Guidelines for Lighting Activity Zones in Existing and Future Libraries

Danborg, Maja Munksgaard ; Kundla, Mariliis

4. Term

Lighting Design

2018

2018-05-31

111 pages

This study investigates the expansion of library as a public space, the changing needs of the visitors and how to personalize and enhance their library experience through activity zones specific ambient and task lighting. The growth of library functions in the modern and future libraries will be taken into focus, defining the activity zones and visitor needs in a library environment. In order to enhance the experience within the four different activity zones, specific atmospheres through light presets were generated. This study includes two experiments - the lab and the field test. The lab test explores the preferences for correlated colour temperature (CCT) for 10 subjects in regards of both ambient and task lighting in four function zones - the work, cave, play and chat zone. The lab test was conducted in a laboratory with no daylight access, furnished with furniture relevant to the activity zones. The lab test results showed that the most preferred CCT either neutral or cool, with 3600 K and 5300 K winning for the ambient and task light in all of the activity zones. However, 3600 K was mostly preferred for task lighting. The lab test findings did have a number of biases regarding the light intensity, placement and changing dynamics. Therefore, the results were taken into consideration but not for changing the presents in the field test. The field test was conducted in a natural library environment - a below ground level room of a Swedish library with no access to daylight. The space is a part of the library with daily visitors, however not as much used as the other areas so nudging guide signs and face to face invitations were required. During the four-day test period, an overall of 112 individual answers were marked down in all of the four zones. The testing area included the four activity zones (work, cave, play, chat) with function specific furnishing and an option to pick between four light presets via an application on a tablet computer. The presets were a combination of both ambient and task lighting, differing in intensity, direction of the spot and CCT. The field test results indicated that the set activity zone light presets were almost the same as what the test subjects preferred. The experimental results thereby confirmed that different light presets are preferred and needed for different activities. This project is carried out in cooperation between the following partners: Aalborg University Copenhagen, Fagerhult and Halland County in Sweden. It was initiated in September 2017 and ended in May 2018. Keywords: library, future library, activity zones, activity specific lighting, human-centered lighting design, dynamic lighting, individual preferences, correlated colour temperature, light presets, light atmospheres, personalized lighting.

Bibliotek ; Lys ; Personligt ; Fremtidens bibliotek ; Zoner ; CCT

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