LED light bar(rectangular ,12 bars)

Series No:





30.4 x 10.1 x 8





LED light bar(rectangular,12 bars)
Lightbar LED


In the dynamic world of electronics, the 12 segment LED light bar graph stands as a beacon of innovation and versatility. Catering to a wide array of applications, this sophisticated technology, often referred to as an “LED array” or “12 segment led bar graph,” represents a leap forward in visual indication solutions. This comprehensive exploration delves into its features, applications, benefits, complemented by insightful case studies and genuine user testimonials, aiming to inform and inspire electronics manufacturers, engineers, purchasers, and administrators.

Innovative Features of the 12 Segment LED Light Bar Graph

The 12 segment LED light bar graph, with its rectangular configuration, is celebrated for its precision and flexibility. Each segment of the LED array can be individually lit, offering a clear and dynamic method for displaying numerical values, signal strength, or progress indicators. Its ability to showcase a spectrum of colors, especially in RGB LED bar graph configurations, adds a layer of visual appeal and functional versatility, making it a preferred choice for designers and engineers.

Applications Across Industries

The utility of the 12 segment LED display transcends beyond mere visual cues; it’s pivotal in sectors ranging from audio visual equipment, where it visualizes volume levels, to automotive dashboards, indicating fuel levels and engine status. The adaptability of the RGB LED bar graph version further extends its use into entertainment and mood lighting, providing a colorful and interactive experience.

Unveiling the Benefits

Adopting the 12 segment LED light bar graph into electronic projects brings forth numerous advantages. Its energy efficiency stands out, minimizing power consumption while maximizing lifespan — a critical consideration in sustainable electronic design. Additionally, the clarity and versatility of the display enhance user interfaces, making devices more intuitive and engaging for end-users.

Case Studies: Transformative Impact

One notable application is found in professional audio equipment, where a leading brand has integrated the 12 segment RGB LED bar graph for real-time visual feedback on sound levels, enhancing the accuracy of adjustments made by sound engineers. Another example is in consumer electronics, where a new line of smart home devices uses these LED arrays to indicate operational status and interaction prompts, significantly improving the user experience.

User Testimonials: First-Hand Experiences

Electronics engineers and users alike have praised the 12 segment LED light bar graph for its reliability and performance. “The precision and vibrant display of the LED array have significantly improved our product’s appeal and functionality,” shares an electronics product manager. These testimonials underline the transformative potential of incorporating such advanced visual indicators into electronic devices.


The 12 segment LED light bar graph exemplifies the intersection of technology and creativity in electronics, offering an array of benefits that extend from enhanced energy efficiency to improved user interfaces. Its broad application spectrum and the transformative impact underscored by case studies and user testimonials affirm its value to the electronics industry. Embracing this technology can lead to innovative developments and elevated user experiences across various electronic devices.

Call to Action: Elevate your electronics projects with the innovative and versatile 12 segment LED light bar graph, unlocking new dimensions of user engagement and design aesthetics.

LED light bar(rectangular ,12 bars)
LED light bar(rectangular ,12 bars)


  • Display Area Shape: Rectangular, providing clear and distinct areas for illumination.
  • Display Area Number: Features 12 individual display areas, offering versatility in displaying information.
  • Reflector Dimensions: Length of 30.40mm and width of 10.10mm.
  • Uniform Light Emitting Area: Ensures consistent and even lighting across each display area.
  • Low Current Operation: Energy-efficient, reducing electrical power consumption.
  • Wide Viewing Angle: Allows the display to be easily visible from different angles.
  • Easily Mounted on P.C. Boards: Designed for straightforward integration into electronic systems.
  • Flush Mountable: Can be installed to align seamlessly with the surface, providing a clean and integrated look.
  • Excellent On/Off Contrast: Offers clear visibility, enhancing the distinction between illuminated and non-illuminated states.
  • Can be Used with Panels and Legend Mounts: Versatile in terms of mounting options, suitable for different types of panels.
  • Categorized for Luminous Intensity: Ensures consistent brightness across different units.
  • Different Colors in One Unit Available: Provides options for various color displays, enhancing customization.
  • Standard: Black Face, White Segment: Classic and easily readable appearance.
  • RoHS Compliance: Meets environmental and safety standards.


