Abstract: An image forming apparatus includes a main tank that stores an ink, an ink head that ejects the ink, a first supply channel connected to the main tank, a second supply channel for supplying the ink from the first supply channel to the ink head, and a discharge channel for discharging the ink from the first supply channel without allowing the ink to pass through the ink head. The second supply channel is provided with a first supply valve, and the discharge channel is provided with a discharge valve.

Abstract: The purpose of the present invention is to provide a configuration that allows the corners of a sealing material to be appropriately cut. The liquid crystal display device is provided with a liquid crystal panel that includes: an annular sealing material that has a corner in plan view and is for sealing a liquid crystal layer between a first transparent substrate and a second transparent substrate; and a first panel cutting aid material that is embedded in the corner of the sealing material. The first panel cutting aid material has a height that matches the gap between the first transparent substrate and the second transparent substrate. The first panel cutting aid material has a surface that is exposed from the outer periphery of the sealing material.

Abstract: A gas laser apparatus according to an aspect of the present disclosure includes a main discharge circuit that supplies main discharge voltage that causes main discharge to a pair of main discharge electrodes, and a pre-ionization circuit that supplies pre-ionization voltage that causes corona discharge to a pre-ionization electrode. The main discharge circuit includes a step-up pulse transformer, a main capacitor and a switch connected to a primary side of the step-up pulse transformer, a first power source that charges the main capacitor, a first capacitor connected in parallel to a secondary side of the step-up pulse transformer, a first magnetic switch connected to the first capacitor, and a peaking capacitor connected in parallel to the first capacitor through the first magnetic switch and to the main discharge electrodes. An interval between start timings of the corona discharge and the main discharge is 30 ns to 60 ns inclusive.

Abstract: This liquid crystal display device has a first substrate, a second substrate, a liquid crystal layer sandwiched between the first and second substrates, a seal, and a spacer. The seal includes: a first seal part having a linear shape in a first direction; a second seal part having a linear shape in a second direction; and a third seal part having a curved shape that smoothly connects the first seal part and the second seal part.

Abstract: The purpose of the present invention is to provide a configuration that allows the corners of a sealing material to be appropriately cut. The liquid crystal display device is provided with a liquid crystal panel that includes: an annular sealing material that has a corner in plan view and is for sealing a liquid crystal layer between a first transparent substrate and a second transparent substrate; and a first panel cutting aid material that is embedded in the corner of the sealing material. The first panel cutting aid material has a height that matches the gap between the first transparent substrate and the second transparent substrate. The first panel cutting aid material has a surface that is exposed from the outer periphery of the sealing material.

Abstract: A high-voltage pulse generation device configured to apply a pulsed high voltage to the space between a pair of discharge electrodes disposed in a laser chamber of a gas laser apparatus includes n transformer cores that form a transformer, where n is a natural number greater than or equal to two, n primary electric circuits of the transformer, the n primary electric circuits each having a first terminal connected to a reference potential and a second terminal connected to a charger, the n primary electric circuits each including one or more primary coils, one or more diodes connected in parallel to the one or more primary coils, and one or more pulse generators connected in parallel to the one or more primary coils, and a secondary electric circuit of the transformer, the secondary electric circuit including a secondary coil and connected to the pair of discharge electrodes.

Abstract: A high voltage pulse generation device includes n transformer cores configuring a transformer, n being a natural number of 2 or more, each of the n transformer cores being configured to form a magnetic circuit along a first plane and to have a width in a first direction parallel to the first plane larger than a width in a second direction parallel to the first plane and perpendicular to the first direction; n primary electric circuits of the transformer connected in parallel to each other, each of the n primary electric circuits including at least one primary coil, and m pulse generation units connected in parallel to the at least one primary coil, m being a natural number equal to or more than 2; and a secondary electric circuit of the transformer including a secondary coil and connected to a pair of discharge electrodes.

