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Version 7.0 ENERGY STAR Program Requirements for Displays

1. ENERGY STAR Program Requirements Product Specification for Displays Lots Eligibility Criteria ENERGY STAR Version 7 0 Following is the Version 7 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 DEFINITIONS A 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 non desk 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 it meets two 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 5 000 pixels per square inch or 4 Ships without a mounting stand B Operational Modes
2. Additional Functions Energy Allowance Eos for Monitors Type Allowance kWh Occupancy Sensor 1 7 Eos 3 3 8 Products tested with Touch Technology active in On Mode shall apply the allowance specified in Equation 5 Equation 5 Energy Allowance for Touch Technology E7 for Monitors Er 0 15 x ETEC MAX Where Ezis the energy allowance for Touch Technology in kWh and Etec max is the Maximum TEC in kWh per Table 1 3 4 On Mode Requirements for Signage Displays 3 4 1 The Maximum On Mode Power Pon max in watts shall be calculated per Equation 6 Equation 6 Calculation of Maximum On Mode Power Pon max in Watts for Signage Displays Pon Max 4 0 x 107 5 x x A 119 x tanh 0 0008 x A 200 0 0 11 6 Where Pon _max is the Maximum on Mode Power in watts A is the Screen Area in square inches Zis the Maximum Measured Luminance of the Display in candelas per square meter as measured in Section 6 2 of the test method tanh is the hyperbolic tangent function and The result shall be rounded to the nearest tenth of a watt for reporting ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 7 of 10 Equation 7 On Mode Power Requirement for Signage Displays Pon lt Pon_max Pape Where g 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 7 and Pasc i
3. e g electronic readers battery powered digital picture frames and iii 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 the definition of Sleep Mode 3 CERTIFICATION CRITERIA 3 1 3 1 1 3 1 2 3 1 3 3 2 3 2 1 3 2 2 Significant Digits and Rounding All calculations shall be carried out with directly measured unrounded values Unless otherwise specified compliance with specification requirements shall be evaluated using directly measured or calculated values without any benefit from rounding 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 General Requirements for Monitors and Signage Displays 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 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 Awww regulations gov documentDetail D EERE 2008 BT STD 0005 0218 Powe
4. 1 On Mode The mode in which the Display has been activated and is providing the primary function 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 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 an internal signal or an external signal Note The Display may only exit this mode by direct user actuation of an integrated power switch or control Some products may not have an Off Mode C 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 ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 1 of 10 2 Automatic Brightness Control ABC The self acting mechanism that controls the brightness of 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 Color gamut area shall be reported as a percentage of the CIE LUV 1976
5. Please see ENERGY STAR Program Requirements for Displays Partner Commitments for details 4 TEST REQUIREMENTS 4 1 4 1 1 Test Methods Test methods identified in Table 9 shall be used to determine certification for ENERGY STAR ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 9 of 10 Table 9 Test Methods for ENERGY STAR Certification Product Type Test Method All Product Types and ENERGY STAR Test Method for Determining Display Energy Screen Sizes Rev Sep 2015 Enhanced Performance International Committee for Display Metrology ICDM Displays Information Display Measurements Standard Version 1 03 Displays Claiming Full CEA 2037 A Determination of Television Set Power Network Connectivity Consumption 4 2 4 2 1 4 2 2 4 3 4 3 1 Number of Units Required for Testing One unit of a Representative Model as defined in Section 1 shall be selected for testing For certification of a Product Family the product configuration that represents the worst case power demand for each product category within the Product Family shall be considered the Representative Model International Market Qualification Products shall be tested for qualification at the relevant input voltage frequency combination for each 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 th
6. u V color space and calculated 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 s size must be expressed as a percentage of area of the visible CIE LUV color space only 4 Luminance The photometric measure of the luminous intensity per unit area of light travelling in a given direction expressed in candelas per square meter cd m 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 the user 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 5 Native Vertical Resolution The number of physical lines along the vertical axis of the Display within the visible area of the Display Note A Display with a screen resolution of 1920 x 1080 horizontal x vertical would have a Native Vertical Resolution of 1080 6 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 al
