Thermal control system for liquid crystal cell

Details Thermal control system for liquid crystal cell Thermal control system for liquid crystal cell

2005-09-13

2005-09-13

Lao, Lun-yi (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S204000, C349S072000

Reexamination Certificate

active

06943768

ABSTRACT:
A thermal control system for a liquid crystal cell is presented that may utilize a time division scheme to multiplex temperature sensing and heating functions across active thermal elements such that the cell may generally be kept at a constant temperature. A calibration process characterizes the profile of the cell and generates a polynomial regression formula that provides the voltage drive output for a temperature and cell state input. The control system stores the state of the liquid crystal cell, the regression formula, and reads the temperature of the liquid crystal cell to compute end assert the temperature compensated voltage drive.

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