ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING A CAPPING LAYER WITH AN ARYLAMINE COMPOUND HAVING BENZOAZOLE RING STRUCTURE
An objective of the invention is to provide an organic EL device that combines various materials of the device and a capping layer composed from a material that absorbs sunlight within the wavelength range of 400 nm to 410 nm to prevent impact on materials inside the organic EL device, has a high li...
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| creator | YANG, Byung-Sun MOCHIZUKI, Shunji CHOI, Young-Tae PARK, Seok-Bae KASE, Kouki HAYASHI, Shuichi LEE, Se-Jin HIRAYAMA, Yuta YAMAMOTO, Takeshi YU, Tae-Jung UEHARA, Takuya |
| description | An objective of the invention is to provide an organic EL device that combines various materials of the device and a capping layer composed from a material that absorbs sunlight within the wavelength range of 400 nm to 410 nm to prevent impact on materials inside the organic EL device, has a high light absorption coefficient and a high refractive index to significantly improve light extraction efficiency, has excellent stability, durability and light resistance in a thin film, and has no absorption within the wavelength ranges of blue, green and red, to thereby effectively achieve the characteristics of the various materials of the device. The invention is an arylamine compound having a benzazole structure, and is also an organic EL device including a capping layer containing the arylamine compound and a light-emitting layer containing a host and a phosphorescent dopant. |
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| subjects | ADHESIVES CHEMISTRY DYES ELECTRICITY HETEROCYCLIC COMPOUNDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY PAINTS POLISHES |
| title | ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING A CAPPING LAYER WITH AN ARYLAMINE COMPOUND HAVING BENZOAZOLE RING STRUCTURE |
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