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Keeping discomfort
at bay with light

Psychiatry Clinic, Knight of St. John of Jerusalem Hospital, Oberhausen, Germany

Find out how light is making life easier for inpatients at the Psychiatry clinic in Oberhausen.
Nurse is walking in a corridor lit by Philips at the psychiatric clinic

We have achieved
our objective

of creating for our patients and therapists a pleasant atmosphere with that personal touch. The effect light has on people should not be underestimated, which is why I’m convinced that using lighting in the right way can have a beneficial therapeutic effect.“


- Manfred Rönfeldt Technical Director Psychiatrie Oberhausen

Patient room at the psychiatric clinic lit by Philips
Patient room at the psychiatric clinic lit by Philips

Customer challenge

The Psychiatry, Psychotherapy and Psychosomatics Clinic is a forward-thinking facility. Based at the Knight of St. John of Jerusalem Hospital in Oberhausen, it offers inpatient treatment for hundreds of patients. Wanting to create a caring atmosphere for patients, the clinic asked for our help.
Nurse is walking in a lit corridor by Philips at the psychiatric clinic

The right lighting


Since its opening in 1978, the clinic has always been committed to patient care. When the department was able to extend its facilities by 160 additional rooms, it sought a new lighting system. It was hoped that pleasant illumination could banish any thoughts of scary, uninviting hospitals and help people see the clinical as a friendly, caring place.


Hospital lighting from Philips injected some innovation into the facility. The clinic directors opted for the ‘Personal Light’ concept, which allows staff and patients to adjust the room and corridor lighting to their requirements. This level of individual control is comforting to patients, and helps medical staff to do their job more easily.


The light is supplied primarily by Rotaris and Savio luminaires. Light colours of between 2700 Kelvin (warm white) and 6500 Kelvin(daylight white) can be selected. These values correspond to the natural light encountered outside, and these kinds of light enable the body’s melatonin and cortisol levels to be selectively adjusted, producing either a calming or an invigorating response. The intensity and color of the light can be adjusted separately with the touch of a button.


As a result of the new hospital lighting, the clinic has a reassuring, welcoming atmosphere that helps to keep patients at ease.

  • Savio TCS760/770
    Savio TCS760/770
    Featuring Philips’ patented micro-lens optic technology, Savio is a complete luminaire range that offers the ideal combination of stylish design and optimum performance for both ta...

Putting patients
at ease

The team

Manfred Rönfeldt, Psychiatrie Oberhausen

Project manager

Petra Sachse


Petra Wörner


Martin Sonis, K sys Krankenhaus Systemtechnik


Ralf Nowack, Philips Lighting

Lighting consultant

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