Human-centric Lighting Solutions · Solutions Light for Circadian Rhythm. Samsung LM302N DAY &...
Transcript of Human-centric Lighting Solutions · Solutions Light for Circadian Rhythm. Samsung LM302N DAY &...
Human-centric Lighting
SolutionsLight for Circadian Rhythm
Samsung LM302N DAY & LM302N NITE
Melanopic spectra is designed for better effectiveness and light quality
Conventional White LEDLM302N DAY LM302N NITE
High SPD* at Cyan → High M/P ratio** Low SPD at Cyan→ Low M/P ratio
Melanopic Sensitivity
for more energetic moments for more relaxing moments
* SPD: Spectral Power Distribution
780730680630580530480430380 780730680630580530480430380
** M/P Ratio: Melanopic/Photopic Ratio
780730680630580530480430380
Higher M/P ratio by directly boosting cyan enhances melatonin suppression levels
125%
120%
124%
130%
127%
124%
0.40
0.60
0.80
1.00
1.20
1.40
3000K 3500K 4000K 5000K 5700K 6500K
M/P
R
atio*
Conventional LED
* M/P Ratio: Melanopic/Photopic Ratio
LM302N DAY
LM302N DAY
LM302N NITE
77%
80%
80%
87%
88%
90%
0.10
0.21
0.31
0.42
0.52
0.63
1800K 2200K 2700K 3000K 3500K 4000K
M/P
R
atio*
Lower M/P ratio by directly controlling cyan enhances melatonin secretion levels
* M/P Ratio: Melanopic/Photopic Ratio
780730680630580530480430380
Conventional LED LM302N NITE
Key Considerations
* M/P Ratio: Melanopic/Photopic Ratio
** MDEI: Melanopic Daylight Equivalent Illuminance
Circadian
(M/P ratio*, MDEI**)
Eye Safety
(Blue light hazard)
Color Quality
(CCT, CRI)
Reliability
(Lifetime)
Efficacy
(lm/W)
There are key considerations in human-centric lighting to being a practical lighting
0
20
40
60
80
100
M/P Ratio
Efficacy
LifetimeCRI
Eye Safety
(BLH-1)
LM302N DAY
Controlling direct-cyan realizes well balanced energizing lighting solution
■ LM302N DAY
Blue Chip + Cyan Chip
■ Company A
nUV Chip + Blue Phosphor
■ Company B
Blue Chip + Short Green Phosphor
BLHMelanopicPhotopic
LM302N NITE
Controlling direct-cyan realizes well balanced relaxing lighting solution
0
20
40
60
80
100
M/P Ratio-1
Efficacy
LifetimeCRI
Eye Safety
(BLH-1)
BLHMelanopicPhotopic■ LM302N NITE
Blue Chip + Narrow Green Phosphor
(Cyan gap)
■ Company C
nUV Chip + Narrow Green Phosphor
(Cyan gap)
■ Conventional LED
Conventional Warm White
Clinical Test
• Subjects: 30 individuals from 20s to 50s
• Test Period: April 2019 – February 2020
• Conditions: 3 days and 2 nights under each lighting type*
Daytime (5000K, 500 lux), Nighttime (2200K, 190 lux)
※ Performed under human-centric lighting and conventional lighting in random order
Approved by IRB*
* IRB: Institutional Review Board
Melatonin levels measured under LM302N DAY & LM302N NITE
Clinical Test: Melatonin Level
0
5
10
15
20
25
12 13 14 15 16 17 18 19 20 21 22 23 24 01 02 03 04 05 06 07 08 09 10 11 12
Day (5000K, 500 lux) Day (5000K, 500 lux)Night (2200K, 190 lux) Turned Off
18 %
Suppression
5 %
Secretion
Sleep
Conventional LED
Norm
aliz
ed M
ela
tonin
Level (p
g/m
L)
Time of Day (h)
Melatonin level was 18% lower during the day and 5% higher at night
LM302N DAY + LM302N NITE
Clinical Test: Concentration & Sleep Level
Conventional LED
0 20 40 60 80
Sudoku test
0 50 100 150 200 250 300
d2 test
3% ↑
10% ↑
Rela
ted M
ela
tonin
Level
Time of Day (h)
18 20 22 24 02 04 06 08 10 12
Max
(100%)
DLMO*
(25%)
04:06 04:34
23:00 23:52
LM302N DAY LM302N NITE52-min. faster time to deep sleep3-10% higher concentration level
* DLMO: Dim Light Melatonin Onset (25% of melatonin max.)
※ Melatonin Real Data Fitting
Score
Score
Conventional LED LM302N NITELM302N DAY
Applications: LM302N DAY
LM302N DAY 3000K – 6500K
Conventional LED Application: Office, School, Factory, Gym, etc.
1800
2200
27003000
3500
4000
6500
57005000
4000
3500
3000
MD
EI (l
ux)
CCT (K)
Maximizing energizing effects under various CCTs
Applications: LM302N NITE
LM302N NITE 1800K – 4000K
6500
57005000
4000
3500
3000
1800
2200
27003000
3500
4000
CCT (K)
MD
EI (l
ux)
Conventional LED Application: Meditation Class, Home, Accommodation, Yoga Studio, etc.
Maximizing relaxing effects under various CCTs
Applications: LM302N DAY & LM302N NITE
LM302N DAY (5000K) + LM302N NITE (2700K)
CCT (K)
6500
57005000
4000
3500
3000
1800
2200
27003000
3500
4000
Conventional LED Application: Healthcare Institutions, Residences, etc.
MD
EI (l
ux)
Maximizing circadian entrainment
Applications: LM302N DAY & LM302N NITE
LM302N DAY (3000K) + LM302N NITE (3000K)
CCT (K)
6500
57005000
4000
3500
3000
1800
2200
27003000
3500
4000
Conventional LED Application: Residences, Healthcare Institutions, etc.
MD
EI (l
ux)
Naturally optimizing circadian entrainment without any notice
Thank you