Patent application number | Description | Published |
20080218466 | Display device and electronic equipment - A display device includes a display unit in which pixels are arranged in a matrix state and a drive circuit selecting respective pixels in the display unit by each row and giving additional potential to pixel electrodes of the pixels by using coupling, in which the drive circuit has a function of allowing the reverse polarity of potential added to pixel electrodes to be a potential which can add suitable voltage to additional potential lines in a frame before adding the additional potential. | 09-11-2008 |
20080224972 | Digital/analog converter circuit, level shift circuit, shift register utilizing level shift circuit, sampling latch circuit, and liquid crystal display device incorporating the same - This invention relates to a digital/analog converter circuit, a level shift circuit, a shift register containing this level shift circuit, a sampling latch circuit and a latch circuit as well as a liquid crystal display device mounted with these respective circuits, wherein a drive circuit integrated with the LCD device containing the digital/analog converter circuit has polysilicon thin film transistors arrayed in a matrix on the substrate as switching devices for the pixels, a level shift circuit in the shift register has a basic structure of CMOS latch cells and is utilized in each level shift of the clock signal at each transfer stage, a sampling latch circuit with a basic structure of CMOS latch cells has a level shift function, and these respective circuits may be incorporated into a single scanning type structural circuit with the drive circuit-integrated liquid crystal display device to provide an LCD panel with an extremely narrow picture frame, stable level shift operation, stable sampling & latch operation in a circuit structure having an extremely small number of components, low power consumption and a small surface area. | 09-18-2008 |
20080231564 | DISPLAY APPARATUS AND METHOD FOR CONTROLLING THE SAME - Disclosed herein is a display apparatus including: a display panel having a display function and a light-receiving/imaging function; a first image processing section configured to generate a detection signal that indicates whether a to-be-detected object has been detected based on a result of first image processing performed on an image taken by the light-receiving/imaging function; a second image processing section configured to perform second image processing on the image processed by the first image processing section, the second image processing having a heavier processing load than the first image processing; and a control section configured to control an operation of the second image processing section in accordance with the detection signal generated by the first image processing section, and, when it is determined that the processing by the second image processing section is not necessary, control the second image processing section to enter a sleep state. | 09-25-2008 |
20080238855 | Image display apparatus and image display method - An image display apparatus includes a display section having a pixel unit included in a layout of a pixel matrix and provided with a memory unit used for storing a logic level of input image data; a vertical driving section for asserting a scan signal on a scan line provided for the display section; and a horizontal driving section for asserting a driving signal according to the input image data on a signal line provided for the display section. | 10-02-2008 |
20090002083 | Oscillation Circuit, Power Supply Circuit, Display Device, and Electronic Apparatus - An oscillation circuit, power supply circuit, display device using same, and electronic apparatus which can be built in a display panel without causing an increase of cost and do not need any adjustment work, each having a pulse generation portion | 01-01-2009 |
20090066866 | Liquid crystal display apparatus - Disclosed herein is a liquid crystal display apparatus, including: a liquid crystal panel having a display region for displaying an image and having a plurality of pixels disposed in the region; and a pair of first and second polarizing plates provided in an opposing relationship to each other through the display region; the liquid crystal panel including a first substrate, a second substrate opposed in a spaced relationship to the first substrate, and a liquid crystal layer sandwiched by and between the first and second substrates and oriented. | 03-12-2009 |
20090091579 | Image Display Apparatus, Electronic Device, Portable Terminal Device, and Method of Displaying Image - The present invention is applied to e.g. a liquid crystal display apparatus based on a multi-bit memory system. In the invention, input image data (SIG) is recorded in a memory part | 04-09-2009 |
20090096947 | Liquid crystal display device and image displaying method of liquid crystal display device - The present invention provides a liquid crystal display device for displaying a desired image by a display unit, the display unit being formed by sandwiching a liquid crystal layer between a thin film transistor substrate and a CF substrate and arranging liquid crystal cells formed by the liquid crystal layer in a form of a matrix, wherein the thin film transistor substrate is created by disposing at least a transistor used to drive a liquid crystal cell and a pixel electrode of the liquid crystal cell on an insulating substrate, and a part or all of a storage capacitor of an adjacent liquid crystal cell is created in a layer below the pixel electrode with a shield layer interposed between the pixel electrode and the storage capacitor. | 04-16-2009 |
