Final Report by Luminaires, etc.
Evaluation Standards Working Group, Energy Efficiency
Subcommittee, Energy Efficiency & New Energy
Sectional Committee of the Advisory Committee for
Natural Resources and Energy

September 27, 2013
Ministry of Economy, Trade and Industry

1

The luminaires, etc. evaluation standards working group deliberated on evaluation
standards, etc. (the deliberation included the scope, categories, target fiscal year, target
standard values, measurement methods, etc. of bulb-type LED covered by this report)
for manufacturers and importers of self-ballasted LED-lamp (hereinafter referred to as“manufacturers, etc.”) for the purpose of improving the performance of these products
and prepared this report as follows.
1. Target scope [See Attachment 1]
The self-ballasted LED-lamps covered by this report are those which belong to JIS
C 8158 (Self-ballasted LED-lamps for general lighting services by voltage > 50V) in2012 (hereinafter referred to as “JIS C 8158”) and the code representing category andconfiguration specified is “A type (LDA)” and the code representing category of the cap
is E26 and E17. “T type (LDT)” and “G type (LDG)” other than (LDA) shall be
excluded from the scope because they are used enormously small number in themarket such as 0.7% for LDT and 1.4% for LDG respectively. Additionally, following
items shall be excluded from the scope.
①Self-ballasted LED-lamp with corresponding function for dimmer. (Because ratio
for the volume of shipment of self-ballasted LED-lamp in basic year is extremely
small to be 5%, and there are large variations of efficacy difference by conformance
rate with dimmer.)② Self-ballasted LED-lamp more than 90 of average color rendering evaluation
number (hereinafter referred to as “Ra”). (due to only Self-ballasted LED-lamps
with corresponding function for dimmer control.)
2. Matters to be considered as evaluation standards for manufacturers, etc.
(1) Target fiscal year [See Attachment 2.]
The target fiscal year shall be FY2017.
(2) Categories for setting targets and target standard values [See Attachments 3 and 4.]
Categories and Target Standard Values shall be in accordance with Table 1.

2

Table 1 Categories and Target Standard Values of Self-ballasted LED-lamps
Category

Light Source Color

Target Standard Value(see attachment 3 Table 1)[lm/W]

1

Daylight, Neutral white, White

110.0

2

Warm white, Lamp color

98.6

As regards self-ballasted LED-lamps to be shipped by manufacturers, etc. in thedomestic market in the target fiscal year, it is required that the values obtained by
calculating weighted averages of the energy consumption efficacy [lm/W] of those
products measured according in paragraph (3) below, for each category of the table 1
according to the number of units shipped shall not be below the target standard
values.

Category

Light

Color

[Basic[Basic[TargetImproved

Improved

Source

Rende

Year]

Year]

FiscalRatio from

Ratio from

Color

ring

Weighted

Top

Year]

Top

Weighted

Index

Average

RunnerTargetRunnerAverage

Efficacy

ValueStandard

Value (%)

Efficacy(lm/W)

Value(lm/W91

Daylight,

90

orNeutral

more

-

-

87.8

-

-

77.1

104.4

110.0

5.4

42.7

-

-

79.0

-

-

61.3

91.1

99.0

8.7

61.5

white,
2

White

Less
than
90

3
4

Warm

90

or

white,

more

Lamp

Less

color

than
90

(3) Method for measuring energy consumption efficacy [See Attachment 5]
The energy consumption efficacy shall be value obtained total luminous flux (lm) of3

