# US 11,078,324 B2 · Seal material composition, liquid crystal cell, and scanned antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,078,324 B2 - Document ID: US11078324B2 - Status: Granted - Kind: B2 - Application number: 16/341,472 - Filed: 2017-10-20 - Published: 2019-09-26 - Granted: 2021-08-03 - Earliest claimed: 2016-10-28 - Assignees: Sharp Kabushiki Kaisha - Applicants: Sharp Kabushiki Kaisha - Inventors: Masanobu Mizusaki; Tadashi Ohtake - Web page: https://patentgrep.com/patent/US11078324B2 ## CPC - C09J 4/00: Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond {; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16} - C08G 59/40: characterised by the curing agents used - C08G 59/4007: {Curing agents not provided for by the groups C08G59/42 - C08G59/66} - C08G 59/4014: {Nitrogen containing compounds} - C08G 59/44: Amides - C09K 3/10: {Materials in mouldable or extrudable form} for sealing or packing joints or covers (filling pastes C09D5/34) - G02F 1/1339: Gaskets; Spacers; Sealing of cells - H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)} - H01Q 3/34: by electrical means (active lenses or reflecting arrays H01Q3/46) - H01Q 3/44: varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element - H01Q 13/22: Longitudinal slot in boundary wall of waveguide or transmission line {(H01Q13/203 takes precedence)} - H01Q 21/06: Arrays of individually energised antenna units similarly polarised and spaced apart - H01Q 21/064: {using horn or slot aerials (slotted waveguides arrays H01Q21/005)} - H01Q 21/065: {Patch antenna array} - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/451: {characterised by the compositions or shapes of the interlayer dielectrics} - H10D 86/481: {integrated with passive devices, e.g. auxiliary capacitors} - H10D 86/60: wherein the TFTs are in active matrices - C09K 2003/1068: {Crosslinkable materials} - C09K 2003/1084: {Laminates} - C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE - 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 - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract A seal material composition according to the present invention includes: an epoxy compound including an epoxy group; and a polymerizable epoxy curing agent including a polymerizable functional group configured for cross-linking the epoxy groups and for radical polymerization in a single molecule. ## Claims ### Claim 1 A seal material composition comprising: an epoxy compound including an epoxy group; and a polymerizable epoxy curing agent including a polymerizable functional group configured for cross-linking the epoxy groups and configured for radical polymerization in a single molecule; wherein the polymerizable epoxy curing agent is made of a compound expressed by the following chemical formula (1-1), (1-2), or (1-3): where in chemical formulas (1-1), (1-2), and (1-3), n is an integer of 0 to 10, R1 is an alkylene group having 1 to 10 carbon atoms or a group represented by the following chemical formula (2), R2 is a group represented by the following chemical formula (3-1), (3-2), (3-3), (3-4), (3-5), or (3-6), R3 is a group represented by the following chemical formula (4-1), (4-2), (4-3), (4-4), (4-5), or (4-6), and P1 and P2 are groups which are represented by the following chemical formula (5-1), (5-2), (5-3), or (5-4) and which may be the same or different from each other ### Claim 2 (depends on 1) The seal material composition according to claim 1, wherein, one of the P1 and P2 is an acryloyl amino group represented by the chemical formula (5-2) or a methacryloyl amino group represented by the chemical formula (5-4). ### Claim 3 (depends on 1) The seal material composition according to claim 1, further comprising a photoradical polymerization initiator that forms a radical by abstracting hydrogen. ### Claim 4 (depends on 3) The seal material composition according to claim 3, wherein the photoradical polymerization initiator includes a polymerizable functional group configured for radical polymerization. ### Claim 5 (depends on 3) The seal material composition according to claim 3, wherein the photoradical polymerization initiator forms a radical via a hydrogen abstraction reaction using light of not less than 400 nm. ### Claim 6 (depends on 1) The seal material composition according to claim 1, further comprising a thermal radical polymerization initiator including a polymerizable functional group configured for radical formation and radical polymerization due to heat. ### Claim 7 (depends on 6) The seal material composition according to claim 6, wherein the thermal radical polymerization initiator is made from a compound expressed by following chemical formula (6-1) or (6-2) ### Claim 8 (depends on 1) A liquid crystal cell comprising: a liquid crystal layer; a pair of substrates including a first substrate and a second substrate facing each other with