# US 2018/0323252 A1 · Display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0323252 A1 - Document ID: US20180323252A1 - Status: Published application - Kind: A1 - Application number: 16/038,476 - Filed: 2018-07-18 - Published: 2018-11-08 - Earliest claimed: 2016-04-07 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Hagyeong SONG; Deukjong KIM; Sangki KIM - Web page: https://patentgrep.com/patent/US20180323252A1 ## CPC - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/1213: {the pixel elements being TFTs} - H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display apparatus including a first conductive layer; a first insulating layer including a first opening exposing a first upper surface of the first conductive layer and covering at least a part of an upper edge of the first conductive layer, wherein the first upper surface of the first conductive layer includes a center portion of an upper surface of the first conductive layer; a second conductive layer on a part of the first upper surface of the first conductive layer and on the first insulating layer; and a second insulating layer including a second opening exposing a second upper surface of the second conductive layer and covering a part of an upper edge of the second conductive layer, wherein the second upper surface of the second conductive layer includes a center portion of the upper surface of the second conductive layer and the second opening has an area that is less than that of the first opening. ## Claims ### Claim at position 1 -18. (canceled) ### Claim 19 A display apparatus, comprising: a substrate that includes a display area and a peripheral area, the peripheral area being outside of the display area; a first conductive layer in the peripheral area; a first insulating layer that includes a first opening exposing a first upper surface of the first conductive layer and covering at least a part of an upper edge of the first conductive layer, wherein the first upper surface of the first conductive layer includes at least a center portion of an upper surface of the first conductive layer; a second conductive layer on at least a part of the first upper surface of the first conductive layer and on the first insulating layer; and a second insulating layer that includes a second opening exposing a second upper surface of the second conductive layer and covering at least a part of an upper edge of the second conductive layer, wherein the second upper surface of the second conductive layer includes at least a center portion of an upper surface of the second conductive layer and, when viewed in a direction perpendicular to the substrate, an edge of the second opening is located inside an edge of the first opening. ### Claim 20 (depends on 19) The display apparatus as claimed in claim 19, wherein: the upper surface of the second conductive layer includes a flat portion at the center portion thereof, and the second insulating layer covers the upper surface of the second conductive layer except at least a part of the flat portion. ### Claim 21 (depends on 19) The display apparatus as claimed in claim 19, wherein: the upper surface of the second conductive layer has a curved surface in a part thereof, and the second insulating layer covers the curved surface in the upper surface of the second conductive layer. ### Claim 22 (depends on 19) The display apparatus as claimed in claim 19, further comprising a thin film transistor in the display area, the thin film transistor including a gate electrode, a source electrode, and a drain electrode, and wherein: the first conductive layer includes a material that is the same as a material of the gate electrode, and the second conductive layer includes a material that is the same as a material of the source electrode and the drain electrode. ### Claim 23 (depends on 22) The display apparatus as claimed in claim 22, wherein: the first insulating layer includes a material that is the same as a material of an interlayer insulating layer that is between the source and drain electrodes and the gate electrode, and the second insulating layer includes a material that is the same as a material of a protective layer covering the source electrode and the drain electrode. ### Claim 24 (depends on 23) The display apparatus as claimed in claim 23, wherein: the first insulating layer is integral with the interlayer insulating layer, and the second insulating layer is integral with the protective layer. ### Claim 25 (depends on 19) The display apparatus as claimed in claim 19, further comprising a third conductive layer on the second upper surface of the second conductive layer and the second insulating layer. ### Claim 26 (depends on 25) The display apparatus as claimed in claim 25, further comprising: a thin film transistor in the display area, the thin film transistor including a gate electrode, a source electrode, and a drain electrode; and a pixel electrode electrically connected to one of the source electrode and the drain electrode, wherein: the first conductive layer includes a material that is the same as a material of the gate electrode, the second conductive layer includes a material that is the same as a material of the source electrode and the drain electrode, and the third conductive layer includes a material that is the same as a material of the pixel electrode. ### Claim 27 (depends on 26) The display apparatus as claimed in claim 26, wherein: the first insulating layer includes a material that is the same as a material of an interlayer insulating layer between the source and drain electrodes and the gate electrode, and the second insulating layer includes a material that is the same as a material of a protective layer covering the source electrode and the drain electrode. ### Claim 28 (depends on 27) The display apparatus as claimed in claim 27, wherein: the first insulating layer is integral with the interlayer insulating layer, and the second insulating layer is integral with the protective layer. ### Claim 29 (depends on 25) The display apparatus as claimed in claim 25, further comprising an opposite electrode that is provided integrally throughout the display area and extending to a part of the peripheral area, wherein the opposite electrode electrically contacts the third conductive layer. ### Claim 30 (depends on 25) The display apparatus as claimed in claim 25, wherein the third conductive layer contacts the second conductive layer through the second opening. ### Claim 31 (depends on 30) The display apparatus as claimed in claim 30, further comprising a third insulating layer between the second insulating layer and the third conductive layer. ### Claim 32 (depends on 31) The display apparatus as claimed in claim 31, wherein the third insulating layer includes an organic material. ### Claim 33 (depends on 19) The display apparatus as claimed in claim 19, further comprising an opposite electrode that is provided integrally throughout the display area and extending to a part of the peripheral area, wherein the opposite electrode is electrically connected to the second conductive layer. ### Claim 34 (depends on 19) The display apparatus as claimed in claim 19, wherein the first conductive layer has an island shape. ### Claim 35 (depends on 19) The display apparatus as claimed in claim 19, wherein, when viewed in the direction perpendicular to the substrate, an area of the second opening is smaller than an area of the first opening. ### Claim 36 A display apparatus, comprising: a substrate that includes a display area and a peripheral area, the display area including pixels and the peripheral area being outside of the display area; and an electrode power supply line electrically connected to the pixels of the display area, wherein the electrode power supply line includes: a connecting conductive layer, and a main conductive layer connected by the connecting conductive layer, wherein the connecting conductive layer has a connection side that is connected to the main conductive layer and a substrate facing side that is opposite to the connection side and that faces the substrate, wherein a first insulating layer overlies an outer edge of the connection side of the connecting conductive layer and includes a first opening that is open on a central portion of the connection side of the connecting conductive layer, wherein the main conductive layer contacts the connection side of the connecting conductive layer at the central portion of the connection side of the connecting conductive layer, wherein a second insulating layer overlies an outer edge of an outwardly facing surface of the main conductive layer and includes a second opening that is open on a central portion of the outwardly facing surface of the main conductive layer, and wherein, when viewed in a direction perpendicular to the substrate, an edge of the second opening is located inside an edge of the first opening. ### Claim 37 (depends on 36) The display apparatus as claimed in claim 36, further comprising a third conductive layer on the outwardly facing surface of the main conductive layer and the second insulating layer. ### Claim 38 (depends on 37) The display apparatus as claimed in claim 37, further comprising a third insulating layer between the second insulating layer and the third conductive layer, the third insulating layer including an organic material.