Solid white light-emitting diodes (LED lighting) have become the new generation of energy-saving light sources in the 21st century. One of the important ways to achieve white light emission is to use the fluorescence conversion technology of rare earth luminescent materials.
A phosphor, most generally, is a substance that exhibits the phenomenon of luminescence. It emits light when exposed to some type of radiant energy. Fluorescent materials are used in applications in which the phosphor is excited continuously: cathode ray tubes (CRT) and plasma video display screens, fluoroscope screens, fluorescent lights, scintillation sensors, white LEDs, and luminous paints for blacklight art. Phosphorescent materials are used where a persistent light is needed, such as glow-in-the-dark watch faces and aircraft instruments, and in radar screens to allow the target 'blips' to remain visible as the radar beam rotates.
In the case of LED lighting, the type of luminescence is specifically fluorescence, the emission of light caused by the absorption of blue light energy emanating from the LED chip. When a phosphor absorbs a photon of blue light it emits a photon of longer wavelength, extending the spectrum toward the red. Different phosphors have different emission characteristics and thus when combined with the blue light and each other, a high-quality light spectrum is produced. Phosphors are manufactured in ways to make them most suitable for consistent, high-yield LED manufacturing. Most phosphors are packaged as powders of well-formed, micrometer-scale particles. These can be integrated into carrier materials that coat and form LED components in many different ways. Stanford Advanced Materials (SAM) offers different phosphors for your choices.
Rare earth luminescent material is a new type of environmentally friendly and energy-saving material. It can store energy after absorbing the energy of short wavelengths such as sunlight, and then slowly release the stored energy in the form of visible light, which can still be bright after the light source is removed. It emits visible light in time and also has excellent properties such as high-temperature resistance, friction resistance, high strength, scratch resistance, flame retardancy, and high chemical stability. It is an ideal energy-saving and environmentally friendly long-life optical material in the fields of construction, transportation, and national defense.
Phosphor Materials Key Features
Luminescent Properties: Phosphor materials exhibit luminescence when excited by various energy sources, emitting light in a range of colors, making them essential for displays, lighting, and imaging technologies.
Color Tunability: Phosphors can be engineered to emit specific colors of light, enabling precise color reproduction in displays and contributing to the aesthetics of lighting applications.
Light Conversion: In lighting technologies, phosphors are used to convert one type of light (e.g., blue LED) into another, enhancing energy efficiency and light quality.
Diverse Applications: From LED displays to X-ray imaging, phosphor materials find applications in industries that demand efficient and innovative light-related technologies.
Industries We Serve
Electronics: Phosphor materials are crucial for LED displays, contributing to vibrant and energy-efficient visual experiences in televisions, smartphones, and monitors.
Lighting: In the lighting industry, phosphors enhance the color rendering and efficiency of LEDs, contributing to environmentally friendly illumination solutions.
Medical Imaging: Phosphors are integral to scintillation detectors used in medical imaging equipment such as X-ray machines, enabling precise imaging and diagnostics.
Research and Development: Researchers leverage phosphor materials to explore novel applications in photoluminescence, optoelectronics, and beyond.
Why Choose Phosphor Materials
Illumination Expertise: Our phosphor materials are engineered for optimal luminescence, ensuring exceptional performance in various applications.
Technical Expertise: Backed by experts, we provide guidance on selecting the right phosphor materials for your specific applications.
Innovation: Phosphor materials drive innovation across industries, from entertainment to healthcare, by enhancing lighting and imaging technologies.
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