# US 2017/0288166 A1 · Organic light-emitting display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0288166 A1 - Document ID: US20170288166A1 - Status: Published application - Kind: A1 - Application number: 15/628,557 - Filed: 2017-06-20 - Published: 2017-10-05 - Earliest claimed: 2015-03-27 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Moongon Kim - Web page: https://patentgrep.com/patent/US20170288166A1 ## CPC - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 50/84: Passivation; Containers; Encapsulations - H10K 50/8445: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/124: Insulating layers formed between TFT elements and OLED elements - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract An organic light-emitting display apparatus includes: a substrate; a display unit on the substrate and including a display area and a non-display area outside of the display area; and a thin-film encapsulation layer that seals the display unit, wherein the non-display area includes a dam region located outside of the display area and a plurality of protrusions on at least a part of the display unit outside of the dam region. ## Claims ### Claim 1 An organic light-emitting display apparatus comprising: a substrate; a display unit on the substrate and comprising a display area and a non-display area outside of the display area; and a thin-film encapsulation layer that seals the display unit, wherein the non-display area comprises a first protrusion located outside of the display area and a plurality of second protrusions outside of the first protrusion, and wherein the plurality of second protrusions are spaced apart from each other at regular intervals. ### Claim 2 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the plurality of second protrusions form a uniform pattern. ### Claim 3 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the plurality of second protrusions are arranged in a plurality of rows and a plurality of columns. ### Claim 4 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the plurality of second protrusions surround the first protrusion. ### Claim 5 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein a power supply wire is located in the non-display area, and the first protrusion overlaps and contacts at least an outer edge of the power supply wire. ### Claim 6 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the display unit comprises a thin-film transistor and an organic light-emitting device electrically connected to the thin-film transistor; and wherein the power supply wire and the organic light-emitting device are electrically connected to each other through a wire. ### Claim 7 (depends on 6) The organic light-emitting display apparatus of claim 6, wherein the thin-film encapsulation layer comprises a first inorganic film, a first organic film on the first inorganic film, and a second inorganic film on the first organic film, and wherein a portion of the wire directly contacts the first inorganic film. ### Claim 8 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the thin-film encapsulation layer comprises a plurality of inorganic films and a plurality of organic films respectively located between the plurality of inorganic films, wherein the plurality of inorganic films cover the plurality of second protrusions. ### Claim 9 (depends on 8) The organic light-emitting display apparatus of claim 8, wherein the plurality of inorganic films contact each other outside of the plurality of second protrusions. ### Claim 10 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the display unit comprises: a thin-film transistor; an organic light-emitting device electrically coupled to the thin-film transistor; a passivation film between the thin-film transistor and the organic light-emitting device; and a pixel-defining film defining a pixel region of the organic light-emitting device, wherein the first protrusion is formed of a same material as at least one selected from the passivation film and the pixel-defining film. ### Claim 11 (depends on 10) The organic light-emitting display apparatus of claim 10, wherein the first protrusion comprises: a first layer formed of a same material as the passivation film; and a second layer on the first layer and formed of a same material as the pixel-defining film. ### Claim 12 (depends on 10) The organic light-emitting display apparatus of claim 10, wherein the thin-film transistor comprises: an active layer; a gate electrode; a source electrode; and a drain electrode, wherein a gate insulating layer is located between the active layer and the gate electrode, and an interlayer insulating film is located between the gate electrode and the source and drain electrodes, and the gate insulating layer and the interlayer insulating film extend to the non-display area. ### Claim 13 (depends on 12) The organic light-emitting display apparatus of claim 12, wherein the plurality of second protrusions are located on the interlayer insulating film. ### Claim 14 (depends on 12) The organic light-emitting display apparatus of claim 12, wherein the thin-film encapsulation layer comprises at least one inorganic film, wherein the at least one inorganic film contacts the interlayer insulating film outside of the plurality of second protrusions. ### Claim 15 (depends on 14) The organic light-emitting display apparatus of claim 14, wherein the at least one inorganic film contacts a top surface of the substrate through an edge portion of the interlayer insulating film.