ENERGY STAR® Program Requirements
Product Specification for Displays
Eligibility Criteria
Version 8.0

Following is the Version 8.0 ENERGY STAR product specification for Displays. A product shall meet all of
the identified criteria if it is to earn the ENERGY STAR.

1 DEFINITIONSA) Product Types:
1) Electronic Display (Display): A product with a display screen and associated electronics, often
encased in a single housing, that as its primary function produces visual information from (1)a computer, workstation, or server via one or more inputs (e.g., VGA, DVI, HDMI, DisplayPort,
IEEE 1394, USB), (2) external storage (e.g., USB flash drive, memory card), or (3) a network
connection.
a) Monitor: An Electronic Display intended for one person to view in a desk-based
environment.
b) Signage Display: An Electronic Display intended for multiple people to view in nondesk-based environments, such as retail or department stores, restaurants,
museums, hotels, outdoor venues, airports, conference rooms or classrooms. For the
purposes of this specification, a Display shall be classified as a Signage Display if itmeets three or more criteria listed below:(1) Diagonal screen size is greater than 30 inches;(2) Maximum Reported Luminance is greater than 400 candelas per square meter;(3) Pixel density is less than or equal to 7,000 pixels per square inch;(4) Ships without a mounting stand designed to support the display on a desktop; or(5) Contains RJ45 or RS232 physical ports.
c) Tiled Display System: A testable configuration of Signage Displays in which multiple
Signage Displays are tiled together contiguously and supported by one or more
modular external controllers and one or more modular external power supplies to
produce a single larger image.
(1) Maximum Tiled Configuration: A Tiled Display System configured with the
maximum number of Signage Display panels supported by the same set of
external support modules (e.g., power supplies, controllers, etc.) that are needed
to support a configuration with two panels.
B) Operational Modes:
1) On Mode: The mode in which the Display has been activated and is providing the primaryfunction.
2) Sleep Mode: A low-power mode in which the Display provides one or more non-primary
protective functions or continuous functions.
Note: Sleep Mode may serve the following functions: facilitate the activation of On Mode via
remote switch, Touch Technology, internal sensor, or timer; provide information or status
displays including clocks; support sensor-based functions; or maintain a network presence.

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3) Off Mode: The mode where the Display is connected to a power source, produces no visual
information, and cannot be switched into any other mode with the remote control unit, aninternal signal, or an external signal.
Note: The Display may only exit this mode by direct user actuation of an integrated powerswitch or control. Some products may not have an Off Mode.
C) Displays Settings and Menus
1) Preset Picture Setting: A preprogrammed factory setting obtained from the Display menu
with pre-determined picture parameters such as brightness, contrast, color, sharpness, etc.
2) Default Picture Setting: The Preset Picture Setting tested and recognized according to the
ENERGY STAR test method. The Default Picture Setting is typically the Preset Picture
Setting in the model’s as-shipped default state. If the Display has a Forced Menu, theDefault Picture Setting is the Preset Picture Setting identified according to the ENERGYSTAR test method, usually the setting labeled “Standard” or “Home.”
3) Forced Menu: A series of menus which require the selection of initial settings before
allowing the user to utilize primary functions. These menus may contain an option to selectbetween the Default Picture Setting and other picture settings not tested in the ENERGYSTAR test method.
Note: In the case that no standard setting or equivalent exists, the default setting
recommended by the manufacturer is considered the Default Picture Setting for the
purposes of this specification.
D) Visual Characteristics:
1) Ambient Light Conditions: The combination of light illuminances in the environment
surrounding a Display, such as a living room or an office.
2) Automatic Brightness Control (ABC): The self-acting mechanism that controls the brightnessof a Display as a function of Ambient Light Conditions.
Note: ABC functionality must be enabled to control the brightness of a Display.
3) Color Gamut: The range of color supported within the CIE LUV 1976 u' v' color space andcalculated per Section 5.18 Gamut Area of the Information Display Measurements Standard
Version 1.03.
Note: Any gamut support in non-visible/invisible color areas is not to be counted. The gamut
must be expressed as a percentage from 1% to 100% to the nearest 0.1% of the area of thevisible CIE LUV color space only.
4) High Dynamic Range (HDR): The ability to display images with greater range of contrast andcolor than what is considered standard dynamic range.
5) Luminance: The photometric measure of the luminous intensity per unit area of lighttravelling in a given direction, expressed in candelas per square meter (cd/m 2).
a) Maximum Reported Luminance: The maximum luminance the Display may attain at
an On Mode preset setting, and as specified by the manufacturer, for example, in theuser manual.
b) Maximum Measured Luminance: The maximum measured luminance the Display
may attain by manually configuring its controls, such as brightness and contrast.
c) As-shipped Luminance: The luminance of the Display at the factory default preset
setting the manufacturer selects for normal home or applicable market use.
6) Total Native Resolution: Resolution expressed as total pixel count in megapixels calculated
as the product of physical lines along the vertical and horizontal axes of the Display within
the visible area of the Display.