the self-ballasted LED-lamp divided by electric power consumption (W) of theself-ballasted LED-lamp and calculated by the following formula.
Total luminous flux (lm) of the self-ballasted
The energy consumption efficacy ＝LED-lamp
Electric power consumption (W)of theself-ballasted LED-lamp
The measuring method of total luminous flux of the self-ballasted LED-lamp shall bein accordance with JIS C 7801 (Measuring methods of lamps for general lighting): 2012
and its amendment in 2012 and 2014 (hereinafter referred to as “JIS C 7801”).
Additionally, the measuring method of electric power consumption of theself-ballasted LED-lamp shall be in accordance with JIS C 8157 (Self-ballasted
LED-lamps for general lighting services > 50 V-Performance requirements): 2011
(hereinafter referred to as “JIS C 8157”).
(4) Items to be indicated, etc.
① Items to be indicated
The indicating items shall be following i) through ix).
a) Product name or model nameb) Category codec) Total luminous fluxd) Electric power consumptione) Energy consumption efficacyf) Light source colorg) Name of manufacturer, etc.
h) The accredited testing laboratory (※1) should have measured iii) total luminous
flux and iv) electric power consumption.
(※1) The accredited testing laboratory are referred to those who are registeredaccording to provision of Japan Industrial Standardization Act (Act No. 57,
Item No. 1).
(※2) Examples of the indicating items (Package)
Indicate followings on the package

4

Total luminous flux 75lm (※)
Electric power consumption 8W (※)

JNLA Accredited laboratory (000000JP) test(＊) Refer to Instruction manual or Brochure· Indicate ( ＊ ) at the side of total luminous flux and electric power
consumption“000000JP”: Registry number of accredited testing laboratory who
performed the measurement·Writing manner of instruction manual and brochure, e.g. .
“These rated values are indicated with our responsibility based on test
result(s) by JNLA accredited testing laboratory.”(i) Production date or Lot code
② Matters to be complied with
1) Total luminous flux shall be indicated in lumen [lm] unit.
2) Electric power consumption shall be indicated in watt [W] unit.
3) The energy consumption efficacy shall be indicated in lumen per watt [lm/W]
unit, and shall be expressed by the number down to the first digid after thedecimal point.
4) Light source color shall be indicated according to JIS Z 9112 (Classification offluorescent lamps and light emitting diodes by chromaticity and colour
rendering property) : 2012 (hereinafter referred to as “JIS-Z-9112”).
5) Items included in ① shall be indicated as follows;·Indicate on the package:a) through d) and h)· Indicate on instruction manual, brochure and documents presented bymanufacturers, etc. at selection of the product: a) through d) and h)·Indicate on brochure and documents presented by manufacturers, etc. atselection of the product: e) through g)·Indicate on the product body: i)
5

3. Proposals for energy conservation(1) Actions of Government① From viewpoint of retrofitting incandescent lamp to high efficacy lighting such as
self-ballasted fluorescent lamp (sometime called CFL) and self-ballasted LED-lamp,
etc. (hereinafter referred to as “self-ballasted LED-lamp, etc.”, the government
should endeavor to implement necessary measures such as diffusion andpublication, etc. of those products to promote actions of users and manufacturers,
etc.
② The government should endeavor to use the excellent products with exceedingtarget standard energy consumption efficacy, according to proper color dendition Ra
in JIS Z 9110 (General rules of recommended lighting levels)(hereinafter refered toas “JIS Z 9110”) and corresponding the function of the dimmer at government officebuilding, etc.
③ The government should regularly and continuously comprehend implementing
status of indications by manufacturers, etc. and should endeavor to put thestandard of proper evaluation into effect to propose correct and easy information inregard to energy consumption efficacy for users.
④

The government should endeavor to internationally diffuse the energy

consetvation standard based on top runner method, since it is very useful method toachieve energy saving of equipment.
⑤ The government should make consideration to promote excellent products ofenergy consumption efficacy based on activity condition, etc. of performance testing
status, production, distribution, and sales of self-ballasted LED-lamp .
(2) Actions of manufacturers, etc.
① Manufacturers, etc. shall endeavor to promote the development of energy
conservation technologies for high efficacy lighting such as self-ballasted
LED-lamp, etc.
② From viewpoint of diffusing self-ballasted LED-lamp with excellent energy
consumption efficacy gather with proper color rendition in JIS Z 9110,
manufacturers, etc. shall endeavor to provide appropriate information for users toencourage them to choose self-ballasted LED-lamp with excellent energy
conservation performance utilizing Energy Conservation Label specified in JIS C
9901 (Method of calculation and representation of energy efficiency standard
6

