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KSF Red-Emitting Phosphor for LED Backlighting D50 15–22µm
Research-grade luminescent powder
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PHOSPHOR SELECTION AND QUOTATION SUPPORT
For model selection, particle-size confirmation and quotation support, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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The phosphor must be kept sealed, dry, and protected from direct light to maintain optical performance. Airborne dust must be minimized during transfer, and suitable protective equipment must be used.
- Moisture Sensitivity: The phosphor must be stored in sealed, moisture-resistant packaging to prevent degradation.
- Light Sensitivity: The phosphor must be protected from direct light to avoid photodegradation.
- Dust Control: Airborne dust must be minimized during transfer to prevent inhalation and contamination.
- Personal Protective Equipment: Suitable laboratory protective equipment, including gloves and dust mask, must be used when handling.
- Safety Documentation: Applicable safety documentation must be reviewed before handling the phosphor.
How does the 3.1 nm FWHM of this KSF phosphor affect color gamut in LED backlighting compared to broader red emitters?
The 3.1 nm full width at half maximum (FWHM) provides a tightly defined red emission band centered at 630.9 nm, which enables saturated red color conversion and supports high-color-gamut display development. Broader red emitters would introduce spectral overlap with adjacent color channels, reducing color purity and gamut volume. The narrow band is specified to maintain backlight color consistency across the display panel.
What are the critical handling and storage requirements for this manganese(IV)-activated potassium fluorosilicate powder?
The phosphor must be kept sealed, dry, and protected from direct light to prevent moisture-induced degradation or photochemical changes to the Mn⁴⁺ activator. During transfer, airborne dust should be minimized, and suitable laboratory protective equipment must be used. Reviewing the applicable safety documentation before handling is required due to the chemical powder nature of K₂SiF₆:Mn⁴⁺.
How does the D50 particle-size range of 15–22 µm influence phosphor formulation and conversion-layer processing?
The median particle-size range (D50) of 15–22 µm allows selection according to specific phosphor formulation and conversion-layer processing requirements. Smaller particles within this range may improve dispersion in silicone or resin binders for thin-film coatings, while larger particles can enhance light-scattering efficiency in remote-phosphor architectures. The defined range supports specification-led formulation to match the optical architecture and device-level color target.
This KSF red-emitting phosphor (K₂SiF₆:Mn⁴⁺) delivers a narrow-band red emission peaking at 630.9 nm with a FWHM of 3.1 nm, optimized for high-color-gamut LED backlighting. Its median particle size of 15–22 µm must be matched to the processing method, and the powder requires strict moisture and light protection during storage and handling.
Positive
- Narrow-band red emission for high color gamut: The FWHM of 3.1 nm at a peak emission of 630.9 nm provides a spectrally pure red output, enabling saturated red color conversion and high-color-gamut display development.
- Controlled particle size for formulation flexibility: The D50 range of 15–22 µm allows selection of the optimal particle size for specific phosphor formulations and conversion-layer processing methods.
Trade-offs
- Moisture and light sensitivity during storage: The phosphor must be kept sealed, dry, and protected from direct light to maintain performance; exposure to moisture or light can degrade the material.
- Dust hazard requires protective handling: Airborne dust generated during transfer necessitates the use of suitable laboratory protective equipment and careful handling to avoid inhalation or contamination.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
