Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2011-01-20
2011-11-01
Wu, David W (Department: 1762)
Stock material or miscellaneous articles
Composite
Of inorganic material
C313S483000, C313S498000, C313S506000
Reexamination Certificate
active
08048543
ABSTRACT:
It is an object of the present invention to provide a functional layer for protecting a light emitting element from being deteriorated by a physical or chemical influence when the light emitting element is manufactured or driven, and to attain extension of lifetime of an element and improvement of element characteristics without increasing a drive voltage and degrading transmittance and color purity by providing such a functional layer. One feature of the present invention is to provide a buffer layer made of a composite material for a light emitting element including aromatic hydrocarbon containing at least one vinyl skeleton and metal oxide in part of a light emitting substance containing layer, in the light emitting element formed by interposing the light emitting substance containing layer between a pair of electrodes. The composite material for a light emitting element for forming the buffer layer of the present invention has high conductivity and is superior in transparency.
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Aoyama Tomoya
Ikeda Hisao
Iwaki Yuji
Kawakami Takahiro
Sakata Junichiro
Nguyen Vu A
Robinson Eric J.
Robinson Intellectual Property Law Office P.C.
Semiconductor Energy Laboratory Co,. Ltd.
Wu David W
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