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Tighter chromaticity tolerance is always pursued by LED manufacturers since color consistency is getting more and more important. A general method is keeping the SDCM (Standard Deviation Color Matching) as a large scale, then divide it into small sections to...

  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. Within 18 halls and over 2000 booths, extensive knowledge, up-to-date...

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, the original pursuit of artificial lights was illumination....

Recently, the International Commission on Illumination (CIE) released the CIE 2017 Color Fidelity Index for Accurate Scientific Use. The CIE Color Rendering Index (CRI), in particular the general color rendering index, Ra, is widely adopted and used by the lighting...

—— YUJILEDSTM 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 and application of solid-state lighting (SSL) technology is a good example. Traditional...

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 lighting, household lighting, LED & green lighting, lighting accessories, parts...