# US 12,182,348 B2 · Sensor device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,182,348 B2 - Document ID: US12182348B2 - Status: Granted - Kind: B2 - Application number: 18/464,386 - Filed: 2023-09-11 - Published: 2023-12-28 - Granted: 2024-12-31 - Earliest claimed: 2018-03-09 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Yuko Matsumoto; Hajime Akimoto; Mitsuhide Miyamoto; Yusuke Tada - Web page: https://patentgrep.com/patent/US12182348B2 ## CPC - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G09F 9/00: Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements (in which the variable information is permanently attached to a movable support G09F11/00; abacus G06C1/00; slide-rules G06G1/00) - G09F 9/30: in which the desired character or characters are formed by combining individual elements (panels comprising a number of electrodes in a single cell controlling light arriving from an independent light source, e.g. electro-optical or magneto-optical cell, G02F1/00) - H05B 33/04: Sealing arrangements {, e.g. against humidity} - H05B 33/06: Electrode terminals - H05B 33/10: Apparatus or processes specially adapted to the manufacture of electroluminescent light sources - H10K 59/1201: {Manufacture or treatment} - H10K 59/40: OLEDs integrated with touch screens - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 71/233: {by photolithographic etching} - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract The method for manufacturing a display device includes forming a light emitting element and a terminal on a substrate, forming a sealing film including a first inorganic insulating film and a second inorganic insulating film to cover the light emitting element and the terminal, forming a resist having a taper shape in which a thickness of an end portion on the sealing film becomes thinner as it goes to the terminal side by using a gray-tone mask, forming a taper shape in which thicknesses in end portions of the first inorganic insulating film and the second inorganic insulating film becomes thinner as it goes to the terminal side by etching, forming a touch electrode above the sealing film and forming wiring connected to the terminal via the end portions together with connecting to the touch electrode for detecting a touched position. ## Claims ### Claim 1 A sensor device comprising: a substrate; a terminal positioned on the substrate; an insulating film positioned on the substrate and including at least one inorganic insulating film; a touch sensor including a touch electrode positioned on the insulating film; and a wiring connecting the touch electrode with the terminal, wherein an end portion of the at least one inorganic insulating film has a first area and a second area, the first area and the second area continuously form an outermost border of the insulating film and a part of the outermost border of the insulating film, the first area has a first taper shape having a first taper angle, a thickness of the first taper shape decreasing as the first taper shape goes to an end of the substrate, the second area has a second taper shape having a second taper angle, a thickness of the second taper shape decreasing as the second taper shape goes to the end of the substrate, the second taper angle is larger than the first taper angle, and the wiring overlaps the first area and does not overlap the second area. ### Claim 2 (depends on 1) The sensor device according to claim 1, wherein the end portions have a side overlapping the wiring, and the first area includes an entirety of the side. ### Claim 3 (depends on 1) The sensor device according to claim 1, wherein the first area protrudes from a side of the second area toward a side of the touch electrode. ### Claim 4 (depends on 1) The sensor device according to claim 1, wherein the first area protrudes from a side of the touch electrode toward a side of the second area. ### Claim 5 A sensor device comprising: a substrate; a terminal positioned on the substrate; an insulating film positioned on the substrate and including at least one inorganic insulating film; a touch sensor including a touch electrode positioned on the insulating film; and a wiring connecting the touch electrode with the terminal, wherein an end portion of the at least one inorganic insulating film has a first area and a second area, the first area has a first taper shape having a first taper angle, a thickness of the first taper shape decreasing as the first taper shape goes to a side of the terminal, the second area has a second taper shape having a second taper angle, a thickness of the second taper shape decreasing as the second taper shape goes to the side of the terminal, the second taper angle is larger than the first taper angle, and the wiring overlaps the first area and does not overlap the second area. ### Claim 6 (depends on 5) The sensor device according to claim 5, wherein the end portions have a side overlapping the wiring, and the first area includes an entirety of the side. ### Claim 7 (depends on 5) The sensor device according to claim 5, wherein the first area protrudes from a side of the second area toward a side of the touch electrode. ### Claim 8 (depends on 5) The sensor device according to claim 5, wherein the first area protrudes from a side of the touch electrode toward a side of the second area. ### Claim 9 A sensor device comprising: a substrate; a terminal positioned on the substrate; an insulating film positioned on the substrate and including at least one inorganic insulating film; a touch sensor including a touch electrode positioned on the insulating film; and a wiring connecting the touch electrode with the terminal, wherein an end portion of the at least one inorganic insulating film has a first area and a second area, the first area has a first taper shape having a first taper angle, a thickness of the first taper shape decreasing as the first taper shape goes to end of the substrate, the second area has a second taper shape having a second taper angle, a thickness of the second taper shape decreasing as the second taper shape goes to the end of the substrate, the second taper angle is larger than the first taper angle, and the wiring overlaps the first area and does not overlap the second area. ### Claim 10 (depends on 9) The sensor device according to claim 9, wherein the end portions have a side overlapping the wiring, and the first area includes an entirety of the side. ### Claim 11 (depends on 9) The sensor device according to claim 9, wherein the first area protrudes from a side of the second area toward a side of the touch electrode. ### Claim 12 (depends on 9) The sensor device according to claim 9, wherein the first area protrudes from a side of the touch electrode toward a side of the second area.