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Note: A Display with a screen resolution of 1920 x 1080 (horizontal x vertical) would have a
Total Native Resolution of 2.07 megapixels (MP).
7) Screen Area: The visible area of the Display that produces images.
Note: Screen Area is calculated by multiplying the viewable image width by the viewable
image height. For curved screens, measure the width and height along the arc of the
Display.
E) Additional Functions and Features:
1) Bridge Connection: A physical connection between two hub controllers (e.g. USB, FireWire).
Note: Bridge Connections allow for expansion of ports typically for the purpose of relocating
the ports to a more convenient location or increasing the number of available ports.
2) Full Network Connectivity: The ability of the Display to maintain network presence while in
Sleep Mode. Presence of the Display, its network services, and its applications, ismaintained even if some components of the Display are powered down. The Display canelect to change power states based on receipt of network data from remote network devices
but should otherwise stay in Sleep Mode absent a demand for services from a remote
network device.
Note: Full Network Connectivity is not limited to a specific set of protocols. Also referred toas “network proxy” functionality and described in the Ecma-393 standard.
3) Power Delivery: The capability, defined according to the USB Power Delivery Specification,1of the Display to supply variable power as well as exchange data with devices connected via
a USB connection.
4) Occupancy Sensor: A device used to detect human presence in front of or in the areasurrounding a Display.
Note: An Occupancy Sensor is typically used to switch a Display between On Mode andSleep Mode by detecting human presence or a combination of human presence and asignaling device such as Bluetooth device.
5) Touch Technology: Enables the user to interact with a product by touching areas on the
Display screen.
6) Plug-in Module: A modular plugin device for Signage Displays with compute functionalitythat provides one or more of the following functions:a) Display remote content streamed to it, such as images or screen mirroring, orotherwise render content on the screen from local or remote sources; orb) Process touch signals.
Note: Modules providing any other additional input options are not considered Plug-in
Modules for the purposes of this specification. Modules typically meet the Open Pluggable
Specification (OPS).
7) Embedded Module: A non-modular processor or computing system embedded in a Signage
Display that provides one or more of the following functions:a) Display remote content streamed to it, such as images or screen mirroring, orotherwise render content on the screen from local or remote sources; orb) Process touch signals.

1

USB Power Delivery Specification Rev. 3.0, Version 1.2, June 21, 2018.

