Patent application number | Description | Published |
20100013813 | DISPLAY DEVICE - Provided is a display device that has a photodetection element within a pixel and can calibrate automatically a photo sensor signal during an operation of the display device. A sensor row driver ( | 01-21-2010 |
20100045642 | DISPLAY DEVICE - A first shield electrode ( | 02-25-2010 |
20100059660 | DISPLAY DEVICE - In a liquid crystal display device ( | 03-11-2010 |
20100110053 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having an image input function capable of suppressing the degradation of image quality of a display image and a captured image caused by a parasitic capacitance is provided. The liquid crystal display device, which includes an active matrix substrate ( | 05-06-2010 |
20100110096 | DISPLAY DEVICE - A light shield ( | 05-06-2010 |
20100110350 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device of the present invention includes a liquid crystal display panel ( | 05-06-2010 |
20100118237 | LIQUID CRYSTAL DISPLAY - The present invention provides a liquid crystal display device capable of preventing the occurrence of dark currents in photodiodes. Thus, the liquid crystal display device includes a liquid crystal display panel | 05-13-2010 |
20100127280 | PHOTO SENSOR AND DISPLAY DEVICE - Provided is a photo sensor that can be downsized while suppressing occurrence of noise caused by a dark current, and a display device including the photo sensor. The photo sensor used includes a plurality of photodiodes ( | 05-27-2010 |
20100128010 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A liquid crystal display device ( | 05-27-2010 |
20100134452 | DISPLAY DEVICE - Provided is a display device that has a photodetection element within a pixel and can calibrate automatically a photo sensor signal during an operation of the display device. A sensor row driver ( | 06-03-2010 |
20100134457 | DISPLAY DEVICE - The present invention provides a display device with an image capture function including optical sensors in its pixels, in particular, a display device which allows a reduction in the size of a substrate and in power consumption by reducing the area of a peripheral region not contributory to displaying. The display device includes: an active matrix substrate ( | 06-03-2010 |
20100140631 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided are a display device in which variation in output characteristics of the photodiode is suppressed, and a method for manufacturing the display device. The display device is provided with the active matrix substrate ( | 06-10-2010 |
20100171128 | PHOTODETECTOR AND DISPLAY DEVICE PROVIDED WITH THE SAME - Provided are a photodetector capable of suppressing variations in the output characteristics among photodiodes, and a display device provided with the photodetector. A display device in use has an active matrix substrate ( | 07-08-2010 |
20100181570 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - An active matrix substrate in which variations in output characteristics of photodiodes are reduced, and a display device using this active matrix substrate, are provided. An active matrix substrate ( | 07-22-2010 |
20100193804 | PHOTODETECTOR AND DISPLAY DEVICE PROVIDED WITH THE SAME - Provided are a photodetector capable of suppressing variations in the output characteristics among photodiodes, and a display device provided with the photodetector. A display device in use has an active matrix substrate ( | 08-05-2010 |
20100302223 | IMAGE DISPLAY DEVICE - An image display device includes an image display panel ( | 12-02-2010 |
20100315394 | DISPLAY APPARATUS - The present invention provides a display apparatus with image capturing function including optical sensors in its pixels, particularly a display apparatus capable of capturing an image while suppressing the power consumption. The display apparatus includes: optical sensors and sensor wirings provided in a pixel region of an active matrix substrate; a sensor row driver for selecting the optical sensors row by row; a sensor pixel readout circuit for reading out signal charges from the optical sensors in the selected row; a sensor column amplifier including the number of amplifiers corresponding to the rows of the optical sensors for generating a sensor output voltage; a sensor column scanning circuit for selecting the signal charges readout by the sensor pixel readout circuit column by column so that the selected signal charges being outputted to the sensor column amplifier; and a buffer amplifier ( | 12-16-2010 |
20100321356 | THIN-FILM TRANSISTOR, PHOTODETECTOR CIRCUIT INCLUDING THE SAME, AND DISPLAY DEVICE - A thin-film transistor ( | 12-23-2010 |
