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What is LM-79?

2021-01-22
LM-79 is a standard that defines how the performance of an LED lamp or fixture should be measured. A test according to LM-79 is carried out at a point in time and at a single temperature. Therefore...

What is UGR?

2021-01-22
UNIFIED GLARE RATING (UGR)Introduction to UGRUGR stands for Unified Glare Rating. It is an objective measure of glare th...

What is Luminous Flux?

2021-01-22
Luminous flux is a measure of the power of visible light produced by a light source or light fitting. It is measured in ...

What is DALI ?

2021-01-22
LI GuideDALI stands for Digital Addressable Lighting Interface. It is a 2-way communications protocol that is used to pr...

What is LM-80? A Guide to LM-80 Standard

2021-01-22
LM-80 is a standard that defines how the lumen output and colour shift of LEDs should be measured over time and at different temperatures.The full name of the latest version of this standard is “IE...

What is the difference between edge-lit and back-lit LED panels?

2021-01-22
What is the difference between edge-lit and back-lit LED panels?A back-lit LED panel is made of an array of LEDs fitted ...

Hongkong International Lighting Fair 2019

2019-08-05
Unicorn Lighting will attend 2019 Hongkong International ...