Sakai Display Products Corporation

Nobuyoshi Nagashima

Masae Kitayama

Kentaro Irie

Provided are a method for correcting luminance nonuniformity of a liquid crystal display apparatus and a correction data generation device. Included are setting a voltage of a counter electrode to a specific counter voltage and capturing an image of a display screen; capturing each image of the display screen while increasing and decreasing the voltage of the counter electrode by a predetermined voltage; detecting a luminance value for each of a plurality of regions of the display screen each time an image is captured; determining a correction voltage for each of the region, for correcting a deviation of the counter voltage, based on a luminance value detected without varying a voltage of the counter electrode and luminance values each detected while increasing and decreasing a voltage of the counter electrode and superimposing a determined correction voltage on the data signal having an amplitude corresponding to a grayscale value.

Method for correcting luminance non-uniformity in liquid crystal display apparatus, and correction data generation device

A liquid-crystal display apparatus and a method for driving liquid-crystal display apparatus are provided. Pixels arrayed in a form of a matrix are each defined so as to include an electrode pair consisting of a pixel electrode and a counter electrode facing one another via a liquid-crystal layer, and a scan signal is applied, from a scan-signal line for each line, to a control electrode of a TFT for applying a data signal to the pixel electrode included in the pixel. A signal to be raised when the scan signal for each line falls is applied to a signal line arranged between a pixel in each line and a pixel adjacent to the pixel at one side in the line direction.

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Sakai, Japan

Nobuyoshi Nagashima