
In the electronics display market, the 4.0 inch dual-digit seven segment LED display marks a significant advancement, offering unparalleled clarity and size for a variety of applications. This detailed exploration aims to unpack the features, benefits, applications, and real-world impact of these displays, tailored for electronics manufacturers, engineers, purchasers, and administrators.
Unveiling the 4 Inch Seven Segment Display
The 7 segment 4 inch display, also known as the 4 in 7 segment display, is a marvel of modern display technology. It offers a larger visual interface for devices requiring numeric displays that are easily readable from a distance. This enhanced visibility is crucial in applications where information needs to be conveyed quickly and accurately to the user.
Key Features and Advancements
The 4.0 inch dual-digit seven segment LED display stands out with its high brightness, wide viewing angle, and low power consumption. Its robustness makes it suitable for both indoor and outdoor environments, ensuring versatility across various applications.
Applications and Industry Use Cases
These displays are extensively used in public information boards, digital clocks, counters, and high-performance measuring instruments. Their ability to deliver clear, concise information makes them invaluable in sectors ranging from industrial control systems to consumer electronics.
Benefits for the Electronics Sector
The main advantages of incorporating the 4 inch seven segment display into electronic products include improved user experience, enhanced product aesthetics, and the capability to operate in diverse environmental conditions. Their efficiency and reliability can significantly reduce maintenance costs and increase the lifespan of electronic devices.
Case Studies: Transformative Impact
Illustrative case studies will showcase the transformative impact of these displays in real-world scenarios. Success stories from leading electronics manufacturers will highlight the efficiency gains and the enhanced user engagement achieved through the adoption of these displays.
User Testimonials
Gathering insights from engineers and purchasers who have firsthand experience with the 4.0 inch dual-digit seven segment LED display will underline its practical benefits, including ease of integration and operational reliability.
Looking Ahead: The Future of Large-Scale Displays
As technology advances, the potential applications and innovations surrounding the 7 segment 4 inch display continue to expand. This section will explore emerging trends and the future prospects of large-scale display technologies.
Conclusion: The Value of Upgrading to 4 Inch Seven Segment Displays
Adopting the 4.0 inch dual-digit seven segment LED display represents a forward-thinking choice for electronics manufacturers aiming to enhance the functionality and appeal of their products. This conclusion will reaffirm the display’s value proposition and encourage stakeholders to consider its integration into their next project.
Call to Action
Electronics manufacturers, engineers, and purchasers are invited to explore the benefits and applications of the 4.0 inch dual-digit seven segment LED display to elevate their products and projects with superior display technology.

Features of 4.0 Inch Dual-Digit Numeric LED Display:
- Large digit height: 20.30mm for enhanced visibility.
- Dimensions: 35.80mm x 25.80mm for a compact display.
- Low current operation for energy efficiency.
- Options for both Common Anode and Common Cathode configurations.
- Excellent character appearance for clear readability.
- High light output for improved visibility in various environments.
- RoHS compliant for environmental considerations.
Possible Applications:
- Digital clocks.
- Counters and timers.
- Scoreboards and sports displays.
- Industrial process monitoring.
- Measurement and testing equipment.
- Digital signage.
- Instrumentation panels.
- Temperature and humidity displays.
- Information displays in public spaces.
- Customized numeric display projects.
Part No. (Cathode) | Part No. (Anode) | Emitting Color | Material | Peak Wavelength (nm) | Voltage typ.(v) | Voltage max. (v) | Luminous min | Luminous typ |
---|---|---|---|---|---|---|---|---|
BL-D400A-21B-XX |
BL-D400B-21B-XX |
Ultra Blue |
InGaN |
470 |
4.2 |
200 |
||
BL-D400A-21D-XX |
BL-D400B-21D-XX |
Super Red |
GaAlAs/GaAs,DH |
660 |
2.2 |
260 |
||
BL-D400A-21E-XX |
BL-D400B-21E-XX |
Red |
GaAsP/GaP |
635 |
2.5 |
150 |
||
BL-D400A-21G-XX |
BL-D400B-21G-XX |
Green |
GaP/GaP |
570 |
2.5 |
120 |
||
BL-D400A-21PG-XX |
BL-D400B-21PG-XX |
Ultra Pure Green |
InGaN |
525 |
4.5 |
300 |
||
BL-D400A-21S-XX |
BL-D400B-21S-XX |
Hi Red |
GaAlAs/GaAs,SH |
660 |
2.2 |
150 |
||
BL-D400A-21UE-XX |
BL-D400B-21UE-XX |
Ultra Red |
AlGaInP |
630 |
2.5 |
160 |
||
BL-D400A-21UG-XX |
BL-D400B-21UG-XX |
Ultra Green |
AlGaInP |
574 |
2.5 |
260 |
||
BL-D400A-21UHR-XX |
BL-D400B-21UHR-XX |
Ultra Red |
AlGaInP |
645 |
2.5 |
300 |
||
BL-D400A-21UR-XX |
BL-D400B-21UR-XX |
Ultra Red |
GaAlAs/GaAs,DDH |
660 |
2.2 |
300 |
||
BL-D400A-21UY-XX |
BL-D400B-21UY-XX |
Ultra Yellow |
AlGaInP |
590 |
2.5 |
160 |
||
BL-D400A-21W-XX |
BL-D400B-21W-XX |
Ultra White |
InGaN |
/ |
4.2 |
240 |
||
BL-D400A-21Y-XX |
BL-D400B-21Y-XX |
Yellow |
GaAsP/GaP |
585 |
2.5 |
150 |
||
BL-D400A-21YO-XX |
BL-D400B-21YO-XX |
Ultra Amber |
AlGaInP |
619 |
2.5 |
160 |