Method and system for producing liquid crystal panel

Patent metadata

Field	Value
Publication number	US-9348158-B2
Application number	US-201113700170-A
Country	US
Kind code	B2
Filing date	Jun 22, 2011
Priority date	Jun 24, 2010
Publication date	May 24, 2016
Grant date	May 24, 2016

Abstract

An object of the invention is to provide a method and a system for manufacturing a liquid crystal panel, which allow more successful bonding of an optical film to a liquid crystal cell. A pressing force Fa per unit area applied when the optical film is pressed by the first roller and a pressing force Fb per unit area applied when the liquid crystal cell is pressed by the second roller satisfy the relation Fa>Fb. On the first roller side, the feed may fail to be stabilized due to the influence of tension fluctuations or vibration acting on the first optical film, so that air bubbles may occur. When the second roller side, where such an influence does not occur, contributes more to the feed of the liquid crystal cell, the liquid crystal cell can be successfully fed in the process of bonding the optical film thereto.

First claim

The invention claimed is:

1. A method for manufacturing a liquid crystal panel, comprising:
feeding a long laminate from a material roll, the long laminate comprising a release film and an optical film placed on the release film;
cutting the optical film into a predetermined size while leaving the release film uncut;
catching the optical film and a liquid crystal cell between a first roller and a second roller opposed to each other, while peeling off the release film from the…

Assignees

• Hada Kazuya
• Hirata Satoshi
• Kondo Seiji
• Nitto Denko Corp

Inventors

• Hada Kazuya
• Hirata Satoshi
• Kondo Seiji

Classifications

• B29D11/00644

  Operations & Transport · mapped topic

• G02F1/1303 Primary

  Physics · mapped topic

• B29D11/00288

  Operations & Transport · mapped topic

• G02F1/1335 Primary

  Physics · mapped topic

• G02F1/13

  Physics · mapped topic