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Interdigited (comb-shaped) electrodes

Subclass of:

349 - Liquid crystal cells, elements and systems

349056000 - PARTICULAR STRUCTURE

349084000 - Having significant detail of cell structure only

349139000 - Electrode or bus detail (i.e., excluding supplemental capacitor and transistor electrodes)

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DocumentTitleDate
20130083280ARRAY SUBSTRATE OF FRINGE FIELD SWITCHING MODE LIQUID CRYSTAL DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - An array substrate of a fringe field switching (FFS) mode liquid crystal display (LCD) panel and manufacturing method thereof are provided. The gate electrodes and the common electrode of the FFS mode LCD panel are formed on the array substrate by the same photolithographic process, and the common electrode, the gate lines and the gate electrodes are disposed on the same layer. The passivation layer of the FFS mode LCD panel is formed on the pixel electrodes. The passivation layer has a plurality of first openings, and each of the first openings at least partially exposes the pixel electrodes.04-04-2013
20130044285PIXEL STRUCTURE OF FRINGE FIELD SWITCHING MODE LCD - A pixel structure of a fringe field switching (FFS) mode LCD is provided, and the pixel structure includes: a scan line, a thin film transistor (TFT), a common electrode, a pixel electrode, and a patterned insulative layer. The pixel electrode is insulatively disposed on the common electrode. The pixel electrode generates a fringe field corresponding to the common electrode. The patterned insulative layer, which is disposed above the scan line and the TFT, is utilized to confine the fringe field so as to reduce disordered electrical field, thereby improving the shortcoming of light leakage.02-21-2013
20120182512LIQUID CRYSTAL DISPLAY DEVICE - This invention provides a liquid crystal display device in which response characteristics of liquid crystal molecules are improved. The liquid crystal display device includes a pair of substrates that are disposed facing each other, and a liquid crystal layer that is sandwiched between the pair of substrates. The liquid crystal layer contains liquid crystal molecules having positive dielectric anisotropy. The liquid crystal molecules align in a vertical direction relative to surfaces of the pair of substrates in a state in which a voltage is not applied thereto. The pair of substrates includes two or more sets of comb-shaped electrode pairs in which comb tooth portions of each comb-shaped electrode are alternately disposed with each other with a certain space therebetween. One substrate of the pair of substrates comprises a first polarizer. The other substrate of the pair of substrates comprises a second polarizer. A long axis of a comb tooth portion of a first comb-shaped electrode pair among the two or more sets of comb-shaped electrode pairs and a transmission axis of the first polarizer form an angle of substantially 45°. A long axis of a comb tooth portion of a second comb-shaped electrode pair among the two or more sets of comb-shaped electrode pairs and a transmission axis of the second polarizer are in a parallel or orthogonal relationship with each other. The transmission axis of the first polarizer and the transmission axis of the second polarizer are orthogonal to each other. The first comb-shaped electrode pair and the second comb-shaped electrode pair overlap with each other when the surfaces of the pair of substrates are viewed from a normal line direction.07-19-2012
20130050627LIQUID CRYSTAL DISPLAY APPARATUS - According to one embodiment, an apparatus includes a first substrate including a pixel electrode including a contact portion, main pixel electrodes extending in a second direction perpendicular to a first direction from two end portions of the contact portion in the first direction, and a connecting portion electrically connecting extended distal ends of the main pixel electrodes, a second substrate including a common electrode including main common electrodes extending substantially parallel to the main pixel electrode on either side of the main pixel electrode, and secondary common electrodes extending between the main common electrodes between the pixel electrodes juxtaposed in the second direction, and a liquid crystal layer.02-28-2013
20130088680LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSAL DISPLAY DEVICE - The present invention provides a liquid crystal display panel and a liquid crystal display device which have a high response speed. The present invention relates to a liquid crystal display panel including a first substrate and a second substrate disposed to face each other, and a liquid crystal layer sandwiched between the first substrate and the second substrate, wherein the liquid crystal layer includes a liquid crystal molecule having positive dielectric anisotropy; the liquid crystal molecule is aligned perpendicularly to a surface of the first substrate when no voltage is applied; the first substrate includes a signal line, a scanning line, a first electrode to which an image signal is provided through the signal line, and a second electrode; the first electrode includes a first comb-tooth portion; the second electrode includes a second comb-tooth portion; the first comb-tooth portion and the second comb-tooth portion are disposed in the same layer to planarly face each other in a pixel; the second substrate includes a third electrode and a dielectric layer disposed on the liquid crystal layer side of the third electrode, the third electrode covering at least a display region; and the slowest rise response speed is not more than twice a rise response speed upon application of a maximum gradation voltage to the display panel to which no voltage has been applied.04-11-2013
20130057818LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: two opposing substrates; a liquid crystal layer interposed between the two substrates and including liquid crystal molecules; a gate line which transfers a gate signal; a data line which transfers a data voltage; a voltage transfer line which transfers a voltage having a predetermined magnitude; and pixels, each including first and second pixel electrodes separated from each other, where the first pixel electrode includes first and second subpixel electrode, the second pixel electrode includes third and fourth subpixel electrodes, each of the first to fourth subpixel electrodes includes a stem and branch electrodes, the branch electrodes of the first and third subpixel electrodes are alternately disposed, the branch electrodes of the second and fourth subpixel electrodes are alternately disposed, and a voltage difference between the first and second pixel electrodes is greater than a voltage difference between the second and fourth subpixel electrodes.03-07-2013
20110013129DISPLAY SUBSTRATE AND DISPLAY DEVICE HAVING THE SAME - A display substrate includes a base substrate, a switching element and a pixel electrode. The switching element is formed on the base substrate. The pixel electrode is electrically connected to the switching element. The pixel electrode includes a plurality of slit electrodes respectively disposed on a plurality of domains in parallel defined in a first direction. The slit electrodes are extended in a direction different from the first direction. A slope of a first long side of the slit electrodes is different from that of a second long side opposite to the first end side of the slit electrode. Thus, a plurality of domains is formed on one line, so that a direction of liquid crystal molecules is controlled and a generation of texture may be decreased at a boundary between domains. As a result, compensating efficiency is enhanced.01-20-2011
20090268145LIQUID CRYSTAL DISPLAY DEVICE - An IPS type liquid crystal display device capable of preventing a blanking phenomenon generated to the periphery of a screen caused by charging at the inside of a counter substrate due to the effect of a gate voltage applied to scanning line leads. In a pixel area A constituting a display region, a pixel electrode is disposed by way of an insulative film above a common electrode formed in a planar shape. In a scanning line lead area, the scanning line leads have first scanning line leads and second scanning lines formed in different layers for decreasing the width of the scanning line lead area. The scanning line leads are covered with a shield electrode formed coplanar with the common electrode. Since the shield electrode is extended as far as a portion below a sealant, the shielding effect is enhanced. Further, since the insulative film is present between the sealant and the shield electrode, the sealing effect is not deteriorated.10-29-2009
20090046234DISPLAY DEVICE - An embodiment of the invention provides a display device having a common electrode and pixel electrodes disposed in an insulating state on one of a pair of substrates between which a liquid crystal layer is held, in which each of the pixel electrodes includes a plurality of electrode portions disposed in parallel with one another, each of the electrode portions has a flat surface shape in which each of the electrode portions is bent approximately at a central portion in an extension direction, and each of the pixel electrodes also includes a bridge portion through which corresponding ones of the electrode portions are connected to one another in the bending portion.02-19-2009
20090046233THIN FILM TRANSISTOR ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY PANEL HAVING THE SAME - A TFT array is disclosed that includes a substrate, a gate line formed on the substrate, the gate line extending in a first direction; a data line insulated from the gate line, the data line extending in a second direction different from the first direction and crossing the gate line; and a pixel, positioned adjacent an intersection of the gate line and the data line, wherein the pixel comprises a first pixel electrode portion comprising a plurality of spaced apart first electrode lines, the first pixel electrode portion having an associated TFT coupled to the first electrode portion, a second pixel electrode portion comprising a plurality of spaced apart second electrode lines, the second pixel electrode portion capacitively coupled with the first pixel electrode portion, wherein a width of each of the first electrode lines of the first pixel electrode portion is narrower than a width of each of the second electrode lines of the second pixel electrode portion, and an interval between adjacent first electrode lines of the first pixel electrode portion is smaller than an interval between adjacent second electrode lines of the second pixel electrode portion.02-19-2009
