Disclosed herein is a composition and a method for energy harvesting and the autonomous detection of structural failure. This method can be used to monitor, for example, the structural integrity of unmanned aircraft systems.

Provided herein are a fabric-based substrate and an organic electronic device including the same. The fabric-based substrate includes a fabric layer having an upper surface and a lower surface. A plurality of electrodes are disposed on the upper surface of the fabric layer. An adhesive layer is provided on the upper surface and the lower surface of the fabric layer and filled at least some empty regions between the electrodes and the fabric layer, between the electrodes, and at least some pores in the fabric layer. A self-healing polymer layer is disposed on the adhesive layer located on the lower surface of the fabric layer.

A plurality of fibers may be included in an electronic device display to allow the display to have a curved output surface. Each fiber may guide light from one or more display pixels on the display panel to a display output surface. The fibers may be bent, allowing light from the display pixels to be displayed on a three-dimensional display output surface of any desired shape. The fibers may be formed from a high refractive index core surrounded by a cladding. The fibers may be formed from an activated photoactive material. The fibers may cover the entire display panel, the periphery of the display panel, or the corners of the display panel. The display panel may have one or more bends. Polarizing fibers may be used to both guide light from the display panel and serve as a linear polarizer for the display.

A light emitting element ink and a method of manufacturing a display device are provided. The light emitting element ink includes a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers and an insulating film surrounding outer surfaces of the semiconductor layers, a thickener dispersed in the light emitting element solvent, wherein a compound of the thickener includes a functional group capable of forming a hydrogen bond together with a compound of the light emitting element solvent or another compound of the thickener and the compound of the thickener is represented by Chemical Formula 1.

In various embodiments a light emitting fiber is provided as well as articles of manufacture comprising one or more light emitting fibers. In certain embodiments the light emitting fiber comprises a conductive carbon nanotube fiber; an emissive layer surrounding the carbon nanotube fiber; and a conductive outer layer disposed outside the emissive layer. In certain embodiments the light emitting fiber comprises a hole transport layer disposed between the carbon nanotube fiber and the emissive layer. In certain embodiments the light emitting fiber comprise a hole injection layer disposed between the nanotube fiber and the hole transport layer. In certain embodiments the light emitting fiber comprises an electron transport layer and, optionally an electron injection layer.

Disclosed herein is a composition and a method for energy harvesting and the autonomous detection of structural failure. This method can be used to monitor, for example, the structural integrity of unmanned aircraft systems.

Provided herein are a fabric-based substrate and an organic electronic device including the same. The fabric-based substrate includes a fabric layer having an upper surface and a lower surface. A plurality of electrodes are disposed on the upper surface of the fabric layer. An adhesive layer is provided on the upper surface and the lower surface of the fabric layer and filled at least some empty regions between the electrodes and the fabric layer, between the electrodes, and at least some pores in the fabric layer. A self-healing polymer layer is disposed on the adhesive layer located on the lower surface of the fabric layer.

The present disclosure relates to a large scale film containing quantum dots or a dye, a method of preparing the large scale film, including: forming quantum dots or a dye dispersed in a solvent in the form of fibers or beads; applying pressure to an adhesive film to make the fibers or the beads adhere thereto; and curing the adhesive film onto which the fibers or the beads have adhered, and fibers or beads of quantum dots or a dye which are prepared by electrospinning.

Wire-shaped perovskite devices and methods for manufacturing the same are provided. The perovskite devices have a uniform layer thickness of perovskite material on wire-shaped substrates of semi-conductor or carbon material. The method includes an electro-coating process, which advantageously allows for predictability and repeatability.

An apparatus for determining a characteristic of a photoluminescent (PL) layer comprises: a light source that generates an excitation light that includes light from the visible or near-visible spectrum; an optical assembly configured to direct the excitation light onto a PL layer; a detector that is configured to receive a PL emission generated by the PL layer in response to the excitation light interacting with the PL layer and generate a signal based on the PL emission; and a computing device coupled to the detector and configured to receive the signal from the detector and determine a characteristic of the PL layer based on the signal.