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LISUN held a lighting technology salon in Iran
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LISUN held a lighting technology salon in Iran

LISUN engineer went to Iran in December 2018 to provide on-site installation & training services for customers there. And held...

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LISUN held a lighting technology salon in Saudi Arabia
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LISUN held a lighting technology salon in Saudi Arabia

LISUN engineer went to Saudi in December 2018 to provide on-site installation & training services for customers there. During the...

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The difference between integrating sphere test system and goniophotometer system
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The difference between integrating sphere test system and goniophotometer system

In optical testing, the measurement of luminous flux and color temperature are essential. There are two test equipment for the...

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How to measure electric, photometric and colorimetric parameters for LED lamps and lanterns?
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How to measure electric, photometric and colorimetric parameters for LED lamps and lanterns?

The main parameters of LED lamps and lanterns include: A: Electric parameters: voltage, current, lamp power, power factor, harmonic, etc...

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Brief introduction of CE certificates
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Brief introduction of CE certificates

In recent years, the CE marks are more and more widely used in the market of European economic area (Member...

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LED packaging principle
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LED packaging principle

LED package is mainly to provide a platform for LED chips, so that LED chips have better performance of light,...

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LISUN will visit India to attend the New Delhi Lighting Fair in October 2018
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LISUN will visit India to attend the New Delhi Lighting Fair in October 2018

LISUN has participated in this India lighting exhibition for four years and has developed a large market in India. We...

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How to Measure the High Frequency Fluorescent Lamp
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How to Measure the High Frequency Fluorescent Lamp

High frequency fluorescent lamp came out in 1990. Fine tube, small current and high power is the distinct features. Because...

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How to Use TM-21 and LM-80 to Estimate LED Luminaries Life?
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How to Use TM-21 and LM-80 to Estimate LED Luminaries Life?

LED has the features of long time. According to different power drivers and use conditions, the life of LED can...

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