Abstract: An object is to provide a technique capable of increasing a display quality of a liquid crystal display device. A liquid crystal display device includes a liquid crystal panel including a liquid crystal layer with a liquid crystal, an electrode applying voltage to the liquid crystal, and a pair of polarization plates sandwiching the liquid crystal layer. A first voltage is applied to a liquid crystal in a local area in the liquid crystal panel when a transmissivity of the local area is set to a predetermined local minimum value, and a second voltage is applied to a liquid crystal in a remaining area other than the local area in the liquid crystal panel when the transmissivity of the remaining area is set to a predetermined local minimum value. The first voltage is different from the second voltage.

Abstract: A discharge excitation gas laser device includes: first and second discharge electrodes disposed to face each other; a plurality of peaking capacitors connected to the first discharge electrode; a charger; a plurality of pulse power modules, each one of the pulse power modules including a charging capacitor to which a charged voltage is applied from the charger, a pulse compression circuit that pulse-compresses and outputs electrical energy stored in the charging capacitor as an output pulse to a corresponding peaking capacitor, and a switch disposed between the charging capacitor and the pulse compression circuit; a plurality of output pulse sensors, each one of the output pulse sensors detecting an output pulse output by a corresponding pulse power module; and a control unit configured to control, based on a detection result of each of the output pulse sensor, a timing of a switch signal to be input to a corresponding switch.

Abstract: An array substrate and an opposing substrate of a liquid crystal display are disposed to oppose each other to sandwich a liquid crystal. An alignment film is disposed over the first main surface of the array substrate to align the liquid crystal. A spacer is disposed between the array substrate and the opposing substrate. The spacer includes a base and a spacer body. The base is disposed over the first main surface of the array substrate. The spacer body is disposed over the second main surface of the opposing substrate. A top portion of the spacer body is in contact with the base. A height of the spacer body is compressed by being subjected to stress in a direction to move the array substrate and the opposing substrate towards each other. The base has a height greater than an amount of compression of the height of the spacer body.

Abstract: An object is to provide a technique capable of increasing a display quality of a liquid crystal display device. A liquid crystal display device includes a liquid crystal panel including a liquid crystal layer with a liquid crystal, an electrode applying voltage to the liquid crystal, and a pair of polarization plates sandwiching the liquid crystal layer. A first voltage is applied to a liquid crystal in a local area in the liquid crystal panel when a transmissivity of the local area is set to a predetermined local minimum value, and a second voltage is applied to a liquid crystal in a remaining area other than the local area in the liquid crystal panel when the transmissivity of the remaining area is set to a predetermined local minimum value. The first voltage is different from the second voltage.

Abstract: A liquid crystal display apparatus of the present invention includes a housing holding an outer peripheral portion of a liquid crystal panel with gap portions provided in a central portion thereof such that a curvature of a curved shape is variable when a surface pressing stress is applied, in which columnar spacers are arranged at a higher density in a region of the central portion in a curve direction than in a region of a peripheral portion, the density being the density of the columnar spacers holding a gap between glass substrates in a display region of the curved liquid crystal panel.

Abstract: A liquid crystal display device according to the present invention includes an array substrate and a CF substrate. The CF substrate includes a lattice-shaped light shielding pattern between pixel electrodes and a columnar spacer at an intersection of the light shielding patterns. The array substrate and the CF substrate are disposed so as to face each other with a liquid crystal layer interposed therebetween. The intersection includes a portion in which signal lines intersect each other and a portion in which the signal lines do not intersect each other, whereby a step is provided on a surface of the array substrate. The columnar spacer includes a main spacer in the portion in which the signal lines intersect each other and a sub-spacer in the portion in which the signal lines do not intersect each other.

