Patent · US Expired

Liquid crystal display with heater

US6128053A · kind A · utility

8Cited by

9References

1Claims

0Family size

Assignee

Mannesmann VDO AG · DE

Inventors

Peter Brandt · Berghausen, DE
Dietmar Tippl · Kelkheim, DE

Key dates

Filing date	Oct 3, 1998
Grant date	Oct 3, 2000
Priority date	—
Expiry date	Oct 3, 2018

Classification

Technology area (CPC G)Physics
CPC primaryG02F2203/09
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A display device, in particular for a vehicle, has a viewing screen including a liquid crystal cell, the liquid crystal cell having a front cell wall and a rear cell wall and a liquid crystal substance arranged in the cell space between these cell walls, and with a heating device by means of which the display device can be heated. In order to ensure reliable operation of the display device even in the case of low temperatures, the heating device is arranged in the cell space of the liquid crystal cell directly or indirectly on the front cell wall and/or the rear cell wall.

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