Entreprise's news

Flip Chip COB - Future for Fine Pitch LED Display

2020-02-14

Entreprise's news

Welcome to Meet Flip Chip COB at ISLE 9.2-D32

CedarwillbringflipchipCOBP0.7,P0.9,P1.1,P1.2,P1.5,P1.9,P2.5toISLEexhibition,flipchiphashigherbrightness,bettercontrast(>20000:1)andmorestablethannormalCOB.  Welcometomeetusat9.2-D32,Cedarwillshowyouaf

2019-03-03

Entreprise's news

Interview with Wang Ruiguang, general manager of Changchun Cedar Electronics Technology Co., Ltd

OnSeptember19-21,2018,thethree-dayShanghaiInternationalLEDExhibitionwasheldinShanghaiPudongNewInternationalExpoCenter.Astheworld'searliestprofessionalbusinessprocurementplatformdedicatedtothedisplayofacompleteLEDindustrialchain.ShanghaiInternationalLEDExhibitionisknownasthe"vane"oftheindustry.TheLEDscreencompaniesareallcarryingthelatestproductstoshowoffattheexhibition,presentingvisitorswithasplendidvisualfeast.ChangchunCedarElectronicsTechnologyCo.,Ltd(hereinafterreferredtoas"CedarElectronics")asawell-knownmanufacturerofLEDdisplayindustry,hasintroducedCOBdisplayscreensince2014.ShowusthelatestproductsofMiniCOBseries.Intheindustry"MiniLED"isbecomingmorepopular,CedarElectronicsMiniCOBisparticularlyoutstanding,drewtheattentionofmanyprofessionalvisitorsintheindustry,receivedconsistentpraise.InordertounderstandMiniCOBdisplayproductsindetail,aspecialinterviewwasconductedbyLEDScreenWorldreportertoCedarElectronicsGeneralManagerWangRuiguang.AccordingtointroductionofWangRuiguang,CedarElectronicsisthefirstonedevelopedthe"integratedthree-in-one(COB)LEDdisplay"productintheindustry.Sinceitslaunchin2014,CedarCOBencapsulationtechnologyhasbeenverymature,andtheproductshavebeenwidelyacceptedbycustomers.WhencomparedwiththeSMDtypeLEDdisplay,theCOBpackageistofixtheLEDchipdirectlybondonthePCBboardwithconductiveadhesiveandinsulatingpaste,thentesttheconductivityoftheLEDchip.Afterthetestiscomplete,theLEDchipisencapsulatedwithepoxyresinadhesive.Inmanufacturingtechnologyandtechnologicalprocess,COBencapsulationnoneedsupportingframeandreflowweldingprocess,soitismorereliable.Whetherreliabilityorcost,COBdisplayisbetterthantheSMDdisplay.Today,theLEDdisplayofCedarElectronicshasbeenwidelyusedinsurveillanceandcommand,media,videoconferencing,transportation,education,medicaltreatmentandotherindustries.AlotprojectsofCOBLEDdisplayhavebeencompletedindomesticandinternationalmarket,suchastheNationalGrandTheater,theShanghaiBund,etc.CCTV,Beijing-ShiJiazhuanghigh-speedrailwaystationandothermajorprojects,productalsoexporttotheUnitedStates,Europe,Japan,Russiaandothercountriesandregions.CedarElectronicsCOBdisplayproductsonbehalfofourCountrytoparticipateininternationalinnovationexhibitionmanytimes.AlthoughCedarElectronics'COBdisplayproductsarewidelyusedindomesticandinternationalmarket,themarketshareofCOBdisplayisstillhardtocompetewiththatofSMDdisplayinthewholeLEDdisplayindustry.However,withthedevelopmentoffinepixelpitchLEDdisplaytechnology,LEDdisplayproductsusingSMDpackagingtechnologyarefacingthetechnicalandcostproblems.Aspixelpitchisgoingsmaller,thetechnicalrequirementsofenterprisesarebecominghigherandhigher,andthecostisincreasingatgeometriclevel.Inparticular,withtheminiaturizationoftheLEDpackage,theprotectiontreatmentproblemoftraditionalLEDdisplayisbecomingmoreandmoreobvious.Rightunderthiscircumstance,theCOBdisplaybeginspopularanddrawmoreattentionintheindustry.Intermsofprotection,"theCOBdisplayhasbetterprotectioninwaterproof,dust-proof,moisture-proof,anti-staticthantheSMD,"WangRuiguangsaid.Asfortheimplementationoffinepixelpitch,thisistheadvantageoftheCOBdisplay.InthetrendoffinepixelpitchtoMini/MicroLEDdevelopment,finepixelpitchseemstousheredinamoredifficultsituation.InordertosolveaseriesofproblemsencounteredinSMDfinepixelpitchdisplay,"MiniLED"with"fourinone"integratedpackagewasdeveloped.However,the"MiniLED"with"fourinone"integrationencapsulationcansolvesomeoftheproblemsencounteredinthefinepixelpitch,itisstillinsidethecategoryof"SMD",anditdoesnotsolvetheproblemthroughly.However,the"MiniCOB"withflipchipstructurechipisdifferent,ItcannotonlysolvetheproblemwhenusingSMDtechnologytomanufacturerthefinepixelpitchdisplay,butalsomakethepixelpitchsmaller.ThisShanghaiexhibition,CedarlaunchedflipchipCOBdisplayproducts,pixelpitchhasbeenaslowas0.9mm.AccordingtoWangRuiguang,CedarElectronicshasbeenabletomassproductionofpixelpitch0.7mm.Currently,pixelpitch0.5mmproductsarealsointheR&DPhase.AstheassessmentofCOBdisplayproducts,WangRuiguangsaidthatCOBdisplayproductsarenotonlyencapsulationtechnology,butalsorelyondrivingIC,systemcontrolandsystematizationtechnologyasthesupport.Intermsofthereliabilitywhichisindustry'smostconcernedissue,COBLEDdisplaypackagingofCedarElectronicsisoneorderofmagnitudehigherthanSMDdisplay,andtheMiniCOBdisplay,whichuseCedar’slatestflipchiptechnology,isanorderofmagnitudehigherthanthepreviousgenerationCOBdisplay.TheMiniCOBdisplayproductofCedarElectronicsshowatthisexhibitionshowthatalreadysolvethepainpointofthefinepixelpitchLEDdisplay.AsearlyasJulythisyear,CedarElectronicswonthe2017-2018ChinaLEDinnovationtechnologyandproductsawardinChinaOptoelectronicsIndustryAssociation,ChinaSemiconductorLighting/LEDIndustryandapplicationsAlliance,Chinaopticaloptoelectronicsindustryassociationlightemittingdiodedisplayapplicationbranch,optoelectronicindustryassociationofchinaoptoelectronicindustryassociationoptoelectronicdevicebranchandChinaelectronicnewspaperheldthe8thannual"ChinaLEDindustry(2017-2018)"The"selection"campaignwiththeleadingLEDflipchipCOBfinepixelpitchdisplayt

2019-02-04

Entreprise's news

Cedar Electronics helped the first China Automotive Industry Lighting Forum to be held successfully!

Cedar Electronics took the opportunity of the China Association for Science and Technology Innovation Drive Engineering and joined forces with the China Lighting Society, China FAW Group ……

2018-10-09