Abstract: A plasma display panel drive apparatus that executes a gradation display by having an address period in which light-emitting cells are set, and a sustain period in which the light-emitting cells that were set in the address period are repeatedly lit up, is provided with: a pulse-output device which outputs a drive pulse to the plasma display panel during the sustain period; a first intensity-level-detection device which detects the average intensity level; a second intensity-level-detection device which detects the intensity level of each discharge cell; and a pulse-voltage-control device which controls the pulse-output device such that the drive-pulse voltage changes based on the average intensity level detected by the first intensity-level-detection device, and the intensity level of each the discharge cell that was detected by the second intensity-level-detection device.

Abstract: A power supply line VL is formed with a protruding portion. Contacts are formed in this portion and a drain region of a second transistor is connected to the contact. Because the contacts are provided off line from a primary current flow path of the power supply line, a low resistance can be maintained in the power supply line VL.

Abstract: To appropriately adjust luminance and a black level even when characteristics of an organic EL display element should be changed due to an environmental change or heat self-generation, to display a stable image. A current detector detects a level of a total panel current flowing in an organic EL panel. The detected level is subjected to A/D conversion before being supplied to an adder. Meanwhile, a video signal is supplied to a current calculator 24 to be converted into data corresponding to the level of a total panel current, before being supplied to the adder. The adder then compares an average total panel current level, estimated based on a video signal, and an actual total panel current level, to obtain a difference so that a black level for image data to be supplied to the panel is adjusted according to the difference.

Abstract: A light emitting display. A first capacitor is coupled between a gate of a first transistor and a power supply voltage. The gate thereof is coupled to a gate of a second transistor, and a data current from a data line is transmitted to the second transistor to set the gate voltages of the first and second transistors as a first voltage. A second capacitor is formed between the gates of the first and second transistors, and the data current from the data line is intercepted. Here, the first capacitor stores a second voltage by coupling of the first and second capacitors. A driving current output from the first transistor is transmitted to a light emitting element, corresponding to the second voltage.

Abstract: A liquid crystal display device can suppress the local temperature elevation of a liquid crystal in the vicinity of drivers. On a liquid-crystal-side surface of one substrate out of substrates which are arranged to face each other in an opposed manner while sandwiching a liquid crystal therebetween, a switching element which is operated in response to scanning signals from a gate signal line, a pixel electrode to which video signals from a drain signal line are supplied via the switching element, and a reference electrode which generates an electric field between the reference electrode and the pixel electrode are mounted on each pixel region of the liquid-crystal-side surface. The video signals from the drain signal line are generated by a driver chip mounted on one substrate. A light transmittivity of the liquid crystal layer is set to take a minimum value when a voltage is not applied between the pixel electrode and the reference electrode.

Abstract: A liquid crystal display device having a plurality of pixels arranged in a matrix, a plurality of video signal lines for supplying video signal voltages to the plurality of pixels, and a drive circuit which selects a voltage level of a gray scale voltage varying periodically as one of the video signal voltages corresponding to display data to be supplied to one of the plurality of pixels. The drive circuit has a plurality of series combinations of plural processing circuits, wherein each of the plurality of series combinations of plural processing circuits corresponds to one of the plurality of video signal lines, and each of the plural processing circuits comprises a parallel combination of a first switching element and a second switching element. The first and second switching elements are made operative or inoperative as a switch in accordance with different conditions.

Abstract: A digital image signal is serially transferred to each of pixels through a drain signal line. The digital image signal is sampled at pixel selecting transistors, converted from a serial signal to a parallel signal, and then converted to an analog image signal by a DA converter. This DA converter includes a plurality of capacitor electrodes coupled to a pixel electrode at a weighted capacitance ratio and a clock supplying portion for supplying periodic clock signals to the plurality of the capacitor electrodes in response to the digital image signal. The analog image signal is applied to the pixel electrode. This simplifies a configuration of peripheral circuits of the pixel, and accordingly reduces the frame area of a panel and the number of wiring lines.

Abstract: A method and apparatus of driving a liquid crystal panel to prevent an image distortion and a non-uniform phenomenon in the light transmissivity caused by propagation delay in a scanning wiring of the liquid crystal panel. Data signal voltages are supplied to a signal wiring with a predetermined time interval in accordance with a delay characteristic of a scanning signal in the scanning wiring. Accordingly, even when the scanning signal is delayed in the scanning wiring, the data signal voltages are accurately applied to all liquid crystal cells and hence a picture displayed on the liquid crystal panel is not distorted.

