Method for manufacturing bend-aligned liquid crystal cell using light
US5882238A · kind A · utility
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Key dates
| Filing date | Sep 24, 1996 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Sep 24, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1395
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A bend-aligned liquid crystal cell is manufactured by irradiating first and second alignment layers with first and second polarized ultraviolet lights to impart first and second pretilt angles in the first and second alignment layers, and injecting molecules of liquid crystal material between the first and second alignment layers. The alignment layers include polysiloxane based materials or polyvinylfluorocinnamate in which the pretilt angle of the alignment layer is changeable according to the ultraviolet absorption energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.