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ZYP540SG2 - YAG yellow phosphor for LEDs







The yellow phosphor ZYP540SG2 is a new product independently developed by our company. It is a YAG phosphor that has the characteristics of narrow particle size distribution, core-shell structure with spherical morphology, high brightness, and low luminous decay. It is best applied to the manufacture of high CRI white LED package, and other white LED lighting products. It can also be used to realize green LED by coupling with blue chips.


Excitation Wavelength 450-460 nm
Primary Emission 544±1 nm
Dominant Emission 567±1 nm
D50 9±1 um
Relative Brightness 107-115
CIE X=0.418±0.003
Y=0.552±0.003



Type: YAG
Appearance: Yellow crystal powder.
Component: Rare earth garnet.
Stability: No decomposability in water, strong stability from -50C to 300C in air.
Safety: Meets RoHS standards, contains no radiation, no toxicity. Poses no hazard to humans or the environment.
Usage: Can be applied to package green LEDs with blue or UV chips.
Mixed with yellow phosphors, high color temperature and high CRI can be packaged with blue chips.
Mixed with yellow phosphor and/or red phosphor very high CRI can be packaged with blue chips.
Directions: Weigh the phosphor and epoxy or silicone in the correct concentration and mix them evenly. Pump in the vacuum chamber to eliminate air bubbles before package in LEDs for testing. Adjust the concentration as needed and repeat the above steps until the desired CIE is achieved (it can also be mixed with other phosphors).
Packaging: 100g/bottle.
Storage: Keep products sealed in packaging and store in a clean and dry environment. Avoid long term exposure to air.

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