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GILE 2017 REVIEW: WHAT HAPPENED TO LIGHT QUALITY?

GILE 2017 REVIEW: WHAT HAPPENED TO LIGHT QUALITY?

Starting from June 9th 2017, the 22th Guangzhou International Lighting Exhibition 2017 (GILE 2017) held at China Import and Export Fair Complex gathered over 2,000 exhibitors from 30 countries. Wit...
Revolutionary Tunable-White LED: YUJI Spectrum-X Series

Revolutionary Tunable-White LED: YUJI Spectrum-X Series

Technology develops because of human needs, and it raises new needs of human. Because of our desire for brightness and fear of darkness, artificial lights came along. Due to limitation of technologies...
World’s Highest Lumen Density COB

World’s Highest Lumen Density COB

—— YUJILEDS® High Lumen Density High CRI COB Series Thanks to the development of science and technology, men are able to use natural resources increasingly efficiently. The development ...
5 Kinds Of Monochromatic Light That Affect Plant Growth

5 Kinds Of Monochromatic Light That Affect Plant Growth

Red Red light can suppress the elongation between plants’node, promote lateral branching and tillering, delayed flower differentiation, and increase anthocyanin, chlorophyll, and carotenoids. Ho...
How to Find the Best Desk Lamp for Your Needs?

How to Find the Best Desk Lamp for Your Needs?

There are numerous buyer’s guides nowadays on how to choose a desk lamp for you.  Considerations include the place, interior design, the lamp’s size, style, and its functions. As an expert in hig...
Review of Hong Kong international lighting fair (Autumn edition)

Review of Hong Kong international lighting fair (Autumn edition)

Organized by the HKTDC and held at the HKCEC, the Hong Kong International Lighting Fair (Autumn Edition) is the largest autumn lighting fair in Asia. Exhibits include advertising lighting, commercial ...
Why High Price For High-quality LED Products? Part – 6

Why High Price For High-quality LED Products? Part – 6

During the last several posts, we’ve analyzed the leading factors of LED lead frames, chips and encapsulants in terms of their qualities and costs. Now, we are moving to the finale of our “high qu...
High TLCI VS High CRI

High TLCI VS High CRI

The TLCI metric (Television Lighting Consistency Index) was developed as an alternative to address the shortcomings of the commonly used CRI when used with photography equipment. Because the way camer...
The Lighting System of Gallery

The Lighting System of Gallery

Under the backdrop of economic boom and political stability, the gallery industry has mushroomed in recent decade. As the site of exhibition and sales of art works, the light plays a dual role in art ...
Illuminant Quality Evaluation Index (CRI Part)

Illuminant Quality Evaluation Index (CRI Part)

Actually, eyes are the best tools to evaluate light quality. But when we need to test it quantitatively, what should we do? CIE, NIST and other divisions have defined CRI, CQS, TLCI and TM-30-15, whic...