20110080390 | DISPLAY DEVICE - Provided is a display device with a photosensor having little variation between sensors. The display device includes a photosensor in a pixel region of an active matrix substrate. The photosensor includes a photodetection element (M | 04-07-2011 |
20110080391 | DISPLAY DEVICE - A display device includes a photosensor in a pixel region ( | 04-07-2011 |
20110109601 | DISPLAY DEVICE - Provided is a display device including a photoreception unit on an active matrix substrate in correspondence with one or two or more pixels, and a driving unit that drives the photoreception unit. The photoreception unit includes a photodiode, a capacitor that accumulates a charge in accordance with the electrical signal from when a reset signal (RST) from the driving unit has switched from the high level to the low level to when a readout signal (RWS) at the high level from the driving unit has been applied, and a switching element that, while the readout signal (RWS) is at the high level, allows output of a photoreception signal whose output level changes in accordance with the amount of accumulated charge. In a row selection period, after writing of an image signal to pixel electrodes in the row selected in the row selection period has ended, the driving unit switches the reset signal (RST) applied to the photoreception unit in the same row from the high level to the low level. | 05-12-2011 |
20110122111 | DISPLAY DEVICE - A display device includes a photosensor on an active matrix substrate. The photosensor includes a photodetection element (D | 05-26-2011 |
20110164012 | DISPLAY DEVICE - In a photosensor in the pixel region of an active matrix substrate, the potential of a storage node is read out to output wiring as sensor circuit output, the potential of the storage node having changed in accordance with the amount of light received by a photodetection element in a sensing period, the sensing period being from when a reset signal (RS) is supplied until when a readout signal (RW) is supplied. A sensor startup period whose length is greater than or equal to the length of the sensing period is provided after a sensor data unnecessary period in which the sensor circuit output is not necessary, and furthermore before a valid sensor data period in which the sensor circuit output is necessary, and the sensor circuit output is read out in the valid sensor data period from the photosensor to which the reset signal was applied in the sensor startup period. | 07-07-2011 |
20110175871 | DISPLAY DEVICE - Dynamic range is widened in a display device with a photosensor that can read an image due to having a photodetection element inside a pixel thereof. A sensor driving circuit switches ON a reset signal (RST) that is supplied via reset signal bus line, and after a predetermined time has elapsed, switches ON a readout signal (RWS) that is supplied via readout signal bus line. Thus, in the photosensor, from which a photosensor signal is output in accordance with an amount of light received by the photosensor in the predetermined time, the capacitance of a capacitor provided in the photosensor is made variable from when the reset signal (RST) is supplied to the photosensor until when the predetermined time has elapsed. | 07-21-2011 |
20110199349 | OPTICAL SENSOR AND DISPLAY DEVICE PROVIDED WITH THE SAME - The present invention provides an optical sensor at least some part of which is formed monolithically in an active matrix substrate of a display device. In order to detect ambient light with high accuracy by eliminating the influences of stray light and of property variations between photodetecting elements, the optical sensor includes a detection photodiode ( | 08-18-2011 |
20110267561 | DISPLAY DEVICE - A liquid crystal display device (display device) ( | 11-03-2011 |
20110315860 | DISPLAY DEVICE - The present invention relates to a display device including a photosensor in a pixel region. The photosensor of the present invention includes a diode (D | 12-29-2011 |
20120002149 | OPTICAL SENSOR AND DISPLAY DEVICE PROVIDED WITH SAME - An optical sensor is provided with a photodiode (D | 01-05-2012 |
20120062817 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device | 03-15-2012 |
20120176355 | Display Device - A plurality of first sensor pixel circuits each sensing light during a sensing period when a backlight is turned on and retaining the amount of sensed light otherwise in accordance with a clock signal and a plurality of second sensor pixel circuits each sensing light during a sensing period when the backlight is turned off and retaining the amount of sensed light otherwise in accordance with a clock signal are arranged in a pixel region. The sensor pixel circuits of two types are connected to different output lines, so that a difference between two output signals is obtained at the outside of the sensor pixel circuit. The sensor pixel circuits described above are used for detecting a difference between an amount of light to be incident when the backlight is turned on and an amount of light to be incident when the backlight is turned off. | 07-12-2012 |
