A method for forming an organic light emitting diode is provided. A substrate and an evaporating source are provided. A first electrode is formed on a surface of the substrate. The evaporating source is spaced from the first electrode. The carbon nanotube film structure is heated to gasify an organic light emitting material and form an organic light emitting layer on a surface of the first electrode. A second electrode is formed on a surface of the organic light emitting layer.

A lighting assembly that does not require an external power source is disclosed. The lighting assembly includes a substrate, an organic light-emitting device (OLED) having a bottom electrode disposed on the substrate, an organic light-emitting layer disposed on the bottom electrode and a top electrode on the organic light-emitting layer. The lighting assembly further includes an insulating layer disposed on the top electrode of the OLED and an organic photovoltaic (OPV) device disposed on the insulating layer. The OPV device includes a series of cells, each cell has a bottom electrode, an organic photovoltaic layer disposed on the bottom electrode, and a top electrode disposed on the organic photovoltaic layer, wherein each cell is connected to at least one adjacent cell. The OPV is electrically connected to the OLED and the OPV device is configured to produce electricity to directly power the OLED.

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.

A mask cleaning apparatus and method of using the same includes a preheating zone preheating a mask, a first ultraviolet cleaning zone irradiating the mask with a first ultraviolet laser beam at a first irradiation angle, a first cooling zone cooling the mask irradiated with the first ultraviolet laser beam, a second ultraviolet cleaning zone irradiating the mask with a second ultraviolet laser beam at a second irradiation angle, a second cooling zone cooling the mask irradiated with the second ultraviolet laser beam, an infrared cleaning zone irradiating the mask with an infrared laser beam at a third irradiation angle, and a peeling zone spraying air onto the mask irradiated with the infrared laser beam.

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.

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.

An annular display device includes a display module, a touch module and a flexible circuit board. The display module includes a first flexible substrate, a thin film transistor element layer and an organic light emitting layer. The touch module includes a second flexible substrate and a touch sensing layer. In the method for fabricating the annular display device, the display module and the touch module are first provided, and then the touch module is disposed on the display module. Then, the flexible circuit board is electrically connected to one of the display module and the touch module. Thereafter, the display module and the touch module are bent to enable each of the first flexible substrate and the second flexible substrate to have a ring shape. Then, the flexible circuit board is electrically connected to one of the display module and the touch module.

In various embodiments, optoelectronic devices are described herein. The optoelectronic device may include an optoelectronic cell arranged so as to wrap around a central axis wherein the cell includes a first conductive layer, a semi-conductive layer disposed over and in electrical communication with the first conductive layer, and a second conductive layer disposed over and in electrical communication with the semi-conductive layer. In various embodiments, methods for making optoelectronic devices are described herein. The methods may include forming an optoelectronic cell while flat and wrapping the optoelectronic cell around a central axis. The optoelectronic devices may be photovoltaic devices. Alternatively, the optoelectronic devices may be organic light emitting diodes.

An annular display device includes a display module, a touch module and a flexible circuit board. The display module includes a first flexible substrate, a thin film transistor element layer and an organic light emitting layer. The touch module includes a second flexible substrate and a touch sensing layer. In the method for fabricating the annular display device, the display module and the touch module are first provided, and then the touch module is disposed on the display module. Then, the flexible circuit board is electrically connected to one of the display module and the touch module. Thereafter, the display module and the touch module are bent to enable each of the first flexible substrate and the second flexible substrate to have a ring shape. Then, the flexible circuit board is electrically connected to one of the display module and the touch module.

The present invention relates inter alia to functional materials for the treatment and/or prophylaxis and/or diagnosis of diseases and/or cosmetic conditions. The functional materials can be used for the preparation of light emitting devices comprising fibers as light emitting elements.