Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2011-03-29
2011-03-29
Kosack, Joseph R (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S518000, C548S550000
Reexamination Certificate
active
07915428
ABSTRACT:
A photorefractive dendron compound, a photorefractive dendrimer compound and applications thereof, and more particularly, a photorefractive dendron compound, including a non-linear chromophore containing a tricyanopyrroline-based electron-withdrawing group and a carbazole derivative having excellent charge transport properties, a method of preparing the photorefractive dendrimer compound, a photorefractive device including the photorefractive dendrimer compound, and a method of manufacturing the photorefractive device. In the photorefractive dendrimer compound, dendron has the non-linear optical chromophore and carbazole introduced thereto to thus impart one molecule with both photoconductivity and non-linear optical properties, thereby solving conventional problems caused by poor compatibility between photoconductive material and chromophores in conventional photorefractive material. The dendrimer compound may be applied to bio-imaging techniques thanks to the use of the non-linear optical chromophore, which is sensitive to near infrared light.
REFERENCES:
Jung et al. “Photorefractive star-shaped molecular glassy materials containing tricyanopyrroline-based chromophore” Applied Physics Letters, 2007, pp. 181123-1 to 181123-3.
Kyung Moon Jung et al., Photorefractive star-shaped molecular glassy materials containing tricyanopyrroline-based chromophore, May 3, 2007.
Cho Min Ju
Choi Dong Hoon
Jung Kyung Moon
Cantor & Colburn LLP
Korea University Industrial & Academic Collaboration Founda
Kosack Joseph R
Samsung Electronics Co,. Ltd.
Seoul National University Industry Foundation
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