20090009704LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device includes a first substrate and a second substrate that are disposed to face each other, a first electrode and a second electrode that are disposed on a surface, which faces the second substrate, of the first substrate, a liquid crystal layer that is disposed between the first substrate and the second substrate and has liquid crystal molecules aligned in a direction parallel to the first substrate, and a pair of polarizing elements having the liquid crystal layer interposed therebetween. The liquid crystal molecules are driven by an electric field that is generated by an electric potential difference between the first electrode and the second electrode and has a component parallel to the first substrate, and the retardation of the liquid crystal layer is equal to or larger than 0.66λ and is equal to or smaller than 0.83λ for light having a wavelength λ of 555 nm.01-08-2009
20120113376THIN FILM TRANSISTOR ARRAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY APPARATUS - A thin film transistor array substrate of the present invention having an array area, and a frame area, the thin film transistor array substrate includes: a thin film transistor; an upper metal pattern formed by the same material as source and drain electrodes at the same layer; a transparent conductive film pattern; and an upper layer insulation film, wherein the transparent conductive film pattern has: a first-type transparent conductive film pattern provided to located within one of a pattern of the electrode pattern and a pattern of the metal pattern, as viewed from the top side, and to not cover pattern end faces of the electrode pattern or the metal pattern; and a second-type transparent conductive film pattern provided to stick out from an inside of at least a portion of one of the patterns, as viewed from the top side and to cover the pattern end faces.05-10-2012
20100201933LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device of the invention can, when a liquid crystal panel receives a pressing force from the outside, prevent the displacement of columnar spacers which are formed over a counter substrate for defining a distance between the counter substrate and a TFT substrate in the direction parallel to the substrate. In a case where the TFT substrate or the counter substrate receives a pressing force from the outside, when the columnar spacers which define the distance between the TFT substrate and the counter substrate are displaced in one or more directions, the alignment disorder of liquid crystal molecules occurs or an alignment film is shaved so that leaking of light occurs due to shaved chips of the alignment film and hence, contrast of an image is lowered. Projections are formed on a TFT substrate side by making use of bus electrodes provided for preventing lowering of a voltage of counter electrodes. When the TFT substrate or the counter substrate receives a pressing force from the outside, the projections bite into a distal end of the columnar spacer so that the displacement of the columnar spacer in one or more directions can be prevented.08-12-2010
20100201932LIQUID CRYSTAL DISPLAY DEVICE - An IPS liquid crystal display device having comb-teeth-shaped pixel electrodes which can prevent image retention while ensuring reliability of through hole portions and reliability of terminal area is provided. In an IPS liquid crystal display device having comb-teeth-shaped pixel electrodes, image retention occurs when rubbing is not applied to a gap defined between the comb-teeth-shaped electrodes. The pixel electrodes, through holes which supply a voltage to the pixel electrodes and a terminal area are formed of an ITO film. By setting a film thickness of only the ITO film for forming the pixel electrodes smaller than a film thickness of the ITO film formed at the through holes and a film thickness of the ITO film for forming the terminal area, it is possible to sufficiently apply rubbing to a gap between the comb-teeth-shaped electrodes which constitute the pixel electrodes.08-12-2010
20110285953Display Apparatus with Display Switching Modes - The present invention discloses a display apparatus with display switching mode, the display apparatus includes a display device; an image mode switch device formed corresponding to the display device, wherein the image mode switch device includes: a liquid crystal layer; a first electrode set on a side of the liquid crystal layer; a second electrode set between the first electrode and the liquid crystal layer; a third electrode set on another side of the liquid crystal layer; and a voltage providing device electrically coupled to the image mode switch device to supply different voltage to the first electrode, the second electrode and the third electrode for switching displaying mode; the display apparatus may display the 2D, 3D and IP stereo image by using the electrodes with different pattern and voltage with different voltage on the first electrode, the second electrode and the third electrode.11-24-2011
20100265447ARRAY SUBSTRATE FOR IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An array substrate for an in-plane switching mode liquid crystal display device and its fabrication method are discussed. According to an embodiment, the array substrate includes a gate line and a data line crossing the gate line on a base substrate, so as to define a pixel region; a thin film transistor connected to the gate line and the data line; a plurality of pixel electrodes disposed in the pixel region and connected to the thin film transistor; a common line extending substantially parallel to the gate line; and a plurality of common electrodes alternately arranged with the plurality of pixel electrodes in the pixel region, wherein the plurality of common electrodes include at least one first common electrode adjacent to the data line and connected to the common line, and at least one second common electrode extending substantially parallel to the date line and not directly connected to the common line.10-21-2010
20110080549ARRAY SUBSTRATE FOR FRINGE FIELD SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An array substrate for a fringe field switching mode liquid crystal display device includes a substrate including a display region and a non-display; a gate line on the substrate and in the display region; a common pad on the substrate and in the non-display region; a gate insulating layer on the gate line and the common pad; a data line on the gate insulating layer and crossing the gate line to define a pixel region in the display region; a thin film transistor connected to the gate and data lines; a first passivation layer on the data line and the thin film transistor; a common electrode on the first passivation layer and covering an entire surface of the display region; a second passivation layer on the common electrode; and a pixel electrode on the second passivation layer and having a plate shape in each pixel region.04-07-2011
20110216279THIN FILM TRANSISTOR ARRAY PANEL FOR LIQUID CRYSTAL DISPLAY - Disclosed is a liquid crystal display capable of high quality image and bright display. Gate signal lines are curved at near switching elements of the liquid crystal display. A pixel area is defined by the gate signal lines and their intersecting data signal lines. Pixel electrodes and common electrodes are disposed along a longitudinal direction of a pixel. A pixel signal and a common signal line is connected to the pixel electrode and the common electrode respectively. A storage capacitor may be formed in the middle of a longitudinal direction of the pixel, or where generally a texture may arise during display. One half of the pixel may be symmetrical with the other half with respect to the storage capacitor. A common signal line may be parallel with the data signal line and be disposed nearer to the data signal line than a pixel signal line. The pixel may be disposed symmetrically with respect to the data signal line therebetween. The pixel shape may also be repeated in the direction of the gate signal line.09-08-2011
20100110358LIQUID CRYSTAL DISPLAY - A liquid crystal display according to an exemplary embodiment of the present invention includes: a first insulation substrate; a pixel electrode formed on the first insulation substrate, and including a first subpixel electrode and a second subpixel electrode separated from each other; a second insulation substrate facing the first insulation substrate; a common electrode formed on the second insulation substrate and facing the pixel electrode; and a liquid crystal layer formed between the pixel electrode and the common electrode, and including a plurality of liquid crystal molecules, wherein the first and second subpixel electrodes respectively include a plurality of minute branches, and the minute branches of the first subpixel electrode and the minute branches of the second subpixel electrode are alternately disposed in a unit of at least one minute branch.05-06-2010
20100007839DISPLAY SUBSTRATE AND DISPLAY PANEL HAVING THE SAME - In a display substrate and a vertical alignment display panel having the same, the display panel includes an array substrate and an opposite substrate. A plurality of first slit portions are arranged through a pixel area of a common electrode on the array substrate, and the first slit portions extend in a slanted direction. A plurality of grooves and a plurality of protruding portions are alternately arranged at edges facing each other on the first slit portion, so that the first slit portions are patterned. A positive singular point is generated on a side surface of a protruding portion, and a negative singular point is generated between the positive singular points.01-14-2010