  • Signal and Status Indicators: Ideal for applications requiring multiple indicators, such as control panels, machinery, and electronic devices.
  • Information Displays: Suitable for displaying sequential or progressive information in systems or devices.
  • Level Indicators: Can be used to indicate levels or stages in various applications, such as battery level indicators or progress bars.
  • Automotive Dashboards: Appropriate for use in automotive dashboards to display various vehicle statuses and alerts.
  • Audio Equipment: Useful in audio equipment for visualizing levels, settings, or modes.
  • Safety and Emergency Equipment: Suitable for indicating statuses or alerts in safety and emergency equipment.
  • Consumer Electronics: Can be integrated into consumer electronics for display or indication purposes, such as Wi-Fi signal strength or volume levels.

RoHs Compliance, Pb-free              Anti-Static Attention

Electrical-optical characteristics:
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LED light bar(rectangular ,12 bars)

All dimensions are in millimeters(inches)
Tolerance is +-0.25(0.01″) unless otherwise note
Specifications are subject to change without notice.

Partno description:

LED light bar is widely applied in instrument show box, elevator,etc

Part No of LED light bar display

Related Information

Applied for:
level displayheateraudiolift indicatorroad signal

1. Application
The Seven Segment LED is widely applied for ordinary electronic equipment (such as office equipment,
communication equipment and household applications). Checking with BETLUX’s Sales in
advance for information on applications in which exceptional reliability is required, particularly
when the failure or malfunction of the LEDs may directly jeopardize life or health (such as in
aviation, transportation, traffic control equipment, medical and life support systems and safety

2. Storage
The storage ambient for the Seven Segment LED should not exceed 30℃ temperature or 70% relative humidity.
For extended storage out of their original packaging, it is recommended that the Seven Segment LEDs be stored
in a sealed container with appropriate desiccant, or in a desiccator with nitrogen ambient.

3. Cleaning
Avoid using any unspecified chemical solvent to clean LED . For example, Trichloroethylene, Chlorosen, Acetone, and Diflon S3MC.
Any cleaning method can only be taken under normal temperature in one minute or less if it is required.
Use water to clean the Seven Segment LED if necessary under room temperature
dry it immediately after that.

Any unsuitable stress applied to the epoxy may break bonding wires in LED
Any forming on lead pin must be done before soldering, not during or after soldering.
Avoid applying any stress to resin in order to prevent the epoxy fracture and break on bonding wire.
While forming, please use a tie bar cut or equivalent to hold or bend the pin.
2mm from the base of resin is the minimum distance for the place bending the lead pin.
Avoid bending the lead pin at the same point twice or more.

seven segment display forming caution


When soldering, leave a minimum of 2mm clearance from the base of the base of the lens to the soldering point. Dipping the lens into the solder must be avoided.

Do not apply any external stress to the lead frame during soldering while the LED is at high temperature.

Recommended soldering conditions:


IR Reflow Soldering (for SMD display)Wave SolderingSoldering Iron
Pre-Heat150-180°CPre-Heat100°C Max.Temperature300°C Max.
Pre-Heat Time120sec Max.Pre-Heat Time60sec Max.
Peak Temperature260°C Max.SolderWave260°C Max.Soldering Time3sec Max.(one time only)
Soldering Time10 sec Max.Soldering Time5sec Max.

Note: Excessive soldering temperature and/or time might result in deformation of the LED lens or failure of the LED

ESD(Electrostatic Discharge)

Static Electricity or power surge will damage the LED.

Suggestions to prevent ESD (Electrostatic Discharge):

n Use a conductive wrist band or anti-electrostatic glove when handling these LEDs

n All devices, equipment, and machinery must be properly grounded

n Work tables, storage racks, etc. should be properly grounded

n Use ion blower to neutralize the static charge which might have built up on surface of the LED’s

 plastic lens as a result of friction between LEDs during storage and handling

ESD-damaged LEDs will exhibit abnormal characteristics such as high reverse leakage current, 

low forward voltage, or “no light on” at low currents. To verify for ESD damage, check for “light on” 

and Vf of the suspect LEDs at low currents.

