Liquid crystal projector apparatus and driving method for...

Details Liquid crystal projector apparatus and driving method for... Liquid crystal projector apparatus and driving method for...

2005-11-01

2005-11-01

Shankar, Vijay (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S097000, C345S098000, C345S100000

Reexamination Certificate

active

06961035

ABSTRACT:
A liquid crystal projector apparatus is presented, which can display an image free from an influence of a temperature variation of a liquid crystal panel without the necessity to directly measure the temperature of the liquid crystal panel. The liquid crystal projector apparatus includes a temperature sensor for detecting a temperature at a location in the liquid crystal projector apparatus except liquid crystal panels, a memory for storing temperature detection data obtained by the temperature sensor within a period from a power supply starting time to a steady operation entering time, an arithmetic operation device for estimating a temperature of each of the liquid crystal panels based on the temperature detection data stored in the memory, and liquid crystal drive sections for correcting drive voltages for driving the liquid crystal panels with output signals of the arithmetic operation device.

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