7. arest tenth of a kWh for reporting 3 3 2 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 ae Where Area in A Viewable screen area in in r Screen resolution in megapixels The result shall be rounded to the nearest tenth of a kWh for reporting A lt 130 6 13 xr 0 06 x A 9 130 lt A lt 150 6 13 x r 0 69 x A 72 38 150 lt A lt 180 6 13 x r 0 21 x A 0 50 180 lt A lt 200 6 13 x r 0 05 x A 28 200 lt A lt 230 6 13 x r 0 03 x A 31 33 230 lt A lt 280 6 13 xr 0 2 x A 7 280 lt A lt 300 6 13 x r 49 300 lt A lt 500 6 13 x r 0 2 x A 11 A 2 500 89 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 applied at most once per Equation 2 ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 5 of 10 Equation 2 Total Energy Consumption Requirement for Monitors Erec S Erec max Erp Eagc En Eos Er X ef face Where Exec is TEC in kWh calculated per Equation 1 Etec max is the Maximum TEC requirement in kWh calculated per Table 1 Egp is the enhanced performance display allowance in kWh per Section 3 3 4 Exsc is the Automatic Brightness Co
8. e 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 bl gov controls 6 EFFECTIVE DATE 6 1 1 6 1 2 Effective Date The Version 7 0 ENERGY STAR Display specification shall take effect on July 1 2016 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 Future Specification Revisions EPA reserves the right to change this specification should technological and or market changes affect its usefulness to consumers industry or the environment In keeping with current policy revisions to the specification are arrived at through stakeholder 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 On Mode DC Power Limit EPA is interested in considering a separate On Mode Power Maximum requirement for Standard dc products that does not necessitate an ac dc conversion calculation EPA anticipates these products will become more popular on the market with the latest USB standard and looks forward to receiving additional direct dc tested data for these products ENERGY STAR Program Requirem
9. ents for Displays Eligibility Criteria Page 10 of 10
10. er 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 from ac 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 for certification under this specification include i Monitors ii Monitors with keyboard video and mouse KVM switch functionality iii Signage Displays and iv Signage Displays and Monitors with Plug in Modules 2 2 Excluded Products ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 3 of 10 2 2 1 2 2 2 Products that are covered under other ENERGY STAR product specifications are not eligible for certification under this specification including Televisions and Computers Thin Clients Slates Tablets Portable All in one Computers Integrated Desktops The list of specifications currently in effect can be found at www energystar gov products The following products are not eligible for certification under this specification i Products with an integrated television tuner ii Displays with integrated or replaceable batteries designed to support primary operation without ac mains or external dc power or device mobility
11. n 6 7 of the ENERGY STAR Test Method shall apply the allowance specified in Table 6 Table 6 Full Network Connectivity Allowance for Signage Displays Py watts 3 0 ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 8 of 10 3 5 3 3 6 3 6 1 3 7 3 7 1 Products tested with an Occupancy Sensor or Touch Technology active in Sleep Mode shall apply the allowances specified in Table 7 Table 7 Additional Functions Sleep Mode Power Allowance for Signage Displays Screen Size Allowance Type in watts Occupancy Sensor All 0 3 Pos Touch Functionality P lt 30 0 0 applicable only to Signage Displays where screen size is greater gt 30 1 5 than 30 inches Off Mode Requirements for all Displays A product need not have an Off Mode to be eligible for certification For products that do offer Off Mode measured Off Mode power Porr shall be less than or equal to the Maximum Off Mode Power Requirement Porr max in Table 8 Table 8 Maximum Off Mode Power Requirement Porr max Porr_max watis 0 5 Luminance Reporting Requirements Maximum Reported and Maximum Measured Luminance shall be reported for all products As Shipped Luminance shall be reported for all products except those with ABC enabled by default Note Products intended for sale in the US market are subject to minimum toxicity and recyclability requirements
12. ntrol allowance in kWh per Equation 4 Ey is the Full Network Connectivity allowance in kWh per Table 3 Eos is the Occupancy Sensor allowance in kWh per Table 4 E is the Touch Technology allowance in kWh per Equation 5 and effac_pc 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 3 3 4 For Monitors meeting the enhanced performance display EPD requirements below only one of the following Table 2 allowances shall be used in Equation 2 i Contrast ratio of at least 60 1 measured at a horizontal viewing angle of at least 85 from the perpendicular 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 and iii Color Gamut greater than or equal to 32 9 of CIE LUV Table 2 Calculation of Energy Allowance for Enhanced Performance Displays Eep kWh Where Color Gamut Criteria Exec max is the Maximum TEC requirement in kWh and ris screen resolution in megapixels Color Gamut support is 32 9 of CIE LUV or greater Color Gamut support is 38 4 of CIE LUV or greater 0 15 x Ergcyay 6 13 X r 0 65 x Erze max 6 13 x r Note A model supporting greater than 99 of the sRGB color space translates to 32 9 of CIE LUV and a m