20090115802 | DISPLAY DEVICE, DISPLAY CONTROL METHOD AND ELECTRONIC EQUIPMENT - A display device includes: a first detection section configured to detect the light intensity around a display area; a second detection section configured to detect the dark current when light is shielded; and a comparator configured to compare the difference output between the first and second detection section against a given reference value. The display device controls the light intensity supplied to the display area according to the comparison result of the comparator. | 05-07-2009 |
20090147191 | DISPLAY APPARATUS - A liquid crystal display apparatus having little influence of noise and able to improve an SN ratio of a light reception system without requiring a calibration operation when turning on the power, is provided. The apparatus has a plurality of display cells | 06-11-2009 |
20090179880 | Display device and luminance control method therefor - Disclosed herein is a display device having an insulating substrate, an effective pixel area formed on the insulating substrate and having at least pixels arranged in the form of a matrix, and a peripheral circuit formed on the insulating substrate so as to surround the effective pixel area, the pixels being driven by the peripheral circuit to display a desired image in the effective pixel area, the display device including an extraneous light sensor provided in the effective pixel area for detecting extraneous light to output an extraneous light quantity detection result for use in controlling the luminance of the image. | 07-16-2009 |
20090194760 | Memory element and display device - Disclosed herein is a memory element, including a parallel combination of a thin film transistor; and a resistance change element, the thin film transistor including a semiconductor thin film in which a channel region, and an input terminal and an output terminal located on both sides of the channel region, respectively, are formed, and a gate electrode overlapping the channel region through an insulating film to become a control terminal, the resistance change element including one conductive layer connected to the input terminal side of the thin film transistor, the other conductive layer connected to the output terminal side of the thin film transistor, and at least one oxide film layer disposed between the one conductive layer and the other conductive layer. | 08-06-2009 |
20090213101 | Display Device and Electronic Apparatus - A display device able to amplify the same input as a power supply voltage of IC by using low temperature polysilicon having high threshold voltage and large variation and an electronic apparatus using the same, including MCK use level shifters | 08-27-2009 |
20090219277 | Imaging Device, Driving Method of the Same, Display Device and Electronic Apparatus - In an imaging device including imaging elements, a driver configuration which does not require much layout space and ensures a reduced number of wirings is provided. The imaging device includes imaging elements | 09-03-2009 |
20090231313 | Display Apparatus and Electronic Apparatus - A display apparatus is provided which includes a display element section ( | 09-17-2009 |
20090273593 | Display Device and Electronic Device - A display device of a type capable of narrowing the pitch, realizing narrowing of the frame, and further lowering the power consumption and an electronic device using the device, wherein two horizontal drive circuits | 11-05-2009 |
20090310007 | IMAGE-PICKUP DEVICE AND DISPLAY APPARATUS - An image-pickup device includes a photoelectric conversion element | 12-17-2009 |
20100097340 | Liquid-crystal display panel and chopper-type comparator - A liquid-crystal display panel includes: gate lines each serving as a row-direction line which is one of the rows of a two-dimensional matrix; data signal lines each serving as a column-direction line which is one of the columns of the two-dimensional matrix; a plurality of liquid-crystal pixel sections which are laid out to form the two-dimensional matrix and each placed at the intersection of one of the gate lines and one of the data signal lines; chopper-type comparators each connected to one of the data signal lines and each used for converting the value of a sensor signal read out from one of the liquid-crystal pixel sections connected to the data signal lines into a binary value; and a shift register for converting outputs of the chopper-type comparators from parallel data into serial data and outputting the serial data. | 04-22-2010 |
20100128004 | IMAGE PICKUP DEVICE, DISPLAY-AND-IMAGE-PICKUP DEVICE, ELECTRONIC APPARATUS AND METHOD OF DETECTING AN OBJECT - An image pickup device capable of stably detecting an object irrespective of use conditions while reducing manufacturing costs is provided. When illumination light from a backlight | 05-27-2010 |
20100141598 | DISPLAY, DISPLAY DRIVING METHOD, AND ELECTRONIC APPARATUS - A display includes: a display section having a plurality of pixels provided in a region where a first substrate and a second substrate are disposed opposite to each other; a switch provided in the region where the first substrate and the second substrate are disposed opposite to each other, the switch having two electrodes closed by a pressure from outside; a detecting section comparing a signal from the switch with a reference signal to determine whether the switch is closed or not; and a precharge section applying a precharge potential to a wiring in continuity with one of the electrodes of the switch prior to the detection at the detecting section. | 06-10-2010 |
