Method of manufacturing plasma addressed liquid crystal display
US5997379A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1999 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Feb 18, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2217/4025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A plasma addressed liquid crystal display device having a flat panel structure where a liquid crystal cell is superposed on a plasma cell. The liquid crystal cell comprises a front substrate with data electrodes arranged in columns, an intermediate substrate bonded to the front substrate via a predetermined gap, and a liquid crystal filled in the gap. The plasma cell comprises a rear substrate joined to the intermediate substrate via a predeter- mined space, and discharge channels formed in the space and arranged in rows. The intermediate substrate is dimensionally so set as to include an overlapping planar region of the front substrate and the rear substrate which are different in shape from each other. And spacer particles for prescribing the gap dimension in the liquid crystal cell are existent between the intermediate and front substrates over the planar region. Further a plurality of barrier ribs for prescribing the space dimension in the plasma cell are existent between the intermediate and rear substrates over the planar region. In this display device, the gap in the liquid crystal cell is rendered dimensionally uniform, and breakage of the intermediate substrate is preventa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.