Abstract: Embodiments of the present disclosure provide methods for forming sub circuits (e.g., sub-pixel circuits). One example sub circuit generally includes a backplane layer disposed over a substrate, a pixel defining layer (PDL) disposed over the backplane layer, the PDL exposing anodes disposed over the backplane layer and the substrate, and a plurality of walls disposed over the PDL, wherein the plurality of walls define a plurality of gaps, wherein the plurality of walls and the plurality of gaps define one or more unit pixels, and wherein the one or more unit pixels each comprise a sub-pixel. Each sub-pixel may include an anode defined by the PDL, an organic light-emitting diode (OLED) material disposed over the anode, and a cathode disposed over the OLED material and the plurality of walls.

Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The overhang structures are permanent to the sub-pixel circuit. The overhang structures include a conductive oxide. A first configuration of the overhang structures includes a base portion and a top portion with the top portion disposed on the base portion. In a first sub-configuration, the base portion includes the conductive oxide of at least one of a TCO material or a TMO material. In a second sub-configuration, the base portion includes a metal alloy material and the conductive oxide of a metal oxide surface. A second configuration of the overhang structures includes the base portion and the top portion with a body portion disposed between the base portion and the top portion. The body portion includes the metal alloy body and the metal oxide surface.

Abstract: Embodiments described herein relate to sub-pixel circuits and for a display such as an organic light-emitting diode (OLED) display. In one embodiment, a device is provided. The device includes a substrate, two external pixel-defining layer (PDL) structures disposed over the substrate, an overhang opening defined by a top extensions of top structures disposed on and extending laterally past body structures, each body structure disposed over an upper surface of each external PDL structure, the overhang openings defining at least two sub-pixels including a first sub-pixel and a second sub-pixel, and at least one internal PDL structure disposed over the substrate, wherein the first sub-pixel and the second sub-pixel are connected over a top surface of the internal PDL structure with a first organic light-emitting diode (OLED) material of the first sub-pixel connecting a second OLED material of the second sub-pixel on the top surface of the internal PDL structure.

Abstract: Embodiments described herein relate to a device including a substrate, a plurality of adjacent pixel-defining layer (PDL) structures disposed over the substrate, and a plurality of sub-pixels. Each sub-pixel includes adjacent first overhangs, adjacent second overhangs, an anode, a hole injection layer (HIL) material, an additional organic light emitting diode (OLED) material, and a cathode. Each first overhang is defined by a body structure disposed on and extending laterally past a base structure disposed on the PDL structure. Each second overhang is defined by a top structure disposed on and extending laterally past the body structure. The HIL material is disposed over and in contact with the anode and disposed under the adjacent first overhangs. The additional OLED material is disposed on the HIL material and extends under the first overhang.

Abstract: Embodiments described herein relate to a device comprising a substrate, a pixel-defining layer (PDL) structures disposed over the substrate and defining sub-pixels of the device, and a plurality overhang structures. Each overhang structure is defined by a top structure extending laterally past a body structure. Each body structure is disposed over an upper surface of each PDL structure. Overhang structures define a plurality of sub-pixels including a first sub-pixel and a second sub-pixel. Each sub-pixel includes an anode, an organic light-emitting diode (OLED) material, a cathode, and an encapsulation layer. The OLED materials are disposed over the first anode and extends under the overhang structures. The cathodes are disposed over the OLED materials and under the overhang structures. The encapsulation layers are disposed over the first cathode. The first encapsulation layer has a first thickness and the second encapsulation layer has a second thickness different from the first thickness.

Abstract: Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of sub-pixels, each sub-pixel of the plurality of sub-pixels defined by adjacent pixel-defining layer (PDL) structures with inorganic overhang structures disposed on the PDL structures, each sub-pixel having an anode, organic light-emitting diode (OLED) material disposed on the anode, and a cathode disposed on the OLED material. The device is made by a process including the steps of: depositing the OLED material and the cathode by evaporation deposition, and depositing an encapsulation layer disposed over the cathode.

Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.

Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The overhang structures are permanent to the sub-pixel circuit. The overhang structures include a conductive oxide. A first configuration of the overhang structures includes a base portion and a top portion with the top portion disposed on the base portion. In a first sub-configuration, the base portion includes the conductive oxide of at least one of a TCO material or a TMO material. In a second sub-configuration, the base portion includes a metal alloy material and the conductive oxide of a metal oxide surface. A second configuration of the overhang structures includes the base portion and the top portion with a body portion disposed between the base portion and the top portion. The body portion includes the metal alloy body and the metal oxide surface.

