25,000 CCT 100% CS
LARK SPECTRAL LIGHTING
7,000 CCT 50% CS
LARK SPECTRAL LIGHTING
2700 CCT 5% CS
LARK SPECTRAL LIGHTING
METABOLIC FUNCTION
LARK SPECTRAL LIGHTING
22
Melatonin Secretion Starts
23
0
Deepest Sleep
1
2
21
3
20 Highest Body Temperature
19
Highest Blood Pressure
18
Lowest Body Temperature
4 5 6 Sharpest Blood Pressure Rise
Best Muscle Tone
17
7
16 Fastest Reaction Time Best Coordination
CIRCADIAN OSCILLATOR
8 15
Melatonin Secretion Stops
9 14
13
12
11
10 High Alertness
LARK SPECTRAL LIGHTING
379 384 390 396 402 408 414 420 426 432 438 444 450 456 462 468 474 480 486 492 498 504 510 516 522 528 534 540 546 552 558 564 570 576 582 588 594 600 606 612 618 624 630 636 642 648 654 660 666 672 678 684 690 696 702 708 714 720 726
1.0000
0.8000
0.6000
CIE D65 Daylight Luminant
0.4000
0.2000
0.0000
Circadian Response (CS)
SPECTRAL VARIATION OF RECEPTORS (nm)
Photopic Response (V 位)
LARK SPECTRAL LIGHTING
OPEN SOURCE CODE
LARK SPECTRAL LIGHTING
Visual Color Response
Circadian Resource (LUMINANCE)
HIGH
LOW
PREDICTIVE CIRCADIAN SIMULATION
LARK SPECTRAL LIGHTING
Circadian Resource
(LUMINANCE)
WINTER
SEASONAL SIMULATION
SPRING
SUMMER
LARK SPECTRAL LIGHTING
Circadian Resource
(LUMINANCE)
HIGH
LOW
WINTER
PREDICTIVE CIRCADIAN SIMULATION
SPRING
SUMMER
LARK SPECTRAL LIGHTING
Seasonal Sky Variability
View & Material Variability
December 21, 15:00
March 21, 15:00
June 21, 15:00
Overcast Sky Conditions
Partly Cloudy Sky Conditions
Clear Sky Conditions
Correlated Color Temperature: 7000K
Correlated Color Temperature: 5000K
Correlated Color Temperature: 25000K
March 21, 15:00 Partly Cloudy Sky Conditions Correlated Color Temperature: 5000K
CIRC ILL. | 178 LUX PHOTOPIC ILL. | 337 LUX
CIRC ILL. | 57 LUX
SAMPLE OUTPUTS
PHOTOPIC | 444 LUX
CIRC ILL. | 386 LUX
CIRC ILL. | 29 LUX PHOTOPIC ILL. | 81 LUX
PHOTOPIC | 833 LUX
CIRC ILL. | 1267 LUX
CIRCADIAN & PHOTOPIC NITS (CD/M2)
PHOTOPIC | 55 LUX
3000
CIRC ILL. | 301 LUX PHOTOPIC ILL. | 534 LUX 0
LARK SPECTRAL LIGHTING
Visual Color Response
Circadian Resource (LUMINANCE)
HIGH
Circ Ill. 1267 lux
Photopic 833 lux
PREDICTIVE CIRCADIAN SIMULATION
LOW
LARK SPECTRAL LIGHTING
PANELISTS
SUSAN GEIDUSCHEK
SENIOR DIRECTOR & ASSOCIATE CHIEF NURSE SEATTLE CHILDREN’S HOSPITAL
i i W
PANELISTS
LISA REITZES
PROJECT MANAGER, FACILITY DESIGN SEATTLE CHILDREN’S HOSPITAL
SUSAN GEIDUSCHEK
SENIOR DIRECTOR & ASSOCIATE CHIEF NURSE SEATTLE CHILDREN’S HOSPITAL
T h d t h
LISA REITZES
PROJECT MANAGER, FACILITY DESIGN SEATTLE CHILDREN’S HOSPITAL
AGENDA JUDITH HEERWAGEN
PROGRAM EXPERT U.S. GENERAL SERVICES ADMINISTRATION
MEHLIKA INANICI
ASSOCIATE PROFESSOR UNIVERSITY OF WASHINGTON
JUDITH HEERWAGEN
PROGRAM EXPERT U.S. GENERAL SERVICES ADMINISTRATION
MEHLIKA INANICI
ANITA ROSSEN
ASSOCIATE PROFESSOR UNIVERSITY OF WASHINGTON
5
ED CLARK
KARI THORSEN
ASSOCIATE PARTNER AND INTERIOR DESIGNER ZGF ARCHITECTS LLP
MARK GESINGER
PRINCIPAL AND MEDICAL PLANNER ZGF ARCHITECTS LLP
PRESENTERS
KARI THORSEN
ASSOCIATE PARTNER AND INTERIOR DESIGNER ZGF ARCHITECTS LLP
MARK GESINGER
PRINCIPAL AND MEDICAL PLANNER ZGF ARCHITECTS LLP
PRESENTERS
I
P
MARTY BRENNAN
1
ANITA ROSSEN
I
SUSAN SZENASY
1
MODERATED BY
P
SUSAN SZENASY
6
Q
1
S ED CLARK
ASSOCIATE AND SUSTAINABLE DESIGNER ZGF ARCHITECTS LLP
MARTY BRENNAN
PROJECT ARCHITECT AND DAYLIGHTING SPECIALIST ZGF ARCHITECTS LLP
ED CLARK
ASSOCIATE AND SUSTAINABLE DESIGNER ZGF ARCHITECTS LLP
MARTY BRENNAN
PROJECT ARCHITECT AND DAYLIGHTING SPECIALIST ZGF ARCHITECTS LLP
LARK
LARK
Lark Spectral Lighting is a collaboration of University of Washington and ZGF Architects
Lark Spectral Lighting is a collaboration of University of Washington and ZGF Architects
3