An organic light-emitting diode (OLED) structure includes an organic light-emitting diode having a first electrode, one or more layers of organic material disposed on at least a portion of the first electrode, and a second electrode disposed on at least a portion of the one or more layers of organic material. At least a portion of a tether extending from a periphery of the organic light-emitting diode. The organic light-emitting diodes can be printable organic light-emitting diode structures that are micro transfer printed over a display substrate to form a display.

The present display device includes a light-emitting element including a first electrode, a second electrode, and an active layer disposed between the first electrode and the second electrode, the active layer including quantum dot light-emitting layers, and a light source element that irradiates the quantum dot light-emitting layers with ultraviolet rays.

A display device includes a first substrate including a light emitting area and a non-light emitting area, a first pixel electrode disposed on the light emitting area of the first substrate, a pixel defining layer disposed on the non-light emitting area of the first substrate and the first pixel electrode, a light emitting structure disposed on the first pixel electrode and including quantum dots, and a common electrode covering the light emitting structure and the pixel defining layer, wherein the pixel defining layer includes an inorganic insulating material layer including a fluorine-based material.

A display device includes a first substrate including a light emitting area and a non-light emitting area, a first pixel electrode disposed on the light emitting area of the first substrate, a pixel defining layer disposed on the non-light emitting area of the first substrate and the first pixel electrode, a light emitting structure disposed on the first pixel electrode and including quantum dots, and a common electrode covering the light emitting structure and the pixel defining layer, wherein the pixel defining layer includes an inorganic insulating material layer including a fluorine-based material.

A package structure, a preparation method for the package structure, and a display panel are provided. The package structure includes a first inorganic layer, a photocatalytic layer, and a second inorganic layer that are sequentially stacked, where the photocatalytic layer includes a photocatalytic material and a co-catalyst. The photocatalytic material and the co-catalyst are used cooperatively to catalyze the decomposition of water vapor, the photocatalytic material includes graphitic carbon nitride (g-C3N4) particles, and the co-catalyst includes perylene tetracarboxylic acid (PTA). The photocatalytic layer possesses high catalytic efficiency and excellent stability. In the case where cracks are generated at the package structure, water vapor invading through the cracks is decomposed and consumed through an oxidation-reduction reaction, and then decomposition products are respectively discharged.

A package structure, a preparation method for the package structure, and a display panel are provided. The package structure includes a first inorganic layer, a photocatalytic layer, and a second inorganic layer that are sequentially stacked, where the photocatalytic layer includes a photocatalytic material and a co-catalyst. The photocatalytic material and the co-catalyst are used cooperatively to catalyze the decomposition of water vapor, the photocatalytic material includes graphitic carbon nitride (g-C3N4) particles, and the co-catalyst includes perylene tetracarboxylic acid (PTA). The photocatalytic layer possesses high catalytic efficiency and excellent stability. In the case where cracks are generated at the package structure, water vapor invading through the cracks is decomposed and consumed through an oxidation-reduction reaction, and then decomposition products are respectively discharged.

Devices including organic and inorganic LEDs are provided. Techniques for fabricating the devices include fabricating an inorganic LED on a parent substrate and transferring the LED to a host substrate via a non-destructive ELO process. Scaling techniques are also provided, in which an elastomeric substrate is deformed to achieve a desired display size.

A light-emitting element, a method of fabricating a light-emitting element, and a display device comprising a light-emitting element are provided. The light-emitting element comprises a first semiconductor layer doped with an n-type dopant, a second semiconductor layer doped with a p-type dopant, a light-emitting layer disposed between the first semiconductor layer and second semiconductor layer, an electrode layer disposed on the second semiconductor layer, an insulating structure disposed on the electrode layer and having a maximum diameter smaller than a diameter of the electrode layer and an insulating film that surrounds side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer.

A display device includes a base layer, a circuit layer disposed on the base layer, a display element layer disposed on the circuit layer, and including a light-emitting element, and an optical layer disposed on the display element layer. The light-emitting element includes a first light-emitting element overlapping a first light-emitting region, and including a first light-emitting layer, a second light-emitting element overlapping a second light-emitting region, and including a second light-emitting layer, and a third light-emitting element overlapping a third light-emitting region, and including a third light-emitting layer, the first and second light-emitting layers respectively include a first and second quantum dots, and the third light-emitting layer includes an organic light-emitting material, and the optical layer includes a first color filter overlapping the first light-emitting region, a second color filter overlapping the second light-emitting region, and a third color filter overlapping the third light-emitting region, and including scattering particles.

A display device includes a base layer, a circuit layer disposed on the base layer, a display element layer disposed on the circuit layer, and including a light-emitting element, and an optical layer disposed on the display element layer. The light-emitting element includes a first light-emitting element overlapping a first light-emitting region, and including a first light-emitting layer, a second light-emitting element overlapping a second light-emitting region, and including a second light-emitting layer, and a third light-emitting element overlapping a third light-emitting region, and including a third light-emitting layer, the first and second light-emitting layers respectively include a first and second quantum dots, and the third light-emitting layer includes an organic light-emitting material, and the optical layer includes a first color filter overlapping the first light-emitting region, a second color filter overlapping the second light-emitting region, and a third color filter overlapping the third light-emitting region, and including scattering particles.