Abstract: 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.

Abstract: To reduce a time for applying a target voltage to a gate of a driving transistor. During an initializing period, both ends of a capacitive element become a short-circuited state by turning on transistors, so that node A and B becomes a voltage made by subtracting the threshold voltage Vthp of the driving transistor from a power source voltage VEL. During a writing period, the transistor is turned on and a data signal X-j is supplied to change the voltage at the node B as much as a voltage corresponding the current which is to flow into an OLED element. The node A is changed from the threshold voltage as much as the value obtained by dividing the voltage change by capacity ratio. During a light-emitting period, the transistor is turned on, so that the current corresponding to the voltage at the node A flows through the OLED element.

Abstract: 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.

Abstract: An electro-optical device includes a plurality of data lines, a plurality of scan lines, and a plurality of unit circuits disposed to correspond to respective intersections of the plurality of data lines and the plurality of scan lines, where each of the plurality of data lines is supplied with a data potential corresponding to a level of gray scale and each of the plurality of scan lines is supplied with a scan signal which defines a writing period that it takes the data potential to be loaded into the corresponding unit circuit, in which each of the plurality of unit circuits includes a drive transistor for generating a driving current corresponding to a potential of a gate thereof, an electro-optical element displaying a level of gray scale corresponding to the driving current, a capacitive element having a first electrode and a second electrode, an electric supply line which is electrically connected to the second electrode in an initialization period other than the writing period and which is supplied wi

Abstract: An electro-optical device includes a plurality of data lines, a plurality of scanning lines, a plurality of unit circuits that are provided in correspondence with intersections of the data lines and the scanning lines. Each of the data lines is supplied with a data voltage in accordance with a gray-scale level. Each of the scanning lines is supplied with a scanning signal that specifies a writing period during which the data voltage is being written into the corresponding unit circuits. Each of the plurality of unit circuits includes a driving transistor, an electro-optical element, a capacitive element, a power feed liner a first switching element and a second switching element. The driving transistor generates a driving current in accordance with an electric potential of a gate thereof. The electro-optical element generates light with a gray-scale level in accordance with the driving current that is generated by the driving transistor.

Abstract: An electro-optical device may include a plurality of data lines, a plurality of selection lines, a plurality of unit circuits, a selection circuit, and a control circuit. Each of the plurality of unit circuits is connected to a corresponding one of the plurality of data lines and a corresponding one of the plurality of selection lines. The plurality of unit circuits form a unit circuit group for each of the selection lines. The selection circuit supplies a selection signal to one of the plurality of selection lines so that data signals are written from the plurality of data lines to the corresponding unit circuit group during a selection period when the corresponding unit circuit group is selected. The control circuit supplies a common control signal to the unit circuits included in a group consisting of two or more of the unit circuit groups.

Abstract: 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.

Abstract: A unit circuit includes an electro-optical element, a first capacitive element, a second capacitive element, a third capacitive element, a drive transistor, a first switching element, an initialization unit, and a compensation unit. The electro-optical element emits an amount of light in accordance with a magnitude of a drive current. The first capacitive element includes a first electrode and a second electrode, the first electrode is electrically connected to a first node, and the second electrode is capable of receiving a fixed potential. The second capacitive element includes a third electrode and a fourth electrode, the third electrode is electrically connected to a second node, and the fourth electrode is capable of receiving a fixed potential. The third capacitive element includes a fifth electrode and a sixth electrode, the fifth electrode is electrically connected to the first node, and the sixth electrode is electrically connected to the second node.

Abstract: An emissive device includes a substrate; a plurality of light-emitting elements disposed on the substrate; a light-shielding layer opposite the substrate, the light-emitting elements being disposed between the substrate and the light-shielding layer, and the light-shielding layer having light-transmitting portions that transmit light emitted from the light-emitting elements; and a partition composed of an insulating material and disposed on the substrate, the partition partitioning the light-emitting elements and having openings each demarcating the light-emitting region of the corresponding light-emitting element, wherein each of the light-transmitting portions overlaps the corresponding opening and is smaller than the corresponding opening.

Abstract: 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.

Abstract: 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 includes a first portion extending in a predetermined direction. The electrical 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.

Abstract: A method for driving a light-emitting device in which a plurality of pixel circuits are arranged in correspondence with the intersection of a plurality of scanning lines and a plurality data lines, the pixel circuit having a light-emitting element and a driving transistor that controls the current amount of a driving current flowing the light-emitting device, comprises repeating the process within unit period including a first period and a second period following the first period, wherein the second period process includes selecting one scanning line of the plurality of scanning lines, and supplying and holding a data voltage corresponding to the luminance of the light-emitting element to a gate of the driving transistor via the data lines with respect to the plurality pixel circuits connected the selected scanning lines, and wherein the first period process includes selecting two or more scanning lines of the plurality of scanning lines, and correcting the unbalance of the driving current output from the dri

Abstract: A pixel circuit includes a light-emitting element which emits light having the intensity corresponding to an amount of a driving current; a driving transistor which supplies the driving current to the light-emitting element; a storing circuit which writes a data signal instructing the light-emitting brightness of the light-emitting element during a writing period of time to store the data signal; and a buffer circuit which supplies a signal output from the storing unit to the driving transistor.

Abstract: 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 VINI, transistors are turned on, and a current flows into an OLED element, such that a voltage according to the current is held at the node A. Thereafter, the transistors are sequentially turned off, such that a threshold voltage of a driving transistor is held at the node A. In a writing period, a transistor is turned on and a data signal X-j is supplied, such that a voltage of the node B varies by the amount according to the current flowing into the OLED element. The voltage of the node A varies from the threshold voltage by the amount which is obtained by dividing the voltage variation by a capacitance ratio. In a light-emitting period, the transistor is turned on, such that a current according to the voltage of the node A flows into the OLED element.

Abstract: To reduce a time for applying a target voltage to a gate of a driving transistor. During an initializing period, both ends of a capacitive element become a short-circuited state by turning on transistors, so that node A and B becomes a voltage made by subtracting the threshold voltage Vthp of the driving transistor from a power source voltage VEL. During a writing period, the transistor is turned on and a data signal X-j is supplied to change the voltage at the node B as much as a voltage corresponding the current which is to flow into an OLED element. The node A is changed from the threshold voltage as much as the value obtained by dividing the voltage change by capacity ratio. During a light-emitting period, the transistor is turned on, so that the current corresponding to the voltage at the node A flows through the OLED element.

Abstract: 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 Lr1, Lg1, and Lb1 and second sub-power lines Lr2, Lg2, and Lb2 are provided in the inside of the pixel region A so as to be connected to each other at sub-power line connecting points P. Further, the pixel circuits are connected to the first sub-power lines Lr1, Lg1, and Lb1 at pixel connecting points Q. The structure in which these power lines are arranged in a mesh shape enables a considerable reduction in voltage drop and the improvement of brightness unevenness.