Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Optical protective film for liquid crystal polarizer

A polarizing plate and protective film technology, applied in the direction of pressure-sensitive film/sheet, film/sheet-like adhesive, paint containing biocide, etc., can solve problems such as complex product structure, achieve simple product structure, reduce surface area The effect of improving the transmittance of the coating

Active Publication Date: 2019-06-04
昆山乐凯锦富光电科技有限公司
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 3. The product structure is complex and requires multiple coating processes

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Optical protective film for liquid crystal polarizer
  • Optical protective film for liquid crystal polarizer
  • Optical protective film for liquid crystal polarizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033]

[0034]

[0035] In the dipentaerythritol pentaerythritol pentaacrylate, hexaacrylate and 10g polyaniline, add the nano-silver wire of 6g (Suzhou cold stone nanometer material science and technology, the average wire diameter is 40nm) and the silica sol of 14g (manufactured by Nissan Chemical, the average particle diameter is 0.01 μm), and added 2g of polyester-modified hydroxyl-functional polydimethylsiloxane (manufactured by BYK, trade name: BYK370) and 1.8g of photoinitiator (manufactured by Tianjin Tianjiao Chemical Co., Ltd., trade name : 184), diluted with 80g of a mixed solvent comprising butanone and isopropanol in a relative weight amount of 7:3 to obtain a coating material, and the material was fully dispersed evenly under high shear.

[0036] The prepared coating composition was applied to one side of a biaxially stretched transparent polyester film (manufactured by Toyobo Co., Ltd.). At 80°C, after drying the formed coating for 1.5min, at 300mj / cm 2 ...

Embodiment 2

[0038]

[0039] To 20g of dipentaerythritol penta- and hexaacrylate and 2g of perfluoroalkyl sulfonic acid, add 3g of nano-silver wire (Suzhou Lengshi Nano Material Technology, the average wire diameter is 40nm) and 10g of silica sol (manufactured by Nissan Chemical Co., Ltd. , with an average particle size of 0.02 μm), and added 1 g of polyester-modified hydroxyl-functional polydimethylsiloxane (manufactured by BYK Chemicals, trade name: BYK370) and 1.0 g of photoinitiator (provided by Tianjin Tianjiao Chemical Co., Ltd. Manufactured by the company, trade name: 184), diluted with 60g of a mixed solvent containing butanone and isopropanol with a relative weight dosage of 7:3 to obtain a coating material, and the material was fully dispersed evenly under high shear.

[0040] The prepared coating composition was applied to one side of a biaxially stretched transparent polyester film (manufactured by Toyobo Co., Ltd.). At 80°C, after drying the formed coating for 1.5min, at 30...

Embodiment 3

[0042]

[0043] To 35g of dipentaerythritol penta- and hexaacrylate and 6g of perfluoroalkyl sulfonic acid, add 1g of nano-silver wire (Suzhou Lengshi Nano Material Technology, the average wire diameter is 40nm) and 3g of silica sol (manufactured by Nissan Chemical Co., Ltd. , with an average particle size of 0.03 μm), and added 1.5 g of polyester-modified hydroxyl-functional polydimethylsiloxane (manufactured by BYK, trade name: BYK370) and 0.2 g of photoinitiator (provided by Tianjin Tianjiao Chemical Co., Ltd., trade name: 184), diluted with 40g of a mixed solvent containing butanone and isopropanol with a relative weight amount of 7:3, to obtain a coating material, and the material was fully dispersed evenly under high shear.

[0044] The prepared coating composition was applied to one side of a biaxially stretched transparent polyester film (manufactured by Toyobo Co., Ltd.). After drying the formed coating at 80°C for 1.5min, at 300mj / cm 2 The amount of light is cure...

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

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
contact angleaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses an optical protection film for a liquid crystal polarizing plate.The protection film is of a multi-layer structure, one face of a two-axis stretching transparent polyester thin film is coated with a functional layer, the function layer has scratch resistance, fouling resistance and the anti-static property, and the other face of the polyester thin film is coated with a pressure-sensitive adhesive layer which is coated with a silicone type release film.According to the protection film, the production structure is simplified, the good scratch resistance, anti-static property and fouling resistance are achieved, the protection film can be attached to the liquid crystal polarizing plate, and whether the liquid crystal polarizing plate has a defect or not is determined through original-sample perspective inspection.

Description

technical field [0001] The invention relates to an optical protective film used for a liquid crystal polarizer, that is, a transparent adhesive film for protecting a liquid crystal polarizer that is directly attached to the liquid crystal polarizer and can be inspected through perspective. Background technique [0002] In liquid crystal polarizers used in liquid crystal display devices, damage, contamination, and adhesion of foreign matter are fatal defects. Therefore, in the manufacturing process, distribution process and assembly process of the liquid crystal polarizing plate, in order to prevent the liquid crystal polarizing plate from being damaged, polluted or attached to foreign matter, measures are usually taken to attach a protective adhesive film to the surface of the liquid crystal polarizing plate. The liquid crystal polarizing plate attached with the protective adhesive film is inspected for defects before being mounted on the liquid crystal display device. Sinc...

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
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/38C09J7/25C09J133/04C08J7/04C09D4/02C09D5/24C09D5/16C09D7/65
CPCC08J7/04C09D4/00C09D5/1681C09D5/24C09D7/65C09J7/385C09J133/04C09J2301/122C09J2301/302C09J2400/10C09J2400/226C09J2467/006
Inventor 鲁若娜王腾常国岭
Owner 昆山乐凯锦富光电科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com