Abstract: Disclosed is a method for driving a liquid crystal display, in which the response speed of a liquid crystal is improved by the change of gate pulse voltage. The method comprises the steps of: sequentially generating a plurality of gate pulse voltages having 1st to 3rd levels while being synchronized with vertical clock signal in said 1 vertical period; in invert driving, dividing the generating period of the plural gate pulse voltages into a charge period, a holding period and a discharge period in respective polar periods corresponding to the 1st to 3rd levels of the plural gate pulse voltage; and converging pixel voltage of the discharge period to a common voltage level, wherein the 3rd level exists in a range between the 1st level and the 2nd level.

Abstract: A driver for driving a liquid crystal display includes an input terminal that inputs input data, an output terminal that outputs output data, a bi-directional common driver equipped with a first input/output terminal and a second input/output terminal and an input/output relationship of the first input/output terminal and the second input/output terminal being reversed in accordance with a shift direction controlled by a control signal. The display also includes an input switching unit that is disposed between the input terminal and the first and the second input/output terminals of the bi-directional common driver and that selectively inputs the input data from the input terminal to one of the first input/output terminal and the second input/output terminal and an output selecting unit that is disposed between the output terminal and the first and the second input/output terminals of the bi-directional common driver and that selectively leads and outputs the output data to the output terminal.

Abstract: The present invention provides an electro-optical device including, on a substrate, data lines extending in a predetermined direction, scanning lines extending orthogonal to the data lines, pixel electrodes and pixel switching elements arranged at intersections of the scanning lines and the data lines, and capacitors including, as first electrodes, conductive layers connected to or extending from the data lines.

Abstract: In a LCD monitor, a predetermined part (PA) of the displayed information is highlighted by causing the backlighting to produce more light. The area outside the predetermined area (PA) is kept at a substantially constant brightness by adjusting the video data driving the panel. The actual amount of light produced by the backlighting is measured to obtain a more constant brightness outside the predetermined area (PA).

Abstract: A user interface for manipulating objects of various types in a consistent manner. Each on-screen object is surrounded by a control region including a number of zones for performing various control operations on the object. Multiple input modes are available for interacting with the zones, allowing object manipulation commands to be initiated in several different ways, such as via stroke input, pressing a mouse button, double-clicking, menu selection, voice input, and the like. The user interface is operable using any of several different types of input devices.

Abstract: An optical user interface for controlling a portable electric device, such as a portable phone is provided. The user interface comprises a stripe-like optical contact surface, on which the finger of the user of the electric device is placed. A series of images of the fingerprint is taken and processed such that a motion vector or an image of the fingerprint is obtained. The invention provides a small-sized and economical user interface in terms of battery consumption and manufacturing costs.

Abstract: A key-free mouse includes a top cover and a bottom cover connected to each other through a pivotal connection of locking pins to locking slots. The locking pins and the locking slots are respectively provided at inner side of the top and the bottom covers at front and rear ends of a longitudinal axis thereof, so that the top cover is pivotally turnable about the longitudinal axis by a predetermined degree relative to the bottom cover to actuate a left or a right switch provided in the mouse. Elastic elements such as springs are provided in the mouse separately at predetermined positions for providing the top cover with suitable supporting elasticity to recover from a pivotally turned and laterally inclined position.

Abstract: A mouse having X- and Y-position encoders, and associated circuitry for generating X- and Y-movement data, additionally includes an optical sensor for producing grey-scale image data, thereby allowing the mouse to serve both as a positioning device and an optical input device. Desirably, the substrate on which the optical sensor is formed also includes a steganographic decoder. This decoder can enable a variety of functionality, such as linking to web addresses steganographically encoded in print media (e.g., by subtle inking variations or by texture). In other embodiments, such a peripheral is provided without mouse-like functionality, and again permits reading machine-readable indicia printed in catalogs and the like.

Abstract: A variation in threshold may be suppressed by structuring an analog switch by a MOS transistor and forming a signal synchronized to a clock by making the clock which is a common signal in continuity or discontinuity. An object of the present invention is to reduce the variation in the signal synchronized to the clock by the variation in threshold of the MOS transistor in a circuit which is synchronized to the clock.

