Patent application number | Description | Published |
20080278458 | LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - Provided a liquid crystal device including a liquid crystal layer interposed between a pair of substrates, the liquid crystal device including: pixel electrodes which are arranged in an image display area, for displaying an image; sensor electrodes which detect a variation in capacitance of the liquid crystal layer; and cylindrical structures which maintain a gap between the pair of substrates and are arranged so as not to two-dimensionally overlap each other. | 11-13-2008 |
20080315068 | DETECTION DEVICE AND ELECTRONIC APPARATUS - A unit circuit includes a first transistor, a detection element, a second transistor, and a first capacitive element. The first transistor supplies a detection line with a detection signal corresponding to the electric potential of a gate electrode thereof. The detection element is connected to the gate electrode of the first transistor and varies the electric potential of the gate electrode of the first transistor in accordance with an external factor. The second transistor has a first terminal that is connected to the gate electrode of the first transistor and a second terminal that is connected to a second power supply line. The second transistor has a gate electrode that is connected to a scanning line. The first capacitive element holds the electric potential of the gate electrode of the first transistor. | 12-25-2008 |
20090033850 | LIQUID CRYSTAL DEVICE - A liquid crystal device includes a plurality of selection lines, a plurality of signal lines, a plurality of pixel portions, a plurality of photosensor portions, a plurality of first power lines, and a plurality of sense lines. The plurality of selection lines are provided in a line direction. The plurality of signal lines are provided in a column direction. The plurality of pixel portions are provided at positions corresponding to intersections of the selection lines and the signal lines. The plurality of photosensor portions are provided in correspondence with a portion of the plurality of pixel portions. The plurality of first power lines are provided in the line direction. The plurality of sense lines are provided in the column direction. Each of the plurality of pixel portions includes a first switching element and a liquid crystal. The first switching element loads a display signal supplied through a corresponding one of the signal lines as a selection signal supplied through a corresponding one of the selection lines is asserted. The liquid crystal exhibits a bright state corresponding to the display signal that is loaded by the first switching element. The portion of the plurality of pixel portions adjust the amounts of light that enter the plurality of photosensor portions. Each of the plurality of photosensor portions includes a photoelectric conversion element, a capacitive element, a second switching element, and a readout portion. The photoelectric conversion element generates an electric current of which the magnitude corresponds to the amount of light received. One end of the capacitive element is electrically connected to the photoelectric conversion element. The second switching element resets the one end of the capacitive element to a reset voltage that is supplied through a corresponding one of the first power lines. The readout portion outputs, to a corresponding one of the sense lines, an output signal of which the magnitude corresponds to a voltage of the one end of the capacitive element. The second switching element is controlled to any one of an on state or an off state on the basis of the selection signal that is supplied through the corresponding one of the selection lines. | 02-05-2009 |
20090091521 | Electro-optical device and electronic apparatus - To improve the unevenness of brightness. A plurality of pixel circuits is arranged in a pixel region A. Main power lines LR, LG, and LB are provided in the outside of the pixel region A. In addition, first sub-power lines Lr | 04-09-2009 |
20090140265 | LIGHT EMITTING DEVICE AND ELECTRONIC APPARATUS - A light emitting device includes a substrate having transparency, a light emitting element that emits light at least to the substrate side, and a light detecting element that is formed between the light emitting element and the substrate. The light detecting element is formed along an outer frame of the light emitting element in a plan view. | 06-04-2009 |
20090140658 | LIGHT EMITTING DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC APPARATUS - There is provided a method of driving a light emitting device including a light emitting element and a unit circuit that is disposed in correspondence with the light emitting element and drives the tight emitting element in accordance with emission control data generated based on image data, wherein the light emitting device has a temperature sensor and a light receiving sensor. The method includes detecting the temperature of the light emitting device by using the temperature sensor, detecting light emitted from the light emitting element by using the light receiving sensor, and generating the emission control data by correcting the image data in response to the temperature of the light emitting device which is detected by the temperature sensor and the detected value of light which is detected by the light receiving sensor. | 06-04-2009 |
20090160822 | ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS - An electro-optical device, which has a display area and a plurality of sensing areas for detecting capacitance in the display area, includes a black matrix that is provided in the vicinities of display pixels in the display area, pixel electrodes that individually form the display pixels, a common electrode, a liquid crystal layer that is interposed between the pixel electrodes and the common electrode, a plurality of pixel circuits that individually drive the pixel electrodes, a capacitance detection element that is provided in a corresponding one of the sensing areas to convert a change in thickness of the liquid crystal layer caused by external pressure into a change in capacitance, and a sensing circuit that outputs a sensing signal on the basis of the change in capacitance obtained by the capacitance detection element. The capacitance detection element overlaps the black matrix in plan view. | 06-25-2009 |
20090273578 | SENSING CIRCUIT, DISPLAY DEVICE AND ELECTRONIC APPARATUS - A sensing circuit having a first substrate, a second substrate, a layer of dielectric material, a first electrode, a second electrode and an electrostatic capacitance detection unit is provided. The second substrate faces the first substrate. The dielectric material is held between the first substrate and the second substrate. The first electrode and the second electrode are arranged between the dielectric material and the first substrate. The electrostatic capacitance detection unit is configured to produce a detection signal having an amplitude according to a value of capacitance formed between the first electrode and the second electrode through the dielectric material. | 11-05-2009 |
