Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2007-08-28
2007-08-28
Dye, Rena (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C257S102000, C257S103000, C564S305000, C544S035000, C544S102000
Reexamination Certificate
active
10745679
ABSTRACT:
The present invention relates to red color emitting compounds for an organic electroluminescent device (OELD), particularly to red color emitting compounds represented by the following formula (1) having high luminescence efficiency and enhanced thermal-stability:in-line-formulae description="In-line Formulae" end="lead"?R1—CH═CH—X—CH═CH—R2in-line-formulae description="In-line Formulae" end="tail"?wherein, R1, R2and X each are as defined below.
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Han Yoon-Soo
Kim Ki-Dong
Kim Sang-Dae
Kim Yong-Kwan
Tak Yoon-Heung
Dye Rena
KED & Associates LLP
LG Electronics Inc.
Thompson Camie S.
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