20090207365Liquid crystal display device - A liquid crystal display device is disclosed. The disclosed liquid crystal display device includes gate lines, data lines formed to intersect with the gate lines, thereby defining sub-pixel regions, vertical common lines formed in parallel to the data lines such that at least one vertical common line is arranged for one pixel region, which is constituted by at least three sub-pixel regions, thin film transistors each connected to a corresponding one of the gate lines and a corresponding one of the data lines, pixel electrodes each connected to a corresponding one of the thin film transistors, and common electrodes each connected to a corresponding one of the vertical common lines.08-20-2009
20090244467LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS - A liquid crystal display device includes two substrates, liquid crystal therebetween, and sub-pixel regions. Each sub-pixel region is divided into first to fourth display regions by a first axis extending orthogonal to an optical axis of a polarizing plate and a second axis extending orthogonal to the first axis. Each first to fourth display region includes slit electrodes on the second electrodes along the first axis. First slit electrodes in the first display region and second slit electrodes in the second display region are symmetric relative to the first axis. Third slit electrodes in the third display region and fourth slit electrodes in the fourth display region are symmetric relative to the first axis. The first and fourth slit electrodes are symmetric relative to the second axis. The second and third slit electrodes are symmetric relative to the second axis.10-01-2009
20100091232LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display (LCD) panel including a first substrate, a plurality of scan lines, a plurality of data lines, a plurality of pixel structures, a second substrate, and a liquid crystal layer is provided. The scan lines, data lines, and pixel structures are disposed on the first substrate. The pixel structures are electrically connected to the corresponding scan lines and data lines. The liquid crystal layer is disposed between the first and the second substrates. Each pixel structure includes a first active device, a first pixel electrode electrically connected to the first active device, and a second pixel electrode. A V-shaped main slit formed between the first and the second pixel electrodes has a tip and two branches connected thereto. The tip of the V-shaped main slit directs towards the second pixel electrode. The edges of the first and the second pixel electrodes adjoining each branch are substantially parallel.04-15-2010
20090015775Liquid crystal display device - The present invention provides a liquid crystal display device which includes a pixel electrode and a counter electrode in a pixel formed on a surface of a substrate which faces liquid crystal, the counter electrode is formed below an insulation film, and the pixel electrode is formed above the insulation film, wherein the counter electrode is formed over a whole area of a center except for a slight periphery of at least the pixel, the pixel electrode is constituted of separate pixel electrodes to which a video signal which is supplied to the pixel is inputted through the separate switching elements at the same timing, and the separate pixel electrodes are respectively formed of a plurality of electrodes and the respective electrodes are alternately arranged.01-15-2009
20100123867DISPLAY SUBSTRATE AND DISPLAY PANEL HAVING THE SAME - A display substrate includes a pixel electrode and a photoalignment film. The pixel electrode is disposed on a base substrate. The pixel electrode includes a first sub-electrode, a second sub-electrode separated from the first sub-electrode, and a micro-slit pattern disposed on at least one of the first and second sub-electrodes. The photoalignment film is disposed on the pixel electrode to respectively divide the first and second sub-electrodes into a plurality of domains.05-20-2010
20090207364Liquid crystal display device - A liquid crystal display device which can enhance optical transmissivity is provided. One pixel region is divided into a first pixel region, a second pixel region and a third pixel region in order from one video signal line to another video signal line, the first pixel region and the third pixel region adopt the so-called IPS-Pro type structure, and the second pixel region adopts the so-called IPS structure in narrow meaning. A line width of linear electrode in the second pixel region is set to 2.5 μm or less.08-20-2009
20100103360Liquid Crystal Display Device - A liquid crystal display device comprising: liquid crystal layer provided between a first substrate and a second substrate; first electrodes, which are formed above the first substrate as a first layer, each first electrode having a side which extends in the direction in parallel with the extending direction of data lines, each first electrode electrically connected to corresponding data line via corresponding switching device; and a second electrode, which is formed above the first substrate as a second layer, having a first slit and a second slit in each part of the area overlapping with corresponding first electrode; wherein the first slit has a first elongated portion extending in a direction inclining toward the extending direction of the side at a given angle, a second elongated portion extending in a direction inclining toward the extending direction of the side at an angle symmetrical to the given angle with respect to the first elongated portion, and a bent portion that connects the first elongated portion with the second elongated portion; and the second slit has a third elongated portion which is formed in parallel with the first elongated portion, and a fourth elongated portion which is formed in parallel with the second elongated portion and separated from the third elongated portion.04-29-2010
20100060838LIQUID CRYSTAL DISPLAY AND METHOD THEREOF - A liquid crystal display (“LCD”) includes first and second substrates facing each other, a plurality of pixel electrodes arranged in a matrix shape on the first substrate and including a stem and a plurality of minute branches obliquely extending from the stem, a common electrode facing the plurality of pixel electrodes, and a liquid crystal layer interposed between the first substrate and the second substrate and including a plurality of liquid crystal molecules, wherein the pixel electrodes are classified into a plurality of sub-regions according to a length direction of the minute branches, and the minute branches are protruded at edges of the sub-regions.03-11-2010
20090002621Transparent Electrode and Liquid Crystal Display Device Provided With the Same - A transparent electrode (01-01-2009
20100134742LIQUID CRYSTAL DISPLAY - The present invention relates to a liquid crystal display that includes: gate lines and data lines arranged on a first substrate; pixel electrodes connected to the gate lines and the data lines, and including a first sub-pixel electrode and a second sub-pixel electrode separated from each other by a gap; a common electrode arranged on a second substrate, and facing the pixel electrodes; and a liquid crystal layer disposed between the pixel electrodes and the common electrode and including a plurality of liquid crystal molecules, wherein each of the first sub-pixel electrode and the second sub-pixel electrode includes a plurality of fine branch portions, the second sub-pixel electrodes include a connection portion surrounding the fine branch portions of the first sub-pixel electrodes, and a plurality of notches are formed in the connection portion of the second sub-pixel electrode.06-03-2010
20100097556DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS INCLUDING THE SAME - A display panel is provided. The display panel includes a substrate and a pixel electrode disposed on the substrate and having a pair of first primary edges facing each other and a pair of second primary edges connected to the first primary edges and facing each other, wherein the second primary edges include a plurality of protrusions of the pixel electrode having the shape of sawteeth.04-22-2010
20110141424BLUE PHASE LIQUID CRYSTAL DISPLAY DEVICE - A blue phase liquid crystal display device includes a first substrate having a first pixel region, a first gate line on the first substrate, first and second data lines on the first substrate, a first thin film transistor (TFT) and a second TFT disposed in the first pixel region, the first TFT connected to the first gate line and the first data line, and the second TFT connected to the first gate line and the second data line, a first pixel electrode in the first pixel region and connected to the first TFT, and a second pixel electrode in the first pixel region and connected to the second TFT, a second substrate facing the first substrate, and a liquid crystal layer between the first and second substrates, the liquid crystal layer having an optical isotropic property without an electric field and a birefringence property with the electric field.06-16-2011
20080212009LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - In a liquid crystal display panel of a type having common electrodes, one solidly formed for each pixel, over the main face of an insulating substrate and a comb-shaped pixel electrode over the common electrodes via an insulating film, the patterning of the common electrodes is accurately accomplished without using sputtered film formation or a photolithographic step. A bank 09-04-2008
20080284965Liquid crystal display device and fabricating method thereof - A liquid crystal display device includes a gate line and a data line crossing each other to define a pixel region, a thin film transistor positioned at the crossing of the gate line and the data line, a common line extending in parallel to the gate line, a common electrode connected to the common line and having common finger portions extending into the pixel region, and a pixel electrode connected to a drain electrode of the thin film transistor and having pixel finger portions extending into the pixel region and overlapping the common line.11-20-2008
