Abstract: In an image pickup apparatus including first circuits, second circuits, and conversion units, an operation period of the second circuit is shorter than an operation period of the first circuit, and a number of the first circuit arranged in each unit cell is greater than a number of the second circuit arranged in each unit cell.

Abstract: A pixel array has a plurality of output units arranged in matrix form and a plurality of A/D conversion units corresponds to the output units. Each of the output units outputs an electric signal based on incident electromagnetic waves. Each of the A/D conversion units converts the electric signal input from the corresponding output unit to a digital signal. A plurality of storage units corresponds to columns of the output units. Each of the storage units holds the corresponding digital signal. A first signal line is configured to supply a driving bias to at least one of the output units and the A/D conversion units. A second signal line is configured to transmit the digital signal from the A/D conversion units to the storage units. The output units are provided between the first signal line and the second signal line.

Abstract: In an image pickup apparatus, a counter configured to output a count signal to a second AD conversion unit starts, with a delay, counting clock signals as compared with a counter configured to output a count signal to a first AD conversion unit by a time period corresponding to a delay of a reference signal output to a comparator of the second AD conversion unit with respect to a reference signal output to the comparator of the first AD conversion unit.

Abstract: There are provided an imaging apparatus, an imaging system, and a method for driving the imaging apparatus, which include a pixel including a conversion unit and an AD conversion unit for converting a signal output from the conversion unit into a digital signal, a first bias line electrically connected to the conversion unit, and a capacitance element for storing the voltage based on the potential of the first bias line, wherein the AD conversion unit is driven by the voltage stored in the capacitance element.

Abstract: Provided are an image pickup device, a method of driving the image pickup device, and an image pickup system, in which timings of starting operations in a plurality of comparison units to which power supply voltage is applied through a common line are controlled to be different.

Abstract: A signal apparatus includes a plurality of pairs, each pair of which includes plural digital signal output units configured to output a digital signal, a block wiring to which output terminals of the plural digital signal output units are connected, and a buffer circuit an input terminal of which is connected to the block wiring, in which the output terminal of the buffer circuit included in one of the pairs is connected to the block wiring included in another one of the pairs.

Abstract: An image display apparatus has a plurality of phosphor films two-dimensionally disposed on a substrate, a matrix-pattern rib formed on the substrate to partition between the phosphor films, a plurality of metal backs each covering at least one phosphor film, and resistance wirings having a sheet resistance higher than that of the metal backs for electrically connecting the plurality of metal backs to each other. The resistance wirings are disposed to the apexes of the matrix-pattern rib and composed of a plurality of column lines and a plurality of row lines, the metal backs have first portions for covering the phosphor films on the substrate and second portions formed along the rib to connect the first portions to the column lines.

Abstract: An image display apparatus comprises a face plate including a common electrode extending in an outside of an image region along a one side of the image region, n first resistor members connected to the common electrode and connected to each of anodes in the divisional regions corresponding thereto, and a second resistor member connecting between one and the other of the first resistor members. R1 is an average resistance value of each first resistor member per length of one pixel including at least one of the light emitting members. R1all is a resistance value of each first resistor member for a total length in the image region. R2 is a resistance value of the second resistor member. And, a relationship of 0.1×R1<R2<R1all is met.

Abstract: An image display apparatus includes a rear plate that includes electron emitting sources, and a scanning line, and a face plate that includes a light emitting member, a rectangular anode electrode, and a power supply terminal configured to supply the potential to the anode electrode. The face plate includes first and second potential defining members and a resistance member configured to interconnect the first potential defining member and the second potential defining member. A relationship of R1<R2<R3 is satisfied, where R1 is a larger one of average resistance values of the first and second potential defining members per reference length, R2 is an average resistance value of the resistance member per reference length, and R3 is an average resistance value of the anode electrode per reference length in a direction parallel to a longitudinal direction of the resistance member.

Abstract: To suppress discharge around an anode electrode. Provided is a light-emitting substrate, including a light-emitting member for emitting light by irradiation with an electron, a first electroconductive film stacked on the light-emitting member, a second electroconductive film which is distant from an outer periphery of the first electroconductive film and surrounds the outer periphery of the first electroconductive film, and a dielectric film for covering an end portion of the second electroconductive film which is opposed to the outer periphery of the first electroconductive film.

Abstract: The spacer comprises an insulating member and a plurality of electroconductive members each including a portion enveloped with the insulating member within a region sandwiched between a region on which the anode is disposed and the first substrate, and the plurality of electroconductive members are arranged such that the portions of the electroconductive members enveloped with the insulating member are spaced apart from each other in a direction along which the first and second substrates are opposed.

