Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2008-03-25
2008-03-25
Garrett, Dawn (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C257S040000, C257SE51027, C257SE51032, C257SE51036, C257SE51046, C313S504000, C313S506000, C528S008000, C528S010000, C528S394000, C528S397000, C528S403000, C528S423000
Reexamination Certificate
active
10995299
ABSTRACT:
A spirofluorene-type of a blue light-emitting polymer including an indenofluorene repeating unit having a spiroanthracene structure, and an organic electroluminescent display using the polymer. The brightness and efficiency property of the organic electroluminescent display are improved.
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patent: 5859211 (1999-01-01), Kreuder et al.
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patent: 2005/0038223 (2005-02-01), Becker et al.
patent: 2002-326965 (2002-11-01), None
Kim Dong-Yu
Kim Sang-Yeol
Lee Soo-Hyoung
Park Sang-Hoon
Son Jhun-Mo
Bushnell , Esq. Robert E.
Crouse Brett A
Garrett Dawn
Samsung SDI & Co., Ltd.
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