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F) Product Family: A group of product models that (1) are made by the same manufacturer, (2) sharethe same Screen Area, Total Native Resolution, and Maximum Reported Luminance, and (3) are of acommon basic screen design. Models within a Product Family may differ from each other according
to one or more characteristics or features. For Displays, acceptable variations within a Product Family
include:1) External housing;2) Number and types of interfaces;
3) Number and types of data, network, or peripheral ports; and
4) Processing and memory capability.
G) Representative Model: The product configuration that is tested for ENERGY STAR certification and isintended to be marketed and labeled as ENERGY STAR.
H) Power Sources:
1) External Power Supply (EPS): An external power supply circuit that is used to convert
household electric current into dc current or lower-voltage ac current to operate a consumer
product.
2) Standard dc: A method for transmitting dc power defined by a well-known technology
standard, enabling plug-and-play interoperability.
Note: Common examples are USB and Power-over-Ethernet. Usually Standard dc includes
both power and communications over the same cable, but as with the 380 V dc standard,that is not required.

2 SCOPE
2.1

Included Products

2.1.1

Products that meet the definition of a Display as specified herein and are powered directly fromac mains, an External Power Supply, or Standard dc are eligible for ENERGY STAR certification,with the exception of products listed in Section 2.2. Typical products that would be eligible forcertification under this specification include:i.

Monitors;ii.

Signage Displays;iii. Signage Displays with Plug-in Modules;
iv. Signage Displays with Embedded Modules; andv.

Signage Displays in a Tiled Display System configuration.

2.2

Excluded Products

2.2.1

Products that are covered under other ENERGY STAR product specifications are not eligible forcertification under this specification including Televisions and Computers (Thin Clients,
Slates/Tablets, Portable All-in-one Computers, and Integrated Desktops). The list of
specifications currently in effect can be found at www.energystar.gov/products.

2.2.2

The following products are not eligible for certification under this specification:i.

Products with an integrated television tuner;

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ii.

Displays with integrated or replaceable batteries designed to support primary operation
without ac mains or external dc power, or device mobility (e.g., electronic readers, batterypowered digital picture frames); andiii. Products that must meet Food and Drug Administration specifications for medical devices
that prohibit power management capabilities and/or do not have a power state meeting thedefinition of Sleep Mode.
vi. Monitors with keyboard, video, and mouse (KVM) switch functionality;

3 CERTIFICATION CRITERIA
3.1

Significant Digits and Rounding

3.1.1

All calculations shall be carried out with directly measured (unrounded) values.

3.1.2

Unless otherwise specified, compliance with specification requirements shall be evaluated using
directly measured or calculated values without any benefit from rounding.

3.1.3

Directly measured or calculated values that are submitted for reporting on the ENERGY STAR
website shall be rounded to the nearest significant digit as expressed in the corresponding
specification requirements.

3.2

General Requirements for Monitors and Signage Displays

3.2.1

External Power Supplies (EPSs): Single- and Multiple-voltage EPSs shall meet the Level VI or
higher performance requirements under the International Efficiency Marking Protocol when tested
according to the Uniform Test Method for Measuring the Energy Consumption of External Power
Supplies, Appendix Z to 10 CFR Part 430.

3.2.2

3.2.3

i.

Single- and Multiple-voltage EPSs shall include the Level VI or higher marking.

ii.

Additional information on the Marking Protocol is available
at http://www.regulations.gov/#!documentDetail;D=EERE-2008-BT-STD-0005-0218.

General User Information: The product shall ship with consumer informational materials located ineither (1) the hard copy or electronic user manual, or (2) a package or box insert. These materials
shall include:a)

Information about the ENERGY STAR program,b)

Information on the energy consumption implications of changes to default as-shipped
displays configuration and settings, andc)

Notification that enabling certain optional features and functionalities (e.g., instant-on), may
increase energy consumption beyond the limits required for ENERGY STAR certification,
as applicable.

Forced Menu: Any product that includes a Forced Menu upon initial start-up shall upon selectionof any mode other than the Default Picture Setting as identified and tested by the ENERGY STAR
test procedure either (1) display a second prompt requiring the user to confirm the choice of theother mode, or (2) display information either with the ENERGY STAR mark or copy on the startup menu that the Default Picture Setting is the setting in which the product qualifies for ENERGYSTAR.

