Display device
US5760851A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 1996 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | May 24, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13336
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A transparency viewing device including a faceplate adapted for mounting at least one transparency thereon, a passive Matrix LCD array comprising a plurality of row electrodes and a plurality of column electrodes separated by liquid crystal material, one of said plurality of electrodes having N electrodes and the other of said plurality of electrodes having M electrodes whereby the intersections of the row and column electrodes define a matrix of M.times.N pixel elements arranged in rows and columns, which pixels are excited by an RMS voltage difference between the two electrodes intersecting a pixel and a driver which electrifies the row and column electrodes such that at least one of a plurality n of the N electrodes or a plurality m of the M electrodes are identically electrified, wherein n.ltoreq.N and m.ltoreq.M.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.