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US 11,078,324 B2Granted
Seal material composition, liquid crystal cell, and scanned antenna
AssigneeSharp Kabushiki Kaisha
InventorsMasanobu Mizusaki, Tadashi Ohtake
Life of this patent
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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.
Claims18
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
3 more elements
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.
8 more elements
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.
3 more elements
Dependencies are inferred from the claim text.