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High-performance phosphors and inorganic specialties for reliable LED applications and tailored spectra.

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  • Siemensallee 1, 17489 Greifswald, Germany
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  • +49 3834 518970
European Union — European Regional Development Fund.Mecklenburg-Vorpommern — MV tut gut.
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isiphor

LED phosphors by emission color

Down-conversion phosphors organized along the spectrum — blue through deep red. Most grades share one backbone: a barrier coating from our in-house ALD and wet-chemical coating platform, keeping them stable under real package conditions. Pick grades as you browse—your shortlist follows you into spectral comparison and your sample request.

Send inquiryBack to productsCompare spectra
Six laboratory bottles of phosphor powder under excitation, glowing red, orange, yellow, green, cyan and blue against a black background.

Found a candidate color?

Tell us your target spectrum and operating conditions and we will point you to a suitable grade — and prepare a sample.

Send inquiryBack to products

Coating platform

One coating platform behind the portfolio

ALD barrier coating→

Atomic layer deposition on our own pilot plant, running since 2018 — a capability few phosphor makers operate in-house.

Across the colors

Blue, RCS cyan, VGA green and OGA orange all carry the coating. One platform, applied wherever the material calls for it.

Coated where it counts

Every series gets the stabilization route its applications call for — ALD, wet-chemical or none. Matched to the job, not maximal.

Build your shortlist

Select grades as you browse and use your shortlist throughout the page. Nothing to enter twice. Explore the full technical profile of every grade on its dedicated product page.

An isiphor product card for VGA 515 100 showing its emission curve, peak and the Add to selection button.

Pick your grades

Add any grade from a product card or detail page. The selection bar keeps count as you browse.

The selection badge in the site header, opened to show the Compare spectra and Request samples and datasheets actions for three selected grades.

Compare spectra

Send your shortlist straight to the comparison and view the selected spectra peak-normalized on a shared axis.

The sample request form with the three selected grades — VGA 540 100, OGA 595 500 and RSN 625 100 — already filled into the message field.

Request in one step

Start a sample and datasheet request with exactly those grades already filled in.

More than the grades listed

The grades above are a selection, not the limit. Across our SGA, RGA and VGA silicate series, our garnets and a range of further materials we keep a large number of grades on hand — other peak wavelengths, other particle sizes. If your target sits between two grades, or beyond either end, ask.

Wavelengths in between

Peaks between the listed grades — and beyond either end. Fine steps across our silicates and garnets.

Particle size as a variable

Median particle sizes matched to your package — from fine grades for mini-/microLED and thin conversion layers to coarser distributions, depending on the material.

More materials on hand

Beyond the series shown here we hold further phosphor materials on hand. Tell us the target spectrum — we will check what fits.

Compare spectra

Overlay selected emission spectra from the published isiphor phosphor records and compare peak-normalized curves side by side.

VGA 540 100
YYG 555 200

Emission spectra · peak-normalized

400450500550600650700750Wavelength (nm)rel. intensity

CIE 1931 chromaticity · selected grades

CIE 1931 chromaticity diagramCIE 1931 x-y chromaticity diagram with the spectral locus, line of purples, an illustrative sRGB background, the 1500 to 20000 kelvin black-body locus, and 2 plotted selection points.VGA 540 100YYG 555 2004204604805005205405605806007002700 K4000 K6500 KD650.00.10.20.30.40.50.60.70.80.00.10.20.30.40.50.60.70.80.9CIE xCIE y
Spectral locusBlack-body locusBackground colours are screen-oriented approximations.
  • VGA 540 100: x 0.3650, y 0.5950, highlighted
  • YYG 555 200: x 0.4430, y 0.5400

Browse by emission color

From short-wavelength blue to deep red. Jump to a color for its grades and peak ranges.

Blue455-473 nm4 gradesCyan496-510 nm4 gradesGreen515-550 nm15 gradesYellow546-565 nm6 gradesOrange585-600 nm3 gradesRed623-627 nm3 grades
BlueCyanGreenYellowOrangeRed