Abstract: A position detection device includes a sensor driving unit driving a touch sensor by providing a drive signal of a sine-wave to the touch sensor and a position detecting unit detecting a position of a touch on the touch sensor. The position detecting unit includes a first detection processing unit performing a touch detection process using an amplitude modulation scheme during a first detection processing period and a second detection processing unit performing the touch detection process using a frequency modulation scheme during a second detection processing period. A position detection method includes a sensor driving step of driving the touch sensor and a position detecting step of detecting the position. The position detecting step includes a first detection processing step of performing the touch detection process using the amplitude modulation scheme and a second detection processing step of performing the touch detection process using the frequency modulation scheme.

Abstract: A position detection device having high resistance to noise and excellent sensitivity is implemented. A position detection device includes a touch panel driving unit that drives a touch panel; and a touch sensing unit that detects a position where a touch on the touch panel is performed. The touch sensing unit includes a first detection processing unit that performs a touch detection process using an amplitude modulation scheme, based on a detection signal; and a second detection processing unit that performs a touch detection process using a frequency modulation scheme, based on the detection signal. In such a position detection device, a first detection processing period during which the touch detection process is performed by the first detection processing unit and a second detection processing period during which the touch detection process is performed by the second detection processing unit are provided.

Abstract: A display device, with a built-in touch sensor, including a display unit where sensor electrodes are provided, and a signal processing unit configured to process detection signals obtained from the sensor electrodes is provided with a segment-size switching unit configured to perform electrical connection and electrical disconnection of sensor electrodes such that a size of a segment serving as a unit of processing the detection signal becomes a size depending on an instruction signal. For example, the segment-size switching unit is configured by a switch circuit configured to switch a connection relationship between a plurality of sensor electrodes and a plurality of analog front ends, and a switching control unit configured to control operation of the switch circuit depending on the instruction signal.

Abstract: The present invention provides a data processing device connected with an intermission driving. The data processing device achieves a satisfactory power saving while ensuring a high level of display quality of the display device. Upon detection of non-data update in a frame buffer, the host calculates a next refreshing timing based on driving information obtained from a liquid crystal display device (LCD), sets a timer for a timeout after a length of time representing the calculated result, and then the host and the LCD shift to Intermission State 1. Thereafter, when the timer times out to bring the host back to Normal State and a data update at the frame buffer is detected, data for refreshing an display image in the LCD is transferred from the host to the LCD. If the amount of time representing the calculated result is longer than a predetermined baseline, a shift is made to Intermission State 2 which provides greater power saving than Intermission State 1.

Abstract: The present invention provides a data processing device connected with a display device performing intermission driving, in which power consumption of the display device is sufficiently reduced while securing high quality display by the display device. When a host shifts to Intermission State 2 together with an LCD without data updating in an image buffer in the host, the image buffer is extended (extended from 2 frames (A, B) to 4 frames (A-D)). Thereafter, when new display image data is supplied to the image buffer due to a user operation, a return instruction is transmitted from the host to the LCD. When stopped circuits in the LCD become operable, a return completion notification is sent from the LCD to the host. The host prevents frame missing by writing the new display image data into the image buffer in the extension state during the period of this returning, and transfers the new display image data to the LCD after receiving the return completion notification.

Abstract: There is provided a display device that is capable of suppressing occurrence of brightness drop which is caused by refresh of a display image during pause driving. In a normal driving mode, input image data (SsD0) according to a continuous tone method is supplied to a source driver (310) through a data selector (230) as an image signal (SsD) for driver. On the other hand, in a low-frequency driving mode in which pause driving is performed, the input image data (SsD0) is converted into dithered input image data (SsD1) by a dithering processing circuit (220), and is supplied to the source driver (310) through the data selector (230) as the image signal (SsD) for driver. A gradation of the dithered input image data (SsD1) is represented in a pseudo manner by an area coverage modulation method by using two values of a maximum value and a minimum value that can be taken as the gradation value of the input image data (SsD0).

Abstract: The present invention provides a data processing device connected with an intermission driving. The data processing device achieves a satisfactory power saving while ensuring a high level of display quality of the display device. Upon detection of non-data update in a frame buffer, the host calculates a next refreshing timing based on driving information obtained from a liquid crystal display device (LCD), sets a timer for a timeout after a length of time representing the calculated result, and then the host and the LCD shift to Intermission State 1. Thereafter, when the timer times out to bring the host back to Normal State and a data update at the frame buffer is detected, data for refreshing an display image in the LCD is transferred from the host to the LCD. If the amount of time representing the calculated result is longer than a predetermined baseline, a shift is made to Intermission State 2 which provides greater power saving than Intermission State 1.

Abstract: There is provided a display device that is capable of suppressing occurrence of brightness drop which is caused by refresh of a display image during pause driving. In a normal driving mode, input image data (SsD0) according to a continuous tone method is supplied to a source driver (310) through a data selector (230) as an image signal (SsD) for driver. On the other hand, in a low-frequency driving mode in which pause driving is performed, the input image data (SsD0) is converted into dithered input image data (SsD1) by a dithering processing circuit (220), and is supplied to the source driver (310) through the data selector (230) as the image signal (SsD) for driver. A gradation of the dithered input image data (SsD1) is represented in a pseudo manner by an area coverage modulation method by using two values of a maximum value and a minimum value that can be taken as the gradation value of the input image data (SsD0).

Abstract: A stereoscopic image processing device including a depth map generation unit and a depth map correction unit. The depth map generation unit uses a first viewpoint image and a second viewpoint image to acquire depth values in units of blocks constituted of a plurality of pixels and generate a depth map. The depth map correction unit performs a judgment in the depth map as to whether or not a boundary region is included in a block of interest based on depth values of blocks surrounding the block of value, which is a block to be processed, and, if a boundary region is judged to be included in the block of interest, corrects the depth values in units of correction regions, which are units which are smaller than blocks, in the block of interest.

