Sharp Kabushiki Kaisha Corporation

Toyo Gosei Co., Ltd.

Merck Patent Gmbh

Chisso Corporation

Unified Innovative Technology, LLC

Takeshi Noma

Youhei Nakanishi

Masanobu Mizusaki

Takayuki Nishiyama

Ryo Yonebayashi

Kohhei Tanaka

Yosuke Iwata

Satoshi Enomoto

Hidefumi Yoshida

Mitsuhiro Murata

Kohei Tanaka

Hideo Kikuchi

Yuichiro Yamada

Yuki Hara

Takashi Katayama

Hisashi Watanabe

Yohei Nakanishi

Yasuhiro Sugita

Shinji Yamagishi

Yuichi Kawahira

Masayuki Kanehiro

Jean Mugiraneza

Yoshimi Tsujiyama

Kenshi Tada

Taizo Sugihara

Shingo Horiuchi

Tadao Matsumoto

Hirotoshi Ishikawa

Hiroaki Nishio

A technique is provided that reduces dullness of a potential provided to a line such as gate line on an active-matrix substrate to enable driving the line at high speed and, at the same time, reduces the size of the picture frame region. On an active-matrix substrate () are provided gate lines (G) and source lines. On the active-matrix substrate () are further provided: gate drivers () each including a plurality of switching elements, at least one of which is located in a pixel region, for supplying a scan signal to a gate line (G); and lines (L) each for supplying a control signal to the associated gate driver (). A control signal is supplied by a display control circuit () located outside the display region to the gate drivers () via the lines (L). In response to a control signal supplied, each gate driver () drives the gate line (G) to which it is connected.

Active-matrix substrate, display panel and display device including the same

Provided is an active matrix substratein which either a plurality of source lines (data lines)S or a plurality of gate linesG, as constituent elements of the active matrix substrate, are vertical lines extending in the longitudinal direction, and the other are horizontal lines. Among a plurality of pixel control elementsT that are provided in correspondence to a plurality of pixels and are connected with the data lineS and the gate linesG so as to control display of the corresponding pixels, respectively, a part of the pixel control elementsT connected with one same horizontal line are arranged on one side with respect to the respective vertical lines to which the pixel control elements are connected, the side being different from a side on which the other pixel control elements connected with the same horizontal line are arranged. Among a plurality of switching elementsas constituent elements of a gate driver (driving circuit), at least a part of the switching elementsare respectively arranged in areas between adjacent ones of the vertical lines, in each of which areas a distance between adjacent ones of the pixel control elementsT is wider than a distance between other adjacent ones of the pixel control elementsT.

Active matrix substrate, and display panel

Provided is an active matrix substrate that includes gate lines (G), source lines, pixel switching elements, a plurality of gate line driving circuits () that control potentials of the gate lines, in the display region, and control signal lines (L) that supply a control signal to the gate line driving circuits (). Each of the gate line driving circuits () includes driving switching elements and a capacitor. At least part of the driving switching elements and the capacitor are arranged at positions closer to, not the gate line (G) corresponding to the gate line driving circuit (), but another gate line (G).

Active matrix substrate and display panel

An active matrix substrate is provided that includes: a plurality of source lines (data lines)S; a plurality of lines that intersect with the source linesS, and include at least a plurality of gate linesG; a gate driver (driving circuit)that includes a plurality of switching elements, and are connected to at least a part of the lines, so as to control potentials of the lines according to a control signal; and a plurality of pixel control elementsT that are provided in correspondence to a plurality of pixels that compose a display region, and are connected with the data linesS and the gate linesG, so as to control display of the corresponding pixels, respectively. Either the data linesS or the gate linesG are vertical lines while the others are horizontal lines, and intervals of the horizontal lines are irregular intervals. At least a part of the switching elementsare arranged in areas that are between the pixels adjacent in the vertical direction, and where none of the pixel control elementsT is arranged.

The present invention provides a technique for reducing pixel brightness unevenness in a case where driving circuits for switching gate lines to a selected or non-selected state are provided in pixels. An active matrix substrate includes, in each pixel PIX, a pixel-switching elementand a pixel electrode PXB. Further, in the active matrix substrate, a plurality of driving circuits that switch one gate line to a selected or non-selected state are arranged in the pixels, and control linesthat supply control signals to the driving circuits are arranged in the pixels. Each driving circuit includes a plurality of switching elements and an internal line netA. At least a part of the driving circuit lines among the control linesconnected to the driving circuit, and the internal line netA in the driving circuits, are arranged in the vicinity of the pixel-switching element, and potentials thereof do not change at a timing when the gate lineconnected with the pixel-switching elementshifts to the non-selected state.

Active matrix substrate, and display device including same

A technique of, in the case of changing, at predetermined time intervals, a drive circuit for switching a gate line to a selected state, preventing a stopped drive circuit from malfunctioning is provided. Each of a plurality of drive circuits provided for each gate line in an active-matrix substrate includes: a selection circuit unit including an output switching element that is turned on to apply a voltage to the gate line in response to a control signal; an internal line connected to a gate terminal of the output switching element and the gate line; and a potential control circuit unit connected to the internal line for controlling a potential of the internal line in response to the control signal. At predetermined time intervals, a signal supply unit: supplies, to at least one of the plurality of drive circuits, a potential control signal so that the potential of the internal line is controlled to be lower than a threshold voltage of the output switching element by the potential control circuit unit; and supplies, to each of the other drive circuits, a drive signal so that a selection voltage is applied to the gate line by the selection circuit unit.

