Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You!
Your requirement has been sent. we will contact you quickly!
{"title":"Triple Digit 0.4inch 7 Segment LED Display Ultra Bright White","imgUrl":"https:\/\/img.chinax.com\/nimg\/92\/d7\/e5799fecd45c4131dc8883885607-200x200-1\/triple_digit_0_4inch_7_segment_led_display_ultra_bright_white.jpg","attrs":{"Brand Name":"LIGHT-BO","Model Number":"LB30401LWH3B-D","Certification":"ISO9001&RoHS","Place of Origin":"Shenzhen, China"}}
{"title":"Bi-Colour Red And Green 3 Digit 0.56" 7 Segment LED Display Common Cathode For","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/8a\/fcf45bc27acb87c7b22cae6a1358-200x200-1\/bi_colour_red_and_green_3_digit_0_56_22_7_segment_led_display_common_cathode_for_temperature_controlle.jpg","attrs":{"Brand Name":"LIGHTBO","Model Number":"LB30561NRG1B-D","Place of Origin":"SHENZHEN\uff0cCHINA","Certification":"ISO9001&ROHS"}}
{"title":"1.0 inch Common Cathode Single digit 7 Segment LED Display For Elevator Position","imgUrl":"https:\/\/img.chinax.com\/nimg\/63\/dd\/b1ddc6c6ccdf118d3c17d45cb674-200x200-1\/1_0_inch_common_cathode_single_digit_7_segment_led_display_for_elevator_position_indicator.jpg","attrs":{"Brand Name":"LIGHTBO","Model Number":"LB11003BR1B-H10","Certification":"RoHS&SGS&ISO","Place of Origin":"Shenzhen,China"}}
{"title":"0.36 Inch Red Dual Digit 7 Segment LED Displays High Brightness For Electronic","imgUrl":"https:\/\/img.chinax.com\/nimg\/e6\/86\/018997fefaedda21a10b05e3d800-200x200-1\/0_36_inch_red_dual_digit_7_segment_led_displays_high_brightness_for_electronic_device.jpg","attrs":{"Place of Origin":"Shenzhen,China","Brand Name":"LIGHTBO","Price":"Negotiable","Packaging Details":"EPE+CARTON"}}
{"title":"Green Small Custom Two Digit 7 Segment Led Display For Instrument Panel 0.4 Inch","imgUrl":"https:\/\/img.chinax.com\/nimg\/03\/76\/583ea0971e1dab5e7f3ec55d4529-200x200-1\/green_small_custom_two_digit_7_segment_led_display_for_instrument_panel_0_4_inch.jpg","attrs":{"Place of Origin":"Shenzhen,China","Brand Name":"LIGHTBO","Price":"Negotiable","Packaging Details":"EPE+CARTON"}}
{"title":"Instrument Panel 7 Segment LED Display Single Digit 0.8 Inch Low Power","imgUrl":"https:\/\/img.chinax.com\/nimg\/81\/72\/7ea47a2803c3b3cd7b36894037b7-200x200-1\/instrument_panel_7_segment_led_display_single_digit_0_8_inch_low_power_consumption.jpg","attrs":{"Brand Name":"LIGHTBO","Model Number":"LB10804AWH3B","Certification":"RoHS&SGS&ISO","Place of Origin":"Shenzhen,China"}}
{"title":"Low Power 4 Digit 7 Segment Led Display High Limunous Intensity For Timer Clock","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/46\/c31bf4455781d6fb082b63351e97-200x200-1\/low_power_4_digit_7_segment_led_display_high_limunous_intensity_for_timer_clock.jpg","attrs":{"Brand Name":"LIGHTBO","Certification":"RoHS&SGS&ISO","Place of Origin":"Shenzhen,China","Minimum Order Quantity":"1000PCS"}}
0.4-Inch Triple-Digit 7-Segment LED Display – Ultra Bright White for Versatile Numeric Readouts
Product Overview This triple-digit 7-segment LED display is engineered for high-visibility, energy-efficient numeric communication across consumer, commercial, and industrial devices—featuring a 0.4-inch size, ultra bright white emission, and industrial standard sizing. Designed to balance performance and practicality, it leverages optimized forward voltage to deliver exceptional luminous intensity while minimizing power consumption and current draw—ideal for both battery-powered tools and 24/7 operated equipment. With evenly distributed luminosity across all segments, reliable performance in bright ambient light, and a long lifespan, it meets RoHS/REACH compliance and adapts seamlessly to diverse use cases: from multimedia products to precision indicators (temperature, humidity, process metrics). Its compact, industry-standard form factor ensures easy integration into existing designs, making it a versatile solution for any application requiring crisp, consistent triple-digit readouts.
