17.3: High‐Performance Blue OLEDs Based on a Sterically Hindered Pyrene Host Material | Zendy

Yeh ChiaChun | Zendy; Lee MengTing | Zendy; Chen HsianHung | Zendy; Chen Chin H. | Zendy

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17.3: High‐Performance Blue OLEDs Based on a Sterically Hindered Pyrene Host Material

Author(s) -

Yeh ChiaChun,

Lee MengTing,

Chen HsianHung,

Chen Chin H.

Publication year - 2004

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1889/1.1825796

Subject(s) - pyrene , steric effects , oled , luminance , excimer , common emitter , fluorescence , materials science , photochemistry , doping , chemistry , optoelectronics , optics , stereochemistry , nanotechnology , organic chemistry , physics , layer (electronics)

We have developed a highly efficient blue OLED emitter based on a sterically hindered fluorescent host material of tetra(o‐tolyl) pyrene (TOTP) which effectively suppresses the excimer emission of its EL. Doped with DSA‐Ph of matching LUMO/HOMO, the new TOTP produces blue device with luminance efficiency of 8.64 cd/A at 20 mA/cm 2 and 7.1 V with a CIE x, y color coordinate of [0.15, 0.28].

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