20120176356 | DISPLAY DEVICE - A plurality of sensor pixel circuits are disclosed for detecting a difference between an amount of light when a backlight is turned on and an amount of light when the backlight is turned off are arranged in a pixel region. The backlight is turned on and off a plurality of times, respectively, in a one-frame period. Each of reset for the sensor pixel circuits and read from the sensor pixel circuits is performed in parallel, each in a line sequential manner over almost the one-frame period. A plurality of sensor pixel circuits of two types for separately detecting an amount of light when the backlight is turned on and an amount of light when the backlight is turned off may be arranged in the pixel region, and a difference circuit may be used for obtaining a difference between the two types of amounts of light. | 07-12-2012 |
20120176357 | DISPLAY DEVICE - A plurality of first and second sensor pixel circuits each sensing light during a designated sensing period and retaining the amount of sensed light otherwise are arranged in a pixel region. A backlight is turned on once for a predetermined time in one-frame period. A sensing period when the backlight is turned on and a sensing period when the backlight is turned off are set once, respectively, in the one-frame period. The first sensor pixel circuit is reset. The second sensor pixel circuit is reset. Read from sensor pixel circuits of two types is performed in parallel in a line sequential manner during a period other than the periods and. A difference circuit provided outside of the sensor pixel circuits is used for obtaining a difference between an amount of light when the backlight is turned on and an amount of light when the backlight is turned off. | 07-12-2012 |
20120235967 | DISPLAY DEVICE - Provided is a display device that can determine an event in accordance with an input operation without using a complex circuit configuration for image processing by simplifying a difference image processing. The display device is provided with a driver circuit for outputting a first control signal, which indicates a first detection period including an ON period of a light source, and a second control signal, which indicates a second detection period not including the ON period of the light source, and performing reset and read-out operations for sensor pixel circuits. The display device is further provided with a difference circuit | 09-20-2012 |
20120268701 | DISPLAY DEVICE - Disclosed is a display device provided with a photosensor, which can improve sensor sensitivity without affecting display. The display device includes: a photosensor (FS) provided in a display region ( | 10-25-2012 |
20120313912 | DISPLAY DEVICE WITH LIGHT SENSOR - Disclosed is a liquid crystal display device including a liquid crystal panel | 12-13-2012 |
20130063407 | DISPLAY DEVICE - Disclosed is a display device that can compensate for variations of light-detecting element while securing a wide dynamic range of light sensors. This is a display device equipped with light sensors having operation modes for one frame period, which are: a sensor driving mode for obtaining sensor signals, a first correction data acquisition mode for obtaining a first correction data, and a second correction data acquisition mode for obtaining a second correction data. This display device further includes a memory that stores light sensor signal levels obtained, under a controlled ambient environmental condition, by driving the light sensors in the above-mentioned three modes as offset elimination data. A signal-processing circuit uses the first correction data and the second correction data, and the light sensor signal level corrected with the offset elimination data to correct the light sensor signal obtained in the sensor driving mode. | 03-14-2013 |
20150077651 | TOUCH PANEL SUBSTRATE AND DISPLAY APPARATUS - Provided is a touch panel substrate to be used in a touch panel, the touch panel substrate having improved display qualities. A touch panel substrate of one embodiment of the present invention is provided with a first detection electrode having a plurality of first lattice electrodes that are aligned in the lateral direction. Each of the first lattice electrodes includes conductor lines formed in a lattice shape parallel to the outer shape of each of the first lattice electrodes, and in each of the first lattice electrodes, the diagonal line between the two opposing corners adjacent to first relay wiring is tilted with respect to the lateral direction. | 03-19-2015 |