System for manufacturing optical display device
US7980285B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2010 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Apr 29, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1476
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A system for manufacturing an optical display device having an optical display unit and an optical film bonded thereto and including a polarizing plate, the system including: a first cutting and bonding unit which performs a process including unwinding a long sheet material from a first roll of the long sheet material, wherein the long sheet material includes a first optical film, a pressure-sensitive adhesive layer and a release film laminated in this order; a second cutting and bonding unit which performs a process including unwinding a long sheet material from a second roll of the long sheet material, wherein the long sheet material includes a second optical film, a pressure-sensitive adhesive layer and a release film laminated in this order; and a turning unit which turns the optical display unit to the direction of bonding in the other cutting and bonding unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.