Liquid crystal indicator, preferably for motor vehicles

US5063379A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Ehrenfried Fabry · Nuremberg, DE
• Georg Goddard · Wendelstein, DE
• Dieter Meyer · Wolfsburg, DE
• Hans Petermann · Buxtehude, DE
• Bernhard Pirkl · Nürnberg, DE
• Werner Wiedemann · Garching bei München, DE

Key dates

• Filing date: Apr 21, 1989
• Grant date: Nov 5, 1991
• Expiry date: Apr 21, 2009

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60K35/22
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A display device for measured values, function, status and trouble indications and the like comprising at least one liquid crystal cell having areas with different coloration of the indications, a light guide extending along at least one of these areas at the back side of the liquid crystal cell for enabling different coloration of the one area and a light source arranged at an end area of the light guide for illuminating the liquid crystal cell.