In addition to the visual sensory perception, light also influences moods, well-being and performance. Perfect lighting conditions therefore have to be tailored to the situation and environment.

Qualitative lighting planning should fulfill three tasks:

  • ambient luminescence
  • focal glow
  • play of brilliants


RICHARD KELLY, a true pioneer of architectural light, has dedicated his professional life to the recognition and further development of lighting design and has been committed to a close partnership between light and architecture throughout his career.

He shared his philosophy with the next generation of lighting designers and established a legacy that is visible to this day.


Richard Kelly (1910–1977), Pioneer of qualitative lighting design


In Kelly's words: "Ambient luminescence is the uninterrupted light of a snowy morning in the open country. It is foglight at sea in a small boat, it is twilight haze on a wide river where shore and water and sky are indistinguishable. It is in any art gallery with strip-lighted walls, translucent ceiling, and white floor. Ambient light produces shadowless illumination. It minimises form and bulk.”

Patrick PREBIO

“For me is AMBIENT LUMINESCENE the general basic lighting of a room. Here it is important that the light is done in such a way that it does the right job, e.g. to believe the perfect lighting of a new or a dining table so that it looks cozy for nice evenings, but can also be used for reading."


In Kelly's words: "Focal glow is the follow spot on the modern stage. It is the pool of light at your favorite reading chair. It is the shaft of sunshine that warms the end of the valley. It is candlelight on the face, and a flashlight on a stair... Focal glow draws attention, pulls together diverse parts, sells merchandise, separates the important from the unimportant, helps people see.”

Andreas GRAßMAIR

For me AMBIENT LUMINESCENCE means that you put special objects, surfaces or spatial zones in scene. It is ideal for product presentations in retail or for setting the scene for sculptures and pictures.


In Kelly's words: "Play of brilliants is Times Square at night. It is the eighteenth century ballroom of crystal chandeliers and many candle flames. It is sunlight on a fountain or a rippling brook. It is a cache of diamonds in an opened cave. It is the rose window of Chartres... Play of brilliants excites the optic nerves, and in turn stimulates the body and spirit, quickens the appetite, awakens curiosity, sharpens the wit...."

Christopher TROGER

For me, “PLAY OF BRILLIANTS” is primarily intended for decoration and gives rooms, life and mood. Special light effects, changing light colors, should complete the room and be the icing on the cake.

LEDWORKS the right lighting planning partner


With our many years of experience, we create lighting concepts specially tailored to our customers. Lighting should not only look good and harmonize with the individual furnishing style, it should also serve the purpose and properly illuminate the room.

Our team consists of creative and individual qualified lighting planners who use their know-how and enthusiasm to create something very special!

3D visualizations
False color analysis
Brightness measurements
Day/Night simulation
3D visualizations
Light measurements