13. odel supporting greater than 99 of Adobe RGB translates to 38 4 of CIE LUV 3 3 5 For monitors with Automatic Brightness Control ABC enabled by default an energy allowance Easc as calculated per Equation 4 shall be added to Etec max in Equation 2 if the On Mode power reduction Rasc as calculated per Equation 3 is greater than or equal to 20 Equation 3 Calculation of On Mode Reduction with ABC Enabled by Default P300 P 2 Ragc 100 x 300 Where Rasc is the On Mode percent power reduction due to ABC P3 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 and P12 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 ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 6 of 10 Equation 4 Monitors ABC Energy Allowance Easc for Monitors Ensc 0 05 X Erec max Where Exsc is the energy allowance for Automatic Brightness Control in kWh and Etec max is the Maximum TEC in kWh per Table 1 3 3 6 Products with Full Network Connectivity confirmed in Section 6 7 of the ENERGY STAR Test Method shall apply the allowance specified in Table 3 Table 3 Full Network Connectivity Energy Allowance En for Monitors En kWh 2 9 3 3 7 Products tested with an Occupancy Sensor active shall apply the allowance specified in Table 4 Table 4
14. ong the arc of the Display D Additional Functions and Features 1 Bridge Connection A physical connection between two hub controllers i e 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 is maintained even if some components of the Display are powered down The Display can elect 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 to as network proxy functionality and described in the Ecma 393 standard 3 Occupancy Sensor A device used to detect human presence in front of or in the area surrounding a Display Note An Occupancy Sensor is typically used to switch a Display between On Mode and Sleep Mode ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 2 of 10 4 Touch Technology Enables the user to interact with a product by touching areas on the Display screen 5 Plug in Module A modular plugin device that provides one or more of the following f
15. r Management i Products shall offer at least one power management feature that is enabled by default and that can be used to automatically transition from Sleep Mode to On Mode either by a connected 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 a sensor 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 from On 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 ENERGY STAR Program Requirements for Displays Eligibility Criteria Page 4 of 10 3 2 3 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 Equation 1 Total Energy Consumption Calculation Erge 8 76 x 0 35 x Pow 0 65 X Psy erp Where Exec is the Total Energy Consumption calculation in kWh Pow is Measured On Mode Power in watts Psteep is Measured Sleep Mode Power in watts and d The result shall be rounded to the ne
16. s the On Mode power allowance for ABC in watts per Equation 8 3 4 2 For Signage Displays with ABC enabled by default a power allowance Pagc as calculated per Equation 8 shall be added to Pon max as calculated per Equation 6 if the On Mode power reduction Ragc as calculated per Equation 3 is greater than or equal to 20 percent Equation 8 Calculation of On Mode Power Allowance for Signage Displays with ABC Enabled by Default Page 0 05 X Pon max Where Pasc is the Measured On Mode Power allowance for ABC in watts and n Pon max is the Maximum On Mode Power requirement in watts 3 5 Sleep Mode Requirements for Signage Displays 3 5 1 Measured Sleep Mode Power Ps eep in watts shall be less than or equal the sum of the Maximum Sleep Mode Power Requirement Ps_eer_ max and any allowances applied at most once per Equation 9 Equation 9 Sleep Mode Power Requirement for Signage Displays Pstgep S PsteePyax Pn Pos Pr Psteep is Measured Sleep Mode Power in watts Psveep max is the Maximum Sleep Mode Power requirement in watts per Table 5 Py is the Full Network Connectivity allowance in watts per Table 6 Pos is the Occupancy Sensor allowance in watts per Table 7 and P is the Touch allowance in watts per Table 7 Table 5 Maximum Sleep Mode Power Requirement Ps eep max for Signage Displays Psteep max watts 0 5 3 5 2 Products with Full Network Connectivity confirmed in Sectio
17. unctions without the explicit purpose of providing general computing function a Display images mirror remote content streamed to it or otherwise render content on the screen from local or remote sources or b Process touch signals Note Modules providing any other additional input options are not considered Plug in Modules for the purposes of this specification E Product Family A group of product models that 1 are made by the same manufacturer 2 share the same Screen Area Resolution and Maximum Reported Luminance and 3 are of a common 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 F Representative Model The product configuration that is tested for ENERGY STAR certification and is intended to be marketed and labeled as ENERGY STAR G Power Source 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 Pow

Version 7.0 ENERGY STAR Program Requirements for Displays

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