Abstract: Disclosed are liquid crystal devices including at least one cholesteric liquid crystal layer and having multiple stable states. Also disclosed are liquid crystal windows having at least three stable states in the absence of voltage.

Abstract: A thin-film transistor (TFT), includes: a substrate (202); an organic semiconductor (OSC) layer (210) positioned on the substrate; a dielectric layer (214) positioned on the OSC layer; and a polymeric interlayer (212) disposed in-between the OSC layer and the dielectric layer, such that the dielectric layer is configured to exhibit a double layer capacitance effect. A method of forming a thin-film transistor, includes: providing a substrate; providing a bottom gate layer atop the substrate; disposing consecutively from the substrate, an organic semiconductor (OSC) layer, a dielectric layer, and a top gate layer; and patterning the OSC layer, the dielectric layer, and the top gate layer using a single mask.

Abstract: A method, includes: reacting at least one donor group with at least one protected acceptor group to form a plurality of protecting group-containing OSC polymers; removing the protecting group from the plurality of protecting group-containing OSC polymers to form H-bonding sites; and fusing the H-bonding sites of a first OSC polymer backbone with H-bonding sites of a second OSC polymer backbone to form ?-? interactions between conjugated OSC polymers.

Abstract: A glass article comprises a glass substrate having a first major surface and a second major surface, the second major surface being opposite the first major surface and a decorative ink layer disposed on the second major surface of the decorative ink layer and a conductive ink layer disposed on the second major surface. The conductive ink layer comprises conductive material dispersed in a dispersion medium and a sheet resistance that is less than a sheet resistance of the decorative ink layer. The conductive ink layer comprises a plurality of sensing structures arranged in a touch sensing circuit configured to vary in electrical properties in response to electromagnetic interactions with an external object.

Abstract: Methods of cleaning glass comprise mixing the glass with a peroxide-containing aqueous solution and heating the glass at a temperature of about 100°° C. or more. In aspects, 50 wt % of the peroxide-containing aqueous solution based on an amount of the glass is mixed with the glass. The peroxide-containing aqueous solution can be removed from the glass before the heating. Alternatively, in aspects, from 10 wt % to 50 wt % of the peroxide-containing aqueous solution based on an amount of the glass can be mixed with the glass.

Abstract: Coated articles can comprise a coating disposed over a first major surface of a substrate. The coating comprises a plurality of functionalized oligomeric silsesquioxanes and a pencil hardness of about 5H or more. In aspects, the coating comprises a linker terminated with a first functional group and a second functional group. In aspects, the coating comprises a silane coupling agent attaching the coating to the first major surface. Methods of making a coated article comprise depositing a layer comprise a plurality of functionalized oligomeric silsesquioxanes over a first major surface of a substrate and curing the layer to form the coating. Methods of forming a composition comprise reacting a plurality of functionalized oligomeric silsesquioxanes with a linker terminated with a first functional group at a first end of the linker and a second functional group at a second end of the linker opposite the first end of the linker.

Abstract: A device for analyzing gas emitted from skin includes: an enclosure for collecting the gas emitted from skin, the enclosure having: an inlet through which a carrier gas is flown; and an outlet through which the carrier gas and the gas emitted from skin is flown into a vertical gas sensor, such that the vertical gas sensor has: a substrate; a collector layer; an emitter layer positively biased relative to the collector; a metal grid with a metal layer having openings, the metal grid located in between, but not in direct contact with, the collector and emitter; and an organic semiconductor (OSC) layer located in between the collector and emitter.

Abstract: A cross-bred organic semiconductor (OSC) polymer, includes a diketopyrrolopyrrole (DPP)-fused thiophene polymeric material, such that: the DPP-fused thiophene polymeric material comprises a first linear alkyl-substituted DPP portion and a second branched alkyl-substituted DPP portion, the cross-bred OSC polymer comprises a repeat unit having both the first linear alkyl-substituted DPP portion and the second branched alkyl-substituted DPP portion, and the fused thiophene is beta-substituted.

