研究生: |
陳玫伶 Mei-ling Chen |
---|---|
論文名稱: |
矽膠種類與比例對發光二極體老化及疲勞之情形 Silicone type and ratio of light-emitting diodes to conditions of aging and fatigue |
指導教授: |
林舜天
Shun-Tian Lin |
口試委員: |
周賢鎧
Shyan-kay Jou 林寬泓 none |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 機械工程系 Department of Mechanical Engineering |
論文出版年: | 2011 |
畢業學年度: | 99 |
語文別: | 中文 |
論文頁數: | 71 |
中文關鍵詞: | 矽膠 、環氧樹脂 、老化 、疲勞 |
外文關鍵詞: | silicone, epoxy, aging, fatigue |
相關次數: | 點閱:329 下載:3 |
分享至: |
查詢本校圖書館目錄 查詢臺灣博碩士論文知識加值系統 勘誤回報 |
在照明市場快速的發展當下,國內的封裝膠材廠商也逐漸增加,近年來也出現了許多開發新膠材的公司;至目前為止,矽膠的各種特性都遠比傳統環氧樹脂來的優秀,但是否能長時間維持效率,以增加二極體產品最重要的使用壽命是本研究著重的方面。
本研究針對矽膠在兩大破壞機制:老化及疲勞中,做三種以溫度為主要參數的試驗,使用的膠品都是以甲基組成高透光率的矽膠,檢測矽膠是否可以克服環氧樹脂在溫度下造成的老化現象;實驗結果顯示,長時間處在高溫下的矽膠仍有因老化引起效率降低的現象,但膠體的抗黃化比起環氧樹脂來的優秀。
Rapid growth in the current lighting market, the domestic plastic packaging material manufacturers have gradually increased in recent years.There have been many companies developing new plastic materials. To now, various silicone resin have better properties than traditional epoxy, but can it go for a long time to maintain the efficiency of the diode and to increase the service life of products, are the most important aspects this study. The two major failure mechanism for silicon are aging and fatigue, to do three main parameters to test the temperature, the use of plastic products are composed of high light transmission rate of methyl silicone, silicone detect whether the epoxy resin can be overcome in temperature caused by aging; Experimental results show that for a long time at high temperature silicone is still due to reduced efficiency due to the aging phenomenon, but the anti-yellow gel to excellent compared with epoxy resin.
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