Organic light-emitting diode display with reduced lateral leakage

A display comprising:

• a substrate;
• an array of pixels that includes first and second organic light-emitting diode pixels, wherein the first organic light-emitting diode pixel includes a first patterned electrode on the substrate and wherein the second organic light-emitting diode pixel includes a second patterned electrode on the substrate;
• a pixel definition layer on the substrate that is interposed between the first and second patterned electrodes;
• and
• a laterally conductive layer formed over the pixel definition layer that has a first portion that forms part of the first organic light-emitting diode pixel and a second portion that forms part of the second organic light-emitting diode pixel, wherein the first portion is electrically isolated from the second portion by at least one discontinuity in the laterally conductive layer created by the pixel definition layer, wherein the pixel definition layer comprises a first layer of material, a second layer of material, and a third layer of material, wherein the first layer of material is interposed between the first patterned electrode and the second layer of material, wherein the second layer of material is interposed between the first layer of material and the third layer of material, wherein the first layer of material has a first sidewall at a first angle relative to an upper surface of the first patterned electrode, wherein the second layer of material has a second sidewall at a second angle relative to the upper surface of the first patterned electrode, wherein the third layer of material has a third sidewall at a third angle relative to the upper surface of the first patterned electrode, wherein the first angle is less than 90 degrees, wherein the second angle is greater than 90 degrees, and wherein the third angle is less than 90 degrees.

A display comprising:

• a substrate;
• an array of pixels that includes first and second pixels, wherein the first pixel includes a first organic light-emitting diode and a first patterned electrode on the substrate and wherein the second pixel includes a second organic light-emitting diode and a second patterned electrode on the substrate;
• a common laterally conductive layer that forms part of both the first and second organic light-emitting diodes;
• and
• a structure interposed between the first and second patterned electrodes, wherein the structure reduces an amount of leakage current that passes through the common laterally conductive layer between the first and second patterned electrodes, wherein the structure comprises a conductive contact that is coupled to a bias voltage, wherein the conductive contact is part of a grid with a plurality of openings, and wherein each pixel in the array of pixels is formed in a respective opening of the plurality of openings.

A display comprising:

• a substrate;
• an array of pixels that includes first and second organic light-emitting diode pixels, wherein the first organic light-emitting diode pixel includes a first patterned electrode on the substrate and wherein the second organic light-emitting diode pixel includes a second patterned electrode on the substrate;
• a laterally conductive layer formed over the first and second patterned electrodes that has a first portion that forms part of the first organic light-emitting diode pixel and a second portion that forms part of the second organic light-emitting diode pixel;
• and
• a control gate that is interposed between the first and second patterned electrodes and that is coupled to a bias voltage, wherein the control gate is formed from the same material as the first and second patterned electrodes and wherein the control gate, the first patterned electrode, and the second patterned electrode are coplanar.

A display comprising:

• a substrate;
• an array of pixels that includes first and second organic light-emitting diode pixels, wherein the first organic light-emitting diode pixel includes a first patterned electrode on the substrate and wherein the second organic light-emitting diode pixel includes a second patterned electrode on the substrate;
• a laterally conductive layer formed over the first and second patterned electrodes that has a first portion that forms part of the first organic light-emitting diode pixel and a second portion that forms part of the second organic light-emitting diode pixel;
• a control gate that is interposed between the first and second patterned electrodes and that is coupled to a bias voltage;
• a first contact coupled to the first patterned electrode;
• and
• a second contact coupled to the second patterned electrode, wherein the control gate is formed from the same material as the first and second contacts and wherein the control gate, the first contact, and the second contact are coplanar.

A display comprising:

• a substrate;
• an array of pixels that includes first and second organic light-emitting diode pixels, wherein the first organic light-emitting diode pixel includes a first patterned electrode on the substrate and wherein the second organic light-emitting diode pixel includes a second patterned electrode on the substrate;
• a laterally conductive layer formed over the first and second patterned electrodes that has a first portion that forms part of the first organic light-emitting diode pixel and a second portion that forms part of the second organic light-emitting diode pixel;
• a control gate that is interposed between the first and second patterned electrodes and that is coupled to a bias voltage;
• and
• a pixel definition layer interposed between the first and second patterned electrodes, wherein the control gate is embedded within the pixel definition layer.