Rubbing alignment equipment
US10139682B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 14, 2016 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Jan 24, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2505/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a rubbing alignment equipment, which belongs to the field of rubbing alignment technology and can solve the problem of badness of an alignment film during rubbing alignment due to the badness of the existing rubbing cloth. The rubbing alignment equipment of the invention comprises a rubbing roller, which comprises a roll shaft and rubbing cloth wound on the outer surface of the roll shaft, the rubbing cloth is doped with quantum dots, the rubbing alignment equipment further comprises an excitation light source, which can excite the quantum dots to emit light to detect whether the surface of the rubbing cloth has badness or not. The rubbing alignment equipment can well detect whether the rubbing cloth has badness or not.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.