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3.2.4

3.2.5

3.2.6

Preset Picture Setting Menu: For any product where consumers have the option of selecting
different picture settings from a preset menu at any time:a)The product shall identify on-screen the Default Picture Setting under which the productqualifies for the ENERGY STAR, if available. For example, the product may display anelectronic ENERGY STAR mark alongside the name or description of that Default Picture
Setting or display a message each time any setting other than the Default Picture Setting isselected.

b)

The product shall return to the identified Default Picture Setting, including all energy savingfeatures enabled by default, whenever the user selects that Preset Picture Setting.

Sleep Mode Settings: If users can select and enable Sleep Mode functions from a display prompt
in On Mode or a settings menu other than a Forced Menu, and if these functions may alter powerdraw (i.e. quick start) from the default as-shipped Sleep Mode in which the product qualifies for
the ENERGY STAR:a)

The product shall display on-screen information identifying the settings under which the
product qualifies for the ENERGY STAR. For example, such information may be indicatedby including an electronic ENERGY STAR mark alongside the name or description of thedefault as-shipped settings or in the form of a message displayed each time any setting
other than a default as-shipped setting is selected.

b)

Products with a physical ENERGY STAR mark affixed to the front or top of the Display may
alternatively display on-screen information that enabling settings other than those underwhich the product qualifies for the ENERGY STAR may change the energy consumption of
the product.

Power Management:i.

Products shall offer at least one power management feature that is enabled by default, andthat can be used to automatically transition from On Mode to Sleep Mode either by aconnected host device or internally (e.g., support for VESA Display Power Management
Signaling (DPMS), enabled by default).

ii.

Products that generate content for display from one or more internal sources shall have asensor or timer enabled by default to automatically engage Sleep or Off Mode.

iii. For products that have an internal default delay time after which the product transitions fromOn Mode to Sleep Mode or Off Mode, the delay time shall be reported.
iv. Monitors shall automatically enter Sleep Mode or Off Mode within 5 minutes of being
disconnected from a host computer.
3.2.7

Signage Displays shall have a true power factor in On Mode of 0.7 or greater per Section 5.2.F in
the ENERGY STAR Test Method.

3.3

Energy Requirements for Computer Monitors

3.3.1

The Total Energy Consumption (TEC) in kWh shall be calculated per Equation 1 based on
measured values.

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Equation 1: Total Energy Consumption Calculation
𝐸𝑇𝐸𝐶 = 8.76 × (0.35 × 𝑃𝑂𝑁 + 0.65 × 𝑃𝑆𝐿𝐸𝐸𝑃 )Where:

▪
▪
▪
▪
3.3.2

ETEC is the Total Energy Consumption calculation in kWh;
PON is Measured On Mode power in watts
PSLEEP is Measured Sleep Mode Power in watts; andThe result shall be rounded to the nearest tenth of a kWh for reporting.

The Maximum TEC (ETEC_MAX) in kWh for Monitors shall be calculated per Table 1.
Table 1: Calculation of Maximum TEC (ETEC_MAX) for Monitors in kWh
ETEC Max (kWh)Where:A = Viewable screen area in in2
r = Screen resolution in megapixels (MP)The result shall be rounded to the nearest tenth of a kWh for reporting.

Area (in2)(4.00 × 𝑟) + (0.172 × 𝐴) + 1.50
(4.00 × 𝑟) + (0.020 × 𝐴) + 30.40(4.00 × 𝑟) + (0.091 × 𝐴) + 15.40(4.00 × 𝑟) + (0.182 × 𝐴) − 13.20

