H10K59/878

Organic electroluminescence device, method for producing organic electroluminescence device, illumination device, and display device

An organic EL device of one aspect of the disclosure includes: a base material; an insulating layer provided with a recessed portion on an upper face thereof; and a light-emitting element including a reflective layer provided on at least a surface of the recessed portion, a filling layer having optical transparency and filling the inside of the recessed portion with the reflective layer interposed between the filling layer and the recessed portion, a first electrode having optical transparency and provided on at least an upper layer side of the filling layer, an organic layer containing at least a light-emitting layer provided on an upper layer of the first electrode, a second electrode having optical transparency and provided on an upper layer side of the organic layer, and an edge cover layer covering at least an end portion of the first electrode, wherein the organic electroluminescence device includes a plurality of unit light emitting regions separated from one another, an excavated portion is provided in the insulating layer between adjacent unit light emitting regions, and at last the filling layer is provided inside the excavated portion.

COLOR FILM SUBSTRATE FOR WOLED DISPLAY AND WOLED DISPLAY
20190386067 · 2019-12-19 ·

The disclosure provides a color film substrate for a WOLED display, comprising: a first substrate; a plurality of color photoresist layers are provided on the first substrate, and the color photoresist layers are set at intervals between each other; a first pixel definition layer is provided within an interval; a reflective film layer is provided on the first pixel definition layer. The disclosure further provided the WOLED display. the reflective film layer is formed at the junction of the color film substrate and the driving light-emitting substrate, so as to prevent an emitting light of each OLED functional layer from leaking to each adjacent OLED functional layer, and avoid the phenomenon of the light leakage and the color mixing between adjacent OLED functional layers.

OLED DISPLAY PANEL

The embodiments of the present application provide an OLED display panel. According to the OLED display panel provided by the embodiments in the present application, by disposing a first reflective layer on the wall of the through hole on the bank layer, since the first reflective layer is capable of reflecting light emitted to the wall of the through hole by the light emitting functional layer, the reflected light comes out from the second end of the through hole, so that the brightness and the light extraction efficiency of the OLED display panel can be enhanced, and the view angle can be expanded as well.

DISPLAY DEVICE, METHOD FOR MANUFACTURING DISPLAY DEVICE, AND ELECTRONIC DEVICE

A display device capable of displaying high-quality images can be provided. A display device includes a first light-emitting element, a second light-emitting element, a first protective layer, a second protective layer, and a gap. The first light-emitting element includes a first lower electrode, a first EL layer over the first lower electrode, a first upper electrode over the first EL layer, and the second light-emitting element includes a second lower electrode, a second EL layer over the second lower electrode, and a second upper electrode over the second EL layer. The first light-emitting element and the second light-emitting element are adjacent to each other. The first protective layer is provided over the first light-emitting element and the second light-emitting element and includes a region in contact with the side surface of the first EL layer and the side surface of the second EL layer. The second protective layer is provided over the first protective layer. The gap is provided between the first EL layer and the second EL layer and is provided between the first protective layer and the second protective layer.

Organic Light Emitting Display Device and Organic Light Emitting Display Panel
20240107807 · 2024-03-28 ·

An organic light emitting display panel and an organic light emitting display device are disclosed. Specifically, there may be provided an organic light emitting display panel and an organic light emitting display device capable of preventing a reduction in the emission area due to the repair area by including a thin film transistor including a first active layer disposed in the first emission area, a second active layer overlapping the second emission area of the first substrate, electrically connected to the thin film transistor, and disposed on the same layer as the first active layer, and a light emitting element electrically connected to the thin film transistor and including an anode electrode, a light emitting layer, and a cathode electrode disposed in the first emission area, wherein the light emitting layer and the cathode electrode are disposed on the second active layer in the second emission area.

DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME
20240099109 · 2024-03-21 ·

Provided is a display device including a first substrate including a first sub-substrate and a second sub-substrate spaced apart from each other, a second substrate above the first substrate, a display layer above the second substrate, and configured to display an image, and a reflective layer at a first surface of the second substrate facing the first substrate, and including at least a portion that does not overlap the first substrate.

Display device and method for manufacturing the same
11937458 · 2024-03-19 · ·

A display device includes a driving transistor and an organic EL element. The driving transistor includes an oxide semiconductor layer; a first gate electrode that includes a region overlapping the oxide semiconductor layer; a first insulating layer between the first gate electrode and the oxide semiconductor layer; a second gate electrode that includes a region overlapping the oxide semiconductor layer and the first gate electrode; a second insulating layer between the second gate electrode and the oxide semiconductor layer; and a first and a second transparent conductive layer that are provided between the oxide semiconductor layer and the first insulating layer and each include a region contacting the oxide semiconductor layer. The organic EL element includes a first electrode; a second electrode; a light emitting layer between the first electrode and the second electrode; and an electron transfer layer between the light emitting layer and the first electrode.

Light emitting device including planarization layer, method of manufacturing the light emitting device, and display apparatus including the light emitting device

Provided a light emitting device including a reflective layer including a plurality of nanostructures that are periodically two-dimensionally arranged, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode, and a second electrode disposed on the organic emission layer, wherein the planarization layer includes a conductive material that is transparent with respect to light emitted by the organic emission layer, and wherein the planarization layer is disposed on upper surfaces of the plurality of nanostructures such that an air gap is provided between adjacent nanostructures of the plurality of nanostructures.

Water absorption layer mounted on light emitting layer for array substrate

The present application provides a display panel and a manufacturing method thereof. The display panel includes an array substrate, a light emitting layer, and a water and oxygen adsorption layer. The light emitting layer is disposed on the array substrate. The light emitting layer includes a pixel definition structure and a plurality of light emitting parts, the pixel definition structure includes a plurality of grooves, and the light emitting parts are disposed in the grooves. The water and oxygen adsorption layer includes a plurality of water and oxygen adsorption parts, the water and oxygen adsorption parts are disposed on the pixel definition structure, and a surface of the water and oxygen adsorption parts is convex.

Display device

A display device may include a display panel including a pixel region and an input sensor, wherein the input sensor includes a first conductive layer disposed on the display panel. A first insulation layer is disposed on the first conductive layer and has a first opening in a first region overlapping the pixel region, a second conductive layer is disposed on the first insulation layer. A second insulation layer is disposed on the second conductive layer and has a second opening defined in a second region overlapping the pixel region. A third insulation layer is disposed on the second insulation layer and is filled in the first opening and the second opening.