Abstract: A stereoscopic image processing device is realized whereby a parallax map (depth map) can be acquired with a small amount of computation and high-precision stereoscopic image processing can be executed. A stereoscopic image processing device including a depth map generation unit and a depth map correction unit. The depth map generation unit uses a first viewpoint image and a second viewpoint image to acquire depth values in units of blocks constituted of a plurality of pixels and generate a depth map. The depth map correction unit performs a judgment in the depth map as to whether or not a boundary region is included in a block of interest based on depth values of blocks surrounding the block of value, which is a block to be processed, and, if a boundary region is judged to be included in the block of interest, corrects the depth values in units of correction regions, which are units which are smaller than blocks, in the block of interest.

Abstract: The present invention aims at reducing noise caused by driving of the display panel while reducing a drop in the output rate of coordinates representing an object to be drawn. A coordinate output device receives a horizontal synchronization signal of a display panel from a display panel control unit and starts to detect touch location on the touch panel after a prescribed length of time has passed from the initial rise of the horizontal synchronization signal. The coordinate output device detects coordinates representing touch location in accordance with a signal outputted from the touch panel and performs a generation process to generate coordinates based on three consecutive detected coordinates. The coordinate output device outputs coordinate data having the detected coordinates and the generated coordinates to a control unit as coordinates from a period when three of the generated coordinates were detected.

Abstract: A DPF controller (21) generates, as image information, a layout identifier (MEN) that specifies the layout of an image to be displayed on a liquid crystal display device (11), and an element image identifier (SEN) that specifies the display mode of element images that are being subjected to layout. When an SEN is newly determined and the newly determined SEN is equal to a previously determined SEN, the newly determined SEN is not output to a drawing controller (22).

Abstract: A DPF controller (21) easily generates a display identifier and a speech identifier for providing an image and a speech required for driving a mobile body such as an automobile, etc. from state information representing the state of each part of the mobile body.

Abstract: Provided is a display scene creation system that can cause a display scene to make a transition when a gesture is input to a touch panel, without a processing program that relates the touch panel to the gesture. A design of a display scene is set. One or more display components to be displayed in the set design of the display scene are set. A gesture with which the display scene makes a transition when the gesture is input to the set display components is set. A transition display scene table is provided that stores the set gesture and a post-transition display scene where the gesture and the post-transition display scene are associated with each other.

Abstract: An on-vehicle display control unit includes a CPU to which vehicle data of various kinds are inputted and a graphic LSI arranged to generate display data to be outputted to a display. The graphic LSI is arranged to generate predetermined display data from image data generated by a meter ECU. However, if there is a problem in a state of the meter ECU or an input status of 3D moving picture data, the graphic LSI receives a fail safe control from the CPU (4), thereby to generate fail safe display data corresponding to the predetermined display data. This realizes an on-vehicle display system capable of stably displaying important vehicle information.

Abstract: An instrument panel image forming apparatus for forming an instrument panel image that is displayed on an instrument panel mounted on a machine includes an identification information assignment section that, in accordance with image data encoding instrument images that provide a user with information about the inside and outside of the machine, assigns, to image data encoding the instrument panel image, user identification information for identifying a user who operates the machine, and an image data changing section that stores, in a user-by-user image data storage section, the image data assigned the user identification information by the identification information assignment section, thereby forming individual instrument panel images that, in cases where a plurality of users use a particular machine, can be surely and easily displayed for each separate user.

Abstract: In an image information generation device, based on status information representing statuses of various sections of a mobile unit such as a motor vehicle, image information used to display an image required, for instance, for steering this mobile unit on a display device is generated easily. In order to generate, as the image information, a layout identifier that specifies a layout of an image to be displayed on the liquid crystal display device and a component image identifier that specifies a display mode of each component image in the layout, the DPF controller compares the MEN/SEN judging table that stores an identifier table in which a correlation between the status information and the MEN, a correlation between the status information and the SEN, and a correlation between the MEN and the SEN are defined with the status information collected from the ECUs in the various sections of the mobile unit.

Abstract: An instrument panel image display apparatus for displaying an instrument panel image on an instrument panel mounted on a machine includes an image display section arranged to display, in accordance with image data encoding instrument images that provide a user with information about an inside and an outside of the machine, an instrument panel image containing the instrument images, and an image data changing section arranged to change a display state of an instrument image to another display state according to a state of the machine, from among a plurality of display states determined in advance according to the state of the machine. With this structure, an instrument panel image according to the user's own preferences and the state of the machine is created without undermining safety during operation.

Abstract: A DPF controller (21) generates, as image information, a layout identifier (MEN) that specifies the layout of an image to be displayed on a liquid crystal display device (11), and an element image identifier (SEN) that specifies the display mode of element images that are being subjected to layout. When an SEN is newly determined and the newly determined SEN is equal to a previously determined SEN, the newly determined SEN is not output to a drawing controller (22).

Abstract: An on-vehicle display control unit includes a CPU to which vehicle data of various kinds are inputted and a graphic LSI arranged to generate display data to be outputted to a display. The graphic LSI is arranged to generate predetermined display data from image data generated by a meter ECU. However, if there is a problem in a state of the meter ECU or an input status of 3D moving picture data, the graphic LSI receives a fail safe control from the CPU (4), thereby to generate fail safe display data corresponding to the predetermined display data. This realizes an on-vehicle display system capable of stably displaying important vehicle information.