Abstract: Exemplary methods of OLED device processing are described. The methods may include forming an anode on a substrate. Forming the anode may include forming a first metal oxide material on the substrate, forming a metal layer over the first metal oxide material, forming a protective barrier over the metal layer, and forming a second metal oxide material over the amorphous protection material. The protective barrier may be an amorphous protection material overlying the metal layer.

Abstract: Embodiments described herein generally relate to a device. The device includes a substrate, and a plurality of sub-pixels. Each sub-pixel includes adjacent overhangs disposed over the substrate. Each overhang includes two or more overhang structures, an organic light emitting diode (OLED) material, and a cathode. The overhang structures include a first overhang defined by a first overhang structure outer extension of a second structure extending laterally past a first structure. The first structure is disposed over the substrate. The second structure is disposed over the first structure. The second structure of a first overhang structure is separated from the second structure of a second overhang structure by a structure gap. The OLED material is disposed over an anode. The cathode is disposed over the OLED material.

Abstract: Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of sub-pixels, each sub-pixel of the plurality of sub-pixels defined by adjacent pixel-defining layer (PDL) structures with inorganic overhang structures disposed on the PDL structures, each sub-pixel having an anode, organic light-emitting diode (OLED) material disposed on the anode, and a cathode disposed on the OLED material. The device is made by a process including the steps of: depositing the OLED material and the cathode by evaporation deposition, and depositing an encapsulation layer disposed over the cathode.

Abstract: Devices with sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. In one example, a device includes a substrate, a plurality of pixel-defining layer (PDL) structures disposed over the substrate, each PDL structure having an upper PDL surface, and a plurality of heat absorbent structures disposed on the upper PDL surface of the plurality PDL structures. Each adjacent heat absorbent structure includes a top surface and two sidewalls. Adjacent heat absorbent structures define sub-pixels of the device, each sub-pixel includes an anode, an OLED material disposed over the anode, a cathode disposed over the OLED material, and an encapsulation layer disposed over the cathode and over a first portion of the top surface of the first heat absorbent structure and a second portion of the top surface of the second heat absorbent structure.

Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.

Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.

Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.

Abstract: Embodiments described herein generally relate to sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes substrate, pixel-defining layer (PDL) structures disposed over the section of the substrate, inorganic or metal overhang structures disposed on an upper surface of the PDL structures, and a plurality of sub-pixels. The PDL structures include a trench disposed in the top surface of the PDL structure. Each sub-pixel includes an anode, an OLED material disposed over and in contact with the anode, and a cathode disposed over the OLED material. The inorganic or metal overhang structures have an overhang extension that extends laterally over the trench. An encapsulation layer is disposed over the cathode and extends under at least a portion of the inorganic or metal overhang structures and along a top surface of the PDL structures.

Abstract: Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of sub-pixels, each sub-pixel of the plurality of sub-pixels defined by adjacent pixel-defining layer (PDL) structures with inorganic overhang structures disposed on the PDL structures, each sub-pixel having an anode, organic light-emitting diode (OLED) material disposed on the anode, and a cathode disposed on the OLED material. The device is made by a process including the steps of: depositing the OLED material and the cathode by evaporation deposition, and depositing an encapsulation layer disposed over the cathode.

Abstract: Examples disclosed herein relate to device. The device includes a substrate, a plurality of adjacent pixel-defining layer (PDL structures disposed over the substrate, and a plurality of sub-pixels. The PDL structure have a top surface coupled to adjacent sidewalls of the PDL structure. The plurality of sub-pixels are defined by the PDL structures. Each sub-pixel includes an anode, an organic light emitting diode (OLED), a cathode, and an encapsulation layer. The organic light emitting diode (OLED) material disposed over the anode. The OLED material extends over the top surface of the PDL structure past the adjacent sidewalls. The cathode is disposed over the OLED material. The cathode extends over the top surface of the PDL structure past the adjacent sidewalls. The encapsulation layer is disposed over the cathode. The encapsulation layer has a first sidewall and a second sidewall.

Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.

Abstract: Embodiments described herein relate to a sub-pixel. The sub-pixel includes an anode, overhang structures, separation structures, an organic light emitting diode (OLED) material, and a cathode. The anode is defined by adjacent first pixel isolation structures (PIS) and adjacent second PIS. The overhang structures are disposed on the first PIS. The overhang structures include a second structure disposed over the first structure and an intermediate structure disposed between the second structure and the first structure. A bottom surface of the second structure extends laterally past an upper surface of the first structure. The first structure is disposed over the first PIS. Separation structures are disposed over the second PIS. The OLED material is disposed over the anode and an upper surface of the separation structures. The cathode disposed over the OLED material and an upper surface of the separation structures.