G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/133 (2006.01)
Patent
CA 2188367
Conventional transparent LCD displays have a transparent heater layer extending across the display, which is used to maintain the display above its minimum operating temperature. In the present invention, the display also has a resistive metal strip, supported in a frame of low thermal conductivity, extending around its edge. A temperature sensor is mounted at the centre 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 to maintain the temperatures at the centre and edge of the display equal.
Fetherstonhaugh & Co.
Smiths Industries Public Limited Company
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