Abstract: The present invention provides a 3D image signal controlling method. The method comprises inputting a left eye image into the first liquid crystal layer, turning off the backlight module and switching gray levels of the second liquid crystal layer to a minimum gray level during (4N?3)th time interval, wherein N is natural number; stopping inputting the left eye image, turning on the backlight module and remaining the gray levels of the second liquid crystal layer as the minimum gray level during (4N?2)th time interval; inputting a right eye image into the first liquid crystal layer, turning off the backlight module and switching the gray levels of the second liquid crystal layer as a maximum gray level during (4N?1)th time interval; and stopping inputting the right eye image, turning on the backlight module and remaining the gray levels of the second liquid crystal layer as the maximum gray level during (4N)th time interval.

Abstract: The present invention provides a method for enhancing contrast of a color image displayed on a display system and an image processing system utilizing the same. In the present invention, the gray values of R, G, and B components of one color image are separately counted during processing the image. When calculating the corresponding output values for the gray values of R, G, and B components in each pixel, they are adapted to ratios between the gray values of R, G, and B components. Therefore, the present invention can effectively maintain the color distribution for a considerable degree and greatly enhance the image contrast.

Abstract: A driving device and a driving method for a liquid crystal display are provided. The driving device includes a memory unit, a comparator, a compensation unit, and a selector. The memory unit provides a storage image and a previous comparison result. The comparator compares a present image with the storage image and outputs a present comparison result. The compensation unit processes the present image according to the storage image to generate a plurality of processed present images. The selector selects and outputs one of the present image and the processed present images according to the previous comparison result and the present comparison result. Thereby, the space required in the memory unit is reduced and the image display quality is improved.

Abstract: A backlight module driving system and a driving method thereof are applied to a Liquid Crystal Display (LCD). In the LCD, a timing controller obtains a three-dimensional (3D) image signal provided by a graphics processor, generates a Liquid Crystal (LC) driving control signal, and generates a corresponding light adjusting signal according to a data writing time and a Vertical Blanking Interval (VBI) time of the LC driving control signal. A backlight driver obtains and analyzes the light adjusting signal, so as to disable a backlight module during the data writing time, and enable the backlight module during the VBI time.

Abstract: Disclosed are a three-dimensional display device and a method for driving the same. The three-dimensional display device is driven with a two-frame inversion and includes a display panel, a timing controller, a gamma voltage generator, and at least one source driver circuit. The display panel has a plurality of pixels. The timing controller of the present invention provides two different groups of gamma voltages for the gamma voltage generator, so that charging conditions of each of the pixels tend to be the same when switching frames.

Abstract: A transmission system and a transmission method for network address translation traversal are provided. The transmission system includes a private network device, a network address record device, a public network device and a network address translation server. The network address record device records an inner network address of the private network device and an outer network address corresponding to the inner network address. The public network device inquires the inner network address of the private network device and the outer network address corresponding to the inner network address from the network address record device, and generates a packet according to the inner network address and the outer network address corresponding to the inner network address. The network address translation server receives the packet from the public network device, and transmits the packet to the public network device.

Abstract: A liquid crystal display having a back light module and a control unit is provided. The control unit controls the back light module to adjust turn-on time and light luminous intensity of a back light source according to the brightness difference of a left eye image and a right eye image, so as to balance the brightness of the left eye image and the right eye image and improve cross talk problem.

Abstract: An image processing method for stereoscopic images includes providing image data of a first visual angle image and image data of a second visual angle image; performing first image processing to the image data of the second visual angle image according to performance of a first display parameter of the image data of the first visual angle image on a display panel, for adjusting performance of the first display parameter of the image data of the second visual angle image on the display panel to correspond to the performance of the first display parameter of the image data of the first visual image on the display panel; and displaying the first visual angle image and the second visual angle image after the first image processing.

Abstract: A method for driving an OLED panel includes the following steps. An image signal is inputted to a power control unit, wherein the power control unit includes a calculator and a power control look-up table. A display loading ratio is calculated by the calculator according to the image signal, wherein the power control unit can find an emitting time ratio by the power control look-up table corresponding to the display loading ratio, the emitting time ratio can be transformed to an emitting time signal, and the emitting time signal can be inputted to the OLED panel so as to control the power consumption of the OLED panel.

Abstract: A double-layer switchable stereo liquid crystal display includes a timing controller, a microprocessor, a backlight module, a first liquid crystal panel, a controller, and a second liquid crystal panel. The timing controller receives an image signal and generates a left/right eye signal and a two-dimensional/three-dimensional control signal. The microprocessor outputs the image signal, and generates a control signal and a backlight control signal according to output timing of the image signal. The first liquid crystal panel receives and displays the image signal. The controller outputs a voltage control signal according to the control signal. The second liquid crystal panel rotates liquid crystal within the second liquid crystal panel according to the voltage control signal. A period for the second liquid crystal panel rotating the liquid crystal to a second angle is longer than a period for the second liquid crystal panel rotating the liquid crystal to a first angle.

