# US 10,319,938 B2 · Display apparatus having a larger display region and moisture impermeability > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,319,938 B2 - Document ID: US10319938B2 - Status: Granted - Kind: B2 - Application number: 15/654,265 - Filed: 2017-07-19 - Published: 2018-01-25 - Granted: 2019-06-11 - Earliest claimed: 2016-07-19 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Jonghyun Choi; Hyunsun Park - Web page: https://patentgrep.com/patent/US10319938B2 ## CPC - H10K 59/1201: {Manufacture or treatment} - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/60: wherein the TFTs are in active matrices - H10K 50/15: Hole transporting layers - H10K 59/125: including organic TFTs [OTFT] - H10K 59/87: {Passivation; Containers; Encapsulations} - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K 59/873: {Encapsulations} - H10K 59/8731: {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 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - H10K 59/124: Insulating layers formed between TFT elements and OLED elements - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract A display apparatus includes a substrate having a first region and a second region surrounding the first region. An insulating part is disposed above the substrate, covering the first region and the second region, and comprising a first opening portion in the second region. A dam part is disposed above the insulating part in the second region and surrounds a periphery of the first opening portion. A first organic insulating layer is disposed above the insulating part and covers an inner surface of the first opening portion. An organic light-emitting device is disposed above the insulating part in the first region and comprises a pixel electrode. An encapsulation layer is disposed above the insulating part in both the first region and the second region. The encapsulation layer covers the organic light-emitting device. ## Claims ### Claim 1 A display apparatus comprising: a substrate having a first region and a second region surrounding the first region; an insulating part disposed above the substrate, covering the first region and the second region, and comprising a first opening portion in the second region; a first material layer disposed between the substrate and the insulating part in the second region; a dam part disposed above the insulating part in the second region and surrounding a periphery of the first opening portion; a first organic insulating layer disposed above the insulating part, covering an inner surface of the first opening portion and making contact with the first material layer; an organic light-emitting device disposed above the insulating part in the first region and comprising a pixel electrode; and an encapsulation layer, disposed above the insulating part in both the first region and the second region, the encapsulation layer covering the organic light-emitting device. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein the encapsulation layer comprises a first inorganic film, a second inorganic film, and an organic film disposed between the first inorganic film and the second inorganic film, and at least a portion of the organic film is recessed within the first opening portion. ### Claim 3 (depends on 2) The display apparatus of claim 2, wherein the first inorganic film and the second inorganic film extend to an edge of the substrate and come into direct contact with each other in the second region. ### Claim 4 (depends on 2) The display apparatus of claim 2, wherein the organic film is fully enclosed by the second inorganic film and the first inorganic film. ### Claim 5 (depends on 2) The display apparatus of claim 2, wherein the first inorganic film covers the insulating part and the first organic insulating layer. ### Claim 6 (depends on 1) The display apparatus of claim 1, wherein the first opening portion exposes at least a portion of the first material layer. ### Claim 7 A display apparatus comprising: a substrate having a first region and a second region surrounding the first region; an insulating part disposed above the substrate, covering the first region and the second region, and comprising a first opening portion in the second region; a dam part disposed above the insulating part in the second region and surrounding a periphery of the first opening portion; a first organic insulating layer disposed above the insulating part and covering an inner surface of the first opening portion; an organic light-emitting device disposed above the insulating part in the first region and comprising a pixel electrode; an encapsulation layer, disposed above the insulating part in both the first region and the second region, the encapsulation layer covering the organic light-emitting device; and a first material layer disposed between the substrate and the insulating part, wherein the fist opening portion exposes at least a portion of the first material layer, wherein the first organic insulating layer exposes at least a portion of the first material layer. ### Claim 8 (depends on 7) The display apparatus of claim 7, wherein the first inorganic film comes into direct contact with at least a portion of the first material layer. ### Claim 9 (depends on 6) The display apparatus of claim 6, further comprising: a thin film transistor disposed in the first region and comprising a semiconductor layer and a gate electrode, wherein the first material layer comprises a same material as the semiconductor layer. ### Claim 10 (depends on 1) The display apparatus of claim 1, wherein the insulating part is disposed above the substrate in both the first region and the second region and the insulating part comprises a first insulating layer, having a first opening corresponding to the first opening portion, and a second insulating layer, having a second opening corresponding to the first opening portion. ### Claim 11 A display apparatus comprising: a substrate having a first region and a second region surrounding the first region; an insulating part disposed above the substrate, covering the first region and the second region, and comprising a first opening portion in the second region; a dam part disposed above the insulating part in the second region and surrounding a periphery of the first opening portion; a first organic insulating layer disposed above the insulating part and covering an inner surface of the first opening portion; an organic light-emitting device disposed above the insulating part in the first region and comprising a pixel electrode; and an encapsulation layer, disposed above the insulating part in both the first region and the second region, the encapsulation layer covering the organic light-emitting device, wherein the insulating part is disposed above the substrate in both the first region and the second region and the insulating part comprises a first insulating layer, having a first opening corresponding to the first opening portion, and a second insulating layer, having a second opening corresponding to the first opening portion, wherein the display apparatus further comprises a first metal layer disposed between the first insulating layer and the second insulating layer of the second region, and comprising a third opening corresponding to the first opening portion. ### Claim 12 (depends on 11) The display apparatus of claim 11, further comprising: a second metal layer disposed above the second insulating layer of the second region, and comprising a fourth opening corresponding to the first opening portion. ### Claim 13 (depends on 12) The display apparatus of claim 12, wherein the first organic insulating layer covers inner surfaces of the first opening, the second opening, the third opening, and the fourth opening. ### Claim 14 (depends on 12) The display apparatus of claim 12, further comprising: a thin film transistor disposed in the first region and comprising a semiconductor layer, a gate electrode, a source electrode, and a drain electrode, wherein the first metal layer comprises a same material as the gate electrode, and the second metal layer comprises a same material as the source electrode or the drain electrode. ### Claim 15 A display apparatus comprising: a substrate having a first region and a second region surrounding the first region; an insulating part disposed above the substrate, covering the first region and the second region, and comprising a first opening portion in the second region; a dam part disposed above the insulating part in the second region and surrounding a periphery of the first opening portion; a first organic insulating layer disposed above the insulating part, covering an inner surface of the first opening portion; an organic light-emitting device disposed above the insulating part in the first region and comprising a pixel electrode; an encapsulation layer, disposed above the insulating part in both the first region and the second region, the encapsulation layer covering the organic light-emitting device; a via layer disposed between the insulating part and the pixel electrode in the first region; and a pixel defining film covering an edge of the pixel electrode and exposing a central portion thereof, wherein the first organic insulating layer comprises a same material as the via layer or the pixel defining film. ### Claim 16 (depends on 15) The display apparatus of claim 15, wherein the dam part comprises a same material as the via layer or the pixel defining film. ### Claim 17 (depends on 1) The display apparatus of claim 1, wherein the insulating part further comprises a second opening portion surrounding a periphery of the dam part. ### Claim 18 (depends on 17) The display apparatus of claim 17, further comprising: a second organic insulating layer disposed above the insulating part and covering an inner surface of the second opening portion, wherein the second organic insulating layer exposes at least a portion of the first material layer. ### Claim 19 (depends on 17) The display apparatus of claim 17, further comprising: a second material layer disposed between the substrate and the insulating part, wherein the second opening portion exposes at least a portion of the second material layer. ### Claim 20 (depends on 19) The display apparatus of claim 19, further comprising: a thin film transistor disposed in the first region, comprising a semiconductor layer and a gate electrode, wherein the second material layer comprises a same material as the semiconductor layer or the gate electrode.