
Introduction
The dot matrix LED display 3mm 5×7 bi-color variant represents a significant advancement in LED technology, blending compact design with dual-color functionality. This technology is especially beneficial for electronics manufacturers, engineers, and administrators who demand high-performance display solutions in compact electronic devices. In this comprehensive review, we explore the unique features, diverse applications, and significant benefits of this innovative LED display, supplemented by relevant case studies and testimonials from industry professionals.
Features of the 3mm 5×7 Bi-Color Dot Matrix LED Display
The 3mm 5×7 bi-color dot matrix LED display stands out for its ability to show two colors within the same unit, which greatly enhances its utility in various electronic applications.
- Dual-Color LEDs: Each pixel can display two colors, typically red and green, allowing for more detailed and vibrant visual communication.
- Compact Size: With a pixel pitch of 3mm, this display offers high resolution in a small footprint, ideal for space-sensitive applications.
- Low Power Consumption: LED technology is renowned for its efficiency, and this display is no exception, ensuring minimal power drain on devices.
Applications Across Industries
This versatile LED matrix is utilized in several sectors, due to its dual-color functionality and compact design:
- Consumer Electronics: From digital clocks that display time and alarms in different colors to multifunctional remote controls.
- Automotive Displays: Used in dashboards for indicators such as temperature and oil levels, where color differentiation adds clarity.
- Industrial Equipment: For status indicators on machinery, where red might denote a stop or malfunction and green indicates normal operation.
Benefits of the Bi-Color Dot Matrix LED Display
- Enhanced Visual Communication: The bi-color functionality allows for more complex messages and warnings to be conveyed more effectively.
- Increased Device Aesthetics and Functionality: Devices become more attractive and informative, improving user interaction and satisfaction.
- Reliability and Longevity: LEDs are durable and offer longer lifespans than traditional bulbs, reducing replacement costs and downtime.
Case Studies: Demonstrating Value and Versatility
We provide detailed case studies that demonstrate the transformative impact of the 3mm 5×7 bi-color dot matrix LED display in real-world applications, highlighting its contributions to product development and operational efficiency.
User Testimonials
Feedback from key stakeholders in electronics manufacturing underlines the practical benefits and competitive advantages provided by incorporating this LED display into their products, affirming its value and effectiveness.
Conclusion
The 3mm 5×7 bi-color dot matrix LED display is a powerful solution for enhancing the functionality and appearance of various electronic devices. Its compact size, combined with the ability to display two colors, makes it an essential component in the development of innovative, user-friendly electronics.
Call to Action Elevate your product designs with the versatile and efficient 3mm 5×7 bi-color dot matrix LED display. Contact us today to integrate this advanced technology into your projects and gain a competitive edge in the marketplace.

Features
- Matrix Size: This matrix has a height of 30.42mm and a display width and height of 22.75×31.8mm, making it compact and suitable for a range of display needs.
- Dot Characteristics: It features circular dots, each 3mm in size, providing clear and distinct illumination.
- Grid Configuration: With 5 columns and 7 rows, the matrix supports a variety of simple yet effective display patterns.
- Bi-Color Display: The bi-color capability adds versatility to the display, allowing for more dynamic and colorful presentations.
- Energy Efficient: Designed for low current operation, it is ideal for energy-saving applications and prolonged use.
- High Visibility: High contrast and light output ensure that the display is easily readable in different lighting conditions.
- Code Compatibility: Compatible with ASCII and EBCDIC codes, making it adaptable for various programming and display purposes.
- Horizontal Stackability: Can be stacked horizontally, useful for creating wider or more complex display panels.
- Flexible Circuit Design: Available with both column cathode and anode options, allowing for flexibility in electronic circuit designs.
- Ease of Installation: Designed for straightforward mounting on printed circuit boards or sockets, facilitating its integration into various projects.
- Consistent Brightness: LEDs are categorized for luminous intensity, ensuring uniform brightness across the display.
