PLM – Pupil Lumens

Written by Dagmar Heltmann. Posted in Basics about LED, General information, Light and environment.

Pupil Lumens, PLM, lumen, unit light, unit light, measure, perception, eye, vision, photoepic vision, scotopic vision, retina, cones and rods, day vision, night vision

THE NEW UNIT AND ITS MEANING How do you compare different light sources? This is not so easy, because the human eye already perceives light differently....

LED MYTH VS. TRUTH

Written by Dagmar Heltmann. Posted in Basics about LED, General information, LED Technology.

LED lamps, LED lighting, LED myth, LED knowledge, FAQ LED, myths LED, facts lamps, facts about LED illuminants, LED facts

BILLING THE 10 MOST COMMON LED MYTHS Since the invention of the LED, half-truths and myths have surrounded the light of the small coloured diodes. They...

LUMINAIRE, LAMP, ILLUMINANT?

Written by Dagmar Heltmann. Posted in Basics about LED, General information, Uncategorized.

Lampe, Leuchte, Leuchtmittel, Synonyme, Begriffe Lampe, Begriff Leuchmittel

WHAT IS WHAT? In normal language, especially for end customers, one means as much as the other and all terms stand for the same thing. But this is simply...

THE LIGHT SPECTRUM

Written by Dagmar Heltmann. Posted in Basics about LED, LED Technology.

LED lamps, colour spectrum, light spectrum, LED spectrum, filament LED, fluorescence, phosphor, light colour, colour temperature, uniform light spectrum, LED blue component

ABOUT DAYLIGHT AND LED Why should we try to adapt our artificial lighting to natural light? Quite simply because our bio-rhythm, our inner clock and...

LIGHTING AT THE SCREEN WORKPLACE

Written by Dagmar Heltmann. Posted in Basics about LED, General information.

Screen workplace, VDU workplace, home office, screen work, monitor work, light at the workplace, light at the monitor, lighting in the office, good light in the home office, LED lighting, work light at home, work light

REQUIREMENTS FOR LIGHTING AT THE SCREEN Working in the office has changed a lot in recent years. And not only in the office – more and more employees...

Borosilicate glass

Written by Dagmar Heltmann. Posted in Basics about LED, General information, LED Technology.

A very special material Not all glass is the same – so far so good. But why borosilicate glass? Why do we at SEGULA use this glass of all materials...

LED packaging – technical signs and symbols

Written by Dagmar Heltmann. Posted in Basics about LED, General information, Uncategorized.

Technical glossary, signs and symbols, technical signs lamps, symbols LED lamps, signs lamp packaging, LED packaging

EXPLANATIONS OF SIGNS AND SYMBOLS Some of you may ask yourself again and again what the symbols and sometimes cryptic clues on LED packaging actually...

Light planning for your home

Written by Dagmar Heltmann. Posted in Basics about LED, Tips and tricks about LED and design.

light planning for home, light planning, light in private, light concept private, private lighting design

LIGHT PLANNING IN THE PRIVATE SECTOR It makes sense to develop a good lighting concept especially for your home. After all, you want to feel comfortable...