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1、OLEDLightwhich will change our lifeCataloguePrinciple and structureResearch significance(advantages)Problems need to be solvedStructureStructureIndium Tin Oxide(ITO,銦錫氧化物)Hole exchange layer(HTL,空穴傳輸層)electron transfer layer(ETL,電子傳輸層)Emitting layer(EL，發(fā)光層)Metalcathode(金屬陰極)Anodes(陽極)Output light Or

2、ganic Light-Emitting Display，OLEDAnodesHTLCathodeETL+_When the power on,holes from the anodes will composite the electrons from the cathode in the transport layer.Finally,the light comes out from the bottom of the device.PrinciplePrincipleAdvantagesAdvantages Flexible display which means it can be f

3、olded or rolled up just like a paper Nowadays,our mobile phone is bigger and bigger.which contribute to the thing that we need a big screen.OLED can not only enables us to enjoy the big screen but also make mobile phone not to occupy a large space at the same time.The screen can be rolled up and our

4、 phone can be like a picture scrollScreenOther partsOLED devices can also be used as a lighting source.Light and thin,the thickness is only millimeter levelThe light is downy，which can protect our eyes safetysave the energyEnvironmental，OLED made of organic materialsThe transparency of the device ca

5、n reach 75%Philips and the organic Electronics research institute in Japan can produce a OLED light source,whose transparency can reach 7075%.This OLED lighting transparent window type can be as same as the normal window at daytime,which can let the sunlight penetrates from the outside and only work

6、 in the night.This design has double function on building glass curtain and lighting.In October 2014,the media revealed that the company of science and technology plans to research and produce“transparent plane”.The OLED for fuselage can not only bring the passengers in the scenery outside the windo

7、w,but also even make the passengers on board enjoy themselves just like flying in the sky.OLED technology makes the fuselage thinner and strongger.The seat of passenger will also become more spacious and comfortable.video glasses can be made by OledThe purity of color is not enough.Especially,the blue phosphorefficiency is not enoughWork-time is not enoughDifficult for mass productionThe high costProblems need to be solvedProblems need to be solved