資源描述:
《本科畢業(yè)論文-gan基led特性測量》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、本科畢業(yè)論文(科研訓(xùn)練、畢業(yè)設(shè)計)題目:GaN基LED特性測量姓名:學(xué)院:系:專業(yè):年級:學(xué)號:指導(dǎo)教師(校內(nèi)):職稱:2012年05月24日GaN基LED特性測量摘要本文對GaN基LED的光學(xué)特性、電學(xué)特性和熱學(xué)特性進(jìn)行了研究,先介紹了LED的發(fā)光原理、GaN材料的基本特性和垂直結(jié)構(gòu)的LED,然后采用光譜法測量GaN基LED的光譜特性并利用結(jié)溫與峰值波長的關(guān)系計算LED的結(jié)溫。關(guān)鍵字GaN基LED電致發(fā)光垂直結(jié)構(gòu)光譜法結(jié)溫IIThecharecteristicinvestigationoftheGaN-basedLEDAbstractInthisarticle,westudiedthe
2、opticalcharecteristic,electricalcharecteristic,andthermalcharecteristicoftheGaN-basedLED.First,theluminescenceprincipleofLED,thebasecharecteristicofGaNmaterials,andthestructureoftheLEDwereintroduced.Then,theopticalpropertiesofGaN-basedLEDwereinvestigatedsystemically.Therelationshipbetweenthejunct
3、iontemperatureandpeakwavelengthwasalsoinvestigatedbyanalysingtheexperimentdata.KeywordsGaN-basedLEDElectroluminescenceVerticalstructureSpetrometryJunctiontemperatureIII目錄目錄第一章引言........................................................................................................................
4、.............11.1LED的應(yīng)用及發(fā)展史..................................................................................................11.2Ⅲ族氮化物材料基本性質(zhì)及GaN基LED器件的研究進(jìn)展....................................21.3GaN基LED所面臨的主要問題.................................................................................41.4論文
5、的主要內(nèi)容...........................................................................................................6第二章器件結(jié)構(gòu)及測試方法.........................................................................................................72.1GaN基LED的器件結(jié)構(gòu)...................................................
6、...............................................72.2電致發(fā)光原理.....................................................................................................................82.3LED的結(jié)溫測量...............................................................................................................
7、.9第三章測量結(jié)果與分析...............................................................................................................113.1GaN基LED光學(xué)特性分析.............................................................................