# US 10,319,750 B2 · Display device having crack-sensing line > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,319,750 B2 - Document ID: US10319750B2 - Status: Granted - Kind: B2 - Application number: 15/611,177 - Filed: 2017-06-01 - Published: 2018-03-29 - Granted: 2019-06-11 - Earliest claimed: 2016-09-28 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Sun Park; Ji Won Sohn; Su Yeon Yun - Web page: https://patentgrep.com/patent/US10319750B2 ## CPC - H10D 86/443: {adapted for preventing breakage, peeling or short circuiting} - G02F 1/1309: {Repairing; Testing} - H10D 86/451: {characterised by the compositions or shapes of the interlayer dielectrics} - H10D 86/60: wherein the TFTs are in active matrices - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - G02F 1/133388: {with constructional differences between the display region and the peripheral region} - G02F 1/136254: {Checking; Testing} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} - G02F 1/13685: {Top gates} - H10K 59/1213: {the pixel elements being TFTs} - H10K 59/124: Insulating layers formed between TFT elements and OLED elements - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display device includes a substrate, an insulating layer, and a crack-sensing line. The substrate includes a display area having a plurality of pixels to display images, and a non-display area surrounding the display area. The insulating layer is disposed in the non-display area and includes a recess. The crack-sensing line is disposed in and extends along the recess, and electrically connected to at least one of the pixels. The recess is disposed at a surface or inside of the insulating layer, and extends along the non-display area. ## Claims ### Claim 1 A display device comprising: a substrate including a display area having a plurality of pixels to display images, and a non-display area surrounding the display area; an insulating layer continuously disposed over the substrate from the display area to the non-display area and including a recess in the non-display area; and a crack-sensing line disposed in and extending along the recess, and electrically connected to at least one of the pixels, and wherein the recess is disposed at an upper surface of the insulating layer, and extends along the non-display area. ### Claim 2 (depends on 1) The display device of claim 1, wherein the recess has a quadrangular cross-sectional shape. ### Claim 3 (depends on 1) The display device of claim 1, further comprising first lines and second lines, wherein: the pixels are arranged in a matrix having a row direction and a column direction; the first lines are connected to first pixels arranged in the row direction; the second lines are connected to second pixels arranged in the column direction; and the crack-sensing line is electrically connected to at least one of the first pixels and the second pixels. ### Claim 4 (depends on 1) The display device of claim 1, wherein the recess comprises a trench having a ditch-like shape. ### Claim 5 (depends on 1) The display device of claim 1, wherein the recess includes a polygonal or curved protrusion. ### Claim 6 (depends on 5) The display device of claim 5, wherein the crack-sensing line has a polygonal recess portion corresponding to the polygonal protrusion or a curved recess portion corresponding to the curved protrusion. ### Claim 7 (depends on 1) The display device of claim 1, wherein each of the pixels includes one or more thin film transistors, each thin film transistor includes a gate electrode as a control terminal, a source electrode as an input terminal, an active layer as a channel unit, and a drain electrode as an output terminal, and the crack-sensing line comprises the same material as that of at least one of the gate electrode, the source electrode, and the drain electrode. ### Claim 8 (depends on 7) The display device of claim 7, further comprising a plurality of gate lines and a plurality of data lines intersecting each other, wherein the crack-sensing line is connected to at least one of the gate lines and the data lines. ### Claim 9 (depends on 7) The display device of claim 7, wherein the insulating layer extends into the display area, at least one of the gate electrode, the source electrode, and the drain electrode is disposed in an electrode recess positioned in the insulating layer, and the electrode recess is positioned at a surface or inside of the insulating layer, and is positioned in the display area. ### Claim 10 (depends on 1) The display device of claim 1, further comprising at least one dam adjacent to the crack-sensing line, wherein the dam is disposed at a surface or inside of the insulating layer. ### Claim 11 (depends on 10) The display device of claim 10, wherein the dam extends substantially parallel to the crack-sensing line. ### Claim 12 A display device comprising: a substrate including a display area having a plurality of pixels to display images, and a non-display area surrounding the display area; an insulating layer disposed in the non-display area and including a recess; a crack-sensing line disposed in and extending along the recess, and electrically connected to at least one of the pixels; and at least one protection line disposed adjacent to the crack-sensing line, and wherein the recess is disposed at a surface or inside of the insulating layer, and extends along the non-display area, and wherein the protection line is disposed in a protection line recess positioned in the insulating layer. ### Claim 13 (depends on 12) The display device of claim 12, wherein the at least one protection line is electrically isolated. ### Claim 14 (depends on 12) The display device of claim 12, wherein the protection line recess is positioned at a surface or inside of the insulating layer, and extends along the recess in the non-display area, and the protection line extends along the recess. ### Claim 15 (depends on 14) The display device of claim 14, wherein the protection line extends substantially parallel to the crack-sensing line. ### Claim 16 (depends on 15) The display device of claim 15, wherein each of the pixels includes one or more thin film transistors, each thin film transistor includes a gate electrode as a control terminal, a source electrode as an input terminal, an active layer as a channel unit, and a drain electrode as an output terminal, and the protection line comprises the same material as that of at least one of the gate electrode, the source electrode, and the drain electrode. ### Claim 17 A display device comprising: a substrate including a display area having a plurality of pixels to display images, and a non-display area surrounding the display area; an insulating layer disposed in the non-display area and including a recess; a crack-sensing line disposed in and extending along the recess, and electrically connected to at least one of the pixels; and at least one dam adjacent to the crack-sensing line, wherein the dam is disposed at a surface or inside of the insulating layer, and wherein the recess is disposed at a surface or inside of the insulating layer, and extends along the non-display area, wherein each of the pixels includes one or more thin film transistors, wherein each thin film transistor includes a gate electrode as a control terminal, a source electrode as an input terminal, an active layer as a channel unit, and a drain electrode as an output terminal, and wherein the dam comprises the same material as that of at least one of the gate electrode, the source electrode, and the drain electrode. ### Claim 18 (depends on 17) The display device of claim 17, wherein the dam comprises a plurality of dams disposed at opposite sides of the crack-sensing line. ### Claim 19 (depends on 17) The display device of claim 17, wherein the crack-sensing line comprises a plurality of crack-sensing lines, and the at least one dam is disposed between the crack-sensing lines. ### Claim 20 (depends on 17) The display device of claim 17, wherein the at least one dam is electrically isolated.