Abstract: A weighted image enhancement method includes receiving an original image. The original image includes several original pixels. The original image is sharpened to generate a sharpened image. The sharpened image includes several sharpened pixels. Edge detection is performed with respect to the original image to generate a probability of whether each original pixel is on an edge. An enhancement mode setting is received. A corresponding weight table corresponding to the enhancement mode setting is looked up to obtain a corresponding enhancement weight of each original pixel according to the probability of whether each original pixel is on an edge. A weight calculation is performed utilizing each original pixel and its corresponding sharpened pixel according to its corresponding enhancement weight to generate an enhanced image. The enhanced image is displayed by a display unit.

Abstract: When a signal receiving unit receives red, green, and blue sub-pixels of an RGB pixel, a chromaticity weight generation unit generates a chromaticity weight according to the lowest gray level and the highest gray level of the red, green, and blue sub-pixels of the RGB pixel. Then, a gray level generation unit generates gray levels of red, green, blue, and white sub-pixels of an RGBW pixel according to the chromaticity weight, gray levels of the red, green, and blue sub-pixels of the RGB pixel, three chromaticity correction values and the lowest gray level. A RGBW display displays the RGBW pixel according to the gray levels of the red, green, blue, and white sub-pixels of the RGBW pixel.

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 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 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: An image resolution enhancing device and method for a display panel are provided. The image resolution enhancing method includes the following steps. Enlarge the image resolution of a first image to obtain a second image. Shrink the image resolution of the second image to obtain a third image. Implement a subtraction operation on the first image and the third image, so as to obtain a difference image. Enlarge the image resolution of the difference image to obtain an enhancing image. Implement an addition operation on the enhancing image and the second image, so as to obtain a fourth image with high image resolution.

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: A driving circuit and a gray insertion method of a liquid crystal display (LCD) are provided. The gray insertion method includes analyzing whether a current frame belongs to a dynamic frame or a static frame. When the current frame belongs to a dynamic frame, charging time of a gray insertion image is extended. When the current frame belongs to a static frame, the charging time of a gray insertion image is shortened. As a result, motion blur on the LCD can be reduced and image quality can be increased.

Abstract: A three-dimensional image display device is provided. The three-dimensional image display device includes a display panel and a plurality of light control units. The display panel includes a pixel array composed of a plurality of pixels. Each of the pixels consists of a plurality of sub-pixels. The sub-pixel has an aspect ratio of about 1:1. A symmetry axis of each of the light control units is substantially parallel to a diagonal of each of the sub-pixels.

Abstract: A stereoscopic image displaying method and a stereoscopic display device thereof is provided. The stereoscopic image displaying method includes a data providing step, a polarization adjusting step, and a backlight controlling step. The stereoscopic display device includes a display panel, a light modulation device, and a backlight module which are respectively configured to perform the data providing step, the polarization adjusting step, and the backlight controlling step. In the backlight controlling step, the time of turn-on and turn-off is adjusted. Alternatively, in the data providing step, black-image data is added.

Abstract: A four-primary color display device and a method for calculating relative brightness of a fourth primary color are provided. The display device includes plural pixels and a relative brightness computation module of the fourth primary color for calculating relative brightness of that color. The pixel has at least four sub-pixels for displaying red, green, blue and the fourth primary color respectively. The relative brightness computation module of the fourth primary color includes a basic value computation unit, a gain value computation unit, a weighting proportion computation unit and a relative brightness computation unit of the fourth primary color.

Abstract: An image transformation method for use in a computer program product and an image display device is provided. In the image transformation method, a two dimensional image and a corresponding depth image are acquired first. A motion process is performed on the two dimensional image to obtain a plurality of motion images according to the depth image and a plurality of gain values. Then, a plurality of view images are provided and an interpolation process is performed on each motion image to obtain the corresponding view image. Finally, a synthesis process is performed on the view images to obtain a three dimensional image.

Abstract: A method for adjusting the color of images is provided. In the method, firstly, an original hue-saturation-value (HSV) color coordinate is obtained from an original image signal. Next, the original HSV color coordinate is converted into an adjusted HSV color coordinate according to color adjusting data. Afterwards, the adjusted HSV color coordinate is converted into a corrected HSV color coordinate. Then, an output image signal is generated according to the corrected HSV color coordinate.

Abstract: An image resolution enhancing device and method for a display panel are provided. The image resolution enhancing method includes the following steps. Enlarge the image resolution of a first image to obtain a second image. Shrink the image resolution of the second image to obtain a third image. Implement a subtraction operation on the first image and the third image, so as to obtain a difference image. Enlarge the image resolution of the difference image to obtain an enhancing image. Implement an addition operation on the enhancing image and the second image, so as to obtain a fourth image with high image resolution.

Abstract: A color transformation method includes following steps. First, a color signal is received. Then, a saturation calculation step is performed to generate a saturation value of the color signal, and a hue-angle-weighting calculation step is performed to generate a first hue-angle weighting of the color signal corresponding to a first LUT and a second hue-angle weighting of the color signal corresponding to a second LUT. Next, a color calculation step is performed to transform the color signal into a first color output signal according to the saturation value and the first hue-angle weighting and to transform the color signal to a second color output signal according to the saturation value and the second hue-angle weighting.

Abstract: An image processing circuit including an input unit and a first multiplier is provided. The input unit is used for receiving an image data, and obtaining a plurality of color signal values for forming the image data. The first multiplier is used for multiplying the color signals by a transfer matrix to obtain a plurality of transfer color signal values, so as to form a display image.

Abstract: A driving circuit and a gray insertion method of a liquid crystal display (LCD) are described. In the gray insertion method, whether a dynamic frame or a static frame display by the LCD is determined. When the LCD displays the dynamic frame, a gray insertion level of a frame of the display and a duty cycle of a pulse width module (PWM) signal are increased synchronously, wherein the PWM signal drives a back light module of the display. When the LCD displays the static frame, the gray insertion level of a frame of the display and the duty cycle of the PWM signal are decreased synchronously. As a result, a motion blur on LCD is reduced and luminance of a display frame is maintained.

Abstract: A backlight adjustment device includes a color saturation generation unit, a gain generation unit, and an adjustment unit. The color saturation generation unit is used for receiving red, green, and blue sub-pixels of an RGB pixel, and generating a color saturation of the RGB pixel according to the red, green, and blue sub-pixels of the RGB pixel. The gain generation unit is used for generating a gain of the RGB pixel according to the color saturation of the RGB pixel. The adjustment unit is used for adjusting a backlight source according to an average of gains of a plurality of pixels.

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.