Human Centric Lighting VIDEO NOTES - DES 308 Lighting Design
Human Centric Lighting VIDEO NOTES - DES 308 Lighting Design 308
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This 3 page Class Notes was uploaded by Kaylee Lynn Rowland on Friday September 9, 2016. The Class Notes belongs to 308 at University of Wisconsin - Stout taught by Julie Peterson in Fall 2016. Since its upload, it has received 4 views. For similar materials see Lighting Design in DESIGN at University of Wisconsin - Stout.
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Date Created: 09/09/16
Des 308 Lighting Design Instructor: Julie Peterson Due: Monday, September 12, 2016 Video NOTES WEEK 1 Human Centric Lighting http://www.lighting.philips.com/main/education/lighting-university/lighting-university-browser/webinar/human-centric-lighting What is Human Centric Lighting? - Lighting devoted to enhancing human performance,comfort, health and well-being. o Functional– eye comfort, construction, creativity o Biological – support sleep wake cycle o Emotional – can make you feel safe, or give yougood feelings or bad feeling. - Human centric lighting in theory - Importanceof light - Pathwayshow light affects people o Visual Pathway Performance experience o Non-visual Pathway Acute system Circadian system Light affects us - Physically – vision (87% of our sensory info is from sight, 50% of our brain is used for vision) - Alertness, concentration, experience of the environment, sleep, state of mind, vision, behavior, growth, immune system, memory recovery A sunny day provides 100,000 lux evena cloudy day provides 2,000 lux - Our bodies have adaptedto being healthy with a certain amount of natural lighting. Today we are inside most of our lives. o We receivenot enough light during the day, buttend to get to much light at night which makes it harder to fall asleep. (Screens) - 33% of adults are dissatisfied with sleep on weekly basis o Tiredness is linked with stress, memory,concentration, and even medical effects like lower immunity and obesity. Bright light makes people perform better and feel more awake, this can make it easier to fall asleep at night after the lights turn off. “Light is essential for humans and fundamental for life and of equal importance as water and air” -Hollwich and Dieckhues, 1980 Human centric lighting in practice - Applications and lighting - Techniques and technologies Connection to nature iswelcomed and sooths us. 5 Lighting characteristics for all lighting and Centric lighting 1. Intensity a. Amount of light delivered to the retina 2. Distribution a. Lighting application controls brightness perception b. Supports peoples energy levels during the day 3. Spectrum a. Transmits non visual signals to the brain b. Operates peak sensitivity to blue light 4. Duration a. Blue light (Comes from electronics) will suppressmelatonin (Sleep hormone) i. A large amount will make it harder to sleep depending on time of day you are viewing the blue light ii. How long you are exposed to this light can also be the determinate of if it really affects you or not. 5. Time of Day a. If a large amount of blue light is viewed before going to bed, it will cause you to have a harder time going to sleep. b. A large amount of blue light early in the day can actually cause you to be more alert throughoutthe day. How to marry visual and non-visual needs - Don’t forget functional lighting o Amount of light needed for day and for the tasks at hand Which lighting factors matter most to nurses? • Color of light ( how the lighting affects your ability to evaluate skin tones and other colors in the room) • Control of lights ( switches, dimmers and other devices to ______ = Top 3 customize. And were they easily accessible) • Flicker of light fixtures • Glare • Light level in Work Area • Pattern of light and Dark areas • Shadows from people and objects Nurses working in units with windows experiencemore laughter and communication • It reduced sleepiness and deterioratedmood o Office spaces Thought and creativity areas Activity based lighting • Adjustable lighting above teaming areas o Intensity, color Transitional Spaces • Area where people can adapt to higher and lower lighting Provide visual interest • Comfort,nature, allows lower ambient levels Acoustics and light Quality lighting has been proven to make people happier in the workplace Vertical is the new horizontal - Focus on light reaching the eye CONTROLS AND FLEXIBILITY ARE KEY
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