A < 190190 ≤ A < 210
210 ≤ A < 315
A ≥ 315
3.3.3

For all Monitors, Calculated TEC (ETEC) in kWh shall be less than or equal the calculation of
Maximum TEC (ETEC_MAX) with the applicable allowances and adjustments (each applied at mostonce) per Equation 2.
Equation 2: Total Energy Consumption Requirement for Monitors
𝐸𝑇𝐸𝐶 ≤ (𝐸𝑇𝐸𝐶_𝑀𝐴𝑋 + 𝐸𝐸𝑃 + 𝐸𝐴𝐵𝐶 + 𝐸𝑁 + 𝐸𝑇 + 𝐸𝐶 + 𝐸𝐻𝐷𝑅 + 𝐸𝑈𝑆𝐵 ) × 𝑒𝑓𝑓𝐴𝐶_𝐷𝐶
Where:

▪
▪
▪
▪
▪
▪
▪
▪
▪
▪
3.3.4

ETEC is TEC in kWh calculated per Equation 1;
ETEC_MAX is the Maximum TEC requirement in kWh calculated per Table 1;
EEP is the enhanced performance display allowance in kWh per Section 3.3.4;
EABC is the Automatic Brightness Control allowance in kWh per Equation 5;
EN is the Full Network Connectivity allowance in kWh per Table 2;
ET is the Touch Technology allowance in kWh per Equation 6;
EC is the curved Display allowance in kWh per Equation 7;
EHDR is the HDR Display allowance in kWh per Table 3;
EUSB is the allowance for Displays with USB-C Power Delivery functionality per Table 4; andeffAC_DC is the standard adjustment for ac-dc power conversion losses that occur at the device
powering the Display and is 1.0 for Ac-powered Displays and 0.85 for Displays with Standard dc.

For Monitors meeting the enhanced performance display (EPD) requirements below, the energy
allowance in Equation 3 shall be applied to the Total Energy Consumption requirement inEquation 2:i.

Contrast ratio of at least 60:1 measured at a horizontal viewing angle of at least 85° from theperpendicular on a flat screen and at least 83° from the perpendicular on a curved screen,with or without a screen cover glass;ii.

A native resolution greater than or equal to 2.3 megapixels (MP); andiii. Color Gamut greater than or equal to 32.9% of CIE LUV.

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Equation 3: Calculation of Energy Allowance for Enhanced Performance Displays
𝐸𝐸𝑃 = ((1.70 ×

𝐺) − 0.52) ∗ 𝐸𝑇𝐸𝐶_𝑀𝐴𝑋
100%

Where:▪
▪
▪

EEP is the enhanced performance display energy allowance in kWh;
G is Color Gamut expressed as a percentage of CIE LUV from 1.0% to 100.0%, reported to thenearest 0.1%; andETEC_MAX is the Maximum TEC requirement in kWh calculated per Equation 2.

Note: For reference, a model supporting 99% of the sRGB color space typically translates to 32.9%
of CIE LUV and a model supporting 99% of Adobe RGB typically translates to 38.4% of CIE LUV.
3.3.5

For monitors with Automatic Brightness Control (ABC) enabled by default, an energy allowance(EABC), as calculated per Equation 5, shall be added to ETEC_MAX in Equation 2, if the On Modepower reduction (RABC), as calculated per Equation 4, is greater than or equal to 20%.
Equation 4: Calculation of On Mode Reduction with ABC Enabled by Default

𝑃300 − 𝑃12
𝑅𝐴𝐵𝐶 = 100% × ()
𝑃300
Where:▪
▪
▪

RABC is the On Mode percent power reduction due to ABC;
P300 is the On Mode power in watts, as measured at an ambient light level of 300 lux in Section 6.4 of
the Test Method; andP12 is the On Mode power in watts, as measured at an ambient light level of 12 lux in Section 6.4 of
the Test Method.

Equation 5: ABC Energy Allowance (EABC) for Monitors

𝐸𝐴𝐵𝐶 = 0.05 × 𝐸𝑇𝐸𝐶_𝑀𝐴𝑋
Where:▪
▪

3.3.6

EABC is the energy allowance for Automatic Brightness Control in kWh; andETEC_MAX is the Maximum TEC in kWh, per Table 1.

