| Original document(29 pages) 中文版 |
A process for producing a polarizing film, in which even when a raw film of large width is used, there can be obtained a polarizing film not only excelling in optical characteristics but also realizing uniform in-plane optical characteristics. There is provided a process for producing a polarizing film, comprising the dyeing step of dyeing a polymer film, the drawing step of drawing the dyed film and the drying step of drying the film having undergone these steps while conveying the same by rolls, wherein in the drying step, at least two rolls are used as the rolls and the drying is performed under conditions such that the ratio of distance between neighboring rolls (R) to initial width of the polymer film (W), (R/W) is set to fall within the range of 0.5 to 4.0. |
Application Number
申请号 |
200580010683 |
Application Date
申请日 |
2005.03.29 |
| Title 名称 |
Process for producing polarizing film, polarizing film obtained thereby and image display appratus utilizing the same |
Publication Number
公开号 |
1938616 |
Publication Date
公开日 |
2007.03.28 |
| Approval Pub. Date |
|
Granted Pub. Date |
|
| International Classification 分类号 |
G02B5/30;G02F1/1335;H05B33/02;H05B33/14 |
Applicant(s) Name
申请人 |
Nitto Denko Corp. |
| Address 地址 |
|
| Inventor(s) Name 发明人 |
|
| Attorney & Agent 代理人 |
chenyang dun |
| More information 更 多 信 息 |
|
| Related patents information |
Method of producing polarizing film, polarizing film and image display device using the same
Polarizer, optical film using it, and image display using them
Method for manufacturing polarizing film, polarizing film using the same and optical film
Adhesive for polarizing plate, polarizing plate and its manufacturing method and application
Adhesive for polarizing plate, polarizing plate, method for producing same, optical film and image display
Method for manufacturing polarizing plate, polarizing plate, optical film and image display device using them
|
|
|