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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 林晃巖 | |
dc.contributor.author | Wei-Shen Liao | en |
dc.contributor.author | 廖瑋珅 | zh_TW |
dc.date.accessioned | 2021-06-15T16:11:09Z | - |
dc.date.available | 2020-08-26 | |
dc.date.copyright | 2015-08-26 | |
dc.date.issued | 2015 | |
dc.date.submitted | 2015-08-18 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/52291 | - |
dc.description.abstract | 白光LED將成為下世代照明的主流,目前市場以藍光LED晶片搭配黃色螢光粉的方式製作白光LED,而美國能源局(DOE)已明訂2015年起LED燈具空間角度色偏<±100 K,色差<2色容差(standard deviation of color matching, SDCM)的標準,然而目前傳統螢光粉點膠法因為空間色偏大、批量色差大、螢光粉沉降等問題未能符合要求。目前市場上興起許多取代傳統點膠法之螢光膜片等新製程,惟對於螢光貼片生產後之光學量測與分析,尚未建立系統性的分析與量測方法,本論文發展了一套大面積螢光貼片量測系統,藉由PM9成像色度計配合自製藍光背光源,並同時與光譜儀量測法進行色溫校正。成功量測以模造法方式,製造出相同厚度且高均勻度之矩陣式圖案化螢光膜片,每一小片之色容差可以小於2,其藉由PM9成像色度計架設量測系統量測,且與光譜儀量測法加以驗證。接著,我們將所製作之圖案化螢光膜片黏貼至垂直式藍光晶片,完成白光LED封裝,藉由垂直式藍光晶片無側邊漏光及超均勻螢光膜片之特性,明顯降低空間角度色偏問題,最後嘗試以光學模擬驗證的方式探討黏層的光學特性,發現黏著膠層的尺寸變異,將主導封裝後的光學特性。 | zh_TW |
dc.description.abstract | The white light emitting diode (LED) has become the most popular lighting for the next generation. The department of energy (DOE) of the United States has stipulated the standard of luminaire that the spatial angular color deviation (SACD) should be less than ±100K and the SDCM (standard deviation of color matching) needs to be smaller than 2 since 2015. However, the traditional phosphor dispensing method suffered the problems of huge SACD, large batch color shift, phosphor sedimentation and so on. Many processes of phosphor films have been mentioned to replace the traditional phosphor dispensing method so far, but not yet established systematic analysis and measurement methods after production. In this thesis, we developed a measurement system for the phosphor film by using Prometric 9 (PM9) and a homemade blue backlight, and verified and regulated by using the spectrometer measurement method. We manufactured the matrix type of patterned phosphor film with the same thickness and uniformity by molding process, and succeeded to measure the SDCM of phosphor film of each small piece to be less than 2. In addition, white LED we made by the small pieces of patterned phosphor film bond to the vertical blue chip, which reduced the problem of SACD due to no side light leak and uniformity of phosphor film. Finally, we attempted to explore the optical properties of bonding layer by simulation, and found that the bonding layer with size variation will dominate the optical properties of the encapsulation. | en |
dc.description.provenance | Made available in DSpace on 2021-06-15T16:11:09Z (GMT). No. of bitstreams: 1 ntu-104-R02941083-1.pdf: 6617896 bytes, checksum: daabc17ad37896c6d6f50284b50a2d58 (MD5) Previous issue date: 2015 | en |
dc.description.tableofcontents | 內容
口試委員審定書 誌謝 i 中文摘要 ii ABSTRACT iii 目錄 iv 圖目錄 vi 表目錄 xi 第一章 緒論 1 1.1 LED發展歷程 1 1.2 研究動機 3 1.3 本文架構 5 第二章 基本原理 6 2.1 LED發光原理 6 2.2 螢光粉特性 7 2.2.1 螢光粉原理 7 2.2.2 激發頻譜與發射頻譜 9 2.2.3 量子效率 10 2.2.4 史托克斯轉換效率 11 2.2.5 米氏散射與雷利散射 11 2.3 色度學 12 2.3.1 人眼敏感函數 12 2.3.2 色度座標圖 16 2.3.3 色溫及相關色溫 17 2.3.4 SDCM 19 2.4 光度單位與輻射度單位 21 2.4.1 光度單位 21 2.4.2 輻射度單位 22 第三章 矩陣式圖案化螢光膜片與白光LED製作 24 3.1 矩陣式圖案化螢光膜片 24 3.2 白光LED製作 27 第四章 量測結果分析 30 4.1 矩陣式圖案化螢光膜片 30 4.1.1 儀器介紹與量測結果比較 30 4.1.2 膜片厚度量測與光學量測對照 39 4.1.3 光源輝度差異與量測結果比較 43 4.1.4 軟體參數調整之量測結果 47 4.1.5 不同濃度螢光膜片量測結果之比較 50 4.2 白光LED量測 58 4.2.1 儀器介紹 58 4.2.2 IL-LI量測結果 60 4.2.3 配光曲線儀量測結果 66 第五章 模擬驗證 71 5.1 白光LED光學模型 71 5.2 模擬驗證結果討論 76 第六章 結論與未來展望 79 參考文獻 81 | |
dc.language.iso | zh-TW | |
dc.title | LED圖案化螢光膜片之量測與分析 | zh_TW |
dc.title | Measurement and Analysis of Patterned Phosphor Films for LED | en |
dc.type | Thesis | |
dc.date.schoolyear | 103-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 黃萌祺,饒智昇 | |
dc.subject.keyword | 發光二極體,成像色度計,光譜儀,發光強度測量系統,雙旋角分佈式光度量測儀, | zh_TW |
dc.subject.keyword | LED,Phosphor film,Radiant Imaging ProMetric 9,Spectrometer,IS-LI,Light intensity distribution, | en |
dc.relation.page | 84 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2015-08-18 | |
dc.contributor.author-college | 電機資訊學院 | zh_TW |
dc.contributor.author-dept | 光電工程學研究所 | zh_TW |
顯示於系所單位: | 光電工程學研究所 |
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