20100141623 | DISPLAY DEVICE, DISPLAY CONTROL METHOD, AND ELECTRONIC APPARATUS - A display device is provided and includes a first photosensor that detects the light amount of ambient light of a display area, a second photosensor that detects dark current arising when light is blocked, and changeover switches that select the first photosensor and the second photosensor. The display device further includes a comparator that compares the output of the selected first photosensor or second photosensor with a predetermined reference value, and control means that calculates the difference between the comparison result by the comparator with the first photosensor and the comparison result by the comparator with the second photosensor and controls the amount of light supplied to the display area corresponding to the calculation result. This configuration suppresses the influence of a detection error due to variation in the performance between the photosensors applied to the display device to thereby accurately adjust the amount of light supplied to the display area. | 06-10-2010 |
20100149080 | LIQUID CRYSTAL DISPLAY PANEL AND ELECTRONIC DEVICE - A LCD panel is proposed, which meets analog display mode and memory display mode. The LCD panel includes a capacitive element, first to third switch elements, and a circuit. The first switch element turns ON during a first operation for writing pixel potential from signal line to the capacitive element, and turns OFF during a second operation. The second and third switch elements turn OFF during the first operation. The second switch element turns ON during a readout period in the second operation, to read out the pixel potential from the capacitive element. The third switch element turns ON during a write period in the second operation, to rewrite the pixel potential into the capacitive element. The circuit restores a logic level of the pixel potential read out from the capacitive element, and rewrites inversion of the restored logic level to the capacitive element. | 06-17-2010 |
20100188346 | DISPLAY APPARATUS, DISPLAY APPARATUS DRIVING METHOD, AND ELECTRONIC DEVICE - Disclosed herein is a display apparatus including: a display block configured to have a plurality of picture elements; a switch arranged inside the display block and configured to be closed by an external pressure; a detection block configured to detect whether the switch is closed based on a comparison between a signal supplied from the switch and a reference signal; a precharge block configured to give a precharge potential to a wire conducting with one of electrodes of the switch before detection is executed in the detection block; and a detection block potential supply block configured to give a predetermined potential to a wire conducting with the other electrode of the switch before detection is executed in the detection block. | 07-29-2010 |
20100188347 | LIQUID CRYSTAL DISPLAY DEVICE - An embodiment of the invention provides a liquid crystal display device, including a first substrate; a second substrate; a liquid crystal layer formed between the first substrate and the second substrate; a first sensor electrode formed on the first substrate; a second sensor electrode formed on the second substrate, and disposed so as to be adapted to contact the plurality of first sensor electrodes close to one another by pressing from a side of either the first substrate or the second substrate; and a sensor drive circuit for applying a voltage to a first wiring electrically connected to one of the plurality of first sensor electrodes which the second sensor electrode is adapted to contact by the pressing, and detecting a change in potential of a second wiring electrically connected to another one of the plurality of first sensor electrodes. | 07-29-2010 |
20100220077 | IMAGE INPUT DEVICE, IMAGE INPUT-OUTPUT DEVICE AND ELECTRONIC UNIT - An image input device capable of acquiring object information irrespective of usage conditions, is provided. The image input device includes a light source, a light source driving section, a first photo-detection element, a photo-detection-element driving section, and an image processing section. The light source driving section drives the light source so that ON period is shorter than OFF period. The photo-detection-element driving section drives the first photo-detection element so that read operations are performed after respective light reception periods which are same in length both in the ON period and in the OFF period. The image processing section generates a first difference image based on an ON image and an OFF image, and acquires the object information based on the first difference image. The ON/OFF images are acquired based on respective output signals from the first photo-detection element in the ON/OFF periods. | 09-02-2010 |
20100220107 | LIQUID CRYSTAL DISPLAY AND PORTABLE TERMINAL HAVING THE SAME - A liquid crystal display that is unsusceptible to the effect of a pixel potential during writing of data to a memory, allowing a large margin to be provided against variation in characteristics of transistors forming a pixel circuit, and a portable terminal having the liquid crystal display. In a pixel circuit including a memory circuit ( | 09-02-2010 |