20090273580 | SENSING CIRCUIT, METHOD OF DRIVING SENSING CIRCUIT, DISPLAY DEVICE, METHOD OF DRIVING DISPLAY DEVICE, AND ELECTRONIC APPARATUS - A display device includes: a first substrate and a second substrate that face each other; electro-optical elements that are interposed between the first substrate and the second substrate; light detecting units that are provided between the first substrate and the second substrate and output first detection signals having levels corresponding to the amount of incident light; and capacitance detecting units that include capacitive elements each having a first electrode and a second electrode provided between the first substrate and the second substrate, output second detection signals having levels corresponding to the capacitance values of the capacitive elements, and are provided separately from the light detecting units. | 11-05-2009 |
20100079357 | Electronic Circuit, Method of Driving Electronic Circuit, Electro-Optical Device, and Electronic Apparatus - To reduce the time for writing a voltage onto a gate of a driving transistor. In an initialization period, a node B is fixed to an initial voltage V | 04-01-2010 |
20100245556 | IMAGE CAPTURING APPARATUS AND AUTHENTICATION APPARATUS - An image capturing apparatus includes a substrate in which multiple pixel circuits are formed and a driving unit that generates an image signal in which a target has been captured by driving the multiple pixel circuits. When the region in which the multiple pixel circuits is formed is taken as a capturing region, the capturing region includes a fingerprint capturing region for capturing a fingerprint and a vein capturing region for capturing veins. | 09-30-2010 |
20100277449 | Electro-Optical Device and Electronic Apparatus - To improve the unevenness of brightness. A plurality of pixel circuits is arranged in a pixel region A. Main power lines LR, LG, and LB are provided in the outside of the pixel region A. In addition, first sub-power lines Lr | 11-04-2010 |
20110031882 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a drive transistor that controls a current to be supplied to a light-emitting element from a power supply line, an electrical continuity portion that electrically connects the drive transistor with the light-emitting element, an initializing transistor that is turned ON to diode-connect the drive transistor, and a connecting portion that electrically connects the drive transistor with the initializing transistor. The power supply line including a first portion extending in a first direction and a second portion extending in a second direction that crosses the first direction. The connecting portion being positioned in an area between the first and second power supply lines in plan view. | 02-10-2011 |
20110068707 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a power feeding line to which a predetermined voltage is supplied; a light-emitting element formed of a first electrode, a second electrode, and a light-emitting layer interposed between the first electrode and the second electrode; and a driving transistor that controls the amount of current supplied to the light-emitting element from the power feeding line. The power feeding line includes a portion interposed between the first electrode and the driving transistor. | 03-24-2011 |
20120104401 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a drive transistor for controlling the quantity of current supplied to a light-emitting element, a capacitor element electrically connected to a gate electrode of the drive transistor, and an electrical continuity portion for electrically connecting the drive transistor and the light-emitting element, these elements being disposed on a substrate. The electrical continuity portion is disposed on the side opposite to the capacitor element with the drive transistor disposed therebetween. | 05-03-2012 |
20120199871 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a power feeding line to which a predetermined voltage is supplied; a light-emitting element formed of a first electrode, a second electrode, and a light-emitting layer interposed between the first electrode and the second electrode; and a driving transistor that controls the amount of current supplied to the light-emitting element from the power feeding line. The power feeding line includes a portion interposed between the first electrode and the driving transistor. | 08-09-2012 |
20120286659 | Light-Emitting Device and Electronic Apparatus - A light-emitting device includes a drive transistor that controls a current to be supplied to a light-emitting element from a power supply line, an element continuity portion that electrically connects the drive transistor with the light-emitting element, an initializing transistor that is turned ON to diode-connect the drive transistor, and a connecting portion that electrically connects the drive transistor with the initializing transistor. The power supply line includes a first portion extending in a predetermined direction. The element continuity portion and the connecting portion are formed from the same layer as that of the power supply line and are located on one side along the width of the first portion across the drive transistor. | 11-15-2012 |
20130214276 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a drive transistor for controlling the quantity of current supplied to a light-emitting element, a capacitor element electrically connected to a gate electrode of the drive transistor, and an electrical continuity portion for electrically connecting the drive transistor and the light-emitting element, these elements being disposed on a substrate. The electrical continuity portion is disposed on the side opposite to the capacitor element with the drive transistor disposed therebetween. | 08-22-2013 |
20140292221 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a drive transistor that controls a current to be supplied to a light-emitting element from a power supply line, an element continuity portion that electrically connects the drive transistor with the light-emitting element, an initializing transistor that is turned ON to diode-connect the drive transistor, and a connecting portion that electrically connects the drive transistor with the initializing transistor. The power supply line includes a first portion extending in a predetermined direction. The element continuity portion and the connecting portion are formed from the same layer as that of the power supply line and are located on one side along the width of the first portion across the drive transistor. | 10-02-2014 |
20150060865 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a drive transistor for controlling the quantity of current supplied to a light-emitting element, a capacitor element electrically connected to a gate electrode of the drive transistor, and an electrical continuity portion for electrically connecting the drive transistor and the light-emitting element, these elements being disposed on a substrate. The electrical continuity portion is disposed on the side opposite to the capacitor element with the drive transistor disposed therebetween. | 03-05-2015 |