# US 12,010,904 B2 · Organic light emitting display device with an organic patterned portion > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,010,904 B2 - Document ID: US12010904B2 - Status: Granted - Kind: B2 - Application number: 18/063,668 - Filed: 2022-12-08 - Published: 2023-04-06 - Granted: 2024-06-11 - Earliest claimed: 2018-03-29 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Sungwoo Jung; Soonjung Wang - Web page: https://patentgrep.com/patent/US12010904B2 ## CPC - C23C 14/042: {using masks} - H10K 59/352: {the areas of the RGB subpixels being different} - H10K 59/873: {Encapsulations} - H10K 71/164: {using vacuum deposition} - H10K 71/166: {using selective deposition, e.g. using a mask} - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 71/40: Thermal treatment, e.g. annealing in the presence of a solvent vapour - C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A mask assembly and an organic light emitting display device manufactured using the mask assembly are capable of realizing an organic light emitting display device having a hole in a display area, the mask assembly including a frame defining a first opening area, a first mask on the frame and defining a plurality of second opening areas that overlap the first opening area, and a second mask fixed to the frame across the plurality of second opening areas, and including a body portion overlapping the first mask, a blocking portion at each respective one of the second opening areas, and a pattern portion between the body portion and the blocking portion, and defining a plurality of holes. ## Claims ### Claim 1 An organic light emitting display device comprising: a substrate having a display area, a first non-display area in the display area, and a second non-display area around the display area; a plurality of first pixel electrodes on the substrate at the display area; a functional member corresponding to the first non-display area; an organic layer on the first pixel electrode, and a light emitting layer on the organic layer, wherein the organic layer comprises at least one of: a first organic layer between the first pixel electrode and the light emitting layer, and a second organic layer on a surface of the light emitting layer opposite to the first pixel electrode, wherein the organic layer defines a first hole at the first non-display area, and comprises an organic pattern portion in the display area and adjacent to the first hole, and wherein the organic pattern portion defines at least one second hole defined through the organic layer. ### Claim 2 (depends on 1) The organic light emitting display device of claim 1, wherein the organic pattern portion has a width substantially equal to a width of the first hole. ### Claim 3 (depends on 1) The organic light emitting display device of claim 1, wherein the organic pattern portion surrounds the first hole. ### Claim 4 (depends on 1) The organic light emitting display device of claim 1, wherein the organic pattern portion has a shape of a circle, an ellipse, or a polygon repeatedly arranged on a plane. ### Claim 5 (depends on 4) The organic light emitting display device of claim 4, wherein each of the shapes of the organic pattern portion overlaps one of the first pixel electrodes on a plane. ### Claim 6 (depends on 4) The organic light emitting display device of claim 4, wherein each of the shapes of the organic pattern portion overlaps two to eight of the first pixel electrodes on a plane. ### Claim 7 (depends on 1) The organic light emitting display device of claim 1, wherein the first organic layer comprises at least one of an electron injection layer and an electron transporting layer, and the second organic layer comprises at least one of a hole injection layer and a hole transporting layer. ### Claim 8 (depends on 1) The organic light emitting display device of claim 1, further comprising a second pixel electrode on the second organic layer. ### Claim 9 (depends on 1) The organic light emitting display device of claim 1, further comprising a thin film encapsulation layer on the second organic layer over an entire surface of the substrate. ### Claim 10 (depends on 1) The organic light emitting display device of claim 1, wherein an edge of the second hole is disposed between two adjacent first pixel electrodes of the plurality of first pixel electrodes in a plan view.