achievement percentage of electrical and electronic appliances): 2010 (hereinafterreferred to as “Energy Conservation Label”). Additionally, the indication content of
the label should be easily understood, avoiding any misunderstanding.
③ Manufacturers, etc. shall endeavor to promote better understanding of users inregard to high efficacy lighting of self-ballasted LED-lamp, etc., and shall endeavor
to explain the production of easy exchange from incandescent lamp for users toencourage them to choose, when they purchase high efficacy lighting ofself-ballasted LED-lamp, etc.
④ Those manufacturers, etc. who have own test facilities shall endeavor to beregistered as an accredited testing laboratory.
⑤ Manufacturers, etc. shall endeavor to provide information intending excellent
energy conservation performance by proper and effective use of self-ballasted
LED-lamp.
(3) Actions of users① Users shall endeavor to choose self-ballasted LED-lamp which is excellent forenergy consumption efficacy gather with proper color rendition in JIS Z 9110 andmeasured by accredited testing laboratory, effectively utilizing information of“Energy Conservation Label” etc. and users shall promote energy conservation byproper and effective use with positively applying the installation of energy
conservation when purchasing self-ballasted LED-lamp.
② Users shall endeavor to choose appropriate self-ballasted LED-lamp, etc.
considering envisaged family unit and environment to exert to the maximum extent
the capability and energy conservation performance of self-ballasted LED-lamp,etc.
③

Users shall endeavor to retrofit incandescent lamp to excellent energy

consumption efficiency lighting with high efficiency such as self-ballasted
LED-lamp, etc.
④ Users shall endeavor to save energy by effective use with proper brightness, etc.
utilizing dimmer function considering lighting purpose when using the luminaires.
(4) Actions of lighting designers who select self-ballasted LED-lamp, etc.
① Designers shall endeavor to select excellent product for energy consumption
efficacy gather with proper color rendition in JIS Z 9110 effectively utilizing energy
conservation information.
② Designers shall endeavor to retrofit from incandescent lamp to excellent energy
7consumption efficient product such as self-ballasted LED-lamp, etc.
③ Designers shall endeavor to save energy by effective use with proper brightness
for users utilizing the function for dimmer considering lighting purpose of users
when selecting the luminaires.
(5) Action of sales business operators① Sales business operators shall endeavor to sell self-ballasted LED-lamp which is
excellent for energy consumption efficacy gather with proper color rendition in JIS
Z 9110 and measured by raccredited testing laboratory, and shall endeavor toprovide proper information for users to select self-ballasted LED-lamp which is
excellent for energy consumption efficacy utilizing Energy Conservation Label, etc.
Additionally, the indication content of the label, etc. should be easily understood,
avoiding any misunderstanding.
② From viewpoint of providing proper information at store front, etc. sales business
operators shall endeavor to implement information collection and sales personnel
education in regard to energy saving of self-ballasted LED-lamp, etc.
③ Those who sell self-ballasted LED-lamp, etc. installing in the building, also shallendeavor to select and install self-ballasted LED-lamp, etc. which is excellent forenergy consumption efficacy for residents of the building to use the self-ballasted
LED-lamp, etc. which is excellent for energy consumption efficacy.

8Attachment 1

Target Scope of Self-ballasted LED-lamp
Applicable scope of self-ballasted LED-lamp shall be those which the code representing
category and configuration specified in JIS C 8158 is “A type (LDA)” and the code
representing category of the cap is “E26” and “E17”. “T type (LDT)” and “G type (LDG)”
other than A type (LDA) shall be excluded from the scope because they are usedenormously small number in the market such as 0.7% for LDT and 1.4% for LDG
respectively.
Additionally, following items shall be excluded from the scope because ①those which
are used for special purpose, ②those which technical methods for measurement andevaluation have not been established, and ③those which use ratio in the market isextremely low.
①Self-ballasted LED-lamp with corresponding function for dimmer. (Because ratio
for the volume of shipment of self-ballasted LED-lamp in basic year is extremely
small to be 5%, and there are large variations of efficiency difference byconformance rate with dimmer control.)② Self-ballasted LED-lamp more than Ra 90. (Because applicable scope is only withcorresponding function for dimmer.)
The code representing category andconfiguration of the lamp