Abstract: The present invention can realize better display of a dynamic image, and in addition, can make storage capacity of a memory smaller. A data conversion circuit 112 compares display data 102 of an n-th frame from the outside and display data 116 of the (n?1)-th frame stored in the memory 104, to generate a driving data signal 117 to deliver to a driver. Each time when a memory control circuit 103 reads display data q0, q5, q10, q15 corresponding to 20 pixels out of the display data 116 of the (n?1)-th frame, the memory control circuit 103 compresses display data d0–d19 of 20 pixels out of the display data 102 of the n-th frame from the outside to generated d0, d5, d10, d15, and stores the generated data into the same area where the display data q0, q5, q10, q15 of the display data of the (n?1)-th frame have been stored.

Abstract: The invention relates to a system and method for visually displaying data and, more particularly, to a system and method for displaying full screen high frequency data on a flat panel without using a frame buffer that would otherwise not be displayed. The system and method displays a full screen, color, image that allows a user to adjust its computer back to a correct setting. That is, to exit the high frequency mode that produced the high frequency digital data in the first instance without having to connect a CRT, reboot, or the like. The system and method drives the panel's rows and columns so as to display interlaced data, thereby reducing the effective vertical frequency of the data. Because the human eye is incapable of perceiving the blank lines, the screen appears complete just as it does in the normal mode.

Abstract: A dynamic controller for a light emitting active-matrix display, the display being responsive to code values for producing a light output, including: photosensor located on the display for sensing the light output from the display and generating a feedback signal representative thereof; a feedback signal converter for converting the feedback signal to a converted feedback signal having the same form as the code value; a code-value corrector including a memory responsive to a code value for producing a corrected code value; and an update calculator responsive to the converted feedback signal, the code value and the corrected code value to update the memory to minimize the difference between the converted feedback signal and the code value.

Abstract: A three-dimensional virtual model is entered that is made up of various components. An attribute definition file is then created that includes an attribute list defining different attributes for component of the three-dimensional virtual model. A rule definition file is further created that defines in advance a conversion rule for converting an attribute value into a display color for each attribute of the components. When the user selects an attribute to be color coded from the attribute list and selects a conversion rule corresponding to the selected attribute, components of the three-dimensional virtual model are displayed with different colors in conformity with the conversion rule selected.

Abstract: A system and method for optimizing the performance of a graphics intensive software program for graphics acceleration hardware. This system and method encompasses a procedure that validates the different functions of a 3D acceleration capable video card, decides whether to use the acceleration hardware and optimizes the software application to selectively use the functions that work on the specific video acceleration card. Functions checked include sub-pixel positioning, opacity, color replacement and fog. If these tests are successful, then the graphics acceleration is used by the software application. However, if the tests are not successful the decision is made not to use graphics accelerator. Those with ordinary skill in the art will realize that it is not necessary to perform all of the tests in a specific order.

Abstract: A hierarchy of bounding volumes for objects is generated for use during ray tracing. The hierarchy of bounding volumes improves image quality and well as processing time during rendering. A memory cost factor is identified that relates to the increase in the amount of memory for a subdivided volume compared to its undivided form. An estimate is made of the average number of surface intersections made with a ray passing through the undivided volume and the divided volume, and a factor is evaluated that measures the reduction in such intersections resulting from the subdivisions. A comparison between the memory cost factor and the intersection reduction factor determines whether or not a bounding volume is further subdivided. These tests are then applied recursively to the newly created bounding volumes.

Abstract: An image generation system, program, and information storage medium can realistically represent reflection of light on a given object or topographic surface with a reduced computation load. The image generation system includes a section which assigns, to a given object or topographic surface disposed in a virtual three-dimensional space, a virtual object which has at least one of nonuniform brightness or color and is used for representing a light reflection effect on the object or topographic surface; a section which determines a position of the virtual object so that the virtual object moves to follow a virtual camera or player's character, and disposes the virtual object at the determined position; and a section which generates an image of the virtual three-dimensional space viewed from the virtual camera by performing translucent blending processing of the object or topographic surface and the virtual object assigned to the object or topographic surface.

