Display assemblies

Details Display assemblies Display assemblies

1996-10-11

1998-10-06

Walberg, Teresa J.

Electric heating

Heating devices

Combined with diverse-type art device

219539, 349 21, H05B 100, H05B 302, G02F 1133

Patent

active

058180109

ABSTRACT:
A transparent LCD back-lit display has a transparent indium-tin oxide heater layer extending across the display and a resistive metal strip heater, supported in a frame of low thermal conductivity, extending around its edge. One temperature sensor is mounted at the center of the display and another is mounted at the edge. The sensors are connected to a heater control unit, which controls power supplied to the heater layer and the edge strip heater to maintain the temperatures at the center and edge of the display equal.

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