Shanghai Keyan Phosphor Technology Co., Ltd.

up conversion phosphors

up conversion phosphors
Product Detailed

Anti -counterfeit Up conversion Infrared phosphor
1. Detected by invisible light of 980nm
2. Green, Red, Blue lighting color

Anti-Stokes Up-conversion Anti-counterfeit Phosphor is a luminescent material that converts different invisible infrared light into visible light. Making full use of technology advantage of Chinese Academy of Sciences, KPT is the first company in China that develop this product, the quality has achieved the leading level of the world. it has characteristic of sensitive response, rich glowing colors, long lifetime, easy test and the most important-- high safety and concealed ability, by using it, IR (infrared ray) beam can be efficiently detected, tracked, identified and proofread etc.


Up-conversion phosphor is suitable for various kinds of printing application, and will not have any worse effect while mixing with any types of inks. It's can be added in plastic, paper, cloth, ceramic, glass and solution etc. Laser pen or home appliance controller are selected to test this phosphor material.






Rare Earth Inorganic Crystal (no toxicant)

Average Particle Size

1-10 micron (smaller particle size can be made accordingly)

Abradability & Humidity resistance


Temperature Resistance

Property remains unchanged with temperature from  under zero 50 centigrade degree (long time) to 1000 centigrade degree (1hr)

Ultraviolet Rays Resistance


Acid and Alkali Resistance



Long term stability, do not react with organic solvent

Ink Combinability

No change caused by mixing with various kinds of inks



Appearance Color

White or Pale White-pink Color

Specific Gravity


Excitation Frequencies

940-1060 nm ( wavelength at peak: 980 nm)

Emission Color and Frequencies

Red color 610-630nm; Blue color 430-470nm; Green color: 530-560nm

Other Colors

Totally been shielded (adjustable) or color changeable

Excitation Light Source

Laser Emitter (10mW) / IR LED (30mW)


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