A method includes forming a barrier layer on a substrate, removing a portion of the barrier layer to yield a patterned barrier layer and an exposed portion of the substrate within a hole in the patterned barrier layer, forming a first portion of a perovskite on the patterned barrier layer and a second portion of the perovskite on the exposed portion of the substrate, and removing the patterned barrier layer, thereby removing the first portion of the perovskite.

Provided are a method for manufacturing a transparent panel formed with a wall member having high accuracy, a uniform height from a surface to adhere to an optical member, and smoothness. This method comprises: a step of preparing a transparent panel 4 for an optical device 1 to be bonded to an optical member 2; a step of forming a mask layer 15 so as to form an opening 6 along a periphery of an outer shape of the transparent panel 4; a step of applying a curable resin material 7 to the opening 6 and the mask layer 15; a step of pressing a flat plate 10 against the curable resin material 7; a step of curing the resin composition 7 to form a cured resin layer 11; a step of detaching the flat plate 10; and a step of removing the mask layer 15 together with the cured resin layer 11 formed on the mask layer 15 to obtain a wall member 12 along the periphery of the outer shape of the transparent panel 4.

A display device including a plurality of pixels disposed on a substrate, each pixel including a plurality of sub-pixels; a first electrode disposed in each sub-pixel and connected to transistors for driving the plurality of sub-pixels to emit light; and a bank including a plurality of bank holes, each bank hole exposing a portion of the first electrode and defining emission light-areas of the sub-pixels. Further, each sub-pixel includes a sub-pixel pattern disposed on a bottom surface of the bank hole and contacting exposed surfaces of the first electrode, and extending continuously on sidewalls of the bank hole and along top outside edge surfaces of the bank. Also, a thickness of the sub-pixel pattern decreases step-by-step as the sub-pixel pattern extends along the top outside edge surfaces of the bank in a direction toward an adjacent sub-pixel.

An organic light-emitting display device includes: first and second pixel electrodes (PEs); a pixel-defining layer (PDL) disposed on the first and second PEs, the pixel-defining layer including first and second openings respectively exposing the first and second PEs; first and second intermediate layers (ILs) respectively disposed on the first and second PEs exposed via the first and second openings, each of the first and second ILs including an emission layer; first and second opposite electrodes (OEs) respectively disposed on the first and second ILs, the first and second OEs having an island-shaped pattern; first and second protective layers (PLs) respectively disposed on the first and second OEs, the first and second PLs having an island-shaped pattern; and a connection layer disposed on the first and second PLs, the connection layer electrically connecting the first and second OEs to one another.

An organic light-emitting display apparatus including a substrate; a pixel electrode on the substrate; a pixel-defining layer including an opening exposing at least a portion of the pixel electrode; an intermediate layer including a center area on the pixel electrode and a side area extending from the center area and arranged on the pixel-defining layer, the intermediate layer including one or more common layers and an emission layer; a protective layer covering top surfaces of the center area and the side area of the intermediate layer and exposing at least a portion of the pixel-defining layer; and an opposite electrode spaced apart from the intermediate layer by the protective layer and arranged on the protective layer and portions of the pixel-defining layer, the portions being exposed by the protective layer.

The disclosure provides a method of manufacturing an organic electronic device, including providing a layered device structure, the layered device structure including a plurality of electrodes and an electronically active region, said providing of the layered device structure including steps of providing an organic semiconducting layer, applying a structuring layer to the organic semiconducting layer, the structuring layer having a first region and a second region, the first region being covered by a layer material, applying a contact improving layer to the structuring layer by depositing at least one of an organic dopant material and an organic dopant-matrix material at least in the first region, depositing a layer material on the contact improving layer at least in the first region, and removing the structuring layer at least in the second region. Furthermore, an organic electronic device is provided.

A method for manufacturing a display device allows an opening pattern that opens at least some areas on a pixel defining layer between sub-pixels to be exposed to a strip solution in a process of stripping off a photoresist film and a protective film disposed on a light emitting layer, thereby increasing a dissolution speed of the protective film and reducing a difference in the dissolution speed of areas to improve uniformity of the process. In addition, in the display device of the present disclosure, a dummy light emitting layer formed on the pixel defining layer between the sub-pixels may interrupt a current flow between the sub-pixels adjacent to each other, thereby reducing a lateral leakage current that may occur between pixels adjacent to each other.

A light-emitting unit (140) is formed over a first surface (102) of a substrate (100). A first terminal (112) and a second terminal (132) are formed on the first surface (102) of the substrate (100), and are electrically connected to the light-emitting unit (140). A sealing layer (200) is formed over the first surface (102) of the substrate (100), and seals the light-emitting unit (140). In addition, the sealing layer (200) does not cover the first terminal (112) and the second terminal (132). A cover layer (210) is formed over the sealing layer (200), and is formed of a material different from that of the cover layer (210). In at least a portion of a region located next to the first terminal (112) and a region located next to the second terminal (132), a portion of an end of the cover layer (210) protrudes from the sealing layer (200).

An organic light-emitting display apparatus including: a substrate; a pixel electrode located on the substrate; a pixel-defining film covering an end portion of the pixel electrode; an intermediate layer located on the pixel electrode and including an emission layer; a counter electrode located on the intermediate layer; a passivation layer located on the counter electrode and including a cover portion covering a top surface of the counter electrode and a protrusion extending from an end portion of the cover portion away from the substrate; and an encapsulation member covering the passivation layer.

A display panel includes: a substrate including an opening area, a display area, and a non-display area, the display area surrounding the opening area, and the non-display area being between the opening area and the display area; a plurality of display elements at the display area of the substrate, each of the display elements including a pixel electrode, an emission layer on the pixel electrode, and an opposite electrode on the emission layer; a thin-film encapsulation layer covering the plurality of display elements; a dam at the non-display area, and protruding from a top surface of a first insulating layer; and a recess between the opening area and the dam, and recessed in a depth direction of the first insulating layer. A lateral wall of the dam meets a first lateral wall from among lateral walls of the recess, the first lateral wall being adjacent to the display area.