Liquid crystal display device for vehicle

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

Reexamination Certificate

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Details

C345S035000, C345S102000, C345S087000, C345S089000, C345S204000, C345S211000, C345S214000, C340S501000, C340S517000, C340S523000, C340S525000

Reexamination Certificate

active

10257365

ABSTRACT:
A vehicle-use liquid crystal display device which is capable of securing high visibility even under a low temperature environment without increasing or enlarging power consumption is provided.A display vehicle speed Ddis is switched according to a hysteresis of ±0.7 kilometer per hour as shown in FIG.6(b) under a normal or high temperature environment of not less than 45° C. with respect to a change in a vehicle speed shown in FIG.6(a). Namely, even if the vehicle speed D changes between 51.4 kilometers and 52.6 kilometers, the display vehicle speed Ddis is held at 52 kilometers. The display vehicle speed Ddis is switched according to a hysteresis of ±1.0 kilometer per hour as shown in FIG.6(c) under a low temperature environment of less than 45° C. Namely, even if the vehicle speed D changes between 51.1 kilometers and 52.9 kilometers, the display vehicle speed Ddis is held at 52 kilometers.

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International Search Report.
European Search Report dated Apr. 10, 2006.

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