Abstract: The present invention provides semiconducting compounds, oligomers and polymers of formula wherein A1 and A2 can be the same or different and are S or Se, E is selected from the group consisting of The compounds, oligomers and polymers of formula of formula (1) are suitable for use in electronic devices such as organic field effect transistors.

Abstract: A dynamically flexible article or device, such as an armband, includes a flexible electronic component, such as a flexible electronic display, and a flexible support structure coupled to the flexible electronic component, wherein the flexible support and the flexible electronic component are flexible along two dimensions to thereby be able to conform to a complex curved surface. The flexible support includes bending limiting structure that constrains bending of the flexible electronic component to prevent undesirable bending.

Abstract: An article includes a flexible electronic component and a flexible support coupled to the flexible electronic component. The flexible support is configured to support the flexible electronic component but also limit local bending of the flexible component. The flexible support defines a plurality of hinge points configured to facilitate movement of the article. The plurality of hinge points are positioned such that the article has a desired bending range.

Abstract: The present invention relates to certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The present compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The present compounds can have good solubility in common solvents enabling device fabrication via solution processes.

Abstract: Disclosed are light-emitting transistors having novel structures that can lead to enhanced device brightness, specifically, via incorporation of additional electrically insulating components that can favor charge localization and in turn, carrier recombination and exciton formation.

Abstract: Disclosed are curable linear polymers that can be used as active and/or passive organic materials in various electronic, optical, and optoelectronic devices. In some embodiments, the device can include an organic semiconductor layer and a dielectric layer prepared from such curable linear polymers. In some embodiments, the device can include a passivation layer prepared from the linear polymers described herein. The present linear polymers can be solution-processed, then cured thermally (particularly, at relatively low temperatures) and/or photochemically into various thin film materials with desirable properties.

Abstract: Described herein is a solution-processable composition for preparing a photopatternable material. The solution-processable composition generally includes (a) an oligomeric siloxane component that includes, based on its total weight, between about 40% by weight and about 100% by weight one or more cage-structured polyhedral oligomeric silsesquioxanes that are functionalized with one or more crosslinkable moieties such as cycloaliphatic epoxy moieties, (b) a polymerization initiator; (c) one or more thermosettable polymers that collectively are present in an amount between about 1% by weight and about 20% by weight based on the total weight of the oligomeric siloxane component; and (d) a solvent.

Abstract: Disclosed are new compounds having semiconducting properties. Such compounds can be processed in solution-phase into thin film semiconductors that exhibit high carrier mobility and/or good current modulation characteristics.

Abstract: Disclosed are formulations including an organic semiconducting compound in a liquid medium, where the liquid medium includes (1) a compound in liquid state that has electronic properties complementary to the electronic structure of the organic semiconducting compound and optionally (2) a solvent or solvent mixture for solubilizing the organic semiconducting compound. The present formulations can be used as inks in the fabrication of organic semiconductor devices.

Abstract: Disclosed are new semiconductor materials prepared from dithienylvinylene copolymers with aromatic or heteroaromatic ?-conjugated systems. Such copolymers, with little or no post-deposition heat treatment, can exhibit high charge carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as improved solution-processability and low annealing temperature.

Abstract: Disclosed are new semiconductor materials prepared from rylene-(?-acceptor) copolymers. Such copolymers can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Abstract: The present invention provides a polymer comprising a unit of formula, wherein R1 and R2 are independently from each other C1-30-alkyl, C2-30-alkenyl, C2-30-alkynyl, phenyl or a 5 to 8 membered heterocyclic ring system, wherein each of the C1-30-alkyl, C2-30-alkenyl or C2-30-alkynyl group may be substituted with 1 to 10 substituents independently selected from the group consisting of halogen, —CN, —NO2, —OH, —NH2, —NH(C1-20-alkyl), —N(C1-20-alkyl)2, —NH—C(O)—(C1-20-alkyl), —S(O)2OH, —CHO, —C(O)—C1-20-alkyl, —C(O)OH, —C(O)—OC1-20-alkyl, —C(O)NH2, —CO(O)NH—C1-20-alkyl, —C(O)N(C1-20-alkyl)2, —O—C1-20-alkyl, —O—C(O)—C1-20-alkyl, —SiH3, SiH2(C1-20-alkyl), SiH(C1-20-alkyl)2, Si(C1-20-alkyl)3, C4-8-cycloalkyl, phenyl and a 5 to 8 membered heterocyclic ring system, and phenyl and the 5 to 8 membered heterocyclic ring system may be substituted with 1 to 5 C1-16-alkyl groups, is 1, 2 or 3 and n is an integer from 2 to 10'000, a process for the preparation of the polymer and an electronic device comprising the p

Abstract: The present polymeric materials can be patterned with relatively low photo-exposure energies and are thermally stable, mechanically robust, resist water penetration, and show good adhesion to metal oxides, metals, metal alloys, as well as organic materials. In addition, these polymeric materials can be solution-processed (e.g., by spin-coating), and can exhibit good chemical (e.g., solvent and etchant) resistance in the cured form.

Abstract: The present teachings relate to certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

Abstract: The present teachings provide a coating composition (a passivation formulation) for preparing a coating material in a metal oxide thin film transistor, where the coating material comprises a polymer blend including a polymer and a stabilizing agent. Incorporation of a stabilizing agent according to the present teachings in the coating material can lead to improved device performance of the metal oxide thin film transistor, in particular, reduced shift in the threshold voltage and long-term bias-stress stability.

Abstract: Provided are semiconductors prepared from an enantiomerically enriched mixture of a nitrogen-functionalized rylene bis(dicarboximide) compound. Specifically, the enantiomerically enriched mixture has unexpected electron-transport efficiency compared to the racemate or either of the enantiomers in optically pure form.

Abstract: An attachable article, such as a wristband, includes a flexible electronic display disposed thereon in a manner that is bendable or conformable to a user's wrist or other curved surface and that enables various images to be displayed on the electronic display in a manner that makes these images easily viewable to the user. The attachable article includes an adjustable band that can be fit to different sized wrists, for example, and includes a band orientation detection and calibration routine that enables messages or display screens to be placed at particular locations on the band with respect to a user's wrist. For example, the display orientation detection and calibration routine may be used to determine the portions or positions of the display that are at the top of the user's wrist and at the bottom of the user's wrist, and may thereafter calibrate the display to center display screens on the display at these particular locations.

Abstract: Disclosed are light-emitting transistors having novel structures that can lead to enhanced device brightness, specifically, via incorporation of additional electrically insulating components that can favor charge localization and in turn, carrier recombination and exciton formation.

Abstract: Disclosed are curable linear polymers that can be used as active and/or passive organic materials in various electronic, optical, and optoelectronic devices. In some embodiments, the device can include an organic semiconductor layer and a dielectric layer prepared from such curable linear polymers. In some embodiments, the device can include a passivation layer prepared from the linear polymers described herein. The present linear polymers can be solution-processed, then cured thermally (particularly, at relatively low temperatures) and/or photochemically into various thin film materials with desirable properties.

Abstract: Disclosed are new compounds having semiconducting properties. Such compounds can be processed into thin film semiconductors that exhibit high carrier mobility and/or good current modulation characteristics.