20100271583Liquid crystal display devices with high transmittance and wide viewing angle - Apparatus, methods, systems and devices for high aperture ratio, high transmittance, and wide viewing angle liquid crystal display having first and second substrates each with an alignment layer and polarizer on the interior and exterior surface thereof and a liquid crystal material therebetween forming plural pixels each having a common electrode group and a pixel electrode group each having at least one common and pixel electrode. A fringe field drives the molecules in the regions above and below the electrodes and a horizontal field drives the molecules between the electrode groups to achieve high transmittance. In an embodiment an insulating layer separates the substrate and alignment layer and the pixel electrodes are on the substrate and the common electrodes are on the insulating layer. In another embodiment a compensation film is layered between one of the substrates and corresponding polarizer.10-28-2010
20100141884LIQUID CRYSTAL DISPLAY DEVICE OF IN-PLANE SWITCHING MODE - An IPS mode LCD device with an improved aperture ratio is disclosed. The IPS mode LCD device includes: gate lines and data lines configured to cross each other and to define first and second pixel regions arranged to alternate with each other; a thin film transistor formed at each intersection of the gate and data lines and configured to include a source electrode extended from the data line, a drain electrode separated from the source electrode, and a gate electrode extended from the gate line; a pixel electrode configured to include a pixel electrode lead portion connected to the drain electrode, a pixel electrode connection bar extended from the pixel electrode lead portion, and a plurality of pixel electrode protrusions extended from the pixel electrode connection bar; common lines arranged to be separated parallel to the gate lines; and a common electrode configured to include a common electrode connection bar connected to the common line, and a plurality of common electrode protrusions extended from the common electrode connection bar and arranged to alternate with the pixel electrode protrusions. At least one of the first and second pixel regions is configured to include upper and lower portions in which the pixel electrode protrusions and the common electrode protrusions are arranged in different numbers.06-10-2010
20100141885Liquid crystal display of fringe field switching type - A liquid crystal display of a fringe field switching type is disclosed which can prevent generation of display stains upon application of an external pressure. The liquid crystal display of a fringe field switching type includes: a gate line; a data line; a TFT connected to the gate line and the data line; a pixel electrode connected to the TFT to receive a data signal; a common line for supplying a common voltage; and a common electrode electrically connected to the common line and formed in a plate shape, wherein the domains are vertically symmetrical with respect to a domain border area, and the pixel electrode includes a plurality of finger portions spaced apart from one another by a predetermined gap to form a fringe field together with the common electrode and a border link pattern connecting the finger portions at the domain border area.06-10-2010
20100141886Horizontal electric field type liquid crystal display - A horizontal electric field type liquid crystal display is disclosed. The horizontal electric field type liquid crystal display includes a gate line on a substrate, a data line crossing the gate line with a gate insulating layer interposed between the gate line and the data line, the gate line and the data line defining a pixel area, a thin film transistor (TFT) connected to the gate line and the data line, a pixel electrode that is connected to the TFT to receive a data signal, a common electrode pattern on which a common voltage is supplied, and a pixel common electrode that is electrically connected to the common electrode pattern to form a horizontal electric field together with the pixel electrode. The pixel common electrode contacts the common electrode pattern in a non-display area of an upper portion at one side of the pixel area.06-10-2010
20110267571ARRAY SUBSTRATE FOR IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE - An array substrate for an in-plane switching mode liquid crystal display device includes a gate line on a substrate including a pixel region, the pixel region including a first domain at a lower side with respect to the gate line and a second domain at an upper side with respect to the gate line; a data line crossing the gate line; a thin film transistor in the pixel region and at a crossing portion of the gate and data lines; a plurality of first pixel electrodes in the first domain; a plurality of second pixel electrodes in the second domain, the plurality of first pixel electrodes and plurality of second pixel electrodes sharing the thin film transistor; a plurality of first common electrodes in the first domain and alternately arranged with the plurality of first pixel electrodes; and a plurality of second common electrodes in the second domain and alternately arranged with the plurality of second pixel electrodes.11-03-2011
20090122249Liquid crystal display having particular electrodes and a spacer - The present invention is to provide the multi-domain system IPS (In-Plane Switching mode) liquid crystal display which has high contrast and does not have an improper image display. According to an aspect of the present invention, there is provided a black matrix formed between a pair of substrates and formed over a plurality of drain lines and gate lines, a plurality of spaces arranged under the black matrix, wherein a plurality of liquid crystal molecules lined to a boundary direction of the black matrix in “OFF” state, and having a first group and a second group in “ON” state, wherein a switching angle of the second group is opposite to a switching angle of the first group.05-14-2009
20120069283LIQUID CRYSTAL DISPLAY - According to one embodiment, a liquid crystal display includes a liquid crystal layer exhibiting Kerr effect, a first electrode including combtooth portions, a second electrode, and protruding portions facing a main surface of the liquid crystal layer with at least one of the first and second electrodes interposed therebetween. The combtooth portions each extends in a first direction and are arranged in a second direction. The second electrode includes a portion that faces the main surface and is positioned in a gap between the combtooth portions or faces the main surface with the gap interposed therebetween. The protruding portions each extends in the first direction and are arranged in the second direction. Each of the first protruding portions forms a convex surface having a ridge shape on a surface of the combtooth portion or a surface of the portion of the second electrode positioned at the gap.03-22-2012
20090185125LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate, a second substrate which is disposed to be opposed to the first substrate, and a liquid crystal layer which is held between the first substrate and the second substrate. The first substrate includes a first electrode and a second electrode which is disposed to be opposed to the first electrode via an insulating layer. The first electrode includes pixel electrode portions and first slits which are provided between the pixel electrode portions and define the pixel electrode portions, and the second electrode includes counter-electrode portions which are disposed to be opposed to the first slits, and second slits which are provided to be opposed to the pixel electrode portions.07-23-2009
20090251655LCD device having counter voltage signal line between and parallel with pairs of gate signal lines formed over counter electrode with conductive layer formed of an extending portion thereof at boundary portion of adjacent pixels - The present invention provides a liquid crystal display device which can enhance a numerical aperture of pixels. A liquid crystal display device includes pixels which are arranged close to each other without having a signal line in a boundary on a substrate, and a counter electrode, an insulation layer and a pixel electrode which generates an electric field between the pixel electrode and the counter electrode which are sequentially stacked in each pixel. The pixel electrode is constituted of a plurality of electrodes which are arranged in parallel in a state that the electrodes are overlapped to the counter electrode and include portions which are arranged close to the pixel electrode of another neighboring pixel. A conductive layer is provided between a boundary portion of the pixels arranged close to each other and between a layer on which the pixel electrode is formed and the substrate. Further the conductive layer is electrically connected with the counter electrode and a height of a surface of the conductive layer from the substrate is set higher than a height of a surface of the counter electrode from the substrate.10-08-2009
20090251654LIQUID CRYSTAL DISPLAY DEVICE - An object of the present invention is to prevent the domain from being generated in the pixel end portions so that the transmittance can increase in an IPS type liquid crystal display device where the size of the pixels is extremely small. In the liquid crystal display device according to the present invention, the electrodes close to the liquid crystal layer have a comb-like structure having a linking portion only at one pixel end, the end portion of the comb-like structure has a structure for preventing the domain from growing, the width of the slits in the comb-like structure is greater than the width of the electrodes, and the alignment of the liquid crystal layer has such a pretilt angle that the liquid crystal rises from the end portion in the comb-like structure towards the root in the interface close to the electrode.10-08-2009
20110141423PIXEL STRUCTURE - A pixel structure including a substrate, a scan line, a first data line and a first pixel unit is provided. The scan line and the first data line are disposed on the substrate. The first pixel unit includes a first active device and a first pixel electrode. The first active device is electrically connected to the scan line and the first data line. The first pixel electrode electrically connected to the first active device has a first stripe pattern and a plurality of first branches. One side of the first stripe pattern is connected to the first branches extended toward the scan line, and the other side of the first stripe pattern is overlapped with the scan line. The overlapped width of the first stripe pattern with the scan line is substantially equal to 40% to 90% of the width of the first stripe pattern.06-16-2011
