# US 10,310,692 B2 · Display device, touch panel and method of manufacturing display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,310,692 B2 - Document ID: US10310692B2 - Status: Granted - Kind: B2 - Application number: 15/937,244 - Filed: 2018-03-27 - Published: 2018-10-04 - Granted: 2019-06-04 - Earliest claimed: 2017-03-28 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Yoichi Kamijo; Yoshikatsu Imazeki; Shuichi Osawa; Yoshihiro Watanabe - Web page: https://patentgrep.com/patent/US10310692B2 ## 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 3/0445: {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} - H05K 1/115: {Via connections; Lands around holes or via connections (H05K1/112 takes precedence)} - H05K 1/144: {Stacked arrangements of planar printed circuit boards} - H05K 3/4053: {by thick-film techniques} - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - H05K 2201/09827: Tapered, e.g. tapered hole, via or groove - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract According to one embodiment, a display device includes an organic insulating layer located between an first basement and an second basement, a first hole penetrating the second basement and the organic insulating layer, a connecting material provided via the first hole to electrically connects a first terminal and a second terminal to each other and a filling member covering the connecting material and filled in the first hole, and the protective member includes an exposure area in which the filling member is disposed, and a thickness from the second basement to an upper surface of the filling member is substantially equal to a thickness from the second basement to an upper surface of the protective member. ## Claims ### Claim 1 A display device comprising: a first substrate including a first basement and a first terminal; a second substrate including a second basement, a second terminal and a protective member disposed above the second basement, the second substrate opposing the first substrate; an organic insulating layer located between the first basement and the second basement; a first hole penetrating the second basement and the organic insulating layer; a connecting material provided to the first hole to electrically connects the first terminal and the second terminal to each other; and a filling member covering the connecting material and filled in the first hole; wherein the protective member comprising an exposure area exposing the first hole and an area of the second basement surrounding the first hole, the filling member being disposed in the exposure area, and a thickness from the second basement to an upper surface of the filling member being substantially equal to a thickness from the second basement to an upper surface of the protective member. ### Claim 2 (depends on 1) The display device of claim 1, wherein the exposure area extends in a direction separating from the first hole in plan view. ### Claim 3 (depends on 2) The display device of claim 2, wherein the filling member extends along a direction in which the exposure area extends. ### Claim 4 (depends on 1) The display device of claim 1, wherein the exposure area extends to an end of the second basement. ### Claim 5 (depends on 1) The display device of claim 1, further comprising: a detection electrode connected to the second terminal, wherein a width of the filling member between the detection electrode and the first hole is less than a width of the filling member between the first hole and an end of the second basement. ### Claim 6 (depends on 1) The display device of claim 1, further comprising: a second hole disposed by the first hole; wherein the exposure area includes the second hole and a region between the first hole and the second hole, and the filling member is filled in the second hole and also disposed between the first hole and the second hole. ### Claim 7 (depends on 1) The display device of claim 1, further comprising: a film attached on the upper surface of the filling member and the upper surface of the protective member. ### Claim 8 (depends on 1) The display device of claim 1, wherein the first substrate comprises a pixel electrode and a common electrode opposing the pixel electrode. ### Claim 9 A touch panel comprising: a first substrate including a first basement, a first terminal and a drive electrode connected to the first terminal; a second substrate including a second basement, a second terminal, a detection electrode opposing the drive electrode and connected to the second terminal, a protective member covering the second basement and the detection electrode, the second substrate opposing the first substrate; an organic insulating layer located between the first basement and the second basement; a first hole penetrating the second basement and the organic insulating layer; a connecting material provided to the first hole to electrically connect the first terminal and the second terminal to each other; and a filling member covering the connecting material and filled in the first hole, wherein the protective member including an exposure area exposing the first hole and an area of the second basement surrounding the first hole, the filling member being disposed in the exposure area, and a thickness from the second basement to an upper surface of the filling member being substantially equal to a thickness from the second basement to an upper surface of the protective member. ### Claim 10 (depends on 9) The touch panel of claim 9, wherein the exposure area extends in a direction separating from the first hole in plan view. ### Claim 11 (depends on 10) The touch panel of claim 10, wherein the filling member extends along a direction in which the exposure area extends. ### Claim 12 (depends on 9) The touch panel of claim 9, wherein the exposure area extends to an end of the second basement. ### Claim 13 (depends on 9) The touch panel of claim 9, wherein a width of the filling member between the detection electrode and the first hole is less than a width of the filling member between the first hole and an end of the second basement. ### Claim 14 (depends on 9) The touch panel of claim 9, further comprising: a second hole disposed by the first hole; wherein the exposure area includes the second hole and a region between the first hole and the second hole, and the filling member is filled in the second hole and also disposed between the first hole and the second hole. ### Claim 15 (depends on 9) The touch panel of claim 9, further comprising: a film attached on the upper surface of the filling member and the upper surface of the protective member. ### Claim 16 A method of manufacturing a display device comprising: a first substrate including a first basement and a first terminal; a second substrate including a second basement, a second terminal and a protective member disposed above the second basement, the second substrate opposing the first substrate; an organic insulating layer located between the first basement and the second basement; a first hole penetrating the second basement and the organic insulating layer; and a connecting material provided to the first hole to electrically connects the first terminal and the second terminal to each other, the method comprising: descending a nozzle of a dispenser towards the first hole; discharging the filling member from the nozzle to fill the first hole with the filling member; and sliding the nozzle in a direction separating from the first hole. ### Claim 17 (depends on 16) The method of claim 16, wherein a direction of the sliding is a direction towards the end of the second basement. ### Claim 18 (depends on 16) The method of claim 16, wherein a direction of the sliding is a direction parallel to the end of the second basement.