Rubbing cloth, roller, method of forming LC alignment angle and method of cleaning debris
US9465255B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 12, 2013 |
| Grant date | Oct 11, 2016 |
| Priority date | — |
| Expiry date | Aug 12, 2033 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/60
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A rubbing cloth, a roller, a method of forming an LC alignment angle and a method of cleaning debris are provided. The rubbing cloth is dyed by using a solution dissolved with a dye containing at least one of hydroxyl group and cyano-group. An outer surface of the roller is provided with the rubbing cloth. The method of forming the LC alignment angle forms the LC alignment angle by using a roller with an outer surface wrapped by the rubbing cloth of the present invention. The method of cleaning debris cleans debris by using the rubbing cloth or the roller under illumination condition. They present advantages of excellent cleaning effect, simple implementation and low cost.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.