# US 11,309,381 B2 · Liquid crystal display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,309,381 B2 - Document ID: US11309381B2 - Status: Granted - Kind: B2 - Application number: 17/131,961 - Filed: 2020-12-23 - Published: 2021-04-15 - Granted: 2022-04-19 - Earliest claimed: 2016-08-31 - Assignees: Japan Display Inc. - Applicants: Japan Display inc. - Inventors: Naoki Miyanaga - Web page: https://patentgrep.com/patent/US11309381B2 ## CPC - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)} - G02F 1/1343: Electrodes {(reflective electrodes G02F1/133553)} - G02F 1/1345: Conductors connecting electrodes to cell terminals - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G02F 1/133337: {Layers preventing ion diffusion, e.g. by ion absorption} - H10K: ORGANIC ELECTRIC SOLID-STATE 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 ## Abstract A display device having a display region and a peripheral region in contact with the display region above a substrate is provided. The display region has a plurality of pixels each including a transistor, an insulating film above the transistor, a pixel electrode arranged above the insulating film and electrically connected to the transistor, and a common electrode above the insulating film, a video signal line and a gate signal line electrically connected to the transistor, and liquid crystal layer above the plurality of pixels. The peripheral region has a terminal electrically connected to the video signal line, a wiring arranged parallel to the gate wiring between the display region and the terminal, and a plurality of first electrodes above the wiring. The insulating film covers the wiring, and the wiring is electrically connected to the plurality of first electrodes via an opening in the insulating film. ## Claims ### Claim 1 A display device comprising: a substrate; a planarization film above the substrate; pixels located over the substrate and arranged in a display region of the substrate; terminals located over the substrate and arranged in a first direction outside the display region; and a first conductive oxide film above and in contact with the planarization film, wherein the first conductive oxide film has a first electrode and a second electrode, the first electrode has a plurality of openings located between the display region and the terminals and arranged in the first direction, and the second electrode is located in one of the plurality of openings. ### Claim 2 (depends on 1) The display device of claim 1, further comprising a passivation film, wherein the first conductive oxide film is sandwiched between the planarization film and the passivation film. ### Claim 3 (depends on 2) The display device of claim 2, further comprising a first metal line extending in the first direction, wherein the first metal line overlaps the plurality of openings and traverses the plurality of openings in the first direction. ### Claim 4 (depends on 3) The display device of claim 3, wherein the first metal line is sandwiched between the substrate and the planarization film, and the second electrode is in contact with the first metal line in a hole formed in the planarization film and overlapping the opening. ### Claim 5 (depends on 1) The display device of claim 1, further comprising a passivation film, wherein the first electrode and the second electrode are separated from each other, the passivation film covers the first electrode and the second electrode, and the passivation film is in contact with the planarization film between the first electrode and the second electrode. ### Claim 6 (depends on 5) The display device of claim 5, further comprising a first orientation film covering the first electrode and the second electrode. ### Claim 7 (depends on 4) The display device of claim 4, further comprising: a counter substrate above the first substrate; a seal between the substrate and the counter substrate; and a liquid crystal layer surrounded by the seal, wherein the plurality of openings is surrounded by the seal and is located outside the display region. ### Claim 8 A display device comprising: a substrate; a planarization film above the substrate; pixels located over the substrate and arranged in a display region of the substrate; terminals located over the substrate and arranged in a first direction outside the display region; and a first conductive oxide film above and in contact with the planarization film, wherein the first conductive oxide film has a first electrode and a plurality of second electrodes, the first electrode has a plurality of openings located between the display region and the terminals and arranged in the first direction, and the plurality of second electrodes is located in the respective openings. ### Claim 9 (depends on 8) The display device of claim 8, further comprising a passivation film, wherein the first conductive oxide film is sandwiched between the planarization film and the passivation film. ### Claim 10 (depends on 9) The display device of claim 9, further comprising a first metal line extending in the first direction, wherein the first metal line overlaps the plurality of openings and traverses the plurality of openings in the first direction, and the first metal line overlaps the plurality of second electrodes and traverses the plurality of second electrodes in the first direction. ### Claim 11 (depends on 10) The display device of claim 10, wherein the first metal line is sandwiched between the substrate and the planarization film, and the plurality of the second electrodes is in contact with the first metal line via a plurality of holes formed in the planarization film and overlapping the plurality of openings. ### Claim 12 (depends on 8) The display device of claim 8, further comprising a passivation film, wherein the first electrode is separated from the plurality of second electrodes, the passivation film covers the first electrode and the plurality of second electrodes, and the passivation film is in contact with the planarization film between the first electrode and the plurality of second electrodes. ### Claim 13 (depends on 12) The display device of claim 12, further comprising a first orientation film covering the first electrode and the plurality of second electrodes. ### Claim 14 (depends on 11) The display device of claim 11, further comprising: a counter substrate above the first substrate; a seal between the substrate and the counter substrate; and a liquid crystal layer surrounded by the seal, wherein the plurality of openings is surrounded by the seal and is located outside the display region.