TAC base for cycloolefin polymer bonding, TAC bonding member, and liquid crystal display device
A cycloolefin-based polymer technology, applied in the field of liquid crystal display devices, can solve the problems of special equipment, damage to polarization, and prolongation of the process, and achieve the effects of enhanced bonding strength, excellent exhaust, and improved transparency
Inactive Publication Date: 2014-07-16
ALPS ALPINE CO LTD
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0006] In the following patent document 1, although the bubble release property is good, but in view of its combination, it can only be bonded by applying heat above 100°C. Therefore, if it is applied to the processing of a polarizing plate, the polarizing property will be damaged by heating. therefore not applicable
In addition, since one surface of the substrate sheet must be subjected to corona treatment, plasma treatment, spray treatment and other easy-adhesion treatment, there are problems such as prolonging the process or requiring special equipment.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0115] (adhesive layer)
[0116] In the examples, an adhesive sheet made of a polymer (styrene-based thermoplastic elastomer), paraffin, and toluene was used. Adjustments were made so that the mixing ratio of the polymer, paraffin, and toluene was 10% by weight, 20% by weight, and 70% by weight. The adjusted sample was thoroughly stirred, and the above-mentioned adjusted coating solution was coated on a TAC film (FUJITAC: 80 μm) with a laboratory automatic coater so that the film thickness after drying was 30 μm. Dry at room temperature for 1 minute to form an adhesive layer, and leave to stand for 100 seconds in a hot air dryer set at 80° C. to remove the solvent toluene. Then, the TAC film was taken out from the drier, and a spacer (silica gel PET (Silicompet) 100 μm) was laminated to prepare a sample.
[0117] (Exhaust performance evaluation)
[0118] A rectangular test piece with a width of 10 mm and a length of 250 mm was cut out from the TAC adhesive sheet to be evalu...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
| thickness | aaaaa | aaaaa |
Login to View More
Abstract
The present invention provides a TAC base material for cycloolefin-based polymer adhesion that is excellent in venting when pasting, excellent in transparency and bonding workability, and capable of increasing adhesive strength without impairing polarization after bonding , TAC bonding parts and liquid crystal display devices. The TAC base material for cycloolefin-based polymer bonding of the present invention has an adhesive layer on the surface of the TAC base material, and the above-mentioned adhesive layer contains: paraffin or cycloalkane; and an adhesion aid, TAC polymer, cycloolefin polymer At least any one of polymers, cycloolefin copolymers, macromers or thermoplastic elastomers, thereby realizing a TAC substrate that can be firmly bonded to cycloolefin polymers.
Description
technical field [0001] The present invention relates to an environment used in various displays such as liquid crystal displays used as liquid crystal display devices such as televisions, computers, car navigation systems, car dashboards, cash automatic teller machines (hereinafter referred to as ATM), mobile phones, etc. TAC substrates for bonding olefin-based polymers, TAC bonding parts, and liquid crystal display devices. Background technique [0002] Conventionally, liquid crystal display devices are widely known as displays used in televisions, computers, car navigation systems, vehicle dashboards, ATMs, mobile phones, and the like. This liquid crystal display device includes a liquid crystal cell having a liquid crystal layer formed between a pair of substrates, and a backlight unit that irradiates light from one surface side of the liquid crystal cell to the liquid crystal cell. [0003] Backlight units are known mainly of a direct type and an edge type. Since the d...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/02C09J11/06C09J123/00C09J153/02C09J201/00C09J7/22C09J7/38
CPCC09J7/0246C09J7/0264C09J2401/006C09J145/00C09J2203/318C09J2400/22C09J7/38C09J7/22
Inventor 谷口义尚田口好弘丸野正德吉田纯
Owner ALPS ALPINE CO LTD