Abstract: A method, system, and program for providing runtime graph parameters and conditional components for data flow graphs. Runtime parameters allow an application builder to defer the value of a parameter setting to runtime. The values of runtime parameters may be supplied by the end user or be derived from a combination of other runtime parameters or objects stored in an object repository. A developer may specify a prompt for each parameter and the conditions for displaying the prompt, which are used to determine a graphical user interface control for receiving the parameter value. A conditional components mechanism permits changes to a graph structure based on parameter values and computed metadata. Each component of a graph has a condition which controls whether or not that component will appear in the graph at runtime. The condition can be computed directly or indirectly through runtime parameters.

Abstract: A method and an apparatus are provided for controlling a graphical user interface to display a plurality of data items in a first orientation. In the event that the GUI is subsequently requested to display the data items in a second orientation, the GUI, operating under software control, animates the required movement of the individual data items such that the individual data items are shown moving from their positions in the first orientation to their positions in the second orientation.

Abstract: A system and process for adding a photorealistic rendering of a body of water to a virtual 3D scene or image and creating a video therefrom having interactive water effects. A region of water is added to an image by adding an area depicting the original scene as it would appear if reflected by still body of water. Then, the appearance of the added water region is distorted over a series of image frames in such a way as to simulate how the reflected scene would look if the surface of the water were in motion. The water can have dynamic waves and the user can interact with the water in numbers of ways, including generating ripples on the water surface and creating rain. In addition, these effects can be achieved at full screen resolution with the use of the latest graphics hardware by employing a texture shifting technique.

Abstract: A method and system for monitoring frame flow in a Fiber Channel network is provided. The method includes, deleting fill words before any frame data is allowed to be stored in a buffer memory; storing only certain primitive signals and/or frame data in the buffer memory; reading the buffer memory without delay, if a primitive signal is stored in the buffer memory; and delaying reading the buffer memory if frame data is detected. The network includes, a host bus adapter that includes a fiber channel protocol manager that includes a receive logic that deletes fill words before any frame data is allowed to be stored in a buffer memory, wherein the buffer memory stores only certain primitive signals and/or frame data and the buffer memory is read without any delay, if a primitive signal is stored, while a read operation of the buffer memory involving frame data is delayed.

Abstract: A deferred graphics pipeline processor comprising a texture unit and a texture memory associated with the texture unit. The texture unit applies texture maps stored in the texture memory, to pixel fragments. The textures are MIP-mapped and comprise a series of texture maps at different levels of detail, each map representing the appearance of the texture at a given distance from an eye point. The texture unit performs tri-linear interpolation from the texture maps to produce a texture value for a given pixel fragment that approximates the correct level of detail. The texture memory has texture data stored and accessed in a manner which reduces memory access conflicts and thus improves throughput of said texture unit.

Abstract: A method, apparatus, and system to concurrently render independent images for display on one or more display devices. In an embodiment, a graphics-rendering engine concurrently renders independent images for display on multiple display devices. A time allocator arbitrates the concurrent use of the graphics-rendering engine between each independent image being rendered.

Abstract: To provide an image display system, projector, image processing method, program and information storage medium enabling to shorten the time required for calibration when the color and brightness of an image is corrected in consideration of the influence of the ambient light, there is provided a liquid crystal projector having: a calibration signal generation section for generating four types of calibration image signals; a color light sensor for colorimetry of calibration images; a color correction section for correcting image information based on the color information from the color light sensor to correct the color of the image; and a brightness correction section for correcting the image information based on the color information from the color light sensor to correct the brightness of the image. The liquid crystal projector displays the image after the image information is corrected such that the color and brightness of the image are corrected according to the viewing environment.

Abstract: A method comprising performing white component replacement on a first image signal received by a display device to generate a second image signal, applying a skew-sigmoid opto-electronic transfer function to the second image signal to generate a third image signal, converting the third image signal to a fourth image signal using a conversion matrix, and providing the fourth image signal to the spatial light modulator associated with the display device is provided.

Abstract: A system and method for rendering a non-zero thickness line on a pixel-limited output device such that aliasing of the line is reduced. The edges defining a line segment are expanded to insure that any pixel touched by the line segment has its center included in the bounds of the line segment. The area of any pixel partially or fully covered by the expanded line is determined. If one edge of the line traverses the pixel, the area is determined according to whether a triangular or triangular plus parallelogram area is covered. If more than one edge of the line segment traverses a pixel, the area covered is computed based on the single edge case. With the area covered by the line segment known, the color or shading of the pixel is determined by linear interpolation between the line and the background.

