BS IEC 62977-3-6 2025.docx

BSIEC62977-3-6:2025BSIStandardsPublicationElectronicdisplaysPart3-6:EvaluationofopticalperformanceSpatialresolutionbsi.NationalforewordThisBritishStandardistheUKimplementationofIEC62977-3-6:2025.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeEPL/100,Audio-visualequipment.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitscommitteemanager.ContractualandlegalconsiderationsThispublicationhasbeenpreparedingoodfaith,howevernorepresentation,warranty,assuranceorundertaking(expressorimplied)isorwillbemade,andnoresponsibilityorliabilityisorwillbeacceptedbyBSIinrelationtotheadequacy,accuracy,completenessorreasonablenessofthispublication.Allandanysuchresponsibilityandliabilityisexpresslydisclaimedtothefullextentpermittedbythelaw.Thispublicationisprovidedasis,andistobeusedattherecipientsownrisk.Therecipientisadvisedtoconsiderseekingprofessionalguidancewithrespecttoitsuseofthispublication.Thispublicationisnotintendedtoconstituteacontract.Usersareresponsibleforitscorrectapplication.©TheBritishStandardsInstitution2025PublishedbyBSIStandardsLimited2025ISBN9780539172058ICS31.120;31.260CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30June2025.Amendments/corrigendaissuedsincepublicationDateTextaffectedIEC62977-3-6Edition1.02025-06INTERNATIONALSTANDARDElectronicdisplays-Part3-6:Evaluationofopticalperformance-Spatialresolution(U)9o,gdoe98N6e9Om-ICS31.120;31.260ISBN978-2-8327-0456-1THISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2025IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothispublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.IECSecretariatTel.:+412291902113,ruedeVarembeinfoiec.chwww.iec.chCH-1211Geneva20SwitzerlandAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadingglobalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendumoranamendmentmighthavebeenpublished.IECpublicationssearch-webstore.iec.ch/advsearchformTheadvancedsearchenablestofindIECpublicationsbyavarietyofcriteria(referencenumber,text,technicalcommittee,.).Italsogivesinformationonprojects,replacedandwithdrawnpublications.IECJustPublished-webstore.iec.ch/justpublishedStayuptodateonallnewIECpublications.JustPublisheddetailsallnewpublicationsreleased.Availableonlineandonceamonthbyemail.IECCustomerServiceCentre-webstore.iec.ch/cscIfyouwishtogiveusyourfeedbackonthispublicationorneedfurtherassistance,pleasecontacttheCustomerServiceCentre:salesiec.ch.IECProducts&ServicesPortal-products.iec.chDiscoverourpowerfulsearchengineandreadfreelyallthepublicationspreviews,graphicalsymbolsandtheglossary.Withasubscriptionyouwillalwayshaveaccesstouptodatecontenttailoredtoyourneeds.Electropedia-www.electropedia.orgTheworld'sleadingonlinedictionaryonelectrotechnology,containingmorethan22500terminologicalentriesinEnglishandFrench,withequivalenttermsin25additionallanguages.AlsoknownastheInternationalElectrotechnicalVocabulary(IEV)online.Warning!Makesurethatyouobtainedthispublicationfromanauthorizeddistributor.CONTENTSFOREWORD4INTRODUCTION61 Scope72 Normativereferences73 Terms5definitions,abbreviatedterms,lettersandsymbols73.1 Termsanddefinitions73.2 Abbreviatedterms83.3 Lettersandsymbols84 Standardmeasuringequipment94.1 General94.2 Equipment94.2.1 Digitalpatterngenerator94.2.2 ImagingLMD105 Standardmeasuringconditions115.1 Standardmeasuringenvironmentalconditions115.2 Standardmeasuringdarkroomconditions115.3 Measurementlocationsonthescreen115.4 Inputsignalcondition126 Displaycontrastmodulationmeasurement126.1 General126.2 Contrastmodulation126.3 Measuringmethodwithgrillepattern126.4 Spatialresolutionevaluationusingcontrastmodulation157 DisplayMTFmeasurement167.1 General167.2 MTFconceptforsampledimagingsystems177.3 Line-basedmethod178 Reporting20Annex A (informative)Evaluationofspatialresolution21Annex B (normative)Edge-basedLMDMTFmeasurement22Annex C (informative)Precautionsforspatialresolutionmeasurementmethods24C.1Samplingissuesingrillepatternluminancecontrastmeasurementmethod24C.2Constraintsofthegrillepatternluminancecontrastandtheline-basedMTFmeasurementmethods24C.3Colou