Compositions – Light transmission modifying compositions – Modification caused by energy other than light
Reexamination Certificate
2005-04-12
2005-04-12
Tucker, Philip C. (Department: 1712)
Compositions
Light transmission modifying compositions
Modification caused by energy other than light
C252S301160, C252S301350
Reexamination Certificate
active
06878312
ABSTRACT:
A composition, which can be used in an ink jet printing method, can use either a non-polar or a weakly polar material as a functional material, prevents clogging at dispensing time, achieves stable dispensing, and prevents precipitation of content matter during dispensing and phase separation during film formation, a uniform, homogenous functional film formed using this composition and a manufacturing method therefor, as well as an organic EL device or other such display device and a manufacturing method therefor. A composition of the present invention consists of a functional material, and a solvent comprising at least one benzene derivative, which has one or more substituents, and these substituents have 3 or more carbon atoms in total. A functional film of the present invention is formed using the above-mentioned composition. A display device of the present invention comprises luminescent material layers formed using the above-mentioned composition between two electrodes. The above-mentioned display device is an organic EL device or the like.
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Kanbe Sadao
Seki Shun-ichi
Cambridge Display Technology Limited
Oliff & Berridg,e PLC
Seiko Epson Corporation
Tucker Philip C.
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