Patent ID: 6678033
Filing Date: 2004-01-13
Classification: G02F

Abstract:
A display device, in particular for a vehicle, comprising a screen which has a liquid crystal cell, with the liquid crystal cell having a front and a rear cell wall and a liquid crystal substance arranged in a cell space between said cell walls, and a heating apparatus by which the display device can be heated, wherein the heating apparatus (11; 20; 28) is arranged in the cell space of the liquid crystal cell (1; 12, 13; 42) directly or indirectly on a front (2; 17; 39) and/or on a rear (3; 13; 40) cell wall, and wherein the heating apparatus (11; 20; 28) is operated with an AC voltage; and wherein the AC voltage which operates the heating apparatus (11; 20; 28) has a DC voltage component of no more than 100 mV.