Sharp Kabushiki Kaisha Corporation

Yoshihiro Asai

Satoshi Horiuchi

Isao Ogasawara

Yoshihito Hara

Seijirou Gyouten

Masakatsu Tominaga

Masaki Maeda

Shingo Kamitani

Yasuhiro Mimura

Kuniko Maeno

Seiya Kawamorita

Masahiro Yoshida

Katsuhiro Okada

Sachio Tsujino

Kazuyori Mitsumoto

Shinji Matsubara

A circuit substrate includes a substrate portion having a variable-external-shape portion; a circuit portion, having a configuration in which circuit blocks adjacent to each other in a first direction; a plurality of trunk wiring lines bent along the circuit blocks displaced with respect to each other in a second direction; and a plurality of branch wiring lines, wherein the plurality of trunk wiring lines include a first trunk wiring line and a second trunk wiring line, and among the plurality of branch wiring lines, a plurality of branch wiring lines connected to a plurality of unit circuits constituting a center-side circuit block include at least a first branch wiring line connected to the first trunk wiring line and a second branch wiring line connected to the second trunk wiring line and disposed farther than the first branch wiring line from a end-side circuit block in the first direction.

Circuit substrate and display device

A display device includes a display substrate, a plurality of source drive circuit elements, gate drive circuits, and a plurality of gate connection lines. The plurality of gate connection lines pass through inter-element regions between the source drive circuit elements in plan view, and pass through mounting regions. Gate terminals connected to the gate connection lines are formed at positions facing the inter-element regions in a direction from the inter-element regions toward an FPC (Y2 direction).

Display device

The present invention reduces a circuit scale of a driving circuit while maintaining a characteristic of the driving circuit. In a driving circuit of the present invention, a transistor (TRc) including a gate electrode, a semiconductor film (HF), and first and second conductive electrodes (S, D) is provided on an upper side of the substrate. The driving circuit further includes a first conductive film () provided in a layer lower than the gate electrode, a second conductive film () that serves as the gate electrode, and a first capacitor (C) defined between the first conductive film () and the second conductive film ().

Driving circuit, TFT substrate, and display device

A plurality of circuit portions include a central side circuit portion connected to at least a central side-wiring line lead-out portion among a plurality of wiring line lead-out portions, and an end side circuit portion that is connected to at least an end side-wiring line lead-out portion among the plurality of wiring line lead-out portions, is also located on an end side in a first direction being an extending direction of a central side-outer shape portion having a linear shape with respect to the central side circuit portion, and is configured such that a dimension in a second direction being a direction in which the plurality of circuit portions and a central side region are aligned is smaller than that of the central side circuit portion.

Circuit substrate and display panel

Provided is a display device in which connection defects in terminal parts can be suppressed, and a method for producing the same. An active matrix substrateof a display device includes gate lines, data lines arranged so as to intersect with the gate lines, pixel electrodes, counter electrodes forming capacitors between the same and the pixel electrodes, and signal lines that are connected with the counter electrodes and supply a driving signal for touch detection. Further, the active matrix substrateincludes a display driving circuit that supplies a control signal to at least either the gate lines or the data lines, and a touch detection driving circuit that supplies a driving signal for touch detection. Still further, the active matrix substrateincludes a plurality of terminal parts Ta to which the display driving circuit and the touch detection driving circuit are connected, and the terminal parts Ta have a common layer structure.

Display device and method for producing same

A gate driving circuit includes circuits each provided in such a manner as to, as a scanning signal, select a single clock pulse of a clock signal and output the clock pulse. The circuits each include: a transistor for outputting a scanning signal; a transistor for controlling an electric potential of a gate of the transistor so that the electric potential of the gate is at a low level; a transistor for, while the transistor is not outputting the scanning signal, controlling an electric potential of a gate of the transistor so that the electric potential of the gate is at a high level; and a transistor for, while the transistor is not in operation during a period during which an operation of the selection circuit is paused, controlling the electric potential of the gate of the transistor so that the electric potential becomes high.

Display driving device and display device having electric potential controlling circuitry

Provided is a touch-panel-equipped display device that can improve the touch sensing accuracy, without decreases in the display quality, and a method for producing the same. A touch-panel-equipped display device includes an active matrix substrateThe active matrix substrateincludes a plurality of pixel electrodesa plurality of counter electrodesforming capacitors between the same and the pixel electrodesa plurality of touch detection linesa first insulating layerand a second insulating layerThe touch detection linesare connected with any of the counter electrodesand supply a driving signal for touch detection to the counter electrodesconnected therewith. Between each pixel electrodeand the corresponding one of the counter electrodesthe second insulating layeris arranged. Further, on each touch detection linethe first insulating layeris arranged, the second insulating layeris arranged on the first insulating layerand each counter electrodeis arranged on the second insulating layer

Touch-panel-equipped display device and method for producing touch-panel-equipped display device

In a liquid crystal display device () according to one aspect of the present invention, each of a first gate driver () supplying a gate signal to a first gate line () of a first display part () and a second gate driver () supplying a gate signal to a second gate line () of a second display part () are constituted to comprise a transistor formed on one surface of an array substrate ().

An active matrix substrate of the present invention includes: a first signal line and a second signal line which are aligned in a column direction in which the first signal line and the second signal line extend; a first transistor and a second transistor; and a first electrode and a second electrode, the first signal line being connected via the first transistor to the first electrode, and the second signal line being connected via the second transistor to the second electrode, and the first signal line having a first end which is one of both ends of the first signal line and faces the second signal line, the first end including a tapered part which is tapered toward the second signal line. This makes it possible to prevent a leakage defect from occurring between two signal lines which are aligned in a direction in which the two signal lines extend.

Growing community of inventors

Sakai, Japan

Yoshihiro Asai