20090015774Liquid Crystal Display Device - In a liquid crystal display device having a first planar electrode and a second electrode formed on the first electrode with an insulating film in between, the response time of a liquid crystal is made shorter than that in a related art.01-15-2009
20090086145LIQUID CRYSTAL DISPLAY DEVICE, METHOD FOR PRODUCING SAME, AND ELECTRONIC APPARATUS - A liquid crystal display device includes a pair of substrates, a plurality of gate lines arranged in parallel, a plurality of common lines arranged in parallel, a plurality of source lines arranged in such a manner that the direction of the source lines intersects the direction of the gate lines and the common lines, thin-film transistors arranged in the vicinity of intersections of the gate lines and source lines, lower electrodes arranged in respective regions separated by the plurality of gate lines and the plurality of source lines, the lower electrodes being connected to the common lines and composed of a transparent conductive material, upper electrodes arranged on surfaces of the respective lower electrodes with an insulating film provided between the upper electrode and the lower electrode, each of the upper electrodes having a plurality of slits arranged in parallel with one another, the gate lines, the common lines, the source lines, the thin-film transistors, the lower electrodes, and upper electrodes being arranged on one of the pair of substrates, a liquid crystal layer arranged between the pair of substrates and driven by an electric field produced between the lower electrodes and the upper electrodes, and first conductive material layers arranged on surfaces of the common lines at intersections of the source lines and the common lines.04-02-2009
20090103035LATERAL ELECTRIC FIELD TYPE ACTIVE-MATRIX ADDRESSING LIQUID CRYSTAL DISPLAY DEVICE - A lateral electric field type active-matrix addressing liquid crystal display device suppresses the lateral cross talk induced by the coupling capacitances (i.e., the parasitic capacitances) between the drain bus lines and the common bus line corresponding thereto with a simple structure. In each of the pixel electrodes, at least one electrically isolated light-shielding electrode is formed to extend along the drain bus lines that define the pixel electrode near the same drain bus lines. The light-shielding electrode is overlapped with a part of a corresponding one of the pixel electrodes to the pixel region in such a way that an insulating film intervenes between the light-shielding electrode and the part, the part extending along these drain bus lines in the vicinities thereof. The light-shielding electrode may be electrically connected to the corresponding one of the pixel electrodes at a point in the pixel region.04-23-2009
20090086146LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - Provided is a liquid crystal display device including: a pair of substrates having a liquid crystal layer interposed therebetween; a pixels which is provided along a predetermined arrangement axis and constitutes a display area; sub pixels constituting the pixels; pixel electrodes which are disposed on one of the pair of substrates and are provided in correspondence with the sub pixels; and a common electrode which is provided on the pixel electrodes with an insulating film interposed therebetween, wherein the common electrodes includes first electrodes which extend in a direction obliquely intersecting the arrangement axis, a second electrode which has a portion obliquely intersecting the first electrodes and connects one ends of the first electrodes, and a third electrode which has a portion obliquely intersecting the first electrodes and connects the other ends of the first electrodes.04-02-2009
20090086144LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display (LCD) panel including a first substrate, a plurality of scan lines, a plurality of data lines, a plurality of pixel structures, a second substrate, and a liquid crystal layer is provided. The scan lines, data lines, and pixel structures are disposed on the first substrate. The pixel structures are electrically connected to the corresponding scan lines and data lines. The liquid crystal layer is disposed between the first and the second substrates. Each pixel structure includes a first active device, a first pixel electrode electrically connected to the first active device, and a second pixel electrode. A V-shaped main slit formed between the first and the second pixel electrodes has a tip and two branches connected thereto. The tip of the V-shaped main slit directs towards the second pixel electrode. The edges of the first and the second pixel electrodes adjoining each branch are substantially parallel.04-02-2009
20090109391LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS HAVING THE SAME - A liquid crystal device includes a first substrate;04-30-2009
20090244468LIQUID CRYSTAL DEVICE - A liquid crystal device includes a liquid crystal layer between a pair of substrates. One substrate includes pixel electrodes, an insulating layer and a common electrode having a plurality of slits. An electric field between the pixel and common electrodes turns liquid crystal molecules in a predetermined direction in regions corresponding to the slits. Each slit includes a first straight portion extending from a center of the pixel electrode toward both sides of the pixel electrode and second straight portions extending from the ends of the first straight portion to the outside of the pixel electrode. The first and second portions each form an acute angle with an initial orientation of the liquid crystal molecules in a direction opposite to the predetermined direction. The acute angle between the second portions and the initial orientation is larger than the acute angle between the first portion and the initial orientation.10-01-2009
20100177270DISPLAY DEVICE AND MANUFACTURING METHOD OF DISPLAY DEVICE - A display device 07-15-2010
20100157229LIQUID CRYSTAL PANEL AND ELECTRONIC APPARATUS - A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, wherein the extension direction of at least one of slits formed at both ends from among slits formed between the plurality of electrode branches crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.06-24-2010
20100157228LIQUID CRYSTAL PANEL AND ELECTRONIC APPARATUS - A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.06-24-2010
20100165280LIQUID CRYSTAL DISPLAY DEVICE - It is an object to provide a liquid crystal display device using a liquid crystal material exhibiting a blue phase which enables higher contrast. In the liquid crystal display device including a liquid crystal layer exhibiting a blue phase, the liquid crystal layer exhibiting a blue phase is interposed between a pixel electrode layer having an opening pattern and a common electrode layer having an opening pattern (a slit). An electric field is applied between the pixel electrode layer and the common electrode layer which have opening patterns and are provided so that a liquid crystal is interposed therebetween, whereby an oblique (oblique to a substrate) electric field is applied to the liquid crystal. Thus, liquid crystal molecules can be controlled by the electric field.07-01-2010
20100165281LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having a simplified manufacturing process is disclosed. The liquid crystal display device includes a gate line and a common line having a first conductive layer group having at least double conductive layers. A common electrode is formed by an extension of at least one transparent conductive layer of a common line. A portion of the common electrode is formed of one conductive layer of the first conductive layer group, while a remaining portion of the common electrode is formed of the first conductive layer group. The gate line, a source electrode and a drain electrode have a second conductive layer group having at least double conductive layers, and the pixel electrode is formed by an extension of at least one transparent conductive layer of the drain electrode.07-01-2010
20100259714ARRAY SUBSTRATE FOR FFS TYPE LCD PANEL AND METHOD FOR MANUFACTURING THE SAME - An array substrate for FFS type LCD panel includes a transparent substrate, gate lines, a gate insulating layer, data lines, pixel electrodes, a passivation layer and a common electrode. The gate lines are disposed on the transparent substrate. The gate insulating layer is disposed on the transparent substrate and covers the gate lines. The data lines are disposed on the gate insulating layer. The pixel electrodes are disposed on the gate insulating layer, wherein the pixel electrodes and the data lines are located on the same level. The passivation layer is disposed on the gate insulating layer and covers the pixel electrodes and the data lines. The common electrode is disposed on the passivation layer.10-14-2010
20100182557DISPLAY SUBSTRATE, DISPLAY DEVICE HAVING THE SAME AND METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE - A display substrate includes a base substrate and a unitary indivisible pixel electrode. The base substrate includes a gate line, a data line crossing the gate line and a thin-film transistor electrically connected to the gate line and the data line formed thereon. A pixel area is defined on the base substrate. The unitary indivisible pixel electrode includes a plurality of branch electrodes formed on the pixel area and a connection electrode connecting the branch electrodes to each other. Each of the branch electrodes includes a bent portion and the bent portions of adjacent branch electrodes are spaced apart from each other.07-22-2010
20130215371LIQUID CRYSTAL DISPLAY ELEMENT AND LIQUID CRYSTAL MODULE - A liquid crystal display element disclosed includes: a first substrate; a second substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate; a first transparent electrode provided at a display region of the first substrate; and a second transparent electrode provided at a display region of the second substrate, at least one of d1 and d2 being not larger than 60 nm, where d1 represents a thickness of the first transparent electrode and d2 represents a thickness of the second transparent electrode.08-22-2013
