HIGH RESOLUTION ORGANIC LIGHT-EMITTING DIODE DEVICES, DISPLAYS, AND RELATED METHOD

1 . A method of making an organic light-emissive display, the method comprising:

depositing organic light-emissive material on a material film layer disposed over a plurality of electrodes on a substrate, wherein the plurality of electrodes are disposed consecutively and in alignment on a substrate; wherein the material film layer defines:

a confinement region having a first surface energy property, the confinement region overlying an area in which the plurality of electrodes are disposed, and

a boundary region surrounding the confinement region, the boundary region having a second surface energy property differing from the first surface energy property;

causing confinement of the organic light-emissive material deposited on the material film layer to an area on the material film layer that is within the confinement region as a result of the differing first and second surface energy properties; and

forming a continuous layer of the organic light-emissive material deposited on the material film layer in the confinement region.

2 . The method of claim 1 , wherein each of the plurality of electrodes is separately addressable.

3 . The method of claim 2 , wherein each of the plurality of electrodes is separately addressable to define differing pixels of the display

4 . The method of claim 1 , wherein the confinement of the organic light-emissive material to the confinement region is not a result of interfering with a spread of the organic light-emissive material by a confinement wall in the boundary region.

5 . The method of claim 1 , wherein the material film layer is an active organic light-emitting diode material layer.

6 . The method of claim 1 , wherein the second surface energy property inhibits migration of the organic light-emissive material deposited on the material film layer.

7 . The method of claim 1 , wherein forming the continuous layer of the organic light-emissive material within the confinement region comprises treating the organic light-emissive material deposited on the material film layer via one or more of drying and curing.

8 . The method of claim 1 , wherein forming the continuous layer of organic light-emissive material within the confinement region comprises forming a continuous solid layer.

9 . The method of claim 1 , further comprising depositing an additional electrode over the continuous layer of the organic light-emissive material.

10 . The method of claim 9 , wherein the additional electrode is operably coupled to each of the plurality of electrodes.

11 . The method of claim 10 , wherein the plurality of electrodes are reflective electrodes and the additional electrode is a transparent electrode.

12 . The method of claim 10 , wherein the plurality of electrodes are transparent electrodes and the additional electrode is a reflective electrode.

13 . The method of claim 1 , further comprising depositing an electrically insulative material layer between consecutively disposed electrodes of the plurality of electrodes.

14 . The method of claim 1 , wherein the continuous layer of the organic light-emissive material has a light-emissive property corresponding to one of red, green, or blue color emission.

15 . The method of claim 1 , further comprising providing circuitry on the substrate such that the display is an active matrix display.

16 . The method of claim 1 , wherein surfaces of each of the continuous layer of the organic light-emissive material and the material film layer that face away from the substrate have a non-planar topography.

17 . The method of claim 1 , wherein the plurality of electrodes is a first plurality of electrodes, the confinement region is a first confinement region, the boundary region is a first boundary region, and the continuous layer of organic light-emissive material is a first continuous layer of organic light-emissive material, the method further comprising:

depositing additional organic light-emissive material on the material film layer disposed over a second plurality of electrodes on the substrate,

wherein the second plurality of electrodes are disposed consecutively and in alignment on the substrate;

wherein the material film layer disposed over the second plurality of electrodes defines:

a second confinement region having a third surface energy property, the second confinement region overlying an area in which the second plurality of electrodes are disposed, and

a second boundary region surrounding the second confinement region, the second boundary region having a fourth surface energy property;

causing confinement of the organic light-emissive material deposited on the material film layer disposed over the second plurality of electrodes to an area on the material film layer that is within the second confinement region as a result of the differing third and fourth surface energy properties; and

forming a second continuous layer of the organic light-emissive material within the second confinement region.

18 . The method of claim 17 , wherein the first continuous layer of the organic light-emissive material has a first light-emissive property corresponding to a first color emission, and the second continuous layer of the organic light-emissive material has a second light-emissive property corresponding to a second color emission, wherein the first color emission and second color emission differ from each other.

19 . The method of claim 17 , wherein the first plurality of electrodes are aligned on the substrate in a first column, and the second plurality of electrodes are aligned on the substrate in a second column, the first column and the second column extending parallel to each other.

20 . The method of claim 17 , wherein surfaces of each of the first continuous layer of organic light-emissive material, the second continuous layer of organic light-emissive material, and the material film layer that face away from the substrate have a non-planar topography.

21 . The method of claim 17 , further comprising providing an electrically insulative material layer between consecutive electrodes of each of the first plurality of electrodes and the second plurality of electrodes, respectively.

22 . The method of claim 17 , wherein the first and third surface energy properties are the same, and the second and fourth surface energy properties are the same.

23 . The method of claim 1 , wherein the material film layer is a hole conducting layer.

24 . The method of claim 23 , further comprising treating the hole conducting layer to alter surface energy properties in select regions of the hole conducting layer thereby creating the confinement region having the first surface energy property and the boundary region having the second surface energy property.

25 . The method of claim 23 , wherein treating the hole conducting layer comprises radiating the hole conducting layer through openings of a mask.

26 . The method of claim 23 , wherein treating the hole conducting layer comprises applying a reactive-surface-active material to the hole conducting layer before radiating the hole conducting layer.

27 . The method of claim 1 , wherein: the first surface energy property is sufficient to attract the organic light-emissive material deposited on the material film layer, and the second surface energy property is sufficient to repel the organic light-emissive material deposited on the material film layer.

28 . The method of claim 1 , wherein depositing the organic light-emissive material comprises inkjet printing the organic light-emissive material.