Cap

E17

The volume of shipment[pieces](with dimming function)
5,748,726(689,480)
13,564,146(376,717)

Share

29.2%

A typeE26

T type-131,973(0)0.7%

G type-297,589(48,845)

1.4%

68.8%

19,742,434(1,115,042)

Total(Source) Fiscal Year 2011 Shipment Data: Voluntary Statistics of The Japan Lighting
Manufacturers Association (Major 7 Companies)

9

Attachment 2
Target fiscal year, etc., of self-ballasted LED-lamp
1. Target fiscal year
Significant progress for energy consumption efficacy of self-ballasted LED-lamp shallgreatly depend on the development of LED package. However, we cannot expect
improvement of energy consumption efficacy every time at product development ofself-ballasted LED-lamp, because the product development is implemented focusing on
customer needs.
Therefore, surveying product development for several times, we noticed that theenergy consumptionefficacy has been improved with around two years interval.
It is necessary to have at least two or three times opportunity of product development
until target fiscal year to improve sufficient energy consumption efficacy.
Therefore, it is reasonable to make FY2017 as the target fiscal year of self-ballasted
LED-lamp which is six years after basic year FY2011.
2. Improvement in the target fiscal year
The improvement ratio of the energy consumption efficacy in the target fiscal year isestimated to be 50.8% against the current weighted average efficacy value based on thepremise that the number of units shipped and the product composition of each category
in basic fiscal year remain unchanged.
<Outline of estimation>(1) The energy consumption efficacy calculated based on the self-ballasted LED-lamps
actually shipped in the basic fiscal year: 69.2 lm/W
(2) The energy consumption efficacy per unit calculated based on the target standard
values of self-ballasted LED-lamps expected to be shipped in the target fiscal year
making weighted averages with the number of units shipped: 104.3 lm/W
(3) Improvement ratio of energy consumption efficacy:(104.3–69.2)
69.2

×100 = 50.8 %10Table 1 Category and Target Standard Value of Self-ballasted LED-lamp
Category

Light

Shipmen[Basic[Basic[TargetImproved

Improved

Sourcet record

Year]

Year]

FiscalRatio from

Ratio fromColor

(record of

Weighted

Top

Year]

Top Value

Weighted

2011)

Average

RunnerTarget[%]Average

Efficacy

ValueStandard

Efficiency[lm/W][lm/W]

Value(%)[lm/W]
Daylight,
Neutral1white,

9,134,68

White

8

77.1

104.4

110.0

5.4

42.7

61.3

91.1

98.6

8.2

60.8

Warm
2

white,

9,111,987

Lamp color(Source) Fiscal Year 2011 Shipment Data: Voluntary Statistics of The Japan Lighting
Manufacturers Association (Major 7 Companies)
Category

Light Source[Basic[Basic[TargetImproved

Color

Year]

Year]

FiscalRatio from Ratio from

Weighted

Top

Year]

Top Value

Weighted

Average

RunnerTarget[%]Average

Efficacy

ValueStandard

Efficiency[lm/W][lm/W]

Value[%]