Abstract: A stereoscopic image displaying system and method are disclosed. The system comprises a display panel for periodically displaying a left-eye image and a right-eye image; a backlight plate that is divided into a plurality of regional light sources from top to bottom; a backlight controller for providing control signals to turn on the regional light sources, wherein in one image frame displaying period, the time points for turning on the respective regional light sources are different from each other, and turn-on durations are different from each other as well; and a pair of shutter glasses comprising a left-piece eyeglass and a right-piece eyeglass that are periodically and alternatively turned on and of for respectively receiving the left-eye image and the right-eye image. The stereoscopic display system can improve brightness performance of a liquid crystal display panel during displaying stereoscopic images, also minimize the occurrence of ghost images and crosstalk.

Abstract: A circuit for outputting overdrive voltages of a liquid crystal panel includes a memory unit and an overdrive unit. The overdrive unit includes a first lookup table, a second lookup table, and a selector. The memory unit stores a plurality of second pixel voltages corresponding to a second frame displayed by the liquid crystal panel and outputs a plurality of first pixel voltages corresponding to a first frame displayed by the liquid crystal panel stored in the memory unit. The overdrive unit looks up the first lookup table and the second lookup table to generate a first overdrive voltage and a second overdrive voltage according to each first pixel voltage and a corresponding second pixel voltage. The selector outputs the first overdrive voltage or the second overdrive voltage according to a polarity signal and a frame signal.

Abstract: An overdriving apparatus including a memory unit, a position unit and an overdriving unit is provided. The memory unit stores a present frame received and outputs a previous frame stored in the memory unit. The position unit generates pixel position information according to a display control signal of the present frame. The overdriving unit determines a corresponding relationship between several pixel grey values of the present frame and several display areas of a display panel according to the pixel position information, so as to select a corresponding specific table group of each of the pixel grey values from a plurality of overdriving tables. The overdriving unit further generates an overdriving frame by looking up the corresponding specific table group of each of the pixel grey values.

Abstract: An image processing method including the following steps is provided. First, a two-dimensional original image is received. Next, a plurality of depth values corresponding to the two-dimensional original image are received. Afterwards, a two-dimensional shifting image is obtained according to the depth values and a standard value. A plurality of shifting values exist between the two-dimensional shifting image and the two-dimensional original image, and the shifting values are determined by a plurality of differences between the depth values and the standard value. Thereafter, a three-dimensional image is produced according to the two-dimensional original image and the two-dimensional shifting image.

Abstract: A 3D image display system includes a display equipment and a shutter glasses. The display equipment includes an LCD module. The LCD module has a linear polarizing unit and is able to generate an image light from the linear polarizing unit. The shutter glasses include two liquid crystal optical units, at least one linear polarizing unit, and at least one polarizing optical element. The linear polarizing unit is disposed between the polarizing optical element and the liquid crystal optical units. The image light passes through the polarizing optical element, the linear polarizing unit, and one of the liquid crystal optical units in sequence. When the image light passes through one of the liquid crystal optical units, the other liquid crystal optical unit blocks the image light.

Abstract: A driving device and a driving method for a liquid crystal display are provided. The driving device includes a memory unit, a comparator, a compensation unit, and a selector. The memory unit provides a storage image and a previous comparison result. The comparator compares a present image with the storage image and outputs a present comparison result. The compensation unit processes the present image according to the storage image to generate a plurality of processed present images. The selector selects and outputs one of the present image and the processed present images according to the previous comparison result and the present comparison result. Thereby, the space required in the memory unit is reduced and the image display quality is improved.

Abstract: A driving device and a driving method for a liquid crystal display are provided. The driving device includes a memory unit, a comparator, a compensation unit, and a selector. The memory unit provides a previous image and a previous comparison result. The comparator compares a present image with the previous image and outputs a present comparison result. The compensation unit processes the present image according to the previous image to generate a plurality of processed present images. The selector selects and outputs one of the present image and the processed present images according to the previous comparison result and the present comparison result. Thereby, the space required in the memory unit is reduced and the image display quality is improved.

Abstract: A backlight module driving system and a driving method thereof are applied to a Liquid Crystal Display (LCD). In the LCD, a timing controller obtains a three-dimensional (3D) image signal provided by a graphics processor, generates a Liquid Crystal (LC) driving control signal, and generates a corresponding light adjusting signal according to a data writing time and a Vertical Blanking Interval (VBI) time of the LC driving control signal. A backlight driver obtains and analyzes the light adjusting signal, so as to disable a backlight module during the data writing time, and enable the backlight module during the VBI time.

Abstract: The present invention provides a 3D image signal controlling method. The method comprises inputting a left eye image into the first liquid crystal layer, turning off the backlight module and switching gray levels of the second liquid crystal layer to a minimum gray level during (4N?3)th time interval, wherein N is natural number; stopping inputting the left eye image, turning on the backlight module and remaining the gray levels of the second liquid crystal layer as the minimum gray level during (4N?2)th time interval; inputting a right eye image into the first liquid crystal layer, turning off the backlight module and switching the gray levels of the second liquid crystal layer as a maximum gray level during (4N?1)th time interval; and stopping inputting the right eye image, turning on the backlight module and remaining the gray levels of the second liquid crystal layer as the maximum gray level during (4N)th time interval.