# US 10,768,731 B2 · Display device capable of reducing or minimizing deterioration of touch sensitivity when at least one of a device substrate and a cover substrate is deformed 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 10,768,731 B2 - Document ID: US10768731B2 - Status: Granted - Kind: B2 - Application number: 16/132,694 - Filed: 2018-09-17 - Published: 2019-03-28 - Granted: 2020-09-08 - Earliest claimed: 2017-09-27 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Young-Sub Shin; Byong-Hoo Kim - Web page: https://patentgrep.com/patent/US10768731B2 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - H10K 59/40: OLEDs integrated with touch screens - H10K 59/873: {Encapsulations} - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display device and method of manufacturing the same are provided. A display device includes: a device substrate, a light-emitting element on the device substrate, an encapsulating structure on the light-emitting element, a touch structure on the encapsulating structure, an elastic insulating layer on the touch structure, the elastic insulating layer including an elastic material, and a high-permittivity particles dispersed in the elastic insulating layer. ## Claims ### Claim 1 A display device, comprising: a device substrate; a light-emitting element on the device substrate; an encapsulating structure on the light-emitting element; a touch structure on the encapsulating structure, the touch structure comprising: touch electrodes; bridge electrodes respectively connecting two adjacent touch electrodes; a touch insulating layer between the touch electrode and the bridge electrodes; and routing lines electrically connecting the touch electrodes to pads; an elastic insulating layer on the touch structure, the elastic insulating layer comprising an elastic material; and high-permittivity particles dispersed in the elastic insulating layer, wherein the routing lines extend along a side surface of the encapsulating structure, wherein each of the high-permittivity particles comprises: a core, and a shell surrounding the core, and wherein the shell comprises one or more of: an epoxy-based material and an acryl co-polymer. ### Claim 2 (depends on 1) The display device of claim 1, wherein a thickness of the elastic insulating layer is 10 μm to 25 μm. ### Claim 3 (depends on 1) The display device of claim 1, wherein the core comprises a metal oxide. ### Claim 4 (depends on 3) The display device of claim 3, wherein the metal oxide comprises lanthanum (La). ### Claim 5 (depends on 1) The display device of claim 1, further comprising: a polarizing film on the elastic insulating layer, wherein the elastic insulating layer comprises a side surface vertically aligned with a side surface of the polarizing film. ### Claim 6 (depends on 1) The display device of claim 1, wherein: the bridge electrodes are disposed between the encapsulating structure and the touch insulating layer; and the elastic insulating layer directly contacts the touch electrodes. ### Claim 7 (depends on 1) The display device of claim 1, wherein the elastic insulating layer comprises a resin. ### Claim 8 (depends on 1) The display device of claim 1, further comprising a cover substrate on the elastic insulating layer. ### Claim 9 A method of manufacturing a display device, the method comprising: providing a device substrate; providing a light-emitting element on the device substrate; providing an encapsulating structure on the light-emitting element; providing a touch structure on the encapsulating structure, the touch structure comprising: touch electrodes; bridge electrodes respectively connecting two adjacent touch electrodes; a touch insulating layer between the touch electrode and the bridge electrodes; and routing lines electrically connecting the touch electrodes to pads; providing an elastic insulating layer on the touch structure, the providing the elastic insulating layer comprising providing an elastic material; and providing high-permittivity particles that are dispersed in the elastic insulating layer, wherein the routing lines extend along a side surface of the encapsulating structure, wherein providing each of the high-permittivity particles comprises: providing a core, and providing a shell surrounding the core, and wherein providing the shell comprises providing one or more of: an epoxy-based material and an acryl co-polymer. ### Claim 10 (depends on 9) The method of claim 9, wherein a thickness of the elastic insulating layer is 10 μm to 25 μm. ### Claim 11 (depends on 9) The method of claim 9, wherein providing the core comprises providing a metal oxide. ### Claim 12 (depends on 11) The method of claim 11, wherein providing the metal oxide comprises providing lanthanum (La). ### Claim 13 (depends on 9) The method of claim 9, further comprising: providing a polarizing film on the elastic insulating layer, wherein providing the elastic insulating layer comprises vertically aligning a side surface with a side surface of the polarizing film. ### Claim 14 (depends on 9) The method of claim 9, wherein: the bridge electrode are formed between the encapsulating structure and the touch insulating layer; and the elastic insulating layer directly contacts the touch electrodes. ### Claim 15 (depends on 9) The method of claim 9, wherein providing the elastic insulating layer comprises providing a resin. ### Claim 16 (depends on 9) The method of claim 9, further comprising providing a cover substrate on the elastic insulating layer.