Au Optronics Corporation

Yu-Hsi Ho

Yao-Jen Hsieh

Chia-Horng Huang

Chien-Huang Liao

Jenn-Jia Su

Pin-Miao Liu

Ting-Jui Chang

Chun-Fan Chung

Shui-Chih Lien

Meng-Ju Wu

Chih-Sung Wang

Ming-Jong Jou

Wen-Chiang Huang

Yao Jen Hsieh

Ming-Fon Chien

Wen-Chieh Chang

Fang-Yu Su

Yu-Hsien Yang

Yung-Shu Lin

Shang-Chia Liao

Jih-Sheng Chen

Yu-Shian Yang

An exemplary gamma curve compensating method is used in a displaying process of a display system for inserting a plurality of grey-scale images to adjust the displaying quality of the display system. A grey-scale luminance of each grey-scale image is one of the grey-scales. The gamma curve compensating method includes: providing a plurality of look-up tables (LUTs) according to the different grey-scales; selecting a specific grey-scale of the different grey-scales as a grey-scale luminance of one of the grey-scale images and accordingly selecting a specific LUT of the LUTs corresponding to the specific grey-scale; and performing a gamma-curve compensating based on the specific LUT to keep the gamma curve of the display system invariable in the displaying process. A gamma curve compensating circuit and a display system for performing the gamma curve compensating method are also provided in the present invention.

Gamma curve compensating method, gamma curve compensating circuit and display system using the same

A display panel includes a switch control circuit, a first pre-charge switch circuit and a second pre-charge switch circuit. The switch control circuit is used for comparing the most significant bits (MSBs) of data signals to generate switch control signals for controlling the first and second pre-charge switch circuits, such that data lines are pre-charged through the first and second pre-charge switch circuits respectively. A method for driving a display panel is also provided herein.

Display panel with pre-charging operations, and method for driving the same

A display-driving structure for driving a display panel is disclosed. The display-driving structure includes a first circuit board, a second circuit board, a transmission wiring, a first circuit, a second circuit, first source driver circuits and second source driver circuits. The transmission wiring is connected between the first circuit board and the second circuit board. The first circuit is disposed on the first circuit board for generating a first signal. The second circuit is disposed on the second circuit board for generating a second signal. The first source driver circuits receive the first signal from the first circuit board, and further receive the second signal via the transmission wiring and the second circuit board. The second source driver circuits receive the second signal from the second circuit board, and further receive the first signal via the transmission wiring and the first circuit board.

Display-driving structure and signal transmission method thereof and manufacturing method thereof

A method for driving an active matrix display wherein each image frame is divided into a number of displayed frame portions, each of which is followed by a darker frame portion. The image data in the darker frame portion is removed so as to allow the pixel luminance to diminish. The temporal separation between the displayed frame portion and the following darker frame portion is smaller than a frame time. In a display where the lines are driven repetitively for forming the display image in a plurality of frame times, the image data provided to a pixel, after the luminance in that pixel changes from low to high, is adjusted so that the brightness of the pixel in the preceding frame times appear higher or not lower than that in following frames times.

Method and system for driving an active matrix display device

In one aspect of the invention, a method for driving a display includes the steps of processing input image signals into pixel signals associated with the pixel matrix and grayscales of the display, generating a polarity control signal POL, and determining transmitting paths of the pixel signals according to the polarity control signal POL, and writing the pixel signals into the pixel matrix of the display along the determined transmitting paths.

Driving circuit and method for driving a display

A driving method with reducing image sticking effect is disclosed. The driving method includes applying a voltage on the data lines for trapping impurities crossing the data lines and lowering the degree of the image sticking effect, and applying different asymmetric waveforms to different data lines for trapping impurities crossing the data lines and lowering the degree of the image sticking effect.

Driving method for reducing image sticking

A driving apparatus for driving a display panel includes a timing controller and a plurality of source drivers. The timing controller has a first output port and a second output port. The first output port is employed to output a first clock signal and plural first data signals. The second output port is employed to output a second clock signal and plural second data signals. Each source driver includes at least two operation mode control ends for receiving an operation mode control signal having at least two bits for setting at least first to third operation modes. If the operation mode control signal sets the source driver to operate in the first operation mode, the source driver is electrically connected to both the first and second output ports, for driving the display panel according to the first data signals, the second data signals, the first clock and the second clock.

Driving apparatus for driving a display panel and source driver thereof

A method for processing display data includes: storing an image data in a plurality of first-type memories by taking scanning line data as a unit; providing one of the scanning line data stored in a particular memory of the first-type memories to one of a plurality of second-type memories, the particular memory being one of the first-type memories, which are not receiving and storing the image data; and outputting the scanning line data stored in the second-type memories. Time periods for outputting the scanning line data of the image data from the second-type memories are not overlapped.

Method for processing display data

A method for processing images in a liquid crystal display is provided. The method includes the steps of: acquiring a backlight index according to an image; adjusting a backlight according to the backlight index; acquiring a reference gray level according to the adjusted backlight, wherein the reference gray level lies in between a first gray level boundary and a second gray level boundary; transferring a gray level of the image into a corresponding output gray level according to the backlight index when the gray level of the image lying in between the reference gray level and the first gray level boundary; and transferring the gray level of the image into another corresponding output gray level according to a linear relationship when the gray level of the image lying in between the reference gray level and the second gray level boundary.

Method for processing images in liquid crystal display

An exemplary gate driving circuit is adapted for receiving an external gate power supply voltage and an external control signal, sequentially generating multiple internal shift data signal groups and thereby sequentially outputting multiple gate signals. Each of the internal shift data signal groups includes multiple sequentially-generated internal shift data signals. The gate driving circuit includes multiple gate signal generating modules. Each of the gate signal generating modules includes a voltage modulation circuit and a gate output buffer circuit. The voltage modulation circuit modulates the external gate power supply voltage according to a corresponding one of the internal shift data signal groups and the external control signal, and thereby a modulated voltage signal is obtained. The gate output buffer circuit includes a plurality of parallel-coupled output stages. The output stages output the modulated voltage signal as a part of the gate signals during the output stages being sequentially enabled.

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Hsin-Chu, Taiwan

Yu-Hsi Ho