# US 10,319,944 B2 · Display apparatus having an encapsulation inorganic layer and method of manufacturing the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,319,944 B2 - Document ID: US10319944B2 - Status: Granted - Kind: B2 - Application number: 14/727,670 - Filed: 2015-06-01 - Published: 2016-03-03 - Granted: 2019-06-11 - Earliest claimed: 2014-08-29 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Seongryong Lee; Sangwon Seo - Web page: https://patentgrep.com/patent/US10319944B2 ## CPC - H10K 59/124: Insulating layers formed between TFT elements and OLED elements - H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - H10K 59/873: {Encapsulations} - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 59/1201: {Manufacture or treatment} - H10K 2102/311: {Flexible OLED} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display apparatus includes a substrate on which a central area having a display area and a peripheral area disposed around the central area are defined. The display apparatus includes a display area inorganic layer on the display area and extending to a portion of the peripheral area; and an encapsulation inorganic layer covering the display area, on the display area inorganic layer, and having an edge that is in parallel with or extending over an edge of the display area inorganic layer. ## Claims ### Claim 1 A display apparatus comprising a substrate comprising a central area and a peripheral area adjacent to the central area, the central area comprising a display area, the display apparatus further comprising: a display device and at least one of a semiconductor layer or a conductive layer electrically connected to the display device in the display area, the conductive layer comprising a gate electrode; a display area inorganic layer on the display area and extending to a portion of the peripheral area; and an encapsulation inorganic layer on the display area inorganic layer and covering the display area, the encapsulation inorganic layer comprising an edge directly connecting with or extending over an edge of the display area inorganic layer and comprising a region that directly contacts a top surface of the display area inorganic layer at the peripheral area, wherein the encapsulation inorganic layer covers the display device, and the display area inorganic layer does not cover the display device, wherein the display area inorganic layer covers a top surface of the at least one of the semiconductor layer or the conductive layer, and wherein the encapsulation inorganic layer is smaller than the substrate, and the edge of the encapsulation inorganic layer is spaced from an edge of the substrate. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein the display area inorganic layer is smaller than the substrate, and the edge of the display area inorganic layer is spaced from an edge of the substrate. ### Claim 3 (depends on 1) The display apparatus of claim 1, wherein at least one edge of the encapsulation inorganic layer extends over the edge of the display area inorganic layer. ### Claim 4 (depends on 3) The display apparatus of claim 3, wherein at least one edge of the encapsulation inorganic layer is disposed on the substrate. ### Claim 5 (depends on 1) The display apparatus of claim 1, wherein the encapsulation inorganic layer comprises a main area and a shadow area that is connected to the main area, the shadow area being closer to an edge of the substrate than the main area is. ### Claim 6 (depends on 5) The display apparatus of claim 5, wherein the main area extends over the edge of the display area inorganic layer, and the shadow area is on the substrate. ### Claim 7 (depends on 5) The display apparatus of claim 5, wherein an edge of the main area does not extend over the edge of the display area inorganic layer, and the shadow area contacts a side surface of the display area inorganic layer. ### Claim 8 (depends on 5) The display apparatus of claim 5, wherein the shadow area has a sloped side surface. ### Claim 9 (depends on 5) The display apparatus of claim 5, further comprising a separate member that is separate from the display area inorganic layer, wherein the shadow area of the encapsulation inorganic layer does not extend over the separate member, and the shadow area is not closer to an edge of the substrate than the separate member. ### Claim 10 (depends on 9) The display apparatus of claim 9, wherein the shadow area contacts a side surface of the separate member. ### Claim 11 (depends on 9) The display apparatus of claim 9, wherein the shadow area is separate from a side surface of the separate member. ### Claim 12 (depends on 9) The display apparatus of claim 9, wherein the separate member comprises the same material as the display area inorganic layer. ### Claim 13 (depends on 5) The display apparatus of claim 5, further comprising a barrier layer between the substrate and the display area inorganic layer. ### Claim 14 (depends on 13) The display apparatus of claim 13, wherein at least one edge of the encapsulation inorganic layer extends over an edge of the barrier layer. ### Claim 15 (depends on 13) The display apparatus of claim 13, wherein at least one edge of the barrier layer extends over the edge of the encapsulation inorganic layer. ### Claim 16 (depends on 13) The display apparatus of claim 13, further comprising a separate member that is separate from the display area inorganic layer, and wherein the shadow area of the encapsulation inorganic layer does not extend over the separate member so as not to be closer to an edge of the substrate than the separate member, and the separate member is on the barrier layer. ### Claim 17 (depends on 13) The display apparatus of claim 13, further comprising a separate member that is separate from the display area inorganic layer, and wherein the shadow area of the encapsulation