Abstract: A display system is provided with a low frequency driving mode. A low frequency display interval of the display system is divided into a charge period and a suspend period in the low frequency driving mode. A backlight brightness of the display system is changed in the suspend period.

Abstract: A display system is provided with a low frequency driving mode. A low frequency display interval of the display system is divided into a charge period and a suspend period in the low frequency driving mode. A backlight brightness of the display system is changed in the suspend period.

Abstract: A sensing device is provided. The sensing device successively operates in a plurality of operation periods and includes a plurality of first electrodes, a plurality of differential amplifiers, and a plurality of sensing circuits. The first electrodes are disposed successively. The differential amplifiers at least comprise a first differential amplifier and a second differential amplifier. Each of the differential amplifiers comprises a first input terminal and a second input terminal. Each of the sensing circuits has an input terminal and an output terminal. The sensing circuits at least comprise first, second, and third sensing circuits. The input terminals of the sensing circuits are coupled to the first electrodes. The output terminals of sensing circuits are coupled to the differential amplifiers. The output terminal of at least one of the sensing circuits is coupled to both of the first differential amplifier and the second differential amplifier.

Abstract: The purpose of the invention is to provide a touch panel, a driving method for the touch panel, a program for getting touch information, and a memory media, capable of reducing the influence caused by the operation of a display device to the touch panel. The touch panel having a display driven by alternative voltage and a touch sensor reading the touch information from the input interface periodically, includes a touch information detection part synchronizing the beginning timing of a reading operation of the touch sensor with a frame of the display and detecting the touch data in each frame, and a touch information calculation part calculating an average with respect to an even number of successive frames to get a calculated touch data corresponding to a predetermined frame.

Abstract: An input detection device including: a reading part reading touch inputs from an input interface of a touch sensor by scanning every above two electrode lines which are adjacent on the scanning sequence from an end of the input interface to the opposite end, and acquiring a difference between detection data obtained from a half of the above two electrode lines which are successive and from the other half of the above two electrode lines which are successive; and a calculation part integrating the differences for the entire input interface to obtain touch information, wherein if an integration result obtained in the case where the above two lines stretches over the scanning finish end and the scanning start end is not satisfied with a predetermined value, the calculation part resets the detection data obtained from the electrode line located at the scanning finish end to be the predetermined value.

Abstract: A touch detection method includes: scanning the row electrodes or the column electrodes in sequence to obtain touch data of the touch sensor; labeling a plurality of coordinates as a touch image according to the touch data; mirror copying the touch data of the touch image corresponding to at least one column electrode and at least one row electrode which are adjacent to an edge of the pixel active area in the x-direction and the y-direction, respectively, to at least one corresponding location which is outside of the touch sensor active area with respect to the edge of the pixel active area; calculating a location (xave, yave) of the central point of the touch image by a weighted average; and outputting the location (xave, yave) of the central point of the touch image.

Abstract: An image processing device comprises a halftoning module, a detecting module, an adding module and a generating module. The halftoning module generates an error diffusion value. The detecting module detects an edge at a current pixel of an image. The adding module adds the pixel value of the current pixel with one of the error diffusion value and an error diffusion seed according to the detecting result. The generating module generates the error diffusion seed. The error diffusion seed is generated by a formula based on the pixel value and location of the current pixel and a random number, or the error diffusion seed is generated by a formula based on the pixel value of the current pixel and a looked-up value, and the looked-up value is retrieved from a look-up table according to the location of the current pixel.

Abstract: The invention provides an input detection method, wherein when multiple touch points are input a touch sensor 30 detects touch points 41, 42 individually. The detection method includes: scanning a first electrode line, and if a plurality of touch areas 43, 45 sandwiching a non-touch area 44 are detected, labeling the plurality of touch areas 43, 45 sequentially; determining the location of the non-touch area as a separation area in the case where the non-touch area between the labels is within a predetermined spacing; when a second electrode line next to the first electrode line where a separation area is detected is scanned, handling the area on the second electrode line corresponding to the separation area on the first electrode line as a separation area; and practicing the above steps for every electrode line and detecting the labels.

Abstract: A display device includes a plurality of pixels arranged in a matrix with columns and rows. A source driver provides either analogue or digital image data for the pixels. Each pixel includes a plurality of sub-pixels. Each sub-pixel includes a display components, a memory unit for memorizing gradation display data included in the digital image data provided by the source driver for the display component, and a data switching unit for switching data providing for the display component to either the gradation display data memorized in the memory unit or the analogue image data provided by the source driver.

Abstract: A sensing device is provided. The sensing device successively operates in a plurality of operation periods and includes a plurality of first electrodes, a plurality of differential amplifiers, and a plurality of sensing circuits. The first electrodes are disposed successively. The differential amplifiers at least comprise a first differential amplifier and a second differential amplifier. Each of the differential amplifiers comprises a first input terminal and a second input terminal. Each of the sensing circuits has an input terminal and an output terminal. The sensing circuits at least comprise first, second, and third sensing circuits. The input terminals of the sensing circuits are coupled to the first electrodes. The output terminals of sensing circuits are coupled to the differential amplifiers. The output terminal of at least one of the sensing circuits is coupled to both of the first differential amplifier and the second differential amplifier.