Abstract: The invention provides a system and method for mixing graphics and text in an on-screen display application. The system includes font and character memories. The font memory stores bitmaps associated with characters to be displayed on a display device. The character memory, in turn, includes a font portion and an attribute portion. The font portion stores a font index of characters to be displayed, the font index being used to address the font memory. The attribute portion stores a plurality of attributes associated with a character to be displayed. The plurality of attributes includes a text/graphic attribute indicative of a text character or a graphic clip and a redirection attribute indicating mapping of a main color memory using an expanded color memory.

Abstract: The present invention can realize an information processing apparatus and a method therefor which can prevent a degraded visibility even if the posture of the information processing apparatus is changed in order to provide better portability or to prevent surrounding persons from snooping in the middle of a travel by displaying image information on a display surface and changing the display orientation by rotating the image information as required based on an angular component in a change of the posture of the display surface.

Abstract: A display device comprising a CPU 53, displays section 67 and a video memory 70. The video memory 70 stores data about the character data and image data that the application software processes in an absolute coordinate system. The display section 67 displays the character data and the image data, both based on the data stored in the video memory 70. The CPU 53 controls the writing of data from the application software into the video memory 70 and the reading of data from the video memory 70 to the display section 67.

Abstract: An imaging apparatus (10) adapted for imaging onto a photosensitive medium (160) in one of a number of selectable image formats. A telecentric print lens assembly (132) can be indexed to any one of a plurality of positions along the output optical axis for imaging in a specific format. The print lens assembly (132) can be manually indexed or can be moved by a focus mechanism (80) under the control of a control logic processor (24).

Abstract: A videoconferencing system uses a stand-alone video/audio transcapture module with an H.323-compliant broadband Internet connection through a server to conduct real-time videoconferencing. The system provides directory service to work behind Network Address Translation systems by means of backend servers that use Lightweight Directory Assistance Protocol servers to map numbers to IP addresses. The system further incorporates an automatic firmware update service to provide updated firmware updates each time the transcapture module is rebooted. The system also provides an automatic commercial download service to provide module specific bannerization capability, so that each transcapture module can receive directed commercials.

Abstract: A liquid ejection apparatus includes liquid cartridges, each of which includes a liquid container and a pressure chamber, the liquid container having a flexible portion and storing liquid therein, and the pressure chamber applying pressure to the flexible portion of the liquid container; a liquid ejection head, which ejects the liquid; liquid flow paths, which communicate the liquid containers with the liquid ejection head; and an air supply member, which supplies pressurized air to the pressure chambers for compressing the flexible portions so as to supply the liquid from the liquid containers to the liquid flow paths. The air supply member includes: a distribution member, which has an air intake portion for introducing the pressurized air, and air outlet portions for distributing the pressurized air to the liquid cartridges, and branch flow paths, which respectively communicate the air outlet portions with the pressure chambers of the liquid cartridges.

Abstract: The image scanning system (52) of the present invention scans slides and film strips containing photographic images and creates a corresponding plurality of digital representations of the photographic images. The system (52) includes a touch screen monitor (96), a computer (54), a scanner (62), a high speed interface (112) and a printer (98). The scanner (62) includes a light source (172) for projecting light through the film strip. A light sensor (124) senses the light projected through the film strip and generates pixel data. A film drive advances the film strip between the light source (172) and the light sensor (124). A lens located between the light source and the light sensor directs the light projected through the film strip onto the light sensor (124). The pixel data is transmitted through the high speed interface (112) to the computer (54) for processing operations. After the pixel data has been processed, digital images are displayed on the monitor (96) and may also be printed out.

Abstract: An electronic pickup camera including an electronic pickup element which photoelectrically converts an object image to form an image signal, an image conversion unit which converts the image signal formed by the electronic pickup element to image data of a predetermined format, a storage unit which stores the image data converted by the image conversion unit, a transmission unit which enables transmission of the image data stored in the storage unit to an external device, and a control unit which makes a decision as to whether an external device to which the transmission unit transmits the image data is a predetermined external device, and selects an accompanying process for the transmission, on the basis of a result of the decision. One embodiment of the invention relates to the deletion of the transmitted image data.

Abstract: A flicker correction apparatus for correcting a flicker component of an image signal obtained by imaging an object using an imaging device is provided. The apparatus comprises an image average calculation section for calculating an average of the image signal, a flicker frequency calculation section for calculating a flicker frequency, a flicker data extraction section for extracting flicker data using the average of the image signal and the flicker frequency, a flicker determination section for determining the presence or absence of a flicker phenomenon using the flicker data, a flicker correction amount calculation section for calculating a flicker correction amount using the flicker data, and a flicker correction section for removing the flicker component of the image data using the flicker correction amount.