the liquid crystal layer sandwiched therebetween; and a seal material made of a cured product of the seal material composition according to claim 1, wherein the seal material is interposed between the pair of substrates and adhered to each of the pair of substrates while surrounding the liquid crystal layer. ### Claim 9 A scanned antenna having a plurality of antenna units being arrayed thereon, the scanned antenna comprising: a TFT substrate including a first dielectric substrate, a plurality of TFTs supported on the first dielectric substrate, and a plurality of patch electrodes electrically connected to the TFTs; a slot substrate including a second dielectric substrate and a slot electrode having a plurality of slots formed on a first main surface of the second dielectric substrate; a liquid crystal layer disposed between the TFT substrate and the slot substrate; a reflective conductive plate disposed so as to oppose a second main surface on an opposite side to the first main surface of the second dielectric substrate, with a dielectric material layer therebetween; and a seal material made of a cured product of the seal material composition including: an epoxy compound including an epoxy group; and a polymerizable epoxy curing agent including a polymerizable functional group configured for cross-linking the epoxy groups and configured for radical polymerization in a single molecule; wherein the seal material is interposed between the TFT substrate and the slot substrate and adhered to each of the TFT substrate and the slot substrate while surrounding the liquid crystal layer. ### Claim 10 (depends on 9) The scanned antenna according to claim 9, wherein the liquid crystal layer includes an isothiocyanate group-containing liquid crystal compound. ### Claim 11 (depends on 10) The scanned antenna according to claim 10, wherein the isothiocyanate group-containing liquid crystal compound includes a structure expressed by one of following chemical formulas (7-1) and chemical formula (7-2): where in the chemical formulas (7-1) and (7-2), n1, m2, and n2 are integers of 1 to 5, and H in the phenylene group may be substituted with F or Cl. ### Claim 12 A seal material composition comprising: an epoxy compound including an epoxy group; a polymerizable epoxy curing agent including a polymerizable functional group configured for cross-linking the epoxy groups and configured for radical polymerization in a single molecule; and a photoradical polymerization initiator that forms a radical by abstracting hydrogen; wherein the photoradical polymerization initiator includes a polymerizable functional group configured for radical polymerization. ### Claim 13 (depends on 12) The seal material composition according to claim 12, wherein the polymerizable epoxy curing agent is made of a compound expressed by the following chemical formula (1-1), (1-2), or (1-3): where in chemical formulas (1-1), (1-2), and (1-3), n is an integer of 0 to 10, R1 is an alkylene group having 1 to 10 carbon atoms or a group represented by the following chemical formula (2), R2 is a group represented by the following chemical formula (3-1), (3-2), (3-3), (3-4), (3-5), or (3-6), R3 is a group represented by the following chemical formula (4-1), (4-2), (4-3), (4-4), (4-5), or (4-6), and P1 and P2 are groups which are represented by the following chemical formula (5-1), (5-2), (5-3), or (5-4) and which may be the same or different from each other ### Claim 14 (depends on 13) The seal material composition according to claim 13, wherein, one of the P1 and P2 is an acryloyl amino group represented by the chemical formula (5-2) or a methacryloyl amino group represented by the chemical formula (5-4). ### Claim 15 (depends on 12) The seal material composition according to claim 12, wherein the photoradical polymerization initiator forms a radical via a hydrogen abstraction reaction using light of not less than 400 nm. ### Claim 16 (depends on 12) The seal material composition according to claim 12, further comprising a thermal radical polymerization initiator including a polymerizable functional group configured for radical formation and radical polymerization due to heat. ### Claim 17 (depends on 16) The seal material composition according to claim 16, wherein the thermal radical polymerization initiator is made from a compound expressed by following chemical formula (6-1) or (6-2) ### Claim 18 (depends on 12) A liquid crystal cell comprising: a liquid crystal layer; a pair of substrates including a first substrate and a second substrate facing each other with the liquid crystal layer sandwiched therebetween; and a seal material made of a cured product of the seal material composition according to claim 12, wherein the seal material is interposed between the pair of substrates and adhered to each of the pair of substrates while surrounding the liquid crystal layer.