Abstract: An electron beam display, in which light extracting efficiency from phosphor and a bright-portion contrast are improved is provided, has: an electron-emitting device, a metal back, and a phosphor dot which is disposed in opposition to the electron-emitting device through the metal back and emits light responsive to an irradiation with an electron beam emitted from the electron-emitting device; and further has a face plate having a black member which is disposed in opposition to the electron source through the phosphor dot and has an aperture in a region in which the phosphor dot is formed. A region irradiated with the electron beam emitted from the electron-emitting device is not larger than the phosphor dot, a part of the black member is disposed in the region irradiated with the electron beam, and at least a part of the aperture is disposed outside of the region irradiated with the electron beam.

Abstract: A light-emitting substrate includes a substrate, a plurality of light-emitting members arranged in a matrix on the substrate, and a plurality of metal backs arranged in a matrix over the plurality of light-emitting members. In each row or each column of the plurality of metal backs, two adjacent metal backs are connected to each other through a resistive member. A conductive member having a resistance value lower than that of the resistive member is connected to a portion of the resistive member, the portion being spaced from the two adjacent metal backs.

Abstract: An image display apparatus has a plurality of phosphor films two-dimensionally disposed on a substrate, a matrix-pattern rib formed on the substrate to partition between the phosphor films, a plurality of metal backs each covering at least one phosphor film, and resistance wirings having a sheet resistance higher than that of the metal backs for electrically connecting the plurality of metal backs to each other. The resistance wirings are disposed to the apexes of the matrix-pattern rib and composed of a plurality of column lines and a plurality of row lines, the metal backs have first portions for covering the phosphor films on the substrate and second portions formed along the rib to connect the first portions to the column lines.

Abstract: An image display apparatus includes a rear plate including electron-emitting devices, a face plate including an anode electrode for accelerating electrons from the electron-emitting devices, a plate-shaped spacer being disposed between the rear and face plates and including a conductive member formed in a longitudinal direction of the spacer, and a potential-supplying unit for forming a potential gradient in the conductive member in the longitudinal direction of the spacer to compensate a difference between a distance to the spacer from a position on the face plate irradiated with electrons emitted from a first electron-emitting device among the electron-emitting devices and that from a position on the face plate irradiated with electrons emitted from a second electron-emitting device among the electron-emitting devices, the second electron-emitting device being located at a position shifted in the longitudinal direction of the spacer with respect to a position of the first electron-emitting device.

Abstract: An image display device which prevents damage to an electron-emitting device from discharge between a faceplate and a rear plate is provided. A conductive plate 12 including a transparent conductive film is formed over a surface of a substrate 1, a distance specifying member 13 having a plurality of openings is formed on the conductive area 12, a fluorescent material 14 is arranged in the opening, and a conductive film 15 is arranged on the fluorescent material 14 to for a face plate. A resistance Rx between the adjacent conductive films 15 is set larger than a resistance Rz between the conductive film 15 and the conductive area 12. Discharge current generated between each conductive film 15 and a rear plate 21 is caused to flow into the conductive area 12 by applying anode voltage to the conductive area 12, which suppresses influence on an electron-emitting device 23.

Abstract: An electron source has a plurality of electron-emitting devices, a plurality of scanning wirings and a plurality of modulation wirings which connect the plurality of electron-emitting devices into a matrix pattern, a scanning wiring connecting electrode which connects the electron-emitting device and the scanning wiring, a modulation wiring connecting electrode which connects the electron-emitting device and the modulation wiring, and a bypass wiring which is insulated from the scanning wiring and the modulation wiring and is arranged in parallel with the scanning wiring or the modulation wiring. The connecting electrode of any one of the scanning wiring connecting electrode and the modulation wiring connecting electrode, which is closer to the bypass wiring, has an overcurrent suppressing portion which suppresses flowing of a certain or more electric current to the connecting electrode.

Abstract: To prevent deterioration of an image based on a halation phenomenon due to secondary reflected electrons at the top of a rib member provided between light-emitting members for interrupting reflected electrons, an aperture portion for capturing the secondary reflected electrons is provided at a portion, positioned between the light-emitting members, on the rib member for separating the light-emitting members.

Abstract: An electron beam display, in which light extracting efficiency from phosphor and a bright-portion contrast are improved is provided, has: an electron-emitting device, a metal back, and a phosphor dot which is disposed in opposition to the electron-emitting device through the metal back and emits light responsive to an irradiation with an electron beam emitted from the electron-emitting device; and further has a face plate having a black member which is disposed in opposition to the electron source through the phosphor dot and has an aperture in a region in which the phosphor dot is formed. A region irradiated with the electron beam emitted from the electron-emitting device is not larger than the phosphor dot, a part of the black member is disposed in the region irradiated with the electron beam, and at least a part of the aperture is disposed outside of the region irradiated with the electron beam.

Abstract: To suppress discharge around an anode electrode. Provided is a light-emitting substrate, including a light-emitting member for emitting light by irradiation with an electron, a first electroconductive film stacked on the light-emitting member, a second electroconductive film which is distant from an outer periphery of the first electroconductive film and surrounds the outer periphery of the first electroconductive film, and a dielectric film for covering an end portion of the second electroconductive film which is opposed to the outer periphery of the first electroconductive film.