Products with Full Network Connectivity confirmed in Section 6.7 of the ENERGY STAR Test
Method shall apply the allowance specified in Table 2.
Table 2: Full Network Connectivity Energy Allowance (EN) for Monitors
EN (kWh)
2.9

3.3.7

Products tested with Touch Technology active in On Mode shall apply the allowance specified in
Equation 6.
Equation 6: Energy Allowance for Touch Technology (ET) for Monitors

𝐸𝑇 = 0.17 × 𝐸𝑇𝐸𝐶_𝑀𝐴𝑋
Where:▪
▪

ET is the energy allowance for Touch Technology in kWh; andETEC_MAX is the Maximum TEC in kWh, per Table 1.

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3.3.8

Products tested with curved Displays shall apply the allowance specified in Equation 7.
Equation 7: Monitors Curved Display Energy Allowance (E C) for Monitors

𝐸𝐶 = 0.15 × 𝐸𝑇𝐸𝐶_𝑀𝐴𝑋
Where:▪
▪

3.3.9

EC is the energy allowance for curved Displays in kWh; andETEC_MAX is the Maximum TEC in kWh, per Table 1.

Monitors that meet either the following DisplayHDR 600 or DisplayHDR 1000 White LuminanceCriteria specified in Table 2-1: DisplayHDR Performance Tier Summary of the Video Electronics
Standards Association (VESA) High-performance Monitor and Display Compliance Test
Specification (DisplayHDR CTS) Version 1.0 shall apply the allowance specified in Table 3.
a)

10% Center Patch Minimum Requirement (cd/m 2);b)

Full-screen Flash Minimum Requirement (cd/m 2); andc)Full-screen Long-duration Minimum Requirement (cd/m 2).
Table 3: HDR 600 and HDR 1000 Energy Allowances for Monitors
VESA DisplayHDR Certification

EHDR (kWh)HDR 600
HDR 1000

0.05*ETEC_MAX
0.10*ETEC_MAX

Where:▪
▪

EHDR is the allowance for models meeting the DisplayHDR CTS tiers 600 or 1000; andETEC_MAX is the Maximum TEC per Table 1.

3.3.10 Products with USB Type C interface compatibility capable of delivering greater than or equal to
45 W of power to connected devices shall apply the allowance specified in Table 4.
Table 4: Allowance for Monitors with USB Type C Compatibility
EUSB (kWh)2.75
Where:▪

EUSB is the allowance for models with USB Type C Power Delivery compatibility.

3.4

Signage Displays Tested in a Tiled Display System Configuration

3.4.1

Signage Displays marketed, shipped, and tested in a Tiled Display System configuration shallmeet the Signage Display On Mode and Sleep Mode criteria as calculated per Equation 9 andEquation 11, in which the Screen Area used for all such calculations shall be the total screen areaof the Maximum Tiled Configuration.
Note: The total Screen Area of a Tiled Display System with a Maximum Tiled Configuration of 2x2
individual 47.6-inch diagonal Signage Displays (height 23.3 inches and length 41.5 inches) is
calculated as (2 x 23.3’’) x (2 x 41.5’’) equal to 3867.8 square inches. The Tiled Display Systemshall meet the On Mode criteria for a 3,867.8 square inch Signage Display.

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3.5

On Mode Requirements for Signage Displays

3.5.1

The maximum On Mode power (PON_MAX) in watts shall be calculated per Equation 8.

Equation 8: Calculation of Maximum On Mode Power (PON_MAX) in Watts for Signage Displays

𝑃𝑂𝑁_𝑀𝐴𝑋 = (4.0 × 10−5 × ℓ × 𝐴) + 120 × 𝑡𝑎𝑛ℎ(0.0005 × (𝐴 − 140.0) + 0.03) + 20
Where:▪
▪
▪
▪

PON_MAX is the Maximum On Mode power, in watts;
A is the Screen Area in square inches;ℓ is the Maximum Measured Luminance of the Display in candelas per square meter, as measured in
Section 6.2 of the test method; andThe result shall be rounded to the nearest tenth of a watt for reporting.