Abstract: A dynamic image adaptation system and method for adjusting the quality of digital prints. The system includes an illumination source that illuminates an imaging surface of a live scanner optical system, the live scanner optical system scanning a biometric object placed on the imaging surface, a camera for capturing the print image of the biometric object placed on the imaging surface, a memory that stores data generated in the system, and a controller that adaptively controls at least one of the illumination source or the camera to obtain the print image with the predetermined quality. The controller adaptively controls the camera and the illumination source by adjusting one or more of contrast, gain, and integration time for the camera, and illumination for the illumination source.

Abstract: Projectors display a movie of a tourist resort, which is a background image, on screens, and video cameras take video by overlapping a subject walking on a treadmill with the background image. Therefore, the subject can be naturally combined in the background image, and also can enjoy a virtual experience such as strolling at the tourist resort during the video taking.

Abstract: A digital camera includes an image control processing section in which a memory controller controls a video memory, a bus arbitrator, a display sequencer, and a timing adjusting section. Image data are read out of the video memory and fed to a data corrector. The display sequencer adjusts a sampling order in accordance with the combination of luminance data and color data constituting the image data, while varying a packet size. The bus arbitrator arbitrates access requests in accordance with priority to thereby reduce the occupation ratio of a bus. The data corrector restores and processes the image data and then delivers them to a buffer memory included in the timing adjusting section.

Abstract: To reduce variations in output current of individual pixels resulting from variations in threshold voltage of the MOS transistor T1 provided in each pixel, the threshold voltage of the MOS transistor T1 of each pixel is measured to acquire compensation data with which to correct the output current from the individual pixels. To acquire this compensation data, first, a MOS transistor T2 is turned on to apply a direct-current voltage VRB to the gate of the MOS transistor T1, and the MOS transistor T3 is turned off to disconnect the gates of the MOS transistors T1 and T4 from each other. Next, in this state, by turning a signal ?VPS first to a low voltage and then to a voltage close to a direct-current voltage VPD, a negative electric charge is accumulated in the MOS transistor T1.

Abstract: A vertical color filter detector group with highlight detector for generating data for a picture element. In one embodiment, the detector group includes three photodiodes each having its own spectral sensitivity and saturation exposure level and a highlight diode having a highlight saturation exposure level. The three photodiodes are located substantially each above or below the others in a semiconductor substrate with the highlight diode in close physical proximity thereto. The four diodes react to light exposure at about the same time as one another. The saturation exposure levels of the three photodiodes are about equal to each other and the highlight saturation exposure level is higher than each of the other three levels. The highlight diode may not be directly exposed to light, but it is close enough to the exposed photodiode region to collect some photoelectrons that are not collected by the three photodiodes.

Abstract: An operating condition judging circuit judges a supply voltage level of a power supply source. A controller controls a frequency of sweep-out of unnecessary charge in the imaging element based on an output level of the power supply source for reducing peak consumed current and power consumption and thereby extending battery life.

Abstract: The present invention is directed to obtaining an image having predetermined brightness, while making the degradation of the image as little as possible. A distance (an irradiation distance d) at which a predetermined amount of reflected light can be obtained is obtained from the guide number Gn of a strobe and the f-stop value F (the focal distance f of a zoom lens). When the strobe is used, it is judged whether or not a subject is positioned within the irradiation distance d. When the irradiation distance d of the strobe is shorter than the distance to the subject, that is, the subject is beyond the irradiation distance d of the strobe, an imaging signal is amplified than usual.

Abstract: A solid state image pickup device is provided which can reduce crosstalks between range finding photoelectric conversion elements (AF sensor) and photometry photoelectric conversion elements (AE sensor). The solid state image pickup device has an n-type epitaxial semiconductor region, a p-type first well region formed in the semiconductor region, a p-type second well region formed in the semiconductor region and electrically separated from the first well, an n-type first impurity doped region formed in the first well region and an n-type second impurity doped region formed in the second well, wherein a photometry photoelectric conversion element is formed by using the p-type first well region and n-type first impurity doped region, and a range finding photoelectric element is formed by using the p-type second well region and n-type impurity doped region.