Au Optronics Corporation

Ming-Chi Hung

Hung-Min Shih

Yung-Jen Chen

Chih-Lin Liao

A display panel includes a plurality of pixels, each of the pixels including a main sub-pixel and a secondary sub-pixel; a plurality of first scan lines, each of the first scan lines being coupled to main and secondary sub-pixels of a row of pixels; a plurality of second scan lines, each of the second scan lines being coupled to secondary sub-pixels of a row of pixels; a plurality of first data lines, each of the first data lines being coupled to main and secondary sub-pixels of (N+1)th and (N+2)th rows of pixels; a plurality of second data lines, each of the second data lines being coupled to main and secondary sub-pixels of (N+3)th and (N+4)th rows of pixels; a scan driver for turning on the main and secondary sub-pixels of the pixels; and a data driver for outputting data signals; wherein N is a multiple of 4, and N&#x2267;0.

Display panel and driving method thereof

A multi-frame overdriving circuit for use in a liquid crystal display including a counting unit and a multi-frame overdriving unit is provided. The counting unit counts a number m of frame periods for which a pixel data corresponding to a pixel keeps a first gray value, wherein m is a positive integer. When the pixel data changes to a second gray value from the first gray value in a first frame period, the multi-frame overdriving unit respectively outputs y multi-frame overdriving pixel data corresponding to the pixel within successive y frame periods starting from the first frame period. The y multi-frame overdriving pixel data are related to the first gray value, the second gray value and the number m of frame periods, wherein y is a positive integer.

Multi-frame overdriving circuit and method and overdriving unit of liquid crystal display

An image over-driving device is provided. An image detection device detects a size and a moving speed of an object according to an image signal and outputs an over-driving control signal according to the detected size and moving speed. A first image register receives and temporarily stores first image data of the image signal in a first frame period, and receives second image data of the image signal and outputs the first image data as a buffer data in a sequential second frame period. A first over-driving unit includes first and second lookup tables recording different over-driving parameters. The first over-driving unit generates first and second over-driving signals according to the buffer data and the second image data respectively by using the first and second lookup tables. The first multiplexer selects the first or second over-driving signal according to the over-driving control signal to drive a display device.

Growing community of inventors

Hsin-Chu, Taiwan

Ming-Chi Hung