Equation 9: On Mode Power Requirement for Signage Displays

𝑃𝑂𝑁 ≤ 𝑃𝑂𝑁𝑀𝐴𝑋 + 𝑃𝐴𝐵𝐶 + 𝑃𝑀𝑜𝑑𝑢𝑙𝑒
Where:
▪
▪
▪
▪

3.5.2

PON is On Mode power in watts, as measured in Section 6.3 or 6.4 of the Test Method;
PON_MAX is the Maximum On Mode power in watts, per Equation 8; andPABC is the On Mode power allowance for ABC in watts, per Equation 10; andPModule is the On Mode power allowance for Signage Displays with Embedded or Plug-In Modules as
specified in Table 5.

For Signage Displays with ABC enabled by default, a power allowance (PABC), as calculated per
Equation 10, shall be added to PON_MAX, as calculated per Equation 9, if the On Mode power
reduction (RABC), as calculated per Equation 4, is greater than or equal to 20 percent.

Equation 10: Calculation of On Mode Power Allowance for Signage Displays with ABC Enabled by
Default

𝑃𝐴𝐵𝐶 = 0.05 × 𝑃𝑂𝑁_𝑀𝐴𝑋
Where:▪
▪

3.5.3

PABC is the Measured On Mode Power allowance for ABC in watts; and
PON_MAX is the Maximum On Mode Power requirement in watts.

For Signage Displays with an Embedded Module, a power allowance (PModule) determined by
Table 5 shall be added to PON_MAX, as calculated per Equation 9.
Table 5: On Mode Power Allowance for Signage Displays with an Embedded Module
PModule (W)
2.5
Where:▪

PModule is the Measured On Mode power allowance for Embedded Modules in Watts.

3.6

Sleep Mode Requirements for Signage Displays

3.6.1

Measured Sleep Mode power (PSLEEP) in watts shall be less than or equal the sum of theMaximum Sleep Mode power requirement (PSLEEP_MAX) and any allowances (applied at mostonce) per Equation 11.
Equation 11: Sleep Mode Power Requirement for Signage Displays

𝑃𝑆𝐿𝐸𝐸𝑃 ≤ 𝑃𝑆𝐿𝐸𝐸𝑃_𝑀𝐴𝑋 + 𝑃𝑁 + 𝑃𝑂𝑆 + 𝑃𝑇
Where:▪

PSLEEP is Measured Sleep Mode power in watts;

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▪
▪
▪
▪

PSLEEP_MAX is the Maximum Sleep Mode power requirement in watts per Table 6;
PN is the Full Network Connectivity allowance in watts per Table 7;
POS is the Occupancy Sensor allowance in watts per Table 8; andPT is the Touch allowance in watts per Table 8.

Table 6: Maximum Sleep Mode Power Requirement (PSLEEP_MAX) for Signage Displays
PSLEEP_MAX(watts)0.5
3.6.2

Products with Full Network Connectivity confirmed in Section 6.7 of the ENERGY STAR Test
Method shall apply the allowance specified in Table 7.
Table 7: Full Network Connectivity Allowance for Signage Displays
PN(watts)3.0

3.6.3

Products tested with an Occupancy Sensor or Touch Technology active in Sleep Mode shallapply the allowances specified in Table 8.
Table 8: Additional Functions Sleep Mode Power Allowance for Signage Displays
Type
Occupancy Sensor
POS
Touch Functionality
PT(applicable only to
Signage Displays where
screen size is greaterthan 30 inches)

Screen Size(in)

Allowance(watts)