Abstract: A liquid crystal display device includes a liquid crystal panel including a plurality of pixels that are arranged in a matrix pattern, a backlight provided on a back surface side of the liquid crystal panel to emit light for illuminating the liquid crystal panel, and a viewing angle restriction film provided between the liquid crystal panel and the backlight to narrow light distribution of the light emitted from the backlight in one direction. Each pixel includes a plurality of sub-pixels that are arranged correspondingly to a plurality of display colors. An aperture in each sub-pixel is elongated in the one direction in a surface of the liquid crystal panel.

Abstract: In a liquid crystal display, a liquid crystal cell and a polarizing plate respectively have a planar, non-rectangular shape. The polarizing plate has an axis that is either an absorption axis or a slow axis. The planar shape of the polarizing plate includes first and second sides respectively extending in a direction perpendicular to the axis and a direction tilted from the axis. The polarizing plate includes first and second peripheral portions respectively lying along the first and second sides, and includes a corner portion lying at a portion where the first and second peripheral portions overlap each other. The polarizing plate is applied by a bonding agent onto a main surface of the liquid crystal cell so that the corner portion is not coupled to the main surface. A contour portion extending in a direction tilted from the axis may not be coupled to the main surface.

Abstract: A liquid crystal display apparatus of the present invention includes a housing holding an outer peripheral portion of a liquid crystal panel with gap portions provided in a central portion thereof such that a curvature of a curved shape is variable when a surface pressing stress is applied, in which columnar spacers are arranged at a higher density in a region of the central portion in a curve direction than in a region of a peripheral portion, the density being the density of the columnar spacers holding a gap between glass substrates in a display region of the curved liquid crystal panel.

Abstract: A pretilt angle of a liquid crystal molecule on the side of an array substrate is formed such that the liquid crystal molecule goes away from the array substrate in a direction to the left when viewed from a position facing a display surface of a liquid crystal panel. The pretilt angle on the side of a counter substrate is formed such that the liquid crystal molecule goes away from the counter substrate in a direction to the right when viewed from a position facing the display surface. The directions to the left and the right define a direction X corresponding to a horizontal direction of the liquid crystal panel. A direction of a delay phase axis of a biaxial phase difference film is arranged in a position rotated anticlockwise in an angular range from over 0° to 1° from the direction X.

Abstract: A high-voltage pulse generator may include a number “n” (n is a natural number of not less than 2) of primary electric circuits connected in parallel to one another on the primary side of a pulse transformer, and a secondary electric circuit of the pulse transformer, which is connected to a pair of discharge electrodes disposed in a laser chamber of a gas laser apparatus. The “n” primary electric circuits may include a number “n” of primary coils connected in parallel to one another, a number “n” of capacitors respectively connected in parallel to the “n” primary coils, and a number “n” of switches respectively connected in series to the “n” capacitors. The “n” primary electric circuits may be connected to a number “n” of chargers for charging the “n” capacitors, respectively.

Abstract: A discharge excitation gas laser device includes: first and second discharge electrodes disposed to face each other; a plurality of peaking capacitors connected to the first discharge electrode; a charger; a plurality of pulse power modules, each one of the pulse power modules including a charging capacitor to which a charged voltage is applied from the charger, a pulse compression circuit that pulse-compresses and outputs electrical energy stored in the charging capacitor as an output pulse to a corresponding peaking capacitor, and a switch disposed between the charging capacitor and the pulse compression circuit; a plurality of output pulse sensors, each one of the output pulse sensors detecting an output pulse output by a corresponding pulse power module; and a control unit configured to control, based on a detection result of each of the output pulse sensor, a tinting of a switch signal to be input to a corresponding switch.

Abstract: The laser system includes a first laser apparatus, a second laser apparatus, a charging voltage measuring unit configured to measure the charging voltage of the first storage capacitor and the charging voltage of the second storage capacitor, at least one bleeding circuit configured to reduce the charging voltage of the first storage capacitor and the charging voltage of the second storage capacitor, and a bleeding circuit controller configured to control the at least one bleeding circuit based on the voltage measured by the charging voltage measuring unit.