Abstract: A touch detection method includes: scanning the row electrodes or the column electrodes in sequence to obtain touch data of the touch sensor; labeling a plurality of coordinates as a touch image according to the touch data; mirror copying the touch data of the touch image corresponding to at least one column electrode and at least one row electrode which are adjacent to an edge of the pixel active area in the x-direction and the y-direction, respectively, to at least one corresponding location which is outside of the touch sensor active area with respect to the edge of the pixel active area; calculating a location (xave, yave) of the central point of the touch image by a weighted average; and outputting the location (xave, yave) of the central point of the touch image.

Abstract: An image processing method includes the step of generating an error diffusion value; detecting an edge at a current pixel of an image; and adding the pixel value of the current pixel with the error diffusion value or an error diffusion seed according to the detecting result.

Abstract: A display device having backlight and the backlight control method thereof is provided. Through the provided method, it is capable of fast determining which intensity range the intensity signal from the means for measuring the intensity of external light falls in, so that the turn-off period of backlight is reduced to avoid the decrement of brightness.

Abstract: An input detection device including: a reading part reading touch inputs from an input interface of a touch sensor by scanning every above two electrode lines which are adjacent on the scanning sequence from an end of the input interface to the opposite end, and acquiring a difference between detection data obtained from a half of the above two electrode lines which are successive and from the other half of the above two electrode lines which are successive; and a calculation part integrating the differences for the entire input interface to obtain touch information, wherein if an integration result obtained in the case where the above two lines stretches over the scanning finish end and the scanning start end is not satisfied with a predetermined value, the calculation part resets the detection data obtained from the electrode line located at the scanning finish end to be the predetermined value.

Abstract: The invention provides an input detection method, wherein when multiple touch points are input a touch sensor 30 detects touch points 41, 42 individually. The detection method includes: scanning a first electrode line, and if a plurality of touch areas 43, 45 sandwiching a non-touch area 44 are detected, labeling the plurality of touch areas 43, 45 sequentially; determining the location of the non-touch area as a separation area in the case where the non-touch area between the labels is within a predetermined spacing; when a second electrode line next to the first electrode line where a separation area is detected is scanned, handling the area on the second electrode line corresponding to the separation area on the first electrode line as a separation area; and practicing the above steps for every electrode line and detecting the labels.

Abstract: The purpose of the invention is to provide a touch panel, a driving method for the touch panel, a program for getting touch information, and a memory media, capable of reducing the influence caused by the operation of a display device to the touch panel. The touch panel having a display driven by alternative voltage and a touch sensor reading the touch information from the input interface periodically, includes a touch information detection part synchronizing the beginning timing of a reading operation of the touch sensor with a frame of the display and detecting the touch data in each frame, and a touch information calculation part calculating an average with respect to an even number of successive frames to get a calculated touch data corresponding to a predetermined frame.

Abstract: A light intensity detecting device is provided to detect a light intensity according to pulse duration of a pulse signal without being affected by noise, including: a time measuring unit for measuring an elapsed time period of the pulse signal that has been raised; a signal state discriminating unit for obtaining a state of the pulse signal; a sampling unit for directing the signal state discriminating unit to obtain the state at a sampling interval corresponding to the elapsed time period; and a falling detecting unit for detecting the pulse signal that has been fallen when a fallen state of the pulse signal is successively obtained for two times. When the fallen pulse signal is detected, the sampling unit directs the signal state discriminating unit to obtain the state of the pulse signal at a time point, which is output as the pulse duration of the pulse signal.

Abstract: An active matrix type display device utilizing multi-bit memory in pixel technology, capable of displaying still and moving pictures are provided. A display device of an embodiment includes a plurality of pixels P1 arranged in a matrix with lines and rows, wherein a source driver 20 provides either analogue or digital image data for the pixels. The respective pixels P1 are divided into a plurality of sub-pixels SP11 through SP14, wherein the sub-pixels respectively include display components C11 through C14, a memory means 40 memorizing gradation display data, for each display components, included in the digital image data provided by the source driver 20, and a data switching means 44 switching data providing for each display component to either of the gradation display data memorized in the memory means 40 and analogue image data provided by the source driver 20.

Abstract: A light intensity detecting device is provided to detect a light intensity according to pulse duration of a pulse signal without being affected by noise, including: a time measuring unit for measuring an elapsed time period of the pulse signal that has been raised; a signal state discriminating unit for obtaining a state of the pulse signal; a sampling unit for directing the signal state discriminating unit to obtain the state at a sampling interval corresponding to the elapsed time period; and a falling detecting unit for detecting the pulse signal that has been fallen when a fallen state of the pulse signal is successively obtained for two times. When the fallen pulse signal is detected, the sampling unit directs the signal state discriminating unit to obtain the state of the pulse signal at a time point, which is output as the pulse duration of the pulse signal.

Abstract: A display device having backlight and the backlight control method thereof is provided. Through the provided method, it is capable of fast determining which intensity range the intensity signal from the means for measuring the intensity of external light falls in, so that the turn-off period of backlight is reduced to avoid the decrement of brightness.