20100214517LIQUID CRYSTAL DISPLAY - A liquid crystal display according to an exemplary embodiment of the present invention includes a first insulation substrate; a pixel electrode disposed on the first insulation substrate and including a first cutout; a second insulation substrate facing the first insulation substrate; and a common electrode disposed on the second insulation substrate and a second cutout arranged alternately with the first cutout, wherein at least one of the first cutout and the second cutout includes a stem and a plurality of first slits and a plurality of second slits extended from the stem and obliquely inclined with respect to the length direction of the stem, and an inclined direction of the first slits is opposite to an inclined direction of the second slits.08-26-2010
20110109862LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - In one embodiment, a liquid crystal display device includes a plurality of pixel electrodes arranged in a matrix of rows and columns on a first substrate. A plurality of counter electrodes extend along the pixel electrodes in the row direction. Each of the counter electrodes includes a first counter electrode opposing to the plurality of pixel electrodes through a first insulating layer and a second counter electrode opposing to the first counter electrode through a second insulating layer. The first counter electrode is electrically connected with the second counter electrode through a contact hole formed in the second insulating layer. The wiring resistance of the second counter electrode is smaller than that of the first counter electrode.05-12-2011
20100157227LIQUID CRYSTAL DISPLAY PANEL - In a liquid crystal display panel, a pixel electrode includes at least a main electrode strip and a plurality of sub electrode branches. The sub electrode branches extend outwardly from two opposite edges of the main electrode strip. The main electrode strip includes at least a node-controlling portion, the controlling width of the node-controlling portion are different from a trunk width of the main electrode strip. Otherwise, a plurality of first sub electrode branches and a plurality of second sub electrode branches are extend outwardly from two opposite edges of the main electrode strip respectively. Relating to the position of the first sub electrode branches, the second sub electrode branches has a position-shift amount along the extending direction of the main electrode strip. The position-shift amount is smaller than the branch width of the first or second sub electrode branch.06-24-2010
20090323003IN-PLANE SWITCHING MODE ACTIVE MATRIX LIQUID CRYSTAL DISPLAY UNIT - In order to improve the light transmissivity above the transparent comb-teeth electrodes provided in an in-plane switching mode active matrix liquid crystal display unit, the liquid crystal gaps above the transparent comb-teeth electrodes are made larger than the liquid crystal gaps between the transparent comb-teeth electrodes.12-31-2009
20130128207LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display device which is resistant to physical impact and can retain high-quality display characteristics is provided. Further, a liquid crystal display device with high reliability and high performance is provided. In a liquid crystal display device in which a liquid crystal composition is interposed between a pair of substrates, a spacer for keeping a gap between the substrates is provided over a structure body provided under a pixel electrode layer or a common electrode layer. The structure body is provided to make the pixel electrode layer and the common electrode layer project into the liquid crystal composition, and the structure body is provided to extend to a region where the spacer is provided. Since the structure body is formed using one continuous film, regions of the surface thereof have substantially the same height and the spacer can be stably provided with good adhesion.05-23-2013
20110109861Fringe Field Switching Mode Liquid Crystal Display Device and Method of Fabricating the Same - Provided is a liquid crystal display including a transparent pixel electrode and a transparent common electrode in a pixel region to drive liquid crystals. The transparent common electrode includes a plurality of slits and is configured to open at least a portion of a switching device to connect unit pixels, the slits have an angle of 5 to 10° with respect to a gate line, and a rubbing direction of a liquid crystal layer is substantially parallel to a gate direction. Therefore, it is possible to provide the liquid crystal display capable of removing factors decreasing an aperture ratio, preventing light from leaking, and further improving internal reflection.05-12-2011
20110019143Liquid Crystal Display Devices - Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle θ from the horizontal direction, the second segment has an included angle φ from the horizontal direction, and the first segment has an included angle θ from the horizontal direction.01-27-2011
20110063557LIQUID CRYSTAL DISPLAY - The present invention relates to a liquid crystal display. A liquid crystal display according to exemplary embodiments of the present invention includes a substrate, and a pixel electrode formed on the substrate and including a plurality of minute branches. The pixel electrode includes a first region and a second region where a first distance and a second distance are provided according to an interval between the respective neighboring minute branches, wherein the second distance that is larger than the first distance, and a third region is provided between the first region and the second region, and the position of the third region having an interval between the neighboring minute branches is gradually changed.03-17-2011
20100066965TRANSFLECTIVE LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A liquid crystal display (LCD) device including a backlight module and an LCD panel is provided. The backlight module is used for providing light penetrating through the LCD panel disposed at one side of the backlight module. The LCD panel includes a substrate, a scan line, a first and a second data line, a first and a second switch element and a first and a second pixel electrode. The scan line and the two data lines, which are perpendicular to the scan line, are disposed on the substrate. The switch elements are respectively disposed at the intersection of the scan line and the first data line and the intersection of the scan line and the second data line. The pixel electrodes are respectively electrically connected to the switch elements. The area of the first pixel electrode is substantially less than that of the second one.03-18-2010
20110249229LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device using a liquid crystal material exhibiting a blue phase is provided to achieve higher contrast. Further, the power consumption of the liquid crystal display device using a liquid crystal exhibiting a blue phase is reduced. In a liquid crystal display device including: a first substrate provided with a pixel electrode layer (also referred to as a first electrode layer); and a second substrate provided with a common electrode layer (also referred to as a second electrode layer), between which a liquid crystal layer exhibiting a blue phase is interposed, the pixel electrode layer and the common electrode layer project into the liquid crystal layer and are arranged so that the adjacent pixel electrode layer and common electrode layer engage with each other at a distance with the liquid crystal layer interposed therebetween.10-13-2011
20080204649Substrate for liquid crystal display and liquid crystal display having the same - The invention relates to a substrate for a liquid crystal display used in a display section of an information apparatus and a liquid crystal display having the same and provides a substrate for a liquid crystal display and a liquid crystal display having the same that provide good display characteristics without any increase in manufacturing steps. A configuration is employed which includes a plurality of gate bus lines formed on a substrate substantially in parallel with each other, a plurality of drain bus lines formed on the substrate such that they intersect the gate bus lines with an insulation film interposed therebetween, pixel regions provided on the substrate in the form of a matrix, pixel electrodes having a plurality of electrode units formed in the pixel regions, slits formed between the electrode units, and connection electrodes for connecting the plurality of electrode units with each other and a thin film transistor formed at each pixel region.08-28-2008
20100315584ARRAY SUBSTRATE FOR IPS-MODE LCD DEVICE AND METHOD OF FABRICATING THE SAME - Provided is an array substrate for an IPS-mode LCD device and method of fabricating the same that prevents a problem referred to as wavy noise. The IPS-mode LCD device and method have a shorter processing time and low error rate without an increase in fabrication and production costs.12-16-2010
20110199568LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device which can suppress generation of an afterimage. The present invention is a liquid crystal display device, includes: 08-18-2011
20090174854LIQUID CRYSTAL DISPLAY DEVICE USING IN-PLANE SWITCHING MODE - An in-plane switching (IPS) mode liquid crystal display (LCD) device is described which does not contain a common electrode. In the IPS mode LCD device. In the IPS display device, a pixel is defined by gate lines and data lines that cross each other. One or more switching devices are formed at the pixel. First and second electrodes are disposed at the pixel. The first electrode is connected with one of the data lines through the switching device and the second electrode is connected with another of the data lines through another switching device. The other switching device is either formed at the pixel or formed at an adjacent pixel. The data lines, and thus the first and second electrodes, have different potentials applied thereto, thereby forming an electric field without using a common electrode.07-09-2009
