Patent · US Expired

DSTN display with electromagnetic shielding

US7180558B2 · kind B2 · utility

0Cited by

3References

6Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Peter Brandt · Berghausen, DE
Georg Nehm · Niedernberg, DE
Werner Paulsen · Aschaffenburg, DE
Jürgen Wenning · Mainaschaff, DE

Key dates

Filing date	May 28, 2003
Grant date	Feb 20, 2007
Priority date	—
Expiry date	May 28, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG02F2202/22
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to a DSTN display with electromagnetic protection, comprising an active cell (1) and a passive cell (2), whereby the active cell (1) comprises electrodes (12, 13) and the passive cell (2) faces an observer of the display. The passive cell (2) comprises a metallic transparent layer (18, 19). Said metallic layer (18, 19) is electrically connected to a ground potential (G).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.