# US 11,906,851 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 11,906,851 B2 - Document ID: US11906851B2 - Status: Granted - Kind: B2 - Application number: 18/303,880 - Filed: 2023-04-20 - Published: 2023-08-10 - Granted: 2024-02-20 - Earliest claimed: 2014-11-21 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Taiki Makino; Tomokazu Ishikawa; Yuki Kuramoto - Web page: https://patentgrep.com/patent/US11906851B2 ## CPC - G02F 1/1339: Gaskets; Spacers; Sealing of cells - G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)} - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - 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 According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width. ## Claims ### Claim 1 A display device comprising: a first substrate comprising a first area and a second area; a second substrate comprising a first substrate end; an organic insulating film formed over the first area and the second area; a plurality of pixels arranged in an active area in the first area; and a mount portion including a plurality of pads to which either a driver IC or a flexible printed circuit board is to be connected; wherein the first area of the first substrate is an area where the second substrate opposes the first substrate, the second area of the first substrate is an area where the first substrate is exposed from the second substrate, the first substrate end is a boundary between the first area and the second area, the organic insulating film includes a groove and an opening, the groove is formed outside of the active area in the first area, the opening is formed at a region where the mount portion is arranged in the second area, and the organic insulating film surrounds the mount portion in the second area. ### Claim 2 (depends on 1) The display device of claim 1, wherein the second area of the first substrate comprises a second substrate end, the second substrate end of the first substrate is parallel to the first substrate end of the second substrate, and the organic insulating film spreads at a space between the second substrate end of the first substrate and the mount portion. ### Claim 3 (depends on 2) The display device of claim 2, wherein the first substrate comprises a long substrate end intersecting the second substrate end of the first substrate, and the groove comprises a first portion that extends parallel to the long substrate end outside of the active area in the first area. ### Claim 4 (depends on 3) The display device of claim 3, wherein a plurality of wirings of wiring group are pulled from the plurality of pads, an outermost wiring of the wiring group is located between the first portion and the active area, the outermost wiring is covered by the organic insulating film in the second area, and the outermost wiring does not overlap the first portion in the first area. ### Claim 5 (depends on 4) The display device of claim 4, wherein the groove comprises a second portion in the first area, the second portion is between the active area and the first substrate end of the second substrate, and the second portion extends in parallel to the first substrate end of the second substrate. ### Claim 6 (depends on 5) The display device of claim 5, wherein the outermost wiring crosses the second portion. ### Claim 7 (depends on 6) The display device of claim 6, wherein the organic insulating film in the first area and the organic insulating film in the second area are separated from each other by the second portion. ### Claim 8 (depends on 3) The display device of claim 3, wherein the organic insulating film spreads at a space between the long substrate end of the first substrate and the mount portion in the second area. ### Claim 9 (depends on 8) The display device of claim 8, wherein the organic insulating film spreads at a space between the first substrate end of the second substrate and the mount portion in the second area. ### Claim 10 (depends on 7) The display device of claim 7, wherein the organic insulating film spreads at a space between the long substrate end of the first substrate and the mount portion in the second area. ### Claim 11 (depends on 10) The display device of claim 10, wherein the organic insulating film spreads at a space between the second portion and the mount portion in the second area. ### Claim 12 (depends on 1) The display device of claim 1, wherein the groove comprises a second portion in the first area, the second portion is between the active area and the first substrate end of the second substrate, and the second portion extends in parallel to the first substrate end of the second substrate. ### Claim 13 (depends on 12) The display device of claim 12, wherein the second portion of the groove has a first width in a direction intersecting the first substrate end of the second substrate, the opening has a second width in the direction intersecting the first substrate end of the second substrate, and the second width is larger than the first width. ### Claim 14 (depends on 12) The display device of claim 12, wherein the second area of the first substrate comprises a third substrate end, the third substrate end of the first substrate is parallel to the first substrate end of the second substrate, and the organic insulating film spreads at a space between the third substrate end of the first substrate and the mount portion.