20100020283IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE - In an in-plane switching mode liquid crystal display device, a liquid crystal layer is interposed between a first substrate and a second substrate. The first substrate is provided with a first electrode member having a comb-tooth-like portion and a second electrode member so as to generate an electric field between the first electrode member and the second electrode member. Further, a protruded electrode member is provided so as to be branched from at least one of a portion short of a tip end portion and a portion short of a base portion of the comb-tooth-like portion so as to form a branched shape of an L-shaped portion in an integrated planar shape with combination of the protruded electrode member and one of the tip end portion and the base portion.01-28-2010
20110149223PIXEL STRUCTURE AND DISPLAY PANEL - A pixel structure including a substrate, a scan line, a data line, an active device, a capacitor electrode line, an upper electrode pattern and a pixel electrode is described. The scan line and the data line are disposed on the substrate. The active device is electrically connected to the scan line and the data line. The capacitor electrode is disposed on the substrate. The upper electrode pattern is disposed above the capacitor electrode line, and the upper electrode pattern has a first opening therein to expose the capacitor electrode pattern. The pixel electrode is electrically connected with the active device and covers the capacitor electrode line and the upper electrode pattern, wherein the pixel electrode has a middle portion and a plurality of branches connecting to the middle portion, and the middle portion has a second opening therein to expose the first opening.06-23-2011
20110013130FFS TYPE TFT-LCD ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A manufacturing method for an FFS type TFT-LCD array substrate comprises: depositing a first metal film on a transparent substrate, and form a gate line, a gate electrode and a common electrode line by a first patterning process; depositing a gate insulating layer, an active layer film and a second metal film sequentially and patterning the second metal film and the active layer film by a second patterning process; Step 01-20-2011
20100296041LIQUID CRYSTAL DISPLAY DEVICE - It is an object of the present invention to apply a sufficient electrical field to a liquid crystal material in a horizontal electrical field liquid crystal display device typified by an FFS type. In a horizontal electrical field liquid crystal display, an electrical field is applied to a liquid crystal material right above a common electrode and a pixel electrode using plural pairs of electrodes rather than one pair of electrodes. One pair of electrodes includes a comb-shaped common electrode and a comb-shaped pixel electrode. Another pair of electrodes includes a common electrode provided in a pixel portion and the comb-shaped pixel electrode.11-25-2010
20100123866Common Bus Design for a TFT-LCD Display - Embodiments of the present invention provide for a FFS TFT LCD with a high refresh rate without limiting the aperture of individual pixels. More specifically, embodiments of the invention provide for the use of common bus lines to reduce the effective resistance of the common electrode and to therefore allow for higher refresh rates of the display. Furthermore, the common bus lines can be positioned in such a manner so that they do not further reduce the aperture of the display. More specifically, the common bus lines can be positioned above or below existing elements of the display that are already opaque. Thus, adding the common bus lines need not reduce the aperture. The above can be achieved by, for example, placing the common bus lines above or below existing non-transparent lines, such as gate lines or data lines.05-20-2010
20110063558LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device which is capable of achieving excellent wide-viewing-angle characteristics and rapid responsiveness, and is capable of displaying by a display mode which does not require operation for initial bend transition. The present invention relates to one embodiment of a liquid crystal display device including: two substrates at least one of which is transparent; and a p-type nematic liquid crystal disposed between the two substrates, the p-type nematic liquid crystal being aligned perpendicular to the surfaces of the two substrates when no voltage is applied, at least one of the two substrates having a comb-shaped electrode, and the comb-shaped electrode satisfying the relationship (S+1.7)/(S+L)≧0.7, wherein L represents an electrode width and S represents an electrode spacing. The present invention also relates to another embodiment of a liquid crystal display device wherein a pixel has a first region; and a second region which has a ratio S/L between the electrode width L and the electrode spacing S different from that of the first region. The present invention further relates to combination use of the aforementioned embodiments.03-17-2011
20110317118LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device which is capable of reducing occurrence of white-floating and/or color tone change. The present invention relates to a liquid crystal display device, comprising: a first substrate and a second substrate disposed opposite to each other; and a liquid crystal layer between the first substrate and the second substrate. The first substrate has a first comb-shaped electrode and a second comb-shaped electrode. The first electrode and the second electrode are planarly disposed opposite to each other in a pixel. The second substrate has a third electrode which is partially disposed in the pixel and is configured to be supplied with a predetermined electric potential. The liquid crystal layer includes a p-nematic liquid crystal which is configured to be aligned perpendicularly to substrate surfaces of the first substrate and the second substrate when no voltage is applied. In the plan view of the first substrate and the second substrate, the liquid crystal display device has a first gap and a second gap between the first electrode and the second electrode; further, the first gap is covered with the third electrode and the second gap is not covered with the third electrode.12-29-2011
20120044448LIQUID CRYSTAL DISPLAY - Exemplary embodiments of the present invention provide a liquid crystal display that includes a first substrate, a gate line positioned on the first substrate, a data line and a voltage line crossing the gate line, a first switching element connected to the gate line and the data line, a second switching element connected to the gate line and the voltage line, a first pixel electrode connected to the first switching element and including a plurality of branches inclined with respect to the gate line, and a second pixel electrode connected to the second switching element and including a plurality of branches parallel to the first branches, wherein the sum of the lengths of the first branches is 90% to 100% of the sum of the lengths of the second branches.02-23-2012
20120057118LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device in which transmittance can be enhanced. The present invention provides a liquid crystal display device provided with a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates. One of the substrates has a comb-shaped first electrode and a comb-shaped second electrode. The first electrode includes a first trunk portion and a first branch portion obliquely connected to the first trunk portion. The second electrode includes a second trunk portion and a second branch portion obliquely connected to the second trunk portion. The liquid crystal layer includes a p-type nematic liquid crystal that is vertically aligned with respect to the surfaces of the substrates when no voltage is applied. Each pixel has a blank portion of the second electrode having an acute angle-shaped blank portion and an obtuse angle-shaped blank portion that are mutually adjacent. The first branch portion has a specific branch portion disposed within the blank portion of the second electrode. The spacing between the specific branch portion and the second electrode at a portion that extends along the extension direction of the specific branch portion and that forms the acute angle-shaped blank portion is narrower, at least at the tip region of the specific branch portion, than the spacing between the specific branch portion and the second electrode at a portion that extends along the extension direction of the specific branch portion and that forms an obtuse angle-shaped blank portion.03-08-2012
20120002152Display Device - A display device includes a plurality of pixel regions each of which is surrounded by a pair of gate signal lines and a pair of the drain signal lines. Each of the pixel regions includes a first electrode and a second electrode formed on one substrate and each of the pixel regions is constituted of a first region and a second region which are arranged in a direction in which the pair of the drain signal lines extend. In the pixel region, the first electrode is formed in a planar shape and below an insulation film, and the second electrode has a plurality of linear parts which extend linearly and are arranged with respect to each other and is formed above the insulation film.01-05-2012
20110085121Fringe Field Switching Mode Liquid Crystal Display Device and Method of Fabricating the Same - Provided is a fringe field switching (FFS) mode liquid crystal display device (LCD) and a method of fabricating the same that are capable of effectively improving image quality by reducing loads of gate lines and data lines and increasing a conventional storage capacitance.04-14-2011
20120154731COMMON BUS DESIGN FOR A TFT-LCD DISPLAY - Embodiments of the present invention provide for a FFS TFT LCD with a high refresh rate without limiting the aperture of individual pixels. More specifically, embodiments of the invention provide for the use of common bus lines to reduce the effective resistance of the common electrode and to therefore allow for higher refresh rates of the display. Furthermore, the common bus lines can be positioned in such a manner so that they do not further reduce the aperture of the display. More specifically, the common bus lines can be positioned above or below existing elements of the display that are already opaque. Thus, adding the common bus lines need not reduce the aperture. The above can be achieved by, for example, placing the common bus lines above or below existing non-transparent lines, such as gate lines or data lines.06-21-2012
