Progress in organic nrnltilayer electroluminescent devices

Shogo Saito, Tetsuo Tsutsui, Masanao Era, Noriyuki Takada, Chihaya Adachi, Yuji Hamath, Takeo Wakimoto

研究成果: Contribution to journalConference article

52 引用 (Scopus)


Survay of dye materials for the emission layer in the multilayer organic electroluminescent (EL) device is discussed in terms of emission color and fluorescent efficiency. Organic semiconductors for the electron or the hole transport layer in the EL device are proposed for preparing stable homogeneous thin layer. Requirement of accomplishing the confinement of the singlet excitons generated by the recombinations of injected electrons and holes is discussed by using three layer EL devices with extremely thin bimolecular emission layer. Then the emphasis is laid on the size effects in three layer EL device with double heterojunctions on the spontaneous emission. Variations of the intensity and pattern of outer emission through semitransparent ITO glass substrate with the spacing between the emission layer and the metallic electrode are discussed theoretically and experimentally. And variation of the fluorescent lifetime or the radiative decay rate with the spacing is also discussed theoretically and experimentally.

ジャーナルProceedings of SPIE - The International Society for Optical Engineering
出版物ステータス出版済み - 8 27 1993
イベントElectroluminescent Materials, Devices, and Large-Screen Displays 1993 - San Jose, 米国
継続期間: 1 31 19932 5 1993

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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