All

0.3

≤ 30

0.0

> 30

1.5

3.7

Off Mode Requirements for all Displays

3.7.1

A product need not have an Off Mode to be eligible for certification. For products that do offer Off
Mode, measured Off Mode power (POFF) shall be less than or equal to the Maximum Off Mode
Power Requirement (POFF_MAX) in Table 9.
Table 9: Maximum Off Mode Power Requirement (POFF_MAX)
POFF_MAX(watts)
0.5

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3.8

Luminance and Total Native Resolution Reporting Requirements

3.8.1

Maximum Reported, Maximum Measured Luminance, and Total Native Resolution shall bereported for all products; As-Shipped Luminance shall be reported for all products except thosewith ABC enabled by default.
a)Testing for the above measurements shall be conducted for the individual Signage Displayof a Tiled Display System.

Note: Products intended for sale in the US market are subject to minimum toxicity and recyclability
requirements. Please see ENERGY STAR® Program Requirements for Displays: Partner Commitments
for details.

4 TEST REQUIREMENTS
4.1

Test Methods

4.1.1

Test methods identified in Table 10 shall be used to determine certification for ENERGY STAR.
Table 10: Test Methods for ENERGY STAR Certification
Product Type

Test Method

All Product Types andScreen Sizes

ENERGY STAR Test Method for Determining Display Energy –Rev. May-2019

Enhanced Performance
Displays

International Committee for Display Metrology (ICDM)
Information Display Measurements Standard – Version 1.03

Displays Claiming Full
Network Connectivity

CEA-2037-A, Determination of Television Set Power
Consumption

Displays Claiming HighDynamic Range (HDR)

VESA High-performance Monitor and Display Compliance Test
Specification (DisplayHDR CTS) Version 1.0

4.2

Number of Units Required for Testing

4.2.1

One unit of a Representative Model, as defined in Section 1, shall be selected for testing.
i. For Tiled Display Systems, the Maximum Tiled Configuration, as defined in Section 1,
shall be used for testing.

4.3

International Market Qualification

4.3.1

Products shall be tested for qualification at the relevant input voltage/frequency combination foreach market in which they will be sold and promoted as ENERGY STAR.

5 USER INTERFACE
5.1.1

Manufacturers are encouraged to design products in accordance with the user interface standard,IEEE P1621: Standard for User Interface Elements in Power Control of Electronic Devices
Employed in Office/Consumer Environments. For details, see http://energy.lbl.gov/controls/.

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6 EFFECTIVE DATE
6.1.1

Effective Date: The Version 8 ENERGY STAR Display specification shall take effect on January
28, 2020. To qualify for ENERGY STAR, a product model shall meet the ENERGY STAR
specification in effect on its date of manufacture. The date of manufacture is specific to each unit
and is the date on which a unit is considered to be completely assembled.

6.1.2

Future Specification Revisions: EPA reserves the right to change this specification should
technological and/or market changes affect its usefulness to consumers, industry, or theenvironment. In keeping with current policy, revisions to the specification are arrived at throughstakeholder discussions. In the event of a specification revision, please note ENERGY STAR
certification is not automatically granted for the life of a model.

7 CONSIDERATIONS FOR FUTURE REVISIONS
7.1.1

Standby-Active, High Mode: Similar to future revisions of the ENERGY STAR Televisions
specification, EPA and the U.S. Department of Energy (DOE) are interested in learning more
about Standby-Active, High Mode or Displays with Sleep Modes that demand higher power draw
because they are actively running components to reduce latency from Sleep to On Mode,
download software updates, or process sensor data. This issue is particularly pertinent withinteractive displays that either have a remote or touch screen where the user expects the Display
to display content without delay. EPA anticipates exploring this issue and potential power limits
and duty cycle requirements in the next specification revision.

7.1.2

Revisions to Test Content: As displays technologies continue to evolve, DOE and EPA support
external stakeholder efforts to revise test content (i.e. test clips) to better account for how
products perform under more realistic consumer viewing conditions, especially with regard to
UHD (4K) content and native HDR content.

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