inorganic layer does not extend over the separate member so as not to be closer to an edge of the substrate than the separate member, and the separate member comprises the same material as the barrier layer. ### Claim 18 (depends on 1) The display apparatus of claim 1, further comprising an encapsulation organic layer between the display area inorganic layer and the encapsulation inorganic layer so as to cover the display area. ### Claim 19 (depends on 18) The display apparatus of claim 18, wherein the encapsulation organic layer is smaller than the display area inorganic layer. ### Claim 20 (depends on 18) The display apparatus of claim 18, wherein the encapsulation organic layer is smaller than the encapsulation inorganic layer. ### Claim 21 (depends on 18) The display apparatus of claim 18, further comprising a blocking member that is closer to an edge of the substrate than the encapsulation organic layer is. ### Claim 22 (depends on 21) The display apparatus of claim 21, wherein the blocking member comprises a plurality of the blocking members. ### Claim 23 (depends on 22) The display apparatus of claim 22, wherein heights of the plurality of the blocking members differ. ### Claim 24 (depends on 1) The display apparatus of claim 1, wherein the encapsulation inorganic layer comprises a plurality of stacked inorganic layers. ### Claim 25 (depends on 24) The display apparatus of claim 24, further comprising an encapsulation organic layer covering the display area, wherein the encapsulation organic layer is between the plurality of stacked inorganic layers of the encapsulation inorganic layer and is smaller than the plurality of stacked inorganic layers. ### Claim 26 (depends on 25) The display apparatus of claim 25, wherein the encapsulation organic layer comprises a plurality of organic layers, and at least one of the plurality of organic layers is between one of the plurality of stacked inorganic layers of the encapsulation inorganic layer and the display area inorganic layer. ### Claim 27 (depends on 1) The display apparatus of claim 1, further comprising a functional layer between the display area inorganic layer and the encapsulation inorganic layer. ### Claim 28 (depends on 27) The display apparatus of claim 27, wherein the functional layer comprises a layer adapted to control a refractive index of a visible ray. ### Claim 29 (depends on 27) The display apparatus of claim 27, further comprising a first protective layer between the functional layer and the encapsulation inorganic layer. ### Claim 30 (depends on 1) The display apparatus of claim 1, further comprising a second protective layer on the encapsulation inorganic layer, the second protective layer being larger than the encapsulation inorganic layer. ### Claim 31 (depends on 1) The display apparatus of claim 1, wherein the substrate comprises an organic material. ### Claim 32 (depends on 1) The display apparatus of claim 1, wherein the display area has: at least one display device; and a thin film transistor (TFT) electrically connected to the at least one display device and comprising an active layer, the gate electrode, a source electrode, and a drain electrode, and wherein the display area inorganic layer contacts at least one selected from the active layer, the gate electrode, the source electrode, and the drain electrode. ### Claim 33 (depends on 32) The display apparatus of claim 32, wherein the display area inorganic layer corresponds to at least one of a gate insulating layer and an interlayer insulating layer, and wherein the gate insulating layer insulates the active layer from the gate electrode and the interlayer insulating layer insulates the source electrode and the drain electrode from the gate electrode. ### Claim 34 (depends on 32) The display apparatus of claim 32, wherein the at least one display device comprises a first electrode, a second electrode, and an intermediate layer that is between the first electrode and the second electrode and comprises an organic emission layer. ### Claim 35 A display apparatus comprising a substrate comprising a central area and a peripheral area adjacent to the central area, the central area comprising a display area, the display apparatus further comprising: a display device and at least one of a semiconductor layer or a conductive layer electrically connected to the display device in the display area; a first inorganic layer on the display area and extending to a portion of the peripheral area; and a second inorganic layer on the first inorganic layer and covering the display area, the second inorganic layer comprising an edge directly connecting with or extending over an edge of the first inorganic layer and comprising a region that directly contacts a top surface of the first inorganic layer at the peripheral area, wherein the second inorganic layer covers the display device, and the first inorganic layer does not cover the display device, and wherein the first inorganic layer covers a top surface of the at least one of a semiconductor layer or a conductive layer. ### Claim 36 (depends on 35) The display apparatus of claim 35, wherein the edge of the second inorganic layer is spaced from an edge of the substrate and a portion of the top surface of the substrate is not covered with the second inorganic layer. ### Claim 37 (depends on 35) The display apparatus of claim 35, wherein the edge of the first inorganic layer is spaced from an edge of the substrate and a portion of the top surface of the substrate is not covered with the first inorganic layer. ### Claim 38 (depends on 35) The display apparatus of claim 35, wherein at least one edge of the second inorganic layer extends over the edge of the first inorganic layer. ### Claim 39 (depends on 38) The display apparatus of claim 38, wherein at least one edge of the second inorganic layer is disposed on the substrate.