20120154730LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device having an improved aperture ratio. The liquid crystal display device of the present invention comprises: a pair of substrates positioned to face each other; and a liquid crystal layer interposed between the substrates, wherein the liquid crystal layer contains a liquid crystal molecule having positive dielectric anisotropy, the liquid crystal molecule is aligned in a direction vertical to surfaces of the substrates when no voltage is applied, one of the substrates comprises a first electrode and a second electrode, the electrodes respectively including comb-tooth portions that are alternately engaged at a certain interval, the first electrode comprises an extension in a layer separated by an insulating film from a layer in which an engagement between the comb-tooth portions of the first electrode and of the second electrode is formed, and the extension of the first electrode is positioned more distant from the liquid crystal layer than the comb-tooth portion of the second electrode is, and is positioned along the comb-tooth portion of the second electrode in an overlapping manner.06-21-2012
20110069270Liquid crystal display device - A liquid crystal display device that includes: a liquid crystal display panel configured by a pair of substrates sandwiching therebetween a liquid crystal material with a positive dielectric anisotropy; and a flat-shaped common electrode and a pixel electrode disposed on one of the pair of substrates with an overlay, via an insulator layer, between the common electrode and the pixel electrode when viewed from above. In the liquid crystal display device, the pixel electrode is extended in a first direction, and includes a plurality of comb-like electrode sections aligned in a second direction orthogonal to the first direction, and the comb-like electrode sections of the pixel electrode are varied in width in the second direction for a plurality of times at intervals shorter than a side extending in the first direction.03-24-2011
20110075085PIXEL UNIT OF FFS TYPE TFT-LCD ARRAY SUBSTRATE - A pixel unit of an FFS type TFT-LCD array substrate comprises a slit electrode. The slit electrode comprises at least one slit unit, a direction from one side of the slit unit to the opposite side of the slit unit is defined as a first direction, the slit unit comprises a plurality of slits, extending in a same direction and arranged along the first direction, and electrode parts between two adjacent slits. The sum of the width of each electrode part and the width of a slit adjacent to the electrode part at a side in the first direction increases gradually along the first direction.03-31-2011
20110102723LIQUID CRYSTAL DISPLAY - A liquid crystal display is furnished with: a liquid crystal display element having a pair of substrates, to which alignment members are provided to their respective opposing surfaces, and a liquid crystal layer sandwiched by the pair of substrates; an alignment mechanism for providing at least two different director configurations simultaneously on different arbitrary regions used for display in the liquid crystal layer; and a reflection film provided to at least one of the different arbitrary regions showing different director configurations; wherein the different arbitrary regions showing different director configurations are used for a reflection display section for showing reflection display and a transmission display section for showing transmission display, respectively. Examples of the alignment mechanism include an alignment film to which the alignment treatment is applied in different orientations in the reflection display section and transmission display section, respectively, an insulation film having different film thicknesses in the reflection display section and transmission display section, and so forth.05-05-2011
20120120363LIQUID CRYSTAL DISPLAY ELEMENT - The present invention provides a liquid crystal display element that can be driven at a low threshold voltage. A liquid crystal display element of the present invention includes: a pair of substrates; and a liquid crystal layer sealed between the pair of substrates, wherein the liquid crystal layer contains liquid crystal molecules that are aligned perpendicularly to at least one substrate face of the pair of substrates when a voltage is applied, the at least one of the pair of substrates comprises a pair of comb-shaped electrodes, the at least one of the pair of substrates comprises a polymer film on a face contacting the liquid crystal layer, and the polymer film is made of a polymer material having a CF05-17-2012
20120249943PIXEL ARRAY OF FRINGE FIELD SWITCHING LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHOD THEREOF - A pixel array of a fringe field switching (FFS) liquid crystal display panel includes a plurality of gate lines, a plurality of data line, a plurality of pixel electrodes, and a plurality of common lines. The gate lines are disposed parallel to each other along a first direction. The data lines are disposed parallel to each other along a second direction. A plurality of sub-pixel regions is defined by the gate lines and the data lines. The common lines are disposed along the first direction and electrically isolated from each other. Each of the common lines includes a plurality of common electrodes extending along the second direction. The two adjacent common electrodes of each common line are respectively disposed in the two adjacent sub-pixel regions which are located in different rows.10-04-2012
20100245747Array Substrate for Liquid Crystal Panel and Liquid Crystal Panel - An array substrate for a liquid crystal panel includes a plurality of pixel electrodes corresponding to a plurality of pixels, and a common electrode provided common to the plurality of pixel electrodes. An alignment of liquid crystal is controlled by each electric field between each of the plurality of the pixel electrodes and the common electrode. The array substrate further includes a pixel selecting circuit, a line group for pixel selecting circuit, a potential applying circuit, a line group for potential applying circuit, and a common electrode line. The pixel selecting circuit sequentially selects pixels among the plurality of pixels. The line group for pixel selecting circuit is connected to input terminals of the pixel selecting circuit. The potential applying circuit applies a potential to the pixel electrode of a selected pixel. The line group for potential applying circuit is connected to input terminals of the potential applying circuit. The common electrode line is connected to the common electrode. The common electrode line extends in a region between the pixel selecting circuit and the potential applying circuit and in a region between the line group for pixel selecting circuit and the line group for potential applying circuit.09-30-2010
20120127416LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device having improved transmittance. The liquid crystal display device according to the present invention has a first substrate and a second substrate disposed to face each other, and a liquid crystal layer interposed between the first substrate and the second substrate. The first substrate includes a pixel electrode to which a signal voltage is supplied and a common electrode to which a common voltage is supplied. The pixel electrode and the common electrode both comprise comb teeth. The comb teeth of the pixel electrode and the comb teeth of the common electrode are disposed with each other alternately via an interval. The liquid crystal layer contains liquid crystal molecules having positive dielectric anisotropy. The liquid crystal molecules are aligned in a direction orthogonal to a surface of the first substrate in a voltage non-application condition. The first substrate includes an extension wiring provided in a position overlapping at least one comb tooth of the comb teeth of the pixel electrode and the common electrode so as to extend along the at least one comb tooth via an insulating film, and the extension wiring serves as a wiring to which the signal voltage is supplied.05-24-2012
20120127417LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device providing uniform display without lowering the transmissivity.05-24-2012
20120133878LIQUID CRYSTAL DISPLAY DEVICE - The intensity of the lateral electric field is enhanced and a reduction of the contrast ratio is suppressed. A liquid crystal display device is provided in which a first substrate and a second substrate with a liquid crystal layer exhibiting a blue phase provided therebetween; a transistor, a first pixel electrode, and a first common electrode which are provided over the first substrate; and a second pixel electrode and a second common electrode which are provided on the second substrate are provided. The first pixel electrode is electrically connected to the transistor and the second pixel electrode.05-31-2012
20090021683Liquid crystal display device of in-plane switching mode and method for manufacturing the same - A liquid crystal display device of an in-plane switching mode and a method for manufacturing the same are disclosed. The liquid crystal display device of an in-plane switching mode includes gate lines and data lines which cross each other on a substrate to define pixel regions, thin film transistors which are formed at crossing portions of the gate lines and the data lines, first common lines formed on the same layer as the gate lines, first electrode fingers which have a plurality of diverged first fingers and include L-shaped protruded patterns at one ends of the first fingers in the pixel regions, and second electrode fingers which have second fingers formed alternately with the first fingers and include |-shaped patterns at one ends of the second fingers in the pixel regions, wherein the L-shaped protruded patterns and the |-shaped patterns overlap partly with the first common lines.01-22-2009
20090115951FFS Mode LCD and Method of