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March 2011 / #3

CIE Newsletter

CIE presenting its members:

Everlasting Reflectivity

by: CerFlex International, Helmond, The Netherlands

Young, innovative company introduces ceramic reflector material with a reflectance of 99.2 % for use as mixing chambers, around packaged LEDS, inside LED modules and lamps. The reflectors are unique and based on the patented material called CerFlex®TECH.
Almost every light source, be it a LED chip, a LED engine or a lamp has reflective components. Together these components determine the light output efficacy and the quality of the beam, in terms of beam angle, uniformity and, in case of (color) mixing, light quality. With CerFlex ceramic components “Everlasting Reflectivity” is guaranteed and durability is combined with extreme high efficiency. The lighting industry is applying CerFlex®TECH in applications as mixing chambers (e.g. in combination with remote phosphor), to limit glare and as high quality wide angle reflectors for lamps.

  • 100 % diffuse (Lambertian) reflection
  • 99,2 % reflectance
  • Constant reflection over a wide wavelength range (380 – 2000 nm)
  • UV-stable, non-yellowing, non-corroding
  • Heat resistant up to 1000 ºC
  • Electrical isolator
  • Environmental friendly, 100 % product of nature and easy to recycle
LED Modules and mixing chambers CerFlex®TECH is directly used in combination with the packaged LED chip or as a base for multiple LED arrays that require high reflectance, temperature resistance, electrical isolation and high durability. The diffuse, extreme high reflection and strength of CerFlex®TECH components offer innovative possibilities in the design of LED modules and mixing chambers.

Read more on the CIE website >>

Work in Progress
CIE Draft Technical Reports that have passed BA and Division Ballot and will soon be published:
CIE Guide to Increasing Accessibility in Light and Lighting
TC 1-27: Specification of Colour Appearance for Reflective Media and Self-Luminous Display Comparisons
TC 2-43: Determination of Measurement Uncertainties in Photometry 
TC 8-02 Methods for Evaluating Colour Differences in Images
CIE Draft Standards that have passed BA and Division Ballot and NC Commenting Stage:
DS 017.2:2009: ILV International Lighting Vocabulary
DS 014-3.2:2010: Colorimetry - Part 3: CIE Tristimulus Values
CIE Draft Standard that is in NC voting stage:
DS 021.3:2010: Vehicle Headlighting Systems - Photometric Performance - Method of Assessment (Deadline 2011-03-17)

CIE Drafts Technical Report in BA and Division ballot:
TC 1-37: CIE Supplementary System of Photometry

(SVETOTEKHNIKA), Vol. 19, Nr 1/2011

For Your Diary
2011 May 18-20, Bucharest, 
Romanian Lighting Convention
2011 July 10-15, Sun City, 
South Africa
27th CIE Session

2011 September 12-14, Dubai, United Arab Emirates
Light Middle East
2011 September 27-29, Bregenz, Austria
LED Professional Symposium + Expo

2011 October 19-22, Madrid, Spain
Professional Lighting Design Convention 2011

2011 December 7-8, Lyon, 
Forum LED Europe
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