Liquid crystal display restoring apparatus

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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357 237, 340767, 340793, 350351, 437 45, H01L 2978, H01L 21265, G09G 320, G02F 113

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active

050123149

ABSTRACT:
An apparatus for restoring a liquid crystal display element having a thin film transistor with a threshold voltage and controlling the brightness of the element includes a display driver for driving the liquid crystal display element, a picture image inspection apparatus for evaluating the brightness of the liquid crystal display element, and a thin film transistor threshold voltage adjusting device including a light source for adjusting the threshold voltage of the thin film transistor by irradiating the thin film transistor with light in response to the brightness evaluation.

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Kaneko et al., "Reliability of . . . Transistors", Central Research Laboratory, Hitachi, Ltd., 1987, pp. 12-15.

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