Mstar Semiconductor, Inc.

Yi-Chun Weng

Yen-Ting Chen

Jiunn-Kuang Chen

Chieh-Huang Tu

A backlight control apparatus is provided. The apparatus controls a backlight module of a liquid crystal display for displaying three-dimensional stereo images. The apparatus includes an image update progress detector and a backlight control signal generator. The image update progress detector detects an update progress of an image signal to generate an update progress signal. The backlight control signal generator generates a plurality of backlight control signals according to the update progress signal to respectively control backlight turn on/off time points of a plurality of backlight areas of the backlight module.

Backlight control apparatus and associated method

An over-drive value generating apparatus applied to an LCD display includes a pixel value converting unit, a gain generating unit and a calculation unit. The pixel value converting unit generates a converted pixel according to a current pixel of a current image and a corresponding pixel of a previous image. The gain generating unit generates a gain according to a position of the current pixel. The calculation unit generates an output pixel according to the current pixel, the converted pixel and the gain.

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Hsinchu Hsien, Taiwan

Yi-Chun Weng