New possibilities with LED Technology for dynamic light in Public Places

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1 New possibilities with LED Technology for dynamic light in Public Places Prof. Thomas Römhild Hochschule Wismar

2 Who am I? Prof. Dr.- Ing. Thomas Römhild Hochschule Wismar Architectural Lighting Design Architect, Lighting Designer

3 LED Technology Characteristics of LED light sources: Quelle: LG LED is an electronic device, it can be directly integrated in any electronic equipment!

4 LED Technology Characteristics of LED light sources: Quelle: LG lesser in size! this means an easy integration in complex systems or to create more challenging luminaries

$govern by free- form refractor,$

5 LED Technology Characteristics of LED light sources: precise optical instrument made by Lenses this means light easy to govern by free- form refractor, Fresnell- lenses made by plastic material

6 LED Technology Characteristics of LED light sources: precise optical instrument made by reflectors this means light easy to govern By a high number of differentiated reflectors

7 LED Technology Characteristics of LED light sources: Different colour temperatures with a good colour rendering are possible This means easily adaptable light changes are possible in one luminaire

8 LED Technology Characteristics of LED light sources: Coloured light is possible, this means changeable light colours are available! Losses of Light and Energy caused by filters are avoidable

9 LED Technology LED are dimmable and quick switchable that means the light can be easily adjusted

10 LED Technology Characteristics of LED light sources: LED are already efficient and become even better! But best is to use them in new system of lighting! Quelle: DOE SSL R&D Program Plan

11 LED pros; How to use them? LED as an electronic device makes new dynamic light solutions possible, which are unknown until today Combing the change of light distribution, colour temperature and the intensity.

12 LED pros; How to use them? Combing the change of light distribution by using different lenses and reflectors, colour temperature by using different LED in one Luminaire and influencing the intensity by dimming

13 LED pros; control capabilities New sensors recognising situations

14 LED pros; control capabilities New sensors recognising situations allow to design the light

15 LED pros; control capabilities New sensors recognising situations allow to design the light according to the actual behaviour and the visual and social needs deduced from how people act

16 LED pros; control capabilities Efficacy would mean: As dynamik as possible! Quelle: mercedes benz passion-blog People would ask: How much change is appropriate? Regarding perception constanty and the feeling of security, etc! What is plesant and acceptable? What makes sense?

17 LED Pro: More exact light distribution Design advantages: Light, where it is needed Pros: less light tresspass, less light scatter Cons: high contrasts, harsh shadows, direct glare seems to be stronger

18 Genaue Trennung von unbeleuchtet und beleuchtet

19 Differentiation in intensity and illuminated focus points Scattered light combined - with lit focus points allows a good orientation, which helps to feel secure, knowing: - Where am I going?

20 Anonymous traffic lighting versus identity

21 Anonymous traffic lighting versus identity

22 Many small light sources provide many challenges, combine the possibilities

$one luminaire: for example: LED with differnet lenses or refractors (wide or narrow light distrubution) LED with different colour temperatures to have other light in the evening the in the$

23 Light distribution Multi Spot characteristic Many LED in one luminare provide many possibilities If you don't use all LED in one time, it will be possible to create different light situations with one luminaire: for example: LED with differnet lenses or refractors (wide or narrow light distrubution) LED with different colour temperatures to have other light in the evening the in the morning)

24 Light distribution Multi Spot characteristic Verschiedene Lichtzonen sind auch einer Leuchte möglich Beispiel: Straße anderes Beleuchtungsniveau als der Fahradweg Straße Gehweg

25 Light distribution Multi Spot characteristic Quelle: Philips

26 Old technology few variations

27 Various colour temperatures

28 Verschieden farbiges Licht mit hoher Intensität möglich Change of colours during the operation differnt colours from one luminaire acording to the differnt design solutions.

29 Various colour temperatures For example: Street and pedestrian area lit in different intensity and colour temperatures Straße Gehweg

30 Various colour temperatures

31 Various colour temperatures

32 One Luminaire various functions Qualification for dynamic lighting is to have a variety of lighting possibilities Condition for dynamic lighting is to have the need for for different light scenes

33 One Luminaire various functions Function 1: wide light Function 2: narrow light Function 3: warmwhite Function 4: focus point A + B Funktion 2: narrow light Funktion 1: wide light

34 Five in one Multifunktionsleuchte für Hamburg Mönckebergstraße (T.Schlothfeld/ Iguzzini)

35 Rostock : Parc Am Schwanenteich New luminaire design Good light distribution Various colour temperatures Reduced light trespass, more ark sky

36 Rostock : Parc Am Schwanenteich

37 Rostock : Parc Am Schwanenteich

38 Insects and various lamps Quelle: Prof. Dr. Gerhard Eisenbeis

39 Insects and various lamps Quelle: Prof. Dr. Gerhard Eisenbeis, Institut für Zoologie der Joh. Gutenberg-Universität, Mainz