Improved[lm/W]
Daylight
color,
1

Neutral

77.1

104.4

110.0

5.4

42.7

61.3

91.1

98.6

8.2

60.8

white color,
White color
Warm white2

color,
Lamp color

11

Attachment 3

Categories for Setting Targets of Self-ballasted LED-lamps
1. Basic idea
Self-ballasted LED-lamps shall be classified based on the principles referred to as“the basic idea concerning the development and revision of evaluation standards for
manufacturers, etc. to be considered in relation to the improvement in performance ofspecific equipment” (the 10th Energy Efficiency Standards Subcommittee of theAdvisory Committee for Natural Resources and Energy, revised on June 18, 2007)(hereinafter referred to as “the principles”).
“The basic idea concerning the development and revision of evaluation standards
for manufacturers, etc. to be considered in relation to the improvement in
performance of specific equipment”- Extract –Basic idea for classification configuration and target standard value configuration
Principle 2: Specific equipment is classified based on certain indices. The indices(basic indices) are those which are deeply related to energy consumption
efficiency such as physical amount and functions, and they are
determined considering coefficients which consumers use as criteria
when choosing products (coefficients representing consumers’ needs).
Principle 3: Target standard values are determined by one value or functional
formula for each category for which it is possible and appropriate totarget at the same energy consumption efficiency.
Principle 4: When setting categories, additional functions are disregarded inprinciple. However, there may be a case in which, if the energy
consumption efficiency of a product without an additional function is set
as a target standard value, other products with the additional function
may have to withdraw from the market because they cannot comply withthe target standard value, despite the fact that the needs for the latterproducts are thought to be high in the market. If the probability of suchcase is high, then it is acceptable to make another category (sheet) for
those products.
Principle 5: As regards products which are expensive but excellent in the energy
consumption efficiency because of using advanced energy saving
technologies, although it is possible to classify them into a separate
category, it is desirable to treat them in the same category with others
wherever possible so that manufacturers can actively sell the productswith excellent energy consumption efficiency.
Principle 6: When setting a target standard value for a category, special products
shall be excluded. However, availability of technologies employed in
12such special products shall be also reviewed when studying the future
performance improvement possibly realized by technology development,etc.

2. Specific classification method(1) Light source color of self-ballasted LED-lamp
Considering the fact that the characteristics of self-ballasted LED-lamp become
different according to the light source color and it affects their energy consumption
efficacy, the self-ballasted LED-lamps are classified as follows.
The light source color shall be categorized into five classes of daylight, neutral
white, white, warm white, and lamp color specified in JIS Z 9112. The difference oflight color source is caused by difference of correlated color temperature (K)【Table 1】,
and since this difference affects to the value of total luminous flux, daylight, neutral
white, white are bundled together in a group, and warm white, and lamp color in theother group considering energy consumption efficacy by shipment of FY 2011 (basic
fiscal year).
Even though products of white and warm white are not shipped at the moment,
white is classified in daylight / neutral white and warm white color is classified inlamp color, considering difference of correlation color temperature in JIS Z 9112
classification.
Table 1 Category of light source color and classification ofcorrelated color temperature
Category of Light Source
Code
Correlated Color
Color
Temperature (K)Daylight
D
5,700 ~ 7,100
Neutral whiteN
4,600 ~ 5,500
WhiteW
3,800 ~ 4,500
Warm whiteWW
3,250 ~ 3,800
Lamp colorL2,600 ~ 3,250
Source : JIS Z 9112 Table 2 – Chromaticity range of LED light source color

13(2) Color rendering properties of self-ballasted LED-lamp
The color rendering properties are engaged to important requirement for lighting,and the Ra minimum values are specified in detail according to application by JIS Z
9110 (General rules of recommended lighting levels): 2011 referred from CIE(Commission Internationale de I’Éclairage) publication 【Table 2】. From viewpoint ofretrofitting an incandescent lamp to self-ballasted LED-lamp, higher energy
conservation efficient products shall be selected with satisfying color rendering
properties required by usage environment.
Average Ra of shipment record in FY2011 were 72 for category 1, 78 for category 2,
75 for overall average, and Ra of top runner value were 80 for both category 1 andcategory 2. The Ra 90 products alone were extremely high comparing other products.
However, shipment rate is extremely small, since the products were shipped by one
company.
Since products above Ra 90 shall be excluded from the scope, classification of color
rendering properties category shall not be set.
Table 2 Indication division of color rendering properties
Level
Range of Ra
Application example
Recommendation
Allowance
1A
Color matching,90≦Ra
Clinical therapy,
Art gallery
1B
80≦Ra≺90
House, Hotel,
Restaurant,
Premises, Office,School, Hospital,
Printing, Paint andtextile factory, Shop
work with severe
requirement
260≦Ra≺80
Shop work
Office, School
3
40≦Ra≺60
Rough work
Shop work
4
10≦Ra≺40
Passage (notcorridor), storeroomndSource: CIE 29.2 “Guide On Interior Lighting 2 ed.”3. Summary of classifications
Based on the ideas stated in paragraph 2 above, the categories are made as per
Table 3 below.
Table 3 Categories of Self-ballasted LED-lamps
Category

