Photo-alignment device and photo-alignment method
US12189148B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 9, 2021 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Jan 12, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133788
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure relates to the field of display technology. Provided are a photo alignment device and a photo-alignment method. The photo alignment device comprises a worktable; at least two light source modules arranged along a first direction; at least two light-shielding modules arranged along the first direction; and at least two light-polarizing modules arranged along the first direction, wherein the light-polarizing modules at least comprises a first light-polarizing module and a second light-polarizing module whose light-polarizing directions are different, the light-shielding modules comprise at least two light-shielding plates that are movable, the light source modules, the light-polarizing modules and the light-shielding modules are able to form a plurality of working modules, and one of the working modules comprises one of the light-polarizing modules, one of the light source modules and one of the light-shielding module The photo-alignment device can improve the efficiency of manufacturing photo alignment films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.