本論文以溶液製程製作高效率橘光磷光小分子有機發光二極體，以小分子磷光主發光體CBP以及具雙極性傳輸之26DCzPPy摻雜改質之三重態金屬銥錯合物PO-01-TB，主、客發光體分散相當均勻，再搭配高傳輸效率之電洞傳輸材料，以純刮刀塗佈技術達到三層結構之有機發光二極體，電流效率最高可達41 cd/A，功率效率21 lm/W，亮度30,000 cd/m2。另外，以轉印的方式將低功函數陰極轉印至刮刀製程之有機發光二極體完成元件製作。陰極為PEG/Al組成之雙層結構製作在軟性基板PDMS上，在基板與陰極之間還加一層分子量1,200之犧牲層PS，加熱150 ℃使PS成熔融狀幫助陰極轉印至有機層，以這個製程製作之螢光綠光元件電流效率3.3 cd/A (1.1 %) ，亮度2500 cd/m2，綠光磷光元件電流效率為25 cd/A (8.2 %) 亮度達 3200 cd/m2，轉印陰極元件效率可達蒸鍍製程之70 %。

The dissertation aims to develop all-solution-processed small molecule organic light-emitting diodes. The emissive layer contains a bipolar 4,4'-bis(carbazol-9-yl)biphenyl (CBP) host or 2,6-bis(3-(9H-carbazol-9-yl)phenyl)pyridine (26DCzPPy) and iridium(III) bis(4-(4-t-butylphenyl)thieno[3,2-c]pyridinato-N,C2')acetylacetonate (PO-01-TB) emitter with optimal weight ratio of 94:6 dissolved in chloroform. Uniform dispersion of iridium complex in polymer host poly(vinylcarbazole) is achieved. Tri-layer structure with hole transporting layer, host-guest emissive layer, and hole blocking layer is made by blade-only technique. Current efficiency of 41 cd/A, power efficiency of 21 lm/W, and luminance of 30,000 cd/m2 are achieved for orange-emitting device. The low work function cathode of blade-coated organic light-emitting diode is transferred from a soft polydimethylsiloxane (PDMS) mold by lamination without vacuum. The cathode is a bilayer of polyethylene glycol (PEG) (< 10 nm) and Al (100 nm) . A sacrificial layer of polystyrene with low Mw 1,500 and melting point of 120 ℃ is inserted between the cathode and PDMS for the subsequent mold removal at 150 ℃ by melting polystyrene. Current efficiency of 3.3 cd/A (1.1 %) and luminance of 2500 cd/m2 are achieved for green polyfluorene fluorescent emitter. 25 cd/A (8.2 %) and 3200 cd/m2 are achieved for green phosphorescent tris[2-(p-tolyl)pyridine]iridium(III) (Ir(mppy)3) emitter in polymer blend host. The efficiency is about 70 percent of the devices with thermally evaporated cathode.

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