40 Wismar: Tarnowschule Wismar- Tarnowschule

41 Wismar: Tarnowschule Wismar - Schule

42 Wismar: Tarnowschule

43 Wismar: Tarnowschule Differentiated light distribution, light intensity by dimming and colour temperature

44 Wismar: Tarnowschule Differentiated light distribution, light intensity by dimming and colour temperature

Biendorf: Kindergarden and community centre Light suitable for Children: paedagogic: light as interesting medium, - Fun aspect: Colour play - Enable the use of the community centre by all groups of

45 Biendorf: Kindergarden and community centre Light suitable for Children: paedagogic: light as interesting medium, - Fun aspect: Colour play - Enable the use of the community centre by all groups of people - modern light source fitting to a village, - Solar powered info-boards for information about LED - Planned: dimming possibilities to have differnt light scence according to the changing needs

46 Biendorf: Kindergarden and community centre

47 Biendorf: Kindergarden and community centre

48 Biendorf: Kindergarden and community centre Biendorf opening October 2011

49 Master plan: Skyline Stralsund Stralsund - Hafenskyline

50 Master plan: Hannover Centrum Differentiation in - colour temperature - Pole distances - Pole hight - Luminaries creating the different spaces by night Ulrike Brandi

51 Master plan: Wismar old city centre Streets Market and harbour area Churches Stream/ lake/ sea Parks Playgrounds Parking lot Public transport Official buildings Kindergarten Schools Museums & cinema Shops Cosmetic salons Bistros & Restaurants & Bars Analysis - Structure of the city centre

Master plan: Wismar old city centre Playgrounds Parks Stream from lake into the sea Streets Market and harbour area Churches Public transport Official buildings Kindergarten Schools

52 Master plan: Wismar old city centre Playgrounds Parks Stream from lake into the sea Streets Market and harbour area Churches Public transport Official buildings Kindergarten Schools Museums & cinema Shops Cosmetic salons Bistros & Restaurants Spaces of recreation Daytime anaylsis (8am-4pm) - activities concentrate around market area (official, schools, shops, museums)

53 Master plan: Wismar old city centre Analysis 1. Alter Schwede 2. WassertorSt.-Nikolai-Kirche 3. Heiligen-Geist-Kirche 4. St.-Georgen-Kirche 5. Fürstenhof 6. Marienkirchturm 7. Archidiakonat Brick buildings in the city centre - EuRoB

54 Master plan: Wismar old city centre Lübsche- and Dankwartstrasse have a special historic meaning for the medieval town structure (first trading streets). Bohr- and Scheuerstrasse connect the centre with the harbour.

55 Master plan: Wismar old city centre Function Atmosphere Ring street Lübsche and Dankwartstrasse (car main parts) and some other vehicular streets Lübschestrasse and Dankwartstrasse (pedestrian main parts) Pedestrian streets

56 Master plan: Wismar old city centre Ring street and entrances It is needed to have marks by lighting on the ring where the streets come into Altstadt. Coldest light colour for the ring and the main entrances. Intersections highest light level of the Altstadt (100%). Ringstreet 3/4 as bright as the main intersections (75%). Two types of luminaires with different heights for cars and pedestrians. Colour temperatu re Light level 100 % 75 %

57 Master plan: Wismar old city centre Streets with high car traffic Warmer light colour than the ring street Lübsche-, Dankwart-, Scheuer- and Bohrstrasse as bright as the ring street (75%) Rest of the streets and parking area of the marketplace half as bright as the intersections (50%) Colour temperatu re Light level 75 % 50 %

58 Master plan: Wismar old city centre Streets with less car and pedestrian areas Warmer light colour than the streets with high car traffic. Pedestrian areas (main shopping streets) and sidewalks of market place as bright as the ring street (75%) Rest of the streets half as bright as the intersections (50%) Colour temperatu re Light level 75 % 50 %

Master plan: Wismar old city centre Public recreation areas There are the place which can be considered as the recreation areas such as parks, water sides, small spaces and

59 Master plan: Wismar old city centre Public recreation areas There are the place which can be considered as the recreation areas such as parks, water sides, small spaces and restaurants. Same light colour as the pedestrian areas and smaller streets Half as bright as the smaller streets - (25%) of the brightness of the intersection Colour temperatu re Light level 25 %

60 Master plan: Wismar old city centre View from Altstadt to the outside, harbor area View from the outside to the Altstadt

61 Master plan: Salzgitter city centre Salzgitter am Abend

62 Master plan: Salzgitter city centre Salzgitter Konzept

63 Master plan: Salzgitter city centre

64 Master plan: Salzgitter city centre

65 Lighting plan: Künzelsau city centre Künzelsau Konzeptdarstellung

66 Lighting plan: Künzelsau city centre

67 Lighting plan: Künzelsau city centre

68 Lighting plan: Bad Doberan Monastery

69 Lighting plan: Bad Doberan Monastery

70 Lighting plan: Bad Doberan Monastery

71 Lighting plan: Bad Doberan Monastery

72 Conclusion: In future it will be possible to integrate more Functions in on luminaire, this will give the chance to to adapt the light to: - different sittuations of use - different times of the day or the year - different climatic conditions! LED technology will make it possible to to adjust the light more exact to the constant architectonical, but also to changing behavioural situation. LED-technology will be flexible also for future situations, because of the controll systems!

73 Thank you for your attention!

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