                                                                                        
                                                        
                        
                        
                        
                                                            0.39 Inch single digit  7 Segment LED Display Common Anode Digital Indicator Instrument Panel
                                                    
                        
                     Common Anode Triple Digit 7 Segment Display Part Number 0.39 inch  Home Appliances
                                                                                        
                                                        
                        
                        
                        
                                                            Common Anode Triple Digit 7 Segment Display Part Number 0.39 inch  Home Appliances