Sharp Kabushiki Kaisha Corporation

Isao Ogasawara

Masahiro Yoshida

Satoshi Horiuchi

Takaharu Yamada

Shinya Tanaka

Tetsuo Kikuchi

Masakatsu Tominaga

Yoshihiro Asai

Yoshihito Hara

Yasuhiro Mimura

Kazunori Tanimoto

Hideaki Takizawa

Katsuhiro Okada

Toshiaki Fujihara

Kuniko Maeno

Hajime Imai

Masaki Maeda

Ryohki Itoh

Shingo Kamitani

Takehiko Kawamura

Tatsuji Saitoh

Tetsuya Fujikawa

Yasuaki Iwase

Seijirou Gyouten

Yoshimasa Chikama

Junichi Morinaga

Masahiro Kihara

Mayuko Sakamoto

Sachio Tsujino

Junya Shimada

Katsuya Ogawa

Takashi Okamoto

Katsushige Asada

Hironobu Sawada

Junichi Mori

Osamu Sugimoto

Katsuhiro Mikumo

Nobuyuki Kawase

Nobuyoshi Ueda

Takashi Terauchi

Shinya Ohira

Kazuhide Ikuta

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 display device includes a conventional first auxiliary trunk line formed to be narrow, and a second auxiliary trunk line additionally provided and disposed at the closest position to the periphery of a substrate. Thus, a shift register can be distanced from the periphery of the substrate without increasing a frame area as a whole.

Display device including trunk lines

A display device includes pixel electrodes, a first driver disposed outside a display area in which the pixel electrodes are arrayed, a touch sensor electrode which is disposed within the display area and to which a drive signal is applied from the first driver, a first wire which is disposed outside the display area and to which the drive signal is applied from the first driver, and a second wire disposed outside the display area. A predetermined electric potential is applied to the second wire, and the first wire is disposed between the second wire and the display area.

An active-matrix substrate according to an embodiment of the present invention includes a plurality of first TFTs that are arranged within a display area, an inorganic insulating layer that covers the plurality of first TFTs, an organic insulating layer that is provided on the inorganic insulating layer, a plurality of second TFTs that are arranged within a non-display area, and a source and gate metal connection portion that is positioned within the non-display area, a first conductive layer that is formed from an identical conductive film with a gate wiring line and a second conductive layer that is formed from an identical conductive film with a source wiring line being connected to each other at the source and gate metal connection portion. Each of the plurality of first TFTs is an oxide semiconductor TFT. At least one second TFT among the plurality of second TFTs is covered with the organic insulating layer. The source and gate metal connection portion is not covered with the organic insulating layer.

Active-matrix substrate and display device

Provided is an active matrix substrate in which differences of parasitic capacitances among lead-out lines connected with signal lines can be reduced, as well as a display device and a touch-panel-equipped display device including the same. An active matrix substrate includes: a plurality of signal lines Sto Sarranged so as to be parallel to one another in a display area provided on a substrate; and a plurality of lead-out lines Lto Lthat are connected with the signal lines Sto Soutside the display area. Outside the display area, the lead-out lines Lto Lare separately arranged in at least three layers, the three layers being a bottommost line layer that is formed at the position closest to the substrate, a topmost line layer that is formed at the position farthest from the substrate, and an intermediate line layer that is formed between the bottommost line layer and the topmost line layer. A capacitance is formed between the signal line Sconnected with the lead-out line Lprovided in the bottommost line layer, and the signal line Sconnected with the lead-out line Lprovided in the topmost line layer.

Active matrix substrate and display device and touch panel display device including same

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

An active matrix substrate includes: first to third lines in first to third line layers, respectively, a signal that is different from a signal supplied to the first lines and the second lines being supplied to the third lines; first connection lines that connect the first lines or the second lines with first terminals; second connection lines that connect the third lines with second terminals; inspection TFTsconnected with the second connection lines; and common lines. Each of the second connection linesis connected to any one of the common lines through the inspection TFT. A space between the adjacent two second connection linesconnected to the same common line through the second connection line switching elements is wider than a space between the second connection linesconnected to different ones of the common lines, respectively, through the second connection line switching elements.

An active matrix substrate includes: first to third lines formed in first to third line layers, respectively, a signal different from a signal supplied to the first lines and the second lines being supplied to the third lines; first connection linesthat connect the first lines or the second lines with the first terminals; and second connection linesthat connect the third lines with the second terminals. One of two adjacent ones of the first connection lines is at least partially formed in one of the first line layer and the second line layer, and the other is at least partially formed in the other line layer. In areas that are in the sealing area and where the first connection lines and the second connection lines are superposed, the two of the first connection lines are at least partially superposed when viewed in a plan view.

In the present liquid crystal display device, a conventional first auxiliary capacitance trunk lineis formed to be narrow, and a second auxiliary capacitance trunk lineis additionally provided and disposed at the closest position to the periphery of a substrate. Thus, a shift register can be distanced from the periphery of the substrate without increasing a frame area as a whole, so that the shift register is not overlaid with a seal material. Moreover, the extent of an area overlaid with a seal material within a wiring area for providing signals to the shift register can be reduced.

Liquid crystal display device including trunk lines

Inside of a region for inspection set outside a display region of an active matrix substrate, lead-out lines (to) connected to data lines pass through in a column direction, and a control line for inspection () and six signal lines for inspection (to) extend in a row direction. TFTs for inspection (to) control a conduction state between the lead-out line and the corresponding signal line for inspection in accordance with a signal on the control line for inspection. Inside the region for inspection, three of the six signal lines for inspection are arranged on one side of the control line for inspection, and the remaining three are arranged on other side of the control line for inspection. One of the two adjacent lead-out lines is connected to one of the former signal lines for inspection via the TFT for inspection (), and the other is connected to one of the latter signal lines for inspection via the TFT for inspection (). This suppresses a disconnection, a leakage current, and a luminance unevenness of a screen for inspection.

Active matrix substrate and display device

An embodiment of the present invention provides a TFT array substrate, in which TFT elements and pixel electrodes being correspondingly connected with the TFT elements are arrayed in matrix on an insulating substrate, the TFT array substrate including: gate bus lines made from a first metal material; source bus lines made from a second metal material; pixel electrodes made from a third metal material; a clock wiring made from the first metal material; a branch wiring made from the second metal material; and a connection conductor made from the third metal material, the connection conductor connecting the clock wiring and the branch wiring at a connection part in a periphery area, the connection part having a branch-wiring via hole, which exposes the branch wiring which is covered with the connection conductor, and overlaps the clock wiring at least partly in a plane view.

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Osaka, Japan

Isao Ogasawara