Abstract: Glass-based substrates are described herein that may be processed by methods including applying a cover article onto a glass-based substrate, submerging the glass-based substrate in an etchant, and maintaining the submersion of the glass-based substrate in the etchant. The glass-based substrate may include a covered surface portion and an exposed surface portion. At least a portion of the covered surface portion may be in direct contact with the cover article. The covered surface portion may not be in contact with the etchant and the exposed surface portion may be in direct contact with the etchant. The etchant may contact the exposed surface portion and the cover article fora time sufficient to etch the exposed surface portion. The cover article may provide a barrier between the etchant and the covered surface portion for the entirety of the submerging.

Abstract: Devices include a substrate, a collector layer, and an emitter layer positively biased relative to the collector. Devices further include a semiconductor layer located between the collector and the emitter. The semiconductor layer includes an organic semiconductor polymer with a donor-acceptor structure.

Abstract: A cross-bred organic semiconductor (OSC) polymer, includes a diketopyrrolopyrrole (DPP)-fused thiophene polymeric material, such that: the DPP-fused thiophene polymeric material comprises a first linear alkyl-substituted DPP portion and a second branched alkyl-substituted DPP portion, the cross-bred OSC polymer comprises a repeat unit having both the first linear alkyl-substituted DPP portion and the second branched alkyl-substituted DPP portion, and the fused thiophene is beta-substituted.

Abstract: A polymer blend includes an organic semiconductor polymer blended with an isolating polymer; at least one photoinitiator for generating active radicals; and at least one crosslinker comprising C?C bonds, thiols, or combinations thereof, such that the organic semiconductor polymer is a diketopyrrolopyrrole-fused thiophene polymeric material, the fused thiophene is beta-substituted, and the isolating polymer has a non-conjugated backbone. A method of forming an organic semiconductor device having the polymer blend is also presented.

Abstract: A polymer blend, including at least one organic semiconductor (OSC) polymer and at least one photosensitizer, such that the at least one OSC polymer is a diketopyrrolopyrrole-fused thiophene polymeric material, wherein the fused thiophene is beta-substituted.

Abstract: Devices include a substrate, a collector layer, and an emitter layer positively biased relative to the collector. Devices further include a semiconductor layer located between the collector and the emitter. The semiconductor layer includes an organic semiconductor polymer with a donor-acceptor structure.

Abstract: Devices include a substrate, a collector layer, and an emitter layer positively biased relative to the collector. Devices further include a semiconductor layer located between the collector and the emitter. The semiconductor layer includes an organic semiconductor polymer with a donor-acceptor structure.

Abstract: Disclosed are liquid crystal devices including at least two liquid crystal layers, at least one interstitial substrate separating the liquid crystal layers, and at least two alignment layers disposed on opposing surfaces of the interstitial substrate. Also disclosed are liquid crystal windows incorporating said liquid crystal devices.

Abstract: Disclosed are methods for manufacturing liquid crystal devices including at least two liquid crystal layers and at least one interstitial substrate separating the liquid crystal layers. Methods for processing, assembling, and singulating liquid crystal devices are also disclosed.

Abstract: Disclosed are liquid crystal devices including at least two liquid crystal layers, at least one interstitial substrate separating the liquid crystal layers, and at least two alignment layers disposed on opposing surfaces of the interstitial substrate. Also disclosed are liquid crystal windows incorporating said liquid crystal devices.

Abstract: A method includes: providing a mixture including at least one alkyl tosylate and a Grignard reagent; and reacting the at least one alkyl tosylate with the Grignard reagent in a C—C coupling reaction mechanism to form a branched aliphatic alcohol.

Abstract: Glass-based substrates are described herein that may be processed by methods including applying a cover article onto a glass-based substrate, submerging the glass-based substrate in an etchant, and maintaining the submersion of the glass-based substrate in the etchant. The glass-based substrate may include a covered surface portion and an exposed surface portion. At least a portion of the covered surface portion may be in direct contact with the cover article. The covered surface portion may not be in contact with the etchant and the exposed surface portion may be in direct contact with the etchant. The etchant may contact the exposed surface portion and the cover article fora time sufficient to etch the exposed surface portion. The cover article may provide a barrier between the etchant and the covered surface portion for the entirety of the submerging.