The Vf of “good” LEDs should be>2.0V@0.1mA for InGaN product and >1.4V@0.1mA for AlInGaP


antistatic notice-smd led

LED dirve IC by  Maxim Integrated

 MAX6959  4½-Digit LED Display Driver

 MAX6958  4½-Digit LED Display Driver

 MAX6955  7-, 14-, 16-Segment LED Display Driver

 MAX6956  LED Static Display Driver and I/O Port

 MAX6954  7-, 14-, 16-Segment LED Display Driver

 MAX6952  5 x 7 Matrix LED Display Driver

 MAX6957  LED Static Display Driver and I/O Port

MAX6950  5-Digit LED Display Driver

 MAX6951  8-Digit LED Display Driver

 ICM7212  4-Digit LED Driver

 ICM7212A  4-Digit LED Driver

 ICM7212AM  4-Digit LED Driver

 ICM7212M  4-Digit LED Driver

 ICM7218A  8-Digit LED Driver

 ICM7218B  8-Digit LED Driver

 ICM7218C  8-Digit LED Driver

 ICM7218D  8-Digit LED Driver

 MAX7221  8-Digit LED Display Driver

 MAX7219  8-Digit LED Display Driver

 provide in-depth design and IC selection help for design engineers.  Each solution is dedicated to a popular end-equipment type and features design information, circuits and a block diagram.   Within a block diagram, click on a block to view best-fit integrated circuits recommended by Maxim engineers.

When selecting power for LED systems, it’s essential to understand several key parameters to ensure safe operation, longevity, and optimal performance. Here are some steps and considerations for LED power selection:

  • Determine the Forward Voltage (Vf) of the LED(s):

Each LED has a forward voltage, which is the voltage at which the LED operates when the current is flowing through it. This value can typically be found in the LED’s datasheet.

  • Determine the Forward Current (If) of the LED(s):

The forward current is the current at which the LED is designed to operate. Running an LED at higher than its rated current can reduce its lifespan and increase the heat it produces.

  • Decide on the Configuration:

Series Configuration: When LEDs are connected in series, the forward voltages add up, but the current remains the same.

Parallel Configuration: When LEDs are connected in parallel, the forward voltage remains the same, but the currents add up. This configuration can be risky because if one LED fails or has a slightly lower forward voltage, it can cause the other LEDs to draw more current.

Calculate Total Power Requirements:

Power (W) = Total Forward Voltage (V) x Total Forward Current (A)

For example, if you have three LEDs connected in series, each with a forward voltage of 3V and a forward current of 20mA, the total power requirement would be:

Power = (3V + 3V + 3V) x 20mA = 9V x 0.02A = 0.18W

  • Select an Appropriate Power Supply:
  • Voltage Rating: The power supply voltage should match or slightly exceed the total forward voltage of your LED configuration.
  • Current Rating: The power supply’s current rating should meet or exceed the total forward current of your LED configuration.
  • Safety Margin: It’s a good practice to select a power supply that can provide at least 20% more power than your calculated requirement. This ensures the power supply isn’t operating at its maximum capacity, which can extend its life and ensure safer operation.
  • Consider Additional Features:
  • Dimming Capability: If you want to control the brightness of your LEDs, choose a power supply with dimming capabilities.
  • Overcurrent and Overvoltage Protection: To protect your LEDs, select a power supply with built-in protection mechanisms.
  • Thermal Management: Ensure that the power supply has adequate cooling, especially if it will be enclosed or in a location with limited airflow.
  • Regulation and Efficiency:A power supply with good regulation will maintain a consistent voltage output despite variations in the load. High efficiency ensures minimal power is wasted as heat.
  • Physical Size and Form Factor:Depending on where you plan to place the power supply, its size and shape may be critical factors.

In summary, when selecting power for LED systems, understanding your LED’s requirements and the configuration you plan to use is essential. Then, pick a power supply that meets those needs with some added safety margin, keeping in mind any additional features or constraints relevant to your project.

Here are some well-regarded brands in the industry:

  • Mean Well: One of the most recognized brands in the LED power supply industry, Mean Well offers a wide range of products suitable for both indoor and outdoor applications. Their units often come with features like overcurrent protection, dimming capabilities, and high efficiency.
  • Tridonic: A global leader in lighting technology, Tridonic offers LED drivers and power supplies that cater to various lighting solutions, from simple setups to advanced smart lighting systems.
  • Philips Advance Xitanium: Philips is a well-known brand in the lighting industry, and their Xitanium series of LED drivers are known for reliability and performance. They cater to both indoor and outdoor LED applications.
  • Osram: Another giant in the lighting industry, Osram offers a range of LED drivers and power supplies suitable for various applications, including architectural and street lighting.
  • LIFUD: Specializing in LED drivers, LIFUD is known for its high-quality products that cater to both commercial and residential LED lighting solutions.
  • MOSO: This brand offers a variety of LED drivers, especially for outdoor and industrial applications. Their products are known for durability and performance.
  • TDK-Lambda: With a history in power electronics, TDK-Lambda offers a range of power supplies and LED drivers suitable for various applications, emphasizing reliability and advanced features.
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