# US 2014/0197396 A1 · High Resolution Organic Light-Emitting Diode Devices, Displays, and Related Method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0197396 A1 - Document ID: US20140197396A1 - Status: Published application - Kind: A1 - Application number: 14/156,188 - Filed: 2014-01-15 - Published: 2014-07-17 - Earliest claimed: 2013-01-17 - Assignees: Kateeva, Inc. - Applicants: Kateeva, Inc. - Inventors: Conor F. Madigan - Web page: https://patentgrep.com/patent/US20140197396A1 ## CPC - G09G 3/3225: using an active matrix - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/352: {the areas of the RGB subpixels being different} - H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels} - H10K 71/135: {using ink-jet printing} - G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components - H10K 59/80518: {Reflective anodes, e.g. ITO combined with thick metallic layers} - H10K 59/80524: {Transparent cathodes, e.g. comprising thin metal layers} - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract In accordance with an exemplary embodiment of the present disclosure, a method of manufacturing an organic light-emissive display can be provided. A plurality of electrodes can be provided on a substrate. A first hole conducting layer can be deposited via inkjet printing over the plurality of electrodes on the substrate. A liquid affinity property of selected surface portions of the first hole conducting layer can be altered to define emissive layer confinement regions. Each emissive layer confinement region can have a portion that respectively corresponds to each of the plurality of electrodes provided on the substrate. An organic light-emissive layer can be deposited via inkjet printing within each emissive layer confinement region. ## Claims ### Claim 1 A method of manufacturing an organic light-emissive display comprising: providing a plurality of electrodes on a substrate; depositing, via inkjet printing, a first hole conducting layer over the plurality of electrodes on the substrate; altering a liquid affinity property of selected surface portions of the first hole conducting layer to define emissive layer confinement regions, wherein each emissive layer confinement region has a portion that respectively corresponds to each of the plurality of first electrodes provided on the substrate; and depositing, via inkjet printing, an organic light emissive layer within each emissive layer confinement region. ### Claim 2 (depends on 1) The method of claim 1, further comprising: depositing, via ink jet printing, a second hole conducting layer between the plurality of electrodes and the first hole conducting layer. ### Claim 3 (depends on 1) The method of claim 1, further comprising: providing a confinement structure on the substrate that surrounds the plurality of electrodes. ### Claim 4 (depends on 3) The method of claim 3, wherein the plurality of electrodes are disposed within an active area of the display. ### Claim 5 (depends on 1) The method of claim 1, further comprising: depositing a second electrode over each organic light emissive layer, wherein the plurality of electrodes are a plurality of first electrodes. ### Claim 6 (depends on 5) The method of claim 5, wherein the second electrode is blanket coated over all organic light emissive layers. ### Claim 7 (depends on 1) The method of claim 1, further comprising: depositing a pixel definition layer over a portion of each of the plurality of electrodes. ### Claim 8 (depends on 7) The method of claim 7, wherein the pixel definition layer has a thickness ranging from about 50 nm to about 1500 nm. ### Claim 9 (depends on 1) The method of claim 1, wherein altering the liquid affinity property of surface comprises: radiating the select surface portions of the first hole conducting layer through openings of a mask. ### Claim 10 (depends on 9) The method of claim 9, wherein the radiation comprises at least one of infrared radiation, visible wavelength radiation, and ultraviolet radiation. ### Claim 11 (depends on 1) The method of claim 1, wherein the first hole conducting layer is blanket deposited over the plurality of electrodes to form a substantially continuous layer of material, and wherein a surface that faces away from the substrate has a non-planar topography. ### Claim 12 (depends on 1) The method of claim 1, wherein the first hole conducting layer is blanket deposited over a second hole conducting layer to form a substantially continuous layer of material, and wherein a surface of the first hole conducting layer that faces away from the second hole conducting layer has a non-planar topography. ### Claim 13 An organic light-emissive display, comprising: a plurality of electrodes disposed on a substrate, wherein the plurality of electrodes are arranged in an array configuration; a confinement structure disposed on the substrate, wherein the confinement structure that surrounds the plurality of electrodes; a first hole conducting layer disposed over the plurality of electrodes within the confinement structure, wherein a liquid affinity property of surface portions of the first hole conducting layer are altered to define emissive layer confinement regions within the first hole conducting layer; and an organic light-emissive layer disposed within each emissive layer confinement region. ### Claim 14 (depends on 13) The display of claim 13, further comprising: a second hole conducting layer disposed between the plurality of electrodes and the first hole conducting layer. ### Claim 15 (depends on 13) The display of claim 13, wherein each emissive layer confinement region is surrounded by a liquid-repelling region. ### Claim 16 (depends on 13) The display of claim 13, wherein each emissive layer confinement region is not individually surrounded by a confinement structure. ### Claim 17 (depends on 13) The display of claim 13, wherein the plurality of electrodes are disposed within an active area of the display. ### Claim 18 An organic light-emissive display made by a process comprising: providing a substrate comprising a plurality of electrodes disposed on the substrate; depositing, via inkjet printing, at least one hole conducting layer over the plurality of electrodes on the substrate; altering a liquid affinity property of select surface portions of at least one hole conducting layer to define emissive layer confinement regions on a surface of the at least one hole conducting layer; and depositing, via inkjet printing, an organic light-emissive layer within each emissive layer confinement region defined within the at least one hole conducting layer. ### Claim 19 (depends on 18) The display of claim 18, further comprising: providing a confinement structure on the substrate, wherein the confinement structure defines a well that surrounds the plurality of electrodes. ### Claim 20 (depends on 18) The display of claim 18, further comprising: depositing, via ink jet printing, a first hole conducting layer over the plurality of electrodes on the substrate, wherein the emissive layer confinement regions are defined on a surface of the first hole conducting layer. ### Claim 21 (depends on 18) The display of claim 18, further comprising: depositing, via ink jet printing, a first hole conducting layer over the plurality of electrodes on the substrate; and depositing, via ink jet printing, a second hole conducting layer over the first hole conducting layer, wherein the emissive layer confinement regions are defined on a surface of the second hole conducting layer. ### Claim 22 (depends on 18) The display of claim 18, wherein the plurality of electrodes are disposed within an active area of the display.