SEALING MATERIAL COMPOSITION, LIQUID CRYSTAL CELL AND SCANNING ANTENNA

• US 20200133039A1
• Filed: 07/06/2018
• Published: 04/30/2020
• Est. Priority Date: 07/14/2017
• Status: Active Grant

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: MIZUSAKI, MASANOBU
• Granted Patent: US 11,656,503 B2
• Time in Patent Office: Days
• CPC Class Codes: B32B 2457/20 Displays, e.g. liquid crystal displays, plasma displays
• CPC Class Codes: B32B 2457/202 LCD, i.e. liquid crystal displays
• CPC Class Codes: C08G 63/08 Lactones or lactides
• CPC Class Codes: C09K 2323/05 Bonding or intermediate layer characterised by chemical composition, e.g. sealant or spacer
• CPC Class Codes: C09K 2323/055 Epoxy
• CPC Class Codes: C09K 3/10 Materials in mouldable or extrudable form for sealing or packing joints or covers filling pastes C09D5/34
• CPC Class Codes: G02F 1/133711 by organic films, e.g. polymeric films
• CPC Class Codes: G02F 1/1339 Gaskets; Spacers; Sealing of cells
• CPC Class Codes: G02F 1/134309 characterised by their geometrical arrangement
• CPC Class Codes: H01L 27/1248 with a particular composition or shape of the interlayer dielectric specially adapted to the circuit arrangement
• CPC Class Codes: H01L 29/78603 characterised by the insulating substrate or support H01L29/78657 takes precedence
• CPC Class Codes: H01L 29/78696 characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel H01L29/78612 takes precedence; transistors having a drain offset region or a lightly doped drain [LDD] H01L29/78621
• CPC Class Codes: H01Q 13/103 with variable reactance for tuning the antenna tuning resonant circuits H03J
• CPC Class Codes: H01Q 21/0012 Radial guide fed arrays
• CPC Class Codes: H01Q 21/0087 Apparatus or processes specially adapted for manufacturing antenna arrays manufacturing waveguides H01P11/00
• CPC Class Codes: H01Q 21/064 using horn or slot aerials slotted waveguides arrays H01Q21/005
• CPC Class Codes: H01Q 3/34 by electrical means active lenses or reflecting arrays H01Q3/46
• CPC Class Codes: H01Q 3/44 varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element

Abstract

The sealing material composition of the present disclosure includes a lactone-based compound having at least two functional groups A represented by the Chemical Formula (1) and a curing agent that is thermally reactive with the lactone-based compound and contains a compound having at least two of one or more kinds of functional groups B selected from the group consisting of a mercaptan group, a hydroxyl group, and a secondary amine group.

• • where, a is an integer of 0 or 1, and * is an atomic bond.

Claims

1. A sealing material composition comprising:

a lactone-based compound having at least two functional groups A represented by Chemical Formula (1); and

a curing agent being thermally reactive with the lactone-based compound and comprising a compound comprising at least two of one or more kinds of functional groups B selected from the group consisting of a mercaptan group, a hydroxyl group, and a secondary amine group,

2. The sealing material composition according to claim 1,

wherein the lactone-based compound comprises an enol lactone-based compound for which a in Formula (1) is 0.

3. The sealing material composition according to claim 1,

wherein the curing agent comprises a mercaptan group-containing compound for which the functional group B is the mercaptan group.

4. The sealing material composition according to claim 1,

wherein the curing agent comprises a secondary amine group-containing compound for which the functional group B is the secondary amine group.

5. A liquid crystal cell comprising:

a liquid crystal layer;

a pair of mutually facing substrates comprising a first substrate and a second substrate, sandwiching the liquid crystal layer; and

a sealing material comprising a cured product of the sealing material composition described in claim 1, and interposed between the pair of substrates in a manner of adhering to each of the pair of substrates while surrounding the liquid crystal layer.

6. A scanning antenna having a plurality of antenna units arranged therein, the scanning antenna comprising:

a TFT substrate comprising a first dielectric substrate, a plurality of TFTs supported by the first dielectric substrate, and a plurality of patch electrodes electrically connected to the TFTs;

a slot substrate comprising a second dielectric substrate and a slot electrode comprising a plurality of slots formed on a first main surface of the second dielectric substrate;

a liquid crystal layer provided between the TFT substrate and the slot substrate;

a reflective conductive plate disposed in a manner of opposing a second main surface opposite the first main surface of the second dielectric substrate with a dielectric layer interposed therebetween; and

a sealing material comprising a cured product of the sealing material composition described in claim 1, the sealing material being interposed between the TFT substrate and the slot substrate in a manner of adhering to each of the TFT substrate and the slot substrate while surrounding the liquid crystal layer.

7. The scanning antenna according to claim 6,

wherein the liquid crystal layer comprises an isothiocyanate group-containing liquid crystal compound.

8. The scanning antenna according to claim 7,

wherein the isothiocyanate group-containing liquid crystal compound comprises a structure represented by Chemical Formula (2-1) or (2-2) below,