1
Peter S Atherton, David M Price, James Whitefield, Miao Yong Cao: Materials and construction for a tamper indicating radio frequency identification label. Micoh Corporation, Parlex Corporation, Weingarten Schurgin Gagnebin & Lebovici, May 23, 2006: US07049962 (107 worldwide citation)

Materials and construction for a tamper indicating radio frequency identification (RFID) label are provided to permit the destruction of the label or its properties in the event of attempts to remove the label from a surface to which it has been applied. An adhesion modifying coating is applied to a ...


2
Chi Zhang, Gang Yu, Yong Cao: Long operating life for polymer light-emitting diodes. Uniax Corporation, Burns Doane Swecker & Mathis L, August 25, 1998: US05798170 (95 worldwide citation)

Long-lived organic light-emitting diodes are achieved by positioning a layer comprising polyaniline in the emeraldine salt form directly contiguous with the anode side of the active light-emitting layer. Particular advantages are achieved if the emeraldine salt-containing layer has a sheet resistanc ...


3
Yong Cao, Paul Smith, Alan J Heeger: Processible forms of electrically conductive polyaniline. Uniax Corporation, Morrison & Foerster, August 3, 1993: US05232631 (91 worldwide citation)

Solutions and plasticized compositions of electrically conductive substituted and unsubstituted polyanilines in nonpolar organic fluid phases with functionalized protonic acids are disclosed as are methods of forming such solutions or compositions and use of same to form conductive articles.


4
Gang Yu, Yong Cao: Organic diodes with switchable photosensitivity useful in photodetectors. Uniax Corporation, October 16, 2001: US06303943 (51 worldwide citation)

Organic photodetectors with switchable photosensitivity are achieved using organic photoactive layers in electrode/organic/electrode structures. The photosensitivity can be switched on and off by the biasing voltage across the detectors, the switching voltage imparting photosensitivity above 1 mA/W ...


5
Chan I Chung, Miao Yong Cao: Solid polymer solution binders for shaping of finely-divided inert particles. Chang I Chung, William J Daniel, September 9, 1997: US05665289 (49 worldwide citation)

A new class of binders for binding finely divided inert inorganic molding particles when shaped into objects by known mechanical shaping techniques such as injection molding. The novel binders are solid polymer solutions containing a major fraction of a low molecular weight solid relatively non-vola ...


6
Yong Cao: Electrically active polymer compositions and their use in efficient, low operating voltage, polymer light-emitting diodes with air-stable cathodes. Uniax Corporation, October 12, 1999: US05965281 (44 worldwide citation)

The addition of a highly polarizable additive such as an organic anionic surfactant to an electrically active polymer improves the electrical properties of the polymer. When such an additive is added to an electroluminescent organic polymer this mixture can be used in diodes having an anode contacti ...


7
Yong Cao, Paul Smith, Alan J Heeger: Processible forms of electrically conductive polyaniline. Uniax Corporation, Burns Doane Swecker & Mathis, April 29, 1997: US05624605 (43 worldwide citation)

Compositions of electrically conductive substituted and unsubstituted polyanilines in nonconductive substrates such as polymers or polymer plus solvents with protonic acids are disclosed as are methods of forming such compositions and use of same to form conductive articles.


8
Che Hsiung Hsu, Yong Cao, Sunghan Kim, Daniel David Lecloux, Chi Zhang: Water dispersible polythiophenes made with polymeric acid colloids. E I du Pont de Nemours and Company, October 7, 2008: US07431866 (38 worldwide citation)

Compositions are provided comprising aqueous dispersions of polythiophenes and colloid-forming polymeric acids. Films from invention compositions are useful as buffer layers in organic electronic devices, including electroluminescent devices, such as, for example, organic light emitting diodes (OLED ...


9
Gang Yu, Yong Cao: Column-row addressable electric microswitch arrays and sensor matrices employing them. Uniax Corporation, August 27, 2002: US06441395 (31 worldwide citation)

The present invention relates generally to fabricating two-terminal electric microswitches comprising thin semiconductor films and using these microswitches to construct column-row (x-y) addressable microswitch matrices. These microswitches are two terminal devices through which electric current and ...


10
Che Hsiung Hsu, Yong Cao, Sunghan Kim, Daniel David Lecloux, Huawen Li, Charles Douglas MacPherson, Chi Zhang, Hjalti Skulason: Water dispersible substituted polydioxythiophenes made with fluorinated polymeric sulfonic acid colloids. E I du Pont de Nemours and Company, John H Lamming, June 24, 2008: US07390438 (29 worldwide citation)

Compositions are provided comprising aqueous dispersions of polythiophenes having homopolymers or co-polymers of Formula I(a) or Formula I(b) and at least one colloid-forming polymeric acid. Methods of making such compositions and using them in organic electronic devices are further provided.