博碩士論文 992306002 詳細資訊




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姓名 林辰峰(Chen-feng Lin)  查詢紙本館藏   畢業系所 光電科學與工程學系
論文名稱 AlN, Al2O3,Al應用於LED散熱基板之壽命推估研究
(The study of estimate life of LED modules on the AlN, Al2O3 and Al substrates.)
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摘要(中) 摘要
本研究主要是建立使用氮化鋁基板、氧化鋁基板、鋁基板LED模組其流明維持率之推估壽命模型,參考IES LM-80-08光源流明維持率量測方法,取氮化鋁基板、氧化鋁基板、鋁基板三種樣品,每種樣品各10個,放置於55及85度環境之下,採用IES LM-79-08 發光二極體光源電氣和光度特性量測方法,每1000小時記錄樣品流明維持率,直到6000小時;所得數據再利用IES TM-21-11預估二極體光源流明維持率進行LED模組壽命預測。結果建立LED模組三種不同基板的推估壽命模型,其結果日後可以運用於原位溫度測量試驗(ISTMT)合併內插法進行整體照明系統壽命之推估。

三種基板曲線擬合後L70(6K)數據結果,在55°C時AlN基板以36642小時領先,Al2O3基板以27116 h次之,Al基板以26932 h居後;在85°C時Al2O3基板以5422 h領先,AlN基板以5379 h次之,Al基板以5035 h居後。
溫度數據內插70 °C結果,AlN基板為13724 h、Al2O3基板為11886 h、Al基板為11401 h。
摘要(英) This study is to establish the aluminum nitride substrate, the alumina substrate and the aluminum substrate LED module to estimate its lumen maintenance of life model. Refer to IES LM-80-08 lumen maintenance light measurement methods. The aluminum nitride substrates, alumina substrates, aluminum substrates, each type for 10 pcs, placed under 55 and 85 degrees environment. Using the IES LM-79-08 light emitting diodes electrical and photometric characteristics measuring method, every 1000 hours recording lumen maintenance until 6000 hours. The resulting data use IES TM-21-11 estimate diode light source LED lumen maintenance performed life prediction module. LED modules to build three different models to estimate the life of the substrate, and the results can be applied in future in situ temperature measurement test (ISTMT) combined interpolation method to estimate the overall life of the lighting system.
The result of curve fitting L70(6K):At 55 °C, AlN substrate is 36,642 hours, Al2O3 substrate is 27116 h, Al substrate is 26932 h, At 85 °C, Al2O3 substrate is 5422 h, AlN substrate is 5379 h, Al substrate is 5035 h.
Data interpolating the temperature 70 ° C results, AlN substrate is 13724 h, Al2O3 substrate is 11886 h, Al substrate is 11401 h.
關鍵字(中) ★ 流明維持率
★ 氮化鋁基板
★ 氧化鋁基板
★ 鋁基板
關鍵字(英) ★ IES LM-80
★ IES LM-79
★ Lumen maintenance
★ IES TM-21
★ aluminum nitride substrate
★ alumina substrate
★ aluminum substrate
論文目次 摘要............................................................................................................. i
Abstract...................................................................................................... ii
誌謝........................................................................................................... iii
目錄........................................................................................................... iv
圖目錄.................................................................................................... ..vii
表目錄.........................................................................................................x
第一章 緒論.............................................................................................1
1.1 前言..................................................................................................1
1.2 研究背景..........................................................................................3
1.3 研究動機..........................................................................................5
1.4 論文架構..........................................................................................6
第二章 AlN, Al2O3,Al 應用於 LED 散熱器之特性分析.........................7
2.1 LED 發光原理.................................................................................7
2.2 LED 封裝之熱管理.......................................................................10
2.2.1 熱阻...........................................................................................11
2.2.2 熱能傳導方式 ..........................................................................13
2.2.2.1 熱傳導 ...............................................................................14v
2.2.2.2 熱對流 ...............................................................................15
2.2.2.3 熱輻射 ...............................................................................16
2.3 LED 散熱基板材料種類.................................................................17
2.3.1 印刷電路基板(PCB) ................................................................18
2.3.2 金屬芯印刷電路基板(MCPCB)……………………………..19
2.3.3 陶瓷基板...................................................................................23
2.3.3.1 氧化鋁(Al2O3)基板 ...........................................................24
2.3.3.2 氮化鋁(AlN)基板..............................................................26
第三章 LED 模組壽命量測及推估方法................................................30
3.1 LED 光源電性及光度量測.............................................................30
3.1.1 適用範圍..................................................................................30
3.1.2 檢測設備與試驗環境要求......................................................32
3.1.2.1 積分球系統.......................................................................32
3.1.2.2 溫度試驗設備...................................................................35
3.1.3 量測數據要求.............................................................................38
3.2 LED 光源光束維持率量測...........................................................41
3.2.1 量測數據標準化..................................................................41
3.2.2 曲線擬合(curve-fitting) ......................................................44
3.2.3 溫度數據內插......................................................................46vi
第四章 Al、AlN、Al2O3應用於 LED 基板推估流明維持率結果分析...48
4.1 LED 光源維持率量測結果……………………………………….48
4.2 推估 LED 光源之長期流明維持率…………………….……….51
4.3 溫度數據內插…………………………………………………….55
第五章 結論與未來展望 ......................................................................57
5.1 結論 .................................................................................................57
5.2 未來展望 .........................................................................................59
參考文獻...................................................................................................61
參考文獻 [1]國立中央大學光電科學與工程學系,光電科技概論p397-405,五南書局,臺北市,中華民國九十七年。
[2]E. F. Schubert, Light-Emitting Diodes, 2nd ed. (Cambridge University Press, Cambridge, 2006).
[3]D. A. Neamen, Semiconductor Physics and Devices (McGraw-Hill, New York, 2003).
[4]Wikipedia, http://www.wikipedia.org/.
[5]LED熱設計與工程應用,周志敏,紀愛華編著,p5-7,北京電子工業出版社,2012年1月
[6]工業材料雜誌231期,黃振東,95年3月
[7]IES LM-79-08, Approved Method:Electrical and Photometric Measurements of Solid-State Lighting Products s, Illuminating Engineering Society of North America, 120 Wall Street, New York, New York 10005, Dec. 2007
[8]IES LM-80-08, Measuring Lumen Maintenance of LED Light Sources, Illuminating Engineering Society of North America, 120 Wall Street, New York, New York 10005, Sep. 2008
[9]IES TM-21-11:Projecting Long Term Lumen Maintenance of LED Light Sources, Illuminating Engineering Society of North America, 120 Wall Street, New York, New York 10005, July 2011
指導教授 張榮森(Rong-seng Chang) 審核日期 2014-7-25
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