Active-matrix substrate and display device including the same

The present invention provides a liquid-crystal display device capable of maintaining a high voltage holding ratio even without an alignment film. The liquid-crystal display device of the present invention includes a pair of substrates, a liquid crystal layer which is sandwiched between the substrates and which contains a liquid crystal material, and a polymer layer which is disposed on a surface of each of the substrates and which controls the alignment of liquid crystal molecules. The outermost surfaces of both the substrates comprise substantially no alignment film. The polymer layer is formed by polymerizing one or more radical polymerizable monomer species added to the liquid crystal layer. At least one species of the one or more radical polymerizable monomer species is a biphenyl compound having a specific structure.

Liquid-crystal display device and process for producing liquid-crystal display device

Provided is a display device causing less noise on a signal. A display device () includes a plurality of signal lines (SL), a plurality of gate lines (GL), and a driving unit. The plurality of gate lines crosses the plurality of signal lines. The driving unit is connected to the plurality of gate lines and controls a potential of each of the gate lines. The driving unit includes a plurality of gate drivers () and a plurality of lines. The gate drivers are disposed in a display region, and at least one of the gate drivers is connected to each of the gate lines. The lines are each provided with a potential for operation of one of the gate drivers. Each of the lines crosses one of the signal lines. The plurality of lines includes a first line (A) and a second line (B). The driving unit switches a potential of the first line at predetermined timing. The driving unit switches a potential of the second line into a direction opposite to a direction of the switched potential of the first line upon switching the potential of the first line.

Display device

To reduce the parasitic capacitance of a driving circuit and definitely switches a gate line to a selection state, an active matrix substrate is provided. The active matrix substrate includes a driving circuit that switches a gate line (G) to a selection state in a pixel region defined by a source line (S) and the gate line (G). The driving circuit includes: a plurality of switching elements including an output switching element (TFT-F) that supplies a selection voltage to the gate line; and an internal line (netA) to which a gate terminal of the output switching element (TFT-F) and at least a first switching element of the switching elements other than the output switching element are connected. The active matrix substrate includes a reduction part (Cand C) that reduce the parasitic capacitance of the driving circuit in the pixel region in which at least one of the internal line and the first switching element is located.

Active matrix substrate, and display device including the active matrix substrate

Provided is a sensor-equipped display device () that includes: a first substrate (); a second substrate () opposed to the first substrate (); a liquid crystal layer (LC); a plurality of first lines () extending in a first direction in a pixel area (AA); second lines extending in a second direction that is different from the first direction; pixel switching elements that are provided for pixels, respectively, and are connected to the first lines and the second lines; a plurality of sensor electrodes (SE, DL) provided at positions that overlap the pixel area on at least one of the first substrate and the second substrate, for detecting the contact or approach of the object; and a plurality of sensor lead-out lines that are provided in parallel to the first lines or the second lines in the pixel area on the first substrate, and are connected to the sensor electrodes, respectively.

Sensor-equipped display device

An aspect of the present invention provides a monomer from which a polymer layer capable of keeping high display quality even in high temperature and high humidity environments can be formed. The monomer in an aspect of the present invention is a compound represented by P-Sp-Z-A-(Z-A)-Z-Sp-P: in the formula, P denotes the same or different radical polymerizable group; and at least one of Z, Z, and Zdenotes &#x2014;NRCO&#x2014; or &#x2014;CONR&#x2014; group.

Monomer, liquid crystal composition, liquid crystal display device, and production method for liquid crystal display device

A liquid crystal display device includes: a polymer layer that controls the alignment of liquid crystal molecules on at least one of the first substrate and the second substrate. The polymer layer is formed by polymerizing one or more radical-polymerizable monomers added to the liquid crystal layer. At least one of the radical-polymerizable monomers is a compound represented by P-Sp-Z-A-(Z-A)-Z-Sp-P. In an example encompassed by the formula, P represents a radical-polymerizable group. Spand Speach represent a direct bond or an alkylene group. Arepresents a divalent aromatic hydrocarbon group. Arepresents a phenylene group. Z, Z, and Zmay be the same or different. At least one of Z, Z, and Zrepresents a direct bond, or an &#x2014;NRCO&#x2014; group or &#x2014;CONR&#x2014; group. R represents a hydrogen atom or a C-Clinear alkyl group or alkenyl group. nis 0 or 1.

Liquid crystal display device

Provided is an active matrix substrate that can protected from static electricity, with the frame region being narrowed. An active matrix substrate () includes a plurality of first lines (GL), a plurality of second lines (SL), and a protection part (). The first lines are formed in a display region (). The second lines are formed in the display region, and intersect with the first lines. The protection part protects the active matrix substrate from static electricity. The protection part includes a plurality of first protection circuits (A), and a conductive unit (B). The first protection circuits are connected to each of the first lines in the display region. The conductive unit is connected to each of the first protection circuits in the display region. Each of the first protection circuits, according to a potential of the first line to which the first protection circuit is connected, allows the first line and the conductive unit to be conductive with each other.

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Osaka, Japan

Takeshi Noma