# US 9,437,667 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,437,667 B2 - Document ID: US9437667B2 - Status: Granted - Kind: B2 - Application number: 14/693,737 - Filed: 2015-04-22 - Published: 2016-05-05 - Granted: 2016-09-06 - Earliest claimed: 2014-10-31 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Dohyun Kwon; Taehyun Kim; Donghwan Shim; Suyeon Sim; Minjung Lee; Sungeun Lee; Jungkyu Lee; Seunghwan Cho - Web page: https://patentgrep.com/patent/US9437667B2 ## CPC - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - H10D 86/443: {adapted for preventing breakage, peeling or short circuiting} - H10D 86/471: {having different architectures, e.g. having both top-gate and bottom-gate TFTs} - H10D 86/481: {integrated with passive devices, e.g. auxiliary capacitors} - H10D 86/60: wherein the TFTs are in active matrices - H10K 59/1216: {the pixel elements being capacitors} - H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - G09G 2300/0426: Layout of electrodes and connections - G09G 2300/0819: used for counteracting undesired variations, e.g. feedback or autozeroing - G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor - G09G 2310/0262: The addressing of the pixel, in a display other than an active matrix LCD, involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependent on signals of two data electrodes - H10D 86/021: {of multiple TFTs} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract A display device is disclosed. In one aspect, the device includes a substrate including a display area displaying an image via a plurality of pixels and a non-display area adjacent to the display area. The device also includes a first line and a second line in the display area. The display device also includes a first connection line and a second connection line in the non-display area, wherein the first and second connection lines are respectively connected to the first and second lines and extend in different directions to cross each other. The display device also includes an insulating layer formed over the substrate and including a first portion and a second portion, the first portion corresponding to the display area and the second portion corresponds to a crossing area where the first and second connection lines cross each other, the thickness of the first and second portions are different. ## Claims ### Claim 1 A display device comprising: a substrate including i) a display area configured to display an image via a plurality of pixels and ii) a non-display area adjacent to the display area; a first line and a second line formed in the display area, and wherein each of the first and second lines is configured to transfer an electrical signal to the pixels; a first connection line and a second connection line formed in the non-display area, wherein the first and second connection lines are respectively connected to the first and second lines and extend in different directions to cross each other; and an insulating layer formed over the substrate and including a first portion and a second portion, wherein the first portion corresponds to the display area and the second portion corresponds to a crossing area where the first and second connection lines cross each other, and wherein the thickness of the first portion is different from the thickness of the second portion. ### Claim 2 (depends on 1) The display device of claim 1, wherein the first and second connection lines are formed on different layers, and wherein the second portion of the insulating layer is interposed between the first and second connection lines. ### Claim 3 (depends on 1) The display device of claim 1, further comprising a storage capacitor formed in the display area and including a first electrode and a second electrode formed over the first electrode, wherein the first portion of the insulating layer is interposed between the first and second electrodes. ### Claim 4 (depends on 1) The display device of claims 1, wherein the second portion is thicker than the first portion. ### Claim 5 (depends on 3) The display device of claim 3, wherein the first connection line is formed on the same layer and of the same material as the first electrode, and wherein the second connection line is formed on the same layer and of the same material as the second electrode. ### Claim 6 (depends on 1) The display device of claim 1, wherein each of the pixels is electrically connected to a data line configured to transfer a data signal, a driving voltage line configured to transfer a driving voltage, and an initialization voltage line configured to transfer an initialization voltage, wherein the first line is one of the data line, the driving voltage line, and the initialization voltage line, and wherein the second line is another one of the data line, the driving voltage line, and the initialization voltage line. ### Claim 7 (depends on 1) The display device of claim 1, wherein the first line and the first connection line are formed on different layers and are electrically connected to each other via a first contact hole. ### Claim 8 (depends on 1) The display device of claim 1, wherein the first line and the first connection line are formed on the same layer. ### Claim 9 (depends on 7) The display device of claim 7, wherein the second line and the second connection line are formed on different layers and are electrically connected to each other via a second contact hole. ### Claim 10 (depends on 1) The display device of claim 1, wherein the thickness of the second portion of the insulating layer is substantially equal to or greater than about 2000 Å. ### Claim 11 (depends on 1) The display device of claim 1, wherein the thickness of the first portion of the insulating layer is substantially equal to or less than about 1200 Å. ### Claim 12 A display device comprising: a substrate including i) a display area configured to display an image via a plurality of pixels and ii) a crossing area formed adjacent to the display area; a first line and a second line formed in the display area and the crossing area, wherein the first and second lines at least partially overlap each other in the crossing area; and an insulating layer formed over the substrate and including a first portion and a second portion, wherein the first portion corresponds to the display area and the second portion corresponds to the crossing area, and wherein the thickness of the first portion is different from the thickness of the second portion. ### Claim 13 (depends on 12) The display device of claim 12, wherein the first and second lines are formed on different layers in the crossing area, and wherein the second portion of the insulating layer is interposed between the first and second lines. ### Claim 14 (depends on 12) The display device of claim 12, further comprising a storage capacitor formed in the display area and including a first electrode and a second electrode formed over the first electrode, wherein the first portion of the insulating layer is interposed between the first and second electrodes. ### Claim 15 (depends on 12) The display device of claims 12, wherein the second portion is thicker than the first portion. ### Claim 16 (depends on 14) The display device of claim 14, wherein the first line is formed on the same layer and of the same material as the first electrode in the crossing area, and wherein the second line is formed on the same layer and of the same material as the second electrode in the crossing area. ### Claim 17 (depends on 12) The display device of claim 12, wherein each of the pixels is electrically connected to a data line configured to transfer a data signal, a driving voltage line configured to transfer a driving voltage, and an initialization voltage line configured to transfer an initialization voltage, wherein the first line is one of the data line, the driving voltage line, and the initialization voltage line, and wherein the second line is another one of the data line, the driving voltage line, and the initialization voltage line. ### Claim 18 (depends on 12) The display device of claim 12, wherein a first portion of the first line in the display area and a second portion of the first line in the crossing area are formed on different layers and are electrically connected to each other via a first contact hole, and wherein a first portion of the second line in the display area and a second portion of the second line in the crossing area are formed on different layers and are electrically connected to each other via a second contact hole. ### Claim 19 (depends on 12) The display device of claim 12, wherein the thickness of the second portion of the insulating layer is substantially equal to or greater than about 2000 Å. ### Claim 20 (depends on 12) The display device of claim 12, wherein the thickness of the first portion of the insulating layer is substantially equal to or less than about 1200 Å.