Light-emitting device, method of producing light-emitting device, exposure unit, and electronic device
A light-emitting device includes a substrate, pixel electrodes provided on the substrate, a negative electrode facing the pixel electrodes, and a hole injection layer and a luminescent layer that are provided between the pixel electrodes and the negative electrode so as to be laminated, from the substrate side, in that order, wherein an insulating layer having liquid repellency for a hole injection layer-forming material is provided between the adjacent pixel electrodes so as to separate the pixel electrodes from each other and to overlap with the peripheries of the pixel electrodes in plain view, the hole injection layer is provided on the pixel electrodes separated by the insulating layer, and the level of the top surface of the hole injection layer is substantially the same as the level of the top surface of the insulating layer provided on the peripheries of the pixel electrodes.
1. A light-emitting device comprising:
a substrate;
pixel electrodes provided on the substrate;
a negative electrode facing the pixel electrodes; and
a hole injection layer and a luminescent layer that are provided between the pixel electrodes and the negative electrode so as to be laminated, from the substrate side, in that order,
wherein a first barrier is provided between the adjacent pixel electrodes so as to separate the pixel electrodes from each other and to overlap with the peripheries of the pixel electrodes in plan view,
a second barrier is provided on the first barrier so as to separate the pixel electrodes from each other, and
side faces of the second barrier each include a first area, a second area, and a third area disposed between the first and second areas, the first and second areas having liquid repellency and the third area having a lyophilic property.
2. The light-emitting device according to claim 1 , wherein the second barrier includes a first organic layer, a barrier insulating layer, and a second organic layer that are laminated, from the substrate side, in that order, and the liquid repellency of the surface of the barrier insulating layer is relatively lower than the liquid repellency of the surfaces of the first organic layer and the second organic layer.
3. The light-emitting device according to claim 1 , wherein the first barrier has liquid repellency for a hole injection layer-forming material, and the level of the top surface of the hole injection layer is substantially the same as the level of the top surface of the first barrier provided on the peripheries of the pixel electrodes.