Lighting
How to Dim LED Lighting in the Home?
LED lighting in the home is becoming more popular due to the energy and money saving benefits it offers over traditional halogen lighting. One of the most common problems that… Read more
Nov 08, 2012 | By Joe Watts
Lighting
Difference Between Diffuse and Directed Light
Having dealt with light quantity, conside-ration must be given to the quality of light, the difference between diffuse light and directed light being one of the most important aspects. We… Read more
Oct 13, 2012 | By Edvard Csanyi
Energy Efficiency
Electric Power Quality and Lighting (part 2)
Continued from first part: Electric Power Quality and Lighting (part 1) Power factor is a measure of how effectively a device converts input current and voltage into useful electric power…. Read more
May 29, 2012 | By Sufi Shah Hamid Jalali
Energy Efficiency
Electric Power Quality and Lighting (part 1)
Concerns about the effects of lighting products on power distribution systems have focused attention on power quality. Poor power quality can waste energy and the capacity of an electrical system;… Read more
May 26, 2012 | By Sufi Shah Hamid Jalali
Lighting
Light Emission Depreciation
Illuminance provided initially by a lighting installation will decrease in a gradual way during its use due to a reduction in lamp lumens, to lamps which burn down, and to… Read more
Apr 24, 2012 | By Edvard Csanyi
Lighting
Architectural Luminaires – Unusual Visual Effects
Architectural luminaires are custom-designed and built fixtures that offer features not available in commercial luminaires. They can be built to fit specific locations or perform desired functions as well as… Read more
Mar 31, 2012 | By Edvard Csanyi
Electronics
Under the Hood of Light Detector
Detectors of electromagnetic radiation in the spectral range from ultraviolet to far infrared are called light detectors. From the standpoint of a sensor designer, absorption of photons by a sensing… Read more
Feb 24, 2012 | By Edvard Csanyi
Lighting
Luminous Measurement Graphic Representation
The collection of luminous intensity emitted by a source of light in all directions is known asluminous distribution. The sources of light used in practice have a more or less… Read more
Jan 16, 2012 | By Edvard Csanyi
Energy Efficiency
Potential Energy Savings In Utility Buildings Using EIB
Flexibility, utilisation value and energy saving are the three main requirements for utility buildings (administration, office and public buildings, schools, hospitals, etc.). Apart from recouping investment costs, so-called life-cycle costs… Read more
Jan 11, 2012 | By Edvard Csanyi
Lighting
The Physics of Light
Man has always been fascinated by light and has constantly striven to unravel its mysteries. History has produced various theories that today strike us as comical but were seriously propounded… Read more
Dec 11, 2011 | By Edvard Csanyi
Lighting
Basic parameters used in lighting you should know
Abbreviation: φ phi Unit: lm lumen The luminous flux describes the quantity of light emitted by a light source. The luminous efficiency is the ratio of the luminous flux to… Read more
Nov 03, 2011 | By Edvard Csanyi
Lighting
Illuminance recommendations
Recommended minimum illuminances (E) for typical interior lighting tasks. The illuminances are aimed at a lighting level appropriate to the specific visual tasks to be performed in the space or… Read more
Sep 10, 2011 | By Edvard Csanyi
Lighting
Visibility and visual performance of good lighting
Human beings need to be informed about their surroundings in order to perform their activities in an easy and harmless fashion. Most information about the environment reaches human beings through… Read more
Jul 18, 2011 | By Edvard Csanyi
Lighting
Technical analysis of LED light
A Light Emitting Diode (LED) is a semiconductor device which converts electricity into light. Each diode is about 1/4 inch in diameter and uses about ten milliamps to operate at… Read more
Jun 24, 2011 | By Edvard Csanyi
Energy Efficiency
How to achieve energy-efficient lighting?
Technological development has focused primarily on such things as the fluorescent lamp and the ballast and has chiefly been geared to boosting their luminous efficacy. The chart “Milestones to energy… Read more
Jun 13, 2011 | By Edvard Csanyi