Light Source Color

1

Daylight color, Neutral white color, White color

2

Warm white color, Lamp color
14

Attachment 4

Target Standard Values for Self-ballasted LED-lamps

1. Basic idea
Target standard values are set based on the idea of Top Runner method. The
specific ideas are as follows.
1) Target standard values shall be set for every category that has been defined
appropriately.
2) As for categories where technological advances in the future are expected to
improve the performance of products, target standard values shall allow for
improvement as much as possible.
3) Target standard values shall not conflict with each other among categories.
2. Specific technologies for improving energy consumption efficacy(1) Technical improvement in structural area
Since technology in structural area of self-ballasted LED-lamp greatly utilizes
established technology in the compact fluorescent lamp, we can not expect significant
technology improvement. However, approximately 2 ~ 3 % improvement would bepossible to achieve by improvement of heat release technology to prevent temperature
increase around element joint parts, and technical improvement of optical diffusion
cover to reduce light loss in the lamp.
Therefore, total efficiency from input electricity to light flux would be improved
from approx. 70 % to approx.73 %.
Additionally, since recent technical developments such as downsizing of equipment,
wide light distribution, and high color rendition based on market needs are trade-off
relation with energy consumption efficacy improvement, we can hardly expect forenergy consumption efficacy improvement.
(2) Technological improvement for LED package performance
Energy consumption efficacy improvement would greatly depend on technicalimprovement of package performance. Especially regarding to chips, approximately 1~ 4 % would be improved with improvement of chip internal quantum efficiency andelectric resistance reduction of chip content.

15

Table 1. Technological improvement room for self-ballasted LED-lamps
Example of

Example of improvement

Improvement oftechnologicalefficacy

area(estimation)

Structural
performance

1. Improvement of heat release technologies to

Improveprevent temperature increase from element

approx. 2 ~ 3 %joint parts(common in· Housing material: Improvement of heat

category 1 andconductivity

2)· Fin configuration: Fin interval, Improvementof surface area
· Total length: Modification of length
2. Improvement of apparatus efficiency
technologies to reduce light loss at diffusion
cover· Optimization of configuration and area
· Improvement of permeation of diffusionmaterial· Optimization of arrangement of structuralparts and diffusion characteristics
LED package· Improvement of internal quantum efficiency of

performancechip emission layer (improvement of reunion

approx. 1 ~ 4 %(LED Luminous

probability between positive hole and electron)(differs withefficacy)· Reduction of electric resistance in chip
(improvement by reduction of forward voltage
Vf)· Improvement of light emitting efficiency (bytotally reduction of reflection loss andabsorption)

16

Improvecategory)Diffusion
cover

Resin

LED Package

樹脂カバー
cover

Heat

Fluorescent

蛍光体

material

releasehousingLighting
circuitLED
Chip (Fig. 3)
ＬＥＤチップ（図３）Fig. 1 Self-ballasted LED-lamp

Fig. 2 LED package

17

青色光
Blue
light
Current
電流

電極パッド（アノード）
Electrode pad (anode)
透明電極
Transparent
electrode
Electrode pad

p-GaN

電極パッド（カソード）(cathode)p-AlGaN
発光層InGaN
Emission
layer
InGaN

n-GaN
Sapphire
substrate
サファイヤ基板

Fig. 3 LED Chip

18

3. Specific target standard values
Target standard values are set based on the technological improvements at structuralarea and package performance as described previously from Top Runner value.
In particular, efficacy of the package shall be estimated from Top Runner based on
total efficacy (approx. 70 %), and the target standard value shall be set considering total
efficacy (approx. 73 %) based on technological improvement of the package (approx. 1 ~4 % improvement) from the efficacy and technological improvement of structural area.
(1) Target standard value of Category 1
Target standard value of Category 1 (110.0 lm/W) shall be estimated to be 149.1 lm/Wwith package efficacy based on total efficacy (approx. 70 %) from top runner value (104.4
lm/W) in basic fiscal year.
The package efficacy of target standard would be 150.0 lm/W with considering
package technical improvement (approx. 1 %) from package efficiency (149.1 lm/W).
The target standard values of Category 1 shall be set considering the technologicalimprovements at structural area (approx. 73 %) from package efficacy of target
standard value (150.0 lm/W).
(2) Target standard value of Category 2
Target standard value of Category 2 (98.6 lm/W) shall be estimated to be 130.1 lm/Wwith package efficacy based on total efficacy (approx. 70 %) from top runner value (91.1
lm/W) in basic fiscal year.
The package efficacy of target standard would be 135.0 lm/W with considering
package technical improvement (approx. 4 %) from package efficacy (130.1 lm/W).
The target standard values of Category 2 shall be set considering the technologicalimprovements at structural area (approx. 73 %) from package efficacy of target
standard value (135.0lm/W).
Table 2 Target standard values of Self-ballasted LED-lamps
Category

