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研究生:莊博守
研究生(外文):Po-Shou Chuang
論文名稱:利用能量轉換之混溶白光高分子製作
論文名稱(外文):White emission from polymer blend by cascade energy transfer
指導教授:楊素華楊素華引用關係
指導教授(外文):Su-Hua Yang
學位類別:碩士
校院名稱:國立高雄應用科技大學
系所名稱:電子與資訊工程研究所碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2005
畢業學年度:93
語文別:中文
論文頁數:84
中文關鍵詞:白光高分子混溶
外文關鍵詞:white emissionpolymerblend
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近年來,平面顯示器 (flat panel display) 之研究發展成為各方所關注的焦點,它可以將人類帶入新感觀的境界。在眾多的顯示器中,電激發光顯示器(electroluminescent display, ELD) , 由於它具有視角度廣, 冷光放射, 可撓性佳以及輕薄短小等優點, 因此它在平面顯示器中具有深厚的發展潛力。雖然目前的EL顯示器是以單色顯示為主, 然而為使EL顯示器走向商業化與生活化, 研發全彩的EL平面顯示器是迫切需要的。EL可依發光材料分為有機和無機兩種,過去的研發多以無機材料為主,然近年來,由於有機材料之特殊物化特性,使得它的研究及應用引起熱烈的關注,在這當中,以有機發光材料應用在平面顯示器技術上所製成的發光二極體ELD具有諸多優點,是現有平面顯示器所採用的發光材料中所短少的。近年來,我們對於發白光的元件很感興趣,因為它們可以應用在照明燈源、平面顯示器或是LCD的背光源。相對於使用RGB三原色製造的全彩顯示器,利用白光層加上彩色濾光片在製程方面是比較簡單而且容易了解的。

基於以上原因,故本研究利用高分子之間的不互溶性,使得混溶系統可以發出兩種或兩種以上顏色的光,藉由此混出白光。
In recent years, flat panel display has been interested by many scientists, that is owing to its excellent image quality. Electroluminescent displays(ELDs)which are expected as a dominant candidate for the flat panel display due to the advantages of ELDs, such as wide viewing angle, lightweight and flexible etc. Currently, ELDs are almost monochrome, thus, full color ELDs are required for commercialization.

The EL materials can be distinguished into organic and inorganic. In the past, many studies were focused on inorganic materials. However, the organic materials have attracted much attention because of their particular physical and chemical properties. The organic LEDs have a lot of advantages. Recently, we have interested in white light-emitting devices because they can be used as an illumination light source or a backlight for liquid crystal displays. Compared with conventional displays fabricated with primary red, green, and blue (RGB) light-emitting materials, a full color display can be realized more easily by using a white light-emitting layer in combination with a micro-patterned color filter.

Base on above reasons, using the poor miscible or immiscible property of blend system, however, each material not only emits its own color but also partially transfers the excitation energy to the narrower bandgap material. We prepare white light blended polymer by this way.
中文摘要------------------------------------------------------------------------------i
英文摘要----------------------------------------------------------------------------iii
誌謝-----------------------------------------------------------------------------------v
總目錄-------------------------------------------------------------------------------vii
表目錄---------------------------------------------------------------------------------x
圖目錄--------------------------------------------------------------------------------xi
壹、 緒論
1-1 前言---------------------------------------------------------------------1
1-2 顯示器之發展史------------------------------------------------------2
1-3 有機電激發光顯示器之特質---------------------------------------3
貳、 文獻回顧
2-1 有機電致發光發展史------------------------------------------------6
2-2 發光機構---------------------------------------------------------------9
2-3 影響OLED元件特性的主要因素---------------------------------12
2-4 改善有機發光元件效率的重要發展-----------------------------12
2-4-1 結構方面的改善-----------------------------------------------13
2-4-2 低功函數負電極-----------------------------------------------14
2-4-3 主體(host)-客體(guest)材料摻雜系統-------------------15
2-5 改善PLED效率增加穩定性的方法------------------------------16
2-6 元件衰減機制--------------------------------------------------------18
2-7 研究動機--------------------------------------------------------------19
參、 實驗部份
3-1 儀器-------------------------------------------------------------------20
3-1-1 紫外可見光吸收光譜儀------------------------------------20
3-1-2 光激發光光譜量測--------------------------------------------20
3-1-3 CIE座標量測----------------------------------------------------21
3-1-4 CV量測-----------------------------------------------------------21
3-2 實驗步驟-------------------------------------------------------------21
3-3 ITO玻璃基板清洗步驟--------------------------------------------22
肆、 結果與討論
4-1 材料介紹------------------------------------------------------------- 23
4-2 兩種材料混溶系統之探討----------------------------------------25
4-2-1 兩種材料混溶系統之PL光譜圖分析-----------------------25
4-2-2 兩種材料混溶系統之PLE光譜圖分析---------------------27
4-2-3 兩種材料混溶系統之CIE座標圖分析---------------------28
4-3 三種材料混溶系統之探討-----------------------------------------29
4-3-1 三種材料混溶系統之PL光譜圖分析-----------------------29
4-3-2 三種材料混溶系統之PLE光譜圖分析---------------------30
4-3-3 三種材料混溶系統之CIE座標圖分析---------------------31
4-4 三種不同高分子材料之CV圖------------------------------------32
伍、 結論--------------------------------------------------------------------------34
參考文獻----------------------------------------------------------------------------35
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