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440nm blue led diode

(142 products available)

About 440nm blue led diode

Understanding 440nm Blue LED Diodes

LED technology has revolutionized the way we use light, and the 440nm blue led diode stands as a prime example of this innovation. These diodes emit light at a wavelength of 440 nanometers, which appears as a vivid blue hue to the human eye. Utilized in various applications, from medical devices to consumer electronics, the versatility of these components is unmatched.

Construction and Functionality

At the heart of a blue light-emitting diode is the PN junction, a critical component made from semiconductor materials. Through a process known as doping, these semiconductors are engineered to control the flow of electricity, allowing them to emit light when an electric current passes through. The semiconductor diode is not just a source of light but also a crucial element in ensuring the smooth operation of electronic circuits by directing current flow.

Types and Applications

The 440nm wavelength is particularly useful in applications requiring high-precision light, such as fluorescence microscopy in scientific research. Moreover, the blue LED is a key component in creating white light when combined with phosphors, expanding its use in general illumination and display backlighting. Its specific wavelength makes it ideal for use in various optical sensors and in the field of optoelectronics.

Features and Advantages

A blue LED diode is not only known for its distinct color but also for its energy efficiency and longevity. These diodes have a lower forward voltage requirement, which translates to less power consumption and heat generation. Additionally, the light-emitting diode is renowned for its durability, capable of withstanding robust use without compromising performance.

Materials and Manufacturing

The materials used in manufacturing a 440nm blue led diode include gallium nitride and indium gallium nitride, which are responsible for its blue emission. The precision in the manufacturing process of these diodes ensures that they operate at the desired wavelength, providing consistent performance across various devices and applications.

Choosing the Right Diode

Selecting the appropriate blue LED for your project is crucial. Factors such as luminous intensity, viewing angle, and forward voltage are important considerations. Alibaba.com serves as a marketplace to connect with suppliers offering a wide range of diodes, including the 440nm blue led diode, to meet the specific needs of your applications.