# US 2017/0288168 A1 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0288168 A1 - Document ID: US20170288168A1 - Status: Published application - Kind: A1 - Application number: 15/297,193 - Filed: 2016-10-19 - Published: 2017-10-05 - Earliest claimed: 2016-03-29 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Gunmo KIM; Wonsang PARK; Wonil CHOI; Jongho HONG - Web page: https://patentgrep.com/patent/US20170288168A1 ## CPC - H10K 59/124: Insulating layers formed between TFT elements and OLED elements - H10K 59/12: Active-matrix OLED [AMOLED] displays - 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 77/111: {Flexible substrates} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display apparatus including a substrate; a plurality of unit displays disposed over the substrate, each of the unit displays including a thin film transistor including at least one inorganic layer, a display device electrically connected to the thin film transistor, and a planarization layer between the thin film transistor and the display device; and an encapsulation layer encapsulating the plurality of unit displays, wherein the planarization layer of each of the unit displays includes a spaced area exposing a surface of the at least one inorganic layer between the plurality of unit displays, and wherein the encapsulation layer contacts the at least one inorganic layer in the spaced area. ## Claims ### Claim 1 A display apparatus, comprising: a substrate; a plurality of unit displays disposed over the substrate, each of the unit displays including: a thin film transistor including at least one inorganic layer, a display device electrically connected to the thin film transistor, and a planarization layer between the thin film transistor and the display device; and an encapsulation layer encapsulating the plurality of unit displays, wherein the planarization layer of each of the unit displays includes a spaced area exposing a surface of the at least one inorganic layer between the plurality of unit displays, and wherein the encapsulation layer contacts the at least one inorganic layer in the spaced area. ### Claim 2 (depends on 1) The display apparatus as claimed in claim 1, wherein the spaced area surrounds each of the plurality of unit displays. ### Claim 3 (depends on 1) The display apparatus as claimed in claim 1, wherein: the planarization layer of each of the unit displays includes unit planarization areas respectively corresponding to the plurality of unit displays, and the unit planarization areas are spaced apart from each other by the spaced area. ### Claim 4 (depends on 1) The display apparatus as claimed in claim 1, wherein the planarization layer includes an organic material. ### Claim 5 (depends on 1) The display apparatus as claimed in claim 1, wherein: the encapsulation layer includes at least one inorganic encapsulation layer, and the at least one inorganic encapsulation layer contacts the at least one inorganic layer in the spaced area. ### Claim 6 (depends on 5) The display apparatus as claimed in claim 5, wherein: the encapsulation layer includes at least one organic encapsulation layer, the at least one inorganic encapsulation layer includes a first inorganic encapsulation layer below the at least one organic encapsulation layer and a second inorganic encapsulation layer above the at least one organic encapsulation layer, and the first inorganic encapsulation layer contacts the at least one inorganic layer in the spaced area. ### Claim 7 (depends on 6) The display apparatus as claimed in claim 6, wherein: the at least one organic encapsulation layer includes unit organic encapsulation layers respectively corresponding to the plurality of unit displays, and the first inorganic encapsulation layer and the second inorganic encapsulation layer contact each other at an edge of the unit organic encapsulation layers. ### Claim 8 (depends on 7) The display apparatus as claimed in claim 7, wherein: each of the plurality of unit displays includes a dam unit at an edge of each of the plurality of unit displays, and the unit organic encapsulation layers are disposed inside the dam unit. ### Claim 9 (depends on 1) The display apparatus as claimed in claim 1, wherein: the at least one inorganic layer includes a first insulating layer between an active layer of the thin film transistor and a gate electrode and a second insulating layer on the gate electrode, and the first insulating layer or the second insulating layer is exposed in the spaced area. ### Claim 10 (depends on 1) The display apparatus as claimed in claim 1, wherein: each of the plurality of unit displays further includes a passivation layer on the planarization layer, and the substrate has a stack structure of a first barrier layer and a first support layer, the first barrier layer being closer to the thin film transistor than the first support layer. ### Claim 11 (depends on 10) The display apparatus as claimed in claim 10, wherein the passivation layer includes an inorganic material. ### Claim 12 (depends on 1) The display apparatus as claimed in claim 1, wherein: the substrate includes: a plurality of islands spaced apart from each other, a plurality of connection units connecting the plurality of islands, and a plurality of through units passing through the substrate between the plurality of connection units, and the plurality of unit displays are respectively disposed over the plurality of islands. ### Claim 13 (depends on 12) The display apparatus as claimed in claim 12, wherein: the spaced area includes the plurality of connection units and the plurality of islands, and the encapsulation layer contacts the at least one inorganic layer at an edge of the plurality of islands. ### Claim 14 (depends on 13) The display apparatus as claimed in claim 13, wherein the encapsulation layer includes a plurality of encapsulation layers respectively disposed on the plurality of islands and independently sealing the plurality of unit displays. ### Claim 15 (depends on 12) The display apparatus as claimed in claim 12, wherein: the plurality of islands are repeatedly disposed in a first direction and a second direction different from the first direction, four connection units are respectively connected to the plurality of islands, and the four connection units connected to one of the plurality of islands extend in different directions and are respectively connected to other four islands that surround the one island. ### Claim 16 (depends on 15) The display apparatus as claimed in claim 15, wherein: two adjacent ones of the plurality of islands are connected to one of the plurality of connection units, and side surfaces of the two adjacent islands connected to the one connection unit and a direction in which the one connection unit extends meet at acute angles. ### Claim 17 (depends on 16) The display apparatus as claimed in claim 16, wherein: each of the plurality of islands has a rectangular shape, and corners of the rectangular shape are directed in the first direction and the second direction. ### Claim 18 (depends on 1) The display apparatus as claimed in claim 1, wherein the display device includes: a first electrode, a second electrode, and an intermediate layer between the first electrode and the second electrode, the intermediate layer including an organic emission layer. ### Claim 19 A display apparatus, comprising: a substrate; a plurality of unit displays on the substrate, each of the unit displays including: a thin film transistor including at least one inorganic layer, a display device electrically connected to the thin film transistor, and a planarization layer between the thin film transistor and the display device; and an encapsulation layer encapsulating the plurality of unit displays, wherein the planarization layer of each of the unit displays is isolated from other planarization layers such that a spaced area is between the isolated planarization layers, the spaced area overlying a surface of the at least one inorganic layer, and wherein the encapsulation layer contacts the at least one inorganic layer in the spaced area. ### Claim 20 (depends on 19) The display apparatus as claimed in claim 19, wherein: the encapsulation layer includes at least one inorganic encapsulation layer, and the at least one inorganic encapsulation layer contacts the at least one inorganic layer in the spaced area.