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:R-Ultra bright white
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Forward Voltage(Per dice)
Vf
If=10mA
2.8
3.2
V
Reverse Voltage(Per dice)
Vr
Ir=10uA
5
V
Luminous Intensty(Per dice)
Iv
If=10mA
100
140
mcd
Spectrum With Of Half Value
λ
If=10mA
20
nm
Color Temperature
If=10mA
6000
6500
K
LED working lifetime 100,000hrs Absolute Maximum Rating at Ta=25ºC
Main Image
Detail Image
Key Specifications
Specification
Details
Display Type
Triple-digit (3-digit) 7-segment LED numeric display
Character Size
0.4 inches – balanced for readability (1-2m viewing) and compactness
Emitting Color
Ultra bright white (neutral, high-contrast for universal visibility)
Core Electrical Traits
Optimized forward voltage (for high luminous intensity), low power consumption, extremely low current
Luminosity
Evenly distributed across all segments (no hotspots or dim edges)
Form Factor
Industrial standard size (compatible with off-the-shelf PCBs/enclosures)
Environmental Performance
Excellent reliability in bright ambient light (no fading in sunlight/strong indoor lighting)
Compliance
RoHS/REACH compliant (free from restricted substances/hazardous chemicals)
Core Product Features 1. Ultra Bright Visibility for All Environments Ultra bright white emission + optimized forward voltage: The white hue delivers exceptional contrast against most device housings (black, gray, or white appliance panels) and cuts through bright ambient light—from sunlit retail displays to industrial factory floors. The optimized forward voltage ensures maximum luminous intensity without wasting power, making digits (0-9, plus decimal points for precision) readable at a glance. Critical for applications like process indicators or temperature monitors, where misreading a value could lead to operational errors. Evenly distributed luminosity: Light spreads uniformly across all 3 digits and 7 segments, eliminating "dark spots" or faded edges that distort numbers (a partially dim "8" mistaken for "3" in production counts). This consistency guarantees reliable readability across the display’s entire lifespan, reducing the need for frequent replacements. 2. Energy Efficiency for Sustained Use Low power consumption + extremely low current: Minimizes energy draw, offering dual benefits for end-users and manufacturers: Battery-powered devices: Portable thermometers, handheld humidity meters, or wireless process sensors (extends battery life by 30-40% vs. higher-current displays, reducing replacement frequency). 24/7 operated equipment: Industrial process monitors, home appliance control panels (refrigerator thermostats), or multimedia devices (set-top boxes) – cuts long-term electricity costs and reduces heat generation (critical for enclosed electronics). 3. Industrial-Grade Reliability & Durability Stable performance + long lifespan: Built with high-quality LED chips and robust encapsulation to resist voltage fluctuations (common in home/industrial power circuits) and mechanical vibration (in factory equipment or portable tools). Supports 50,000+ hours of continuous operation (over 5 years of 24/7 use), ensuring consistent functionality in high-use environments. Industrial standard size: Compatible with off-the-shelf PCBs, sockets, and enclosures—no custom machining or modified hardware needed. Simplifies integration into existing designs (upgrading old process indicators or retrofitting multimedia products) and speeds up production for manufacturers, reducing R&D time and costs. 4. Regulatory Compliance & Versatility RoHS/REACH compliant: Free from lead, mercury, cadmium (RoHS) and hazardous chemicals (REACH), meeting global regulations for consumer electronics, industrial equipment, and multimedia devices. Ensures eligibility for export to key markets like the EU, North America, and Asia, and aligns with eco-friendly product initiatives (sustainable smart home lines, energy-efficient industrial tools). Universal application fit: The triple-digit layout is ideal for values requiring 1-3 digits, making it suitable for: Temperature/humidity: "-20°C" to "99°C", "0-99% RH". Process metrics: "0-999kPa" (pressure), "0-999L/min" (flow rate). Multimedia: "001-999" (channel numbers), "00:00-99:59" (playback time). Target Applications Optimized for triple-digit numeric display needs across consumer, commercial, and industrial sectors: Numeric Displays: Retail price tags , queue number indicators , or digital signage. Multimedia Products: Set-top boxes , media players , or gaming consoles. Temperature/Humidity Indicators: Industrial thermostats, home smart humidistats, or warehouse environmental monitors. Process Indicators: Factory production counters , pressure gauges , flow rate monitors, or chemical dosage indicators.
Application Scenario Image
Why Choose This Triple-Digit 7-Segment Display? This display solves the "visibility vs. efficiency" challenge for triple-digit devices: Its ultra bright white emission ensures readability in any lighting, from dim basements to sunlit retail spaces—eliminating the need for additional backlighting.Low power consumption and long lifespan reduce operational costs for end-users and maintenance needs for industrial facilities.Industrial standard sizing and regulatory compliance simplify integration and global distribution for manufacturers, making it a cost-effective, versatile choice.For brands building numeric displays, multimedia products, or precision indicators, this 0.4-inch ultra bright white triple-digit 7-segment LED display delivers reliability, efficiency, and practical value tailored to diverse use cases.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
10million-12million
Employee Number:
150~200
Ecer Certification:
Verified Supplier
Shenzhen Guangzhibao (Light-Bo) Technology Co. Ltd is specialized in LED products, including LED 7 segment numeric displays, alphanumeric LED displays,dot-matrix LED Displays, SMD LEDs, LED lamps,LCD backlights,LED light bar, bar gragh arrays and LED direction indicator displays and more.
We offer ... Shenzhen Guangzhibao (Light-Bo) Technology Co. Ltd is specialized in LED products, including LED 7 segment numeric displays, alphanumeric LED displays,dot-matrix LED Displays, SMD LEDs, LED lamps,LCD backlights,LED light bar, bar gragh arrays and LED direction indicator displays and more.
We offer ...