Light Source Color

Target Standard Value[lm/W]

1

Daylight, Neutral white, White

110.0

2

Warm white, Lamp color

98.6

19

Category

Light

Color

[Basic[Basic[TargetImproved

Improved

Source

Rende

Year]

Year]

FiscalRatio from

Ratio from

Color

ring

Weighted

Top

Year]

Top

Weightedindex

Average

RunnerTargetRunnerAverageRa

Efficacy

ValueStandard

Value (%)

Efficacy(lm/W)

Value(lm/W91

Daylight,

90 or

Neutral

more

-

-

87.8

-

-

77.1

104.4

110.0

5.4

42.7

-

-

79.0

-

-

61.3

91.1

99.0

8.7

61.5

white,
2

White

Less
than
90

3
4

Warm

90 or

white,

more

Lamp

Less

color

than
90

20

Energy consumption efficiency
Target standard value 110.0
Top value 104.4
2011 FY
Weighted average value(Category 1) 77.1

2011 FY Shipment record (Category 1)

Average color rendering index (Ra)Fig. 2 Distribution of energy consumption efficiency of Category 1
Energy consumption efficiency
Target standard value 98.6
Top value 91.1
2011 FY Weighted average value(Category 2) 61.3

2011 FY Shipment record (Category 2)

Average color rendering index (Ra)Fig. 3 Distribution of energy consumption efficiency of Category 2

21

Attachment 5

Energy Consumption Efficacy and its Measuring Methodof Self-ballasted LED-lamps
1. Basic idea
The energy consumption efficacy of Self-ballasted LED-lamp shall be the totalluminous flux per consumed power [lm/W], since it is reasonable to adopt thebrightness quantity of Self-ballasted LED-lamps as index.
The energy consumption efficacy measurement shall be done by reliable testinglaboratory qualified by JIS measurement.
2. Specific energy consumption efficacy and its measuring method etc. of Self-ballasted
LED-lamps(1) Energy consumption efficacy
The energy consumption efficacy of self-ballasted LED-lamps shall be calculated by
dividing total luminous flux [lm] of self-ballasted LED-lamps by consumed power [W]of self-ballasted LED-lamps.

energy consumption efficacy [lm/W]＝

total luminous flux [lm] of self-ballasted
LED-lamps
consumed power [W] of self-ballasted
LED-lamps(2) Method for measuring energy consumption efficacy
Total luminous flux measuring method of self-ballasted LED-lamps shall be bymeasuring method of total luminous flux specified in JIS C 7801. Consumed power
measuring method of self-ballasted LED-lamps shall be by measuring method of
consumed power specified in JIS C 8157.
(3)Practical use of Accredited Testing Laboratory Operator system① Discrepancy issue between published value and actual measurement value
According to the investigation by JLMA (Japan Lighting Manufacturers
Association) (see separate report), there exist products exceeding acceptable range
established by JIS C 8157 between declared value by manufacturer and actual
measurement value.

