Liquid crystal electro-optical device having columnar glass fibers and glass balls in the sealing portion
US5481388A · kind A · utility
5Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 18, 1994 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Apr 18, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1339
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A uniform gap thickness is maintained in a liquid crystal cell by introducing, into a sealing portion of the cell, between two substrates, glass balls having a diameter substantially equal to the desired gap space between the substrates and columnar glass fibers. The combination of the balls and the fibers enables the quality of the image produced by the liquid crystal cell to be improved. In particular, the image quality is made more uniform in color tome and contrast.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.