20100271321 | INFORMATION INPUT DEVICE, INFORMATION INPUT/OUTPUT DEVICE AND ELECTRONIC DEVICE - An information input device includes an input panel including an illumination light source, a plurality of first light-receiving elements and one or more second light-receiving elements, the illumination light source emitting detection light for detecting an external proximity object, the plurality of first light-receiving elements receiving detection light emitted from the illumination light source and then reflected from the external proximity object, the second light-receiving elements for monitoring the intensity of the detection light; a correction section performing adaptive sensitivity correction on light-receiving signals obtained by the first light-receiving elements through use of an intensity monitor signal of detection light obtained by the second light-receiving element; and an image processing section obtaining object information about one or more of the position, shape and size of the external proximity object based on a picked-up image obtained from the light-receiving signals subjected to the sensitivity correction by the correction section. | 10-28-2010 |
20100271336 | IMAGE PICKUP DEVICE, DISPLAY-AND-IMAGE PICKUP DEVICE, AND ELECTRONIC DEVICE - Provided is an image pickup device with which object detection can be performed with a good stability no matter in what use conditions. A display area | 10-28-2010 |
20110043471 | TOUCH SENSOR METHODS AND APPARATUS - Touch sensor methods and apparatus are provided. A first photodiode includes an i-region of a first length. A second photodiode includes an i-region with a second length. A sensing component including a capacitive element is operably coupled to the first photodiode and the second photodiode. The first length of the i-region of the first photodiode is different than the second length of the i-region of the second photodiode. | 02-24-2011 |
20110090158 | INFORMATION INPUT DEVICE, INFORMATION INPUT PROGRAM, AND ELECTRONIC INSTRUMENT - An information input device includes: an input panel having an effective photo-detectable region in which a plurality of photodetectors are arranged for detecting an external proximity object, and having a shading region located in a margin of the effective photo-detectable region; a correction section performing outermost-region correction on an outermost photo-detection signal to increase intensity thereof, the outermost photo-detection signal being obtained from a photodetector located in an outermost-region of the effective photo-detectable region; and an image processor acquiring object information about one or more of a position, a shape and size of the external proximity object based on a resultant photo-detection signal obtained from the outermost-region correction. | 04-21-2011 |
20110109605 | DISPLAY DEVICE WITH IMAGE PICKUP FUNCTION, DRIVING METHOD, AND ELECTRONIC DEVICE - A display device with an image pickup function includes: a plurality of pixel signal lines each supplied with a pixel signal; a plurality of display pixels each performing a display operation based on the pixel signal; and a plurality of image pickup elements each including a photo-detector and a capacitor, the photo-detector generating a current of a magnitude corresponding to a photo-detection amount, the capacitor performing a discharging operation which follows a charging operation with the current from the photo-detector to output a charged voltage for a read operation. In the display device, a voltage level of the pixel signal line during the discharging operation is equal to a voltage level of the pixel signal line during the reading operation. | 05-12-2011 |
20110141408 | Liquid crystal display apparatus - Disclosed herein is a liquid crystal display apparatus, including: a liquid crystal panel having a display region for displaying an image and having a plurality of pixels disposed in the region; and a pair of first and second polarizing plates provided in an opposing relationship to each other through the display region; the liquid crystal panel including a first substrate, a second substrate opposed in a spaced relationship to the first substrate, and a liquid crystal layer sandwiched by and between the first and second substrates and oriented. | 06-16-2011 |
20120162161 | LIQUID CRYSTAL DISPLAY - A liquid crystal display having: a liquid crystal display panel in which a plurality of pixels are two-dimensionally arranged at intersecting points of gate lines as many as a plurality of rows and signal lines as many as a plurality of columns which are wired in a matrix shape; and a plurality of driver ICs for applying a signal potential to each pixel of the liquid crystal display panel through the signal lines of a plurality of columns, wherein the number of output pins of each of a plurality of driver ICs is set to the measure of the total number of signal lines of a plurality of columns, thereby preventing that a fraction occurs in the signal lines. | 06-28-2012 |
20140327853 | LIQUID CRYSTAL DISPLAY PANEL AND ELECTRONIC DEVICE - A LCD panel is proposed, which meets analog display mode and memory display mode. The LCD panel includes a capacitive element, first to third switch elements, and a circuit. The first switch element turns ON during a first operation for writing pixel potential from signal line to the capacitive element, and turns OFF during a second operation. The second and third switch elements turn OFF during the first operation. The second switch element turns ON during a readout period in the second operation, to read out the pixel potential from the capacitive element. The third switch element turns ON during a write period in the second operation, to rewrite the pixel potential into the capacitive element. The circuit restores a logic level of the pixel potential read out from the capacitive element, and rewrites inversion of the restored logic level to the capacitive element. | 11-06-2014 |