22One of the factors is considered to be difficulty of measurement of total luminous
flux [lm]. Excellent engineers having sufficient technology and knowledge to finderror (uncertainty) caused from measurement are required to implement correct
measurement. However, because of increased participation of new entry oforganizations which do not have such engineers by market expansion,
measurement results with discrepancy are possible to be used as declared value
directly. Therefore, products with discrepancy between the published value and theactual measurement value are possible to spread in the market.
②In order to resolve above ① issue, it is necessary to place announcement based onprovision of Article 78 paragraph 1 and Article 80 regarding rationalization ofenergy use (“Standard for judgment, etc. of manufacturers, etc. in regard to
performance improvement of self-ballasted LED-lamp” (provisional title)) to
JNLA (Japan National Laboratory Accreditation) System based on Japan
Industrial Standardization (JIS) Act.
Manufacturers, etc. shall require measurement of total luminous flux and energy
consumption to Accredited Testing Laboratory Operator for products selecting fromone’s own products, and shall indicate the rated value according to JIS C 8157 withown responsibility based on the relevant measurement result.
If the manufacturer, etc. did not indicate the energy consumption efficacy based on
the measurement by the Accredited Testing Laboratory Operator, action shall betaken based on provision of Energy Saving Act 81 (Admonishment and orderregarding indication).

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(Separate report)
Result of purchasing investigation regarding Self-ballasted LED-lamps
JLMA (Japan Lighting Manufacturers Association) had purchased 24 models of 12
companies of Self-ballasted LED lamps during March through July, 2010, andimplemented performance measurement after bringing them in the Japan Electrical
Safety & Environment Technology Laboratories. There were 12 models which were outof acceptable range (more than 90% of declared value ( ※ )) specified in JIS C
8157(models with boxed companies).
(※) JIS C 8157 (Self-ballasted LED-lamps for general lighting services >50 V-Performance requirements) requires that total luminous flux of the Self-ballasted
LED-lamp shall be more than 90% of declared value (rated value).

24

“Purchase investigation report of Self-ballasted LED-lamp (Sep. 15, 2910)

luminous flux (lm)Daylight color, Neutral white color
Published value

Total

Actual measurement value

103% 106%

99%

91%

89%

99%

97%

77%

79%

85%

78%

101%

Published value
Actual measurement value

Total luminous

flux (lm)Bulb color

125% 104%

87%

93%

100% 102% 87% 84%

25

78% 69% 79%

47%

Attachment 6

Luminairs, etc. Evaluation Standards Working Group,
Energy Efficiency Standards and New Energy Subcommitteeof the Advisory Committee for Natural Resources and Energy
Meeting History
First Subcommittee Meeting of Energy Saving Standards for Luminairs, etc.
Evaluation Standards (November 29, 2012)- Disclosure of the Luminairs, etc. Evaluation Standards Subcommittee- Current status around lighting industry- Scope of Self-ballasted LED-lamp (Draft)- Energy consumption efficacy of Self-ballasted LED-lamp and its measuringmethod (Draft)- Others
First Energy Saving and New Energy Subcommittee, Energy Saving Subcommittee,
Luminairs, etc. Evaluation Standards Working Group (July 9, 2013)- Classification for setting target for Self-ballasted LED-lamp (Draft)- Target fiscal year and target standard values for Self-ballasted LED-lamp (Draft)- Interim report (Draft)- Others

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Attachment 7
Luminairs, etc. Evaluation Standards Working Group,
Energy Efficiency Standards and New Energy Subcommitteeof the Advisory Committee for Natural Resources and Energy
List of Members
Chairman: Kennchi Akika

Affiliate Professor, The Open University of Japan,
Learning Center

Members: Kazuhiro Ookawa

Professor, Applied Physics, Department of Science,
Tokyo University of Science

Katsuo Seda

Executive Advisory Engineer, National Institute ofTechnology and Evaluation

Daisuke TanakaSeda
Yoshiki Nakamura

An Associate Professor, Department of Science andEngineering, Tokyo Institute of Technology

Masashi Hanagata

Diagnosis · Leading Manager, Energy Conservation
Promotion

Technology

Headquarters,

EnergyConservation Center

Atsushi Honda

Japan Building Mechanical and Electrical Engineers
Association (Deputy Representative, Facility Design
Department, Nikken Sekkei Ltd.)

Chiharu Murakoshi

Deputy Director, Jyukankyo Research Institute ink.

≺Observers≻
Tetsuji Takeuchi

SpecialAdvisor,Japan

Lighting

Manufacturer

Association
Seimei Naitou

Board of Directors, Japan Lighting Manufacturer
Association

27