Liquid crystal display
US8130358B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2007 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Feb 10, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/0235
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal display, using a ferroelectric liquid crystal exhibiting mono-stability, which makes it possible to control the direction of the spontaneous polarization of the ferroelectric liquid crystal. The liquid crystal display includes: a first alignment treatment substrate having a first alignment layer which is a rubbed layer; a second alignment treatment substrate having a second alignment layer which is a photo alignment layer using a photo-dimerization type material; and a liquid crystal layer containing a ferroelectric liquid crystal and held between the first alignment treatment substrate and the second alignment treatment substrate. The ferroelectric liquid crystal exhibits mono-stability, and when a negative voltage is applied to a second electrode layer of the second alignment treatment substrate, a molecular direction of the ferroelectric liquid crystal is changed by about 2 times a tilt angle of the ferroelectric liquid crystal parallel to a surface of the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.