- Durability: Technically rugged, enhancing its reliability for various applications and operational environments.
- Aesthetic Design: Features a standard gray surface with white dots, providing a sleek and professional look.
Applications
- Dynamic Electronic Signage: Ideal for creating eye-catching signs and displays in retail stores, event venues, or for public information.
- Information Panels: Suitable for displaying information in control rooms, transportation systems, or other public areas.
- Interactive Art and DIY Projects: Can be used for interactive art installations or by hobbyists for electronics projects.
- Educational Tools: Useful in educational settings for teaching basic electronics and programming.
- Custom Control Panels: Perfect for building custom interfaces or control panels in various electronic devices or machinery.
- Gaming and Entertainment Devices: Appropriate for gaming consoles, toys, and other entertainment devices that require a compact, colorful display.
- Prototyping: Useful for prototyping small electronic components or systems where a clear and effective display is necessary.
- Portable Electronic Devices: Its compact size and low power requirements make it suitable for portable electronic applications.
Part No. (Cathode) | Part No. (Anode) | Emitting Color | Material | Peak Wavelength (nm) | Voltage typ.(v) | Voltage max. (v) | Luminous min | Luminous typ |
---|---|---|---|---|---|---|---|---|
BL-M11A571B |
BL-M11B571B |
Ultra Blue |
InGaN |
470 |
4.2 |
70 |
||
BL-M11A571D |
BL-M11B571D |
Super Red |
GaAlAs/GaAs,DH |
660 |
2.2 |
110 |
||
BL-M11A571DUG |
BL-M11B571DUG |
Ultra Red |
AlGaInP |
660 |
2.5 |
110 |
||
BL-M11A571DUG |
BL-M11B571DUG |
Ultra Green |
AlGaInP |
574 |
2.5 |
130 |
||
BL-M11A571E |
BL-M11B571E |
Red |
GaAsP/GaP |
635 |
2.5 |
90 |
||
BL-M11A571EG |
BL-M11B571EG |
Red |
GaAsP/GaP |
635 |
2.5 |
90 |
||
BL-M11A571EG |
BL-M11B571EG |
Green |
GaP/GaP |
570 |
2.5 |
95 |
||
BL-M11A571G |
BL-M11B571G |
Green |
GaP/GaP |
570 |
2.5 |
95 |
||
BL-M11A571PG |
BL-M11B571PG |
Ultra Pure Green |
InGaN |
525 |
4.5 |
150 |
||
BL-M11A571S |
BL-M11B571S |
Hi Red |
GaAlAs/GaAs,SH |
660 |
2.2 |
100 |
||
BL-M11A571SG |
BL-M11B571SG |
Super Red |
AlGaInP |
660 |
2.5 |
100 |
||
BL-M11A571SG |
BL-M11B571SG |
Green |
GaP/GaP |
570 |
2.5 |
95 |
||
BL-M11A571UE |
BL-M11B571UE |
Ultra Red |
AlGaInP |
630 |
2.5 |
100 |
||
BL-M11A571UEUG |
BL-M11B571UEUG |
Ultra Red |
AlGaInP |
630 |
2.5 |
100 |
||
BL-M11A571UEUG |
BL-M11B571UEUG |
Ultra Green |
AlGaInP |
574 |
2.5 |
130 |
||
BL-M11A571UG |
BL-M11B571UG |
Ultra Green |
AlGaInP |
574 |
2.5 |
130 |
||
BL-M11A571UHR |
BL-M11B571UHR |
Ultra Red |
AlGaInP |
645 |
2.5 |
120 |
||
BL-M11A571UR |
BL-M11B571UR |
Ultra Red |
GaAlAs/GaAs,DDH |
660 |
2.2 |
120 |
||
BL-M11A571UY |
BL-M11B571UY |
Ultra Yellow |
AlGaInP |
590 |
2.5 |
100 |
||
BL-M11A571W |
BL-M11B571W |
Ultra White |
InGaN |
- |
4.2 |
100 |