TWI456024B - 單胺化合物、電荷輸送材料及有機電場發光元件 - Google Patents

單胺化合物、電荷輸送材料及有機電場發光元件 Download PDF

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TWI456024B
TWI456024B TW095117410A TW95117410A TWI456024B TW I456024 B TWI456024 B TW I456024B TW 095117410 A TW095117410 A TW 095117410A TW 95117410 A TW95117410 A TW 95117410A TW I456024 B TWI456024 B TW I456024B
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TW200712168A (en
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Yabe Masayoshi
Fugono Masayo
Iida Koichiro
Takeuchi Masako
Ogata Tomoyuki
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Mitsubishi Chem Corp
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Claims (11)

  1. 一種有機電場發光元件，係於基板上具有陽極、電洞輸送層、有機發光層以及陰極者，其特徵在於：於有機發光層中，含有具有吡啶環、吡環或者三環作為部分結構之有機化合物，並且，於電洞輸送層中含有以下述式(I)表示之分子量2500以下之單胺化合物； (式中，R1 ~R9 表示氫原子、芳基或者碳數28以下之烷基；R1 ~R9 分別可相同亦可不同；R1 ~R9 為芳基或者碳數28以下之烷基之情形時，R1 ~R9 亦可進而具有芳基或者碳數20以下之烷基作為取代基)。
  2. 如申請專利範圍第1項之有機電場發光元件，其中，以式(I)表示之單胺化合物之玻璃轉移溫度為90℃以上。
  3. 如申請專利範圍第1或2項之有機電場發光元件，其中，具有吡啶環、吡環或者三環作為部分結構之有機化合物，進而具有N-苯基咔唑環作為部分結構。
  4. 如申請專利範圍第3項之有機電場發光元件，其中，有機發光層含有發光材料與主體材料，該主體材料係具有吡啶環、吡環或者三環作為部分結構之有機化合物。
  5. 如申請專利範圍第4項之有機電場發光元件，其中， 該發光材料係有機金屬錯合物。
  6. 一種單胺化合物，其特徵在於以下述式(Ⅱ)表示，且分子量2500以下： (式中，R11 ~R22 表示氫原子、芳基或者碳數28以下之烷基；R11 ~R22 分別可相同亦可不同；其中，R11 ~R22 之任一者為芳基或者碳數28以下之烷基；R11 ~R22 為芳基或者碳數28以下之烷基之情形時，R11 ~R22 亦可進而具有芳基或者碳數20以下之烷基作為取代基；又，R11 ~R22 亦可與鄰接之取代基鍵結而形成環)。
  7. 如申請專利範圍第6項之單胺化合物，其中，上述式(Ⅱ)係以下述式(Ⅱ-1)表示： (式中，R23 ~R26 表示氫原子、芳基或者碳數28以下之烷基；R23 ~R26 分別可相同亦可不同；其中，R23 ~R26 之任一者為芳基或者碳數28以下之烷基；R23 ~R26 為芳基或者碳數28以下之烷基之情形時，R23 ~R26 亦可進而具有芳基或者碳數20以下之烷基作為取代基；又，R23 ~R26 亦可與鄰接之取代基鍵結而形成環)。
  8. 一種單胺化合物，其特徵在於以下述式(Ⅲ)表示，且分子量2500以下： (式中，R30 ~R35 表示氫原子、芳基或者碳數28以下之烷基；R30 ~R35 分別可相同亦可不同；其中，R30 ~R35 之任一者為芳基或者碳數28以下之烷基；R30 ~R35 為芳基或者碳數28以下之烷基之情形時，R30 ~R35 亦可進而具有芳基或者碳數20以下之烷基作為取代基；又，R30 ~R35 亦可與鄰接之取代基鍵結而形成環)。
  9. 如申請專利範圍第8項之單胺化合物，其中，上述式(Ⅲ)係以下述式(Ⅲ-1)表示： (式中，R34 ~R37 表示氫原子、芳基或者碳數28以下之烷基；R34 ~R37 分別可相同亦可不同；其中，R34 ~R37 之任一者為芳基或者碳數28以下之烷基；R34 ~R37 為芳基或者碳數28以下之烷基之情形時，R34 ~R37 亦可進而具有芳基或者碳數20以下之烷基作為取代基；又，R34 ~R37 亦可與鄰接之取代基鍵結而形成環)。
  10. 一種電荷輸送材料，其特徵在於：含有申請專利範圍第6至9項中任一項之單胺化合物。
  11. 一種有機電場發光元件，係於基板上具有陽極、有機發光層以及陰極者，其特徵在於：於該陽極及該陰極之間，具有含申請專利範圍第6至9項中任一項之單胺化合物的層。
TW095117410A 2005-05-17 2006-05-17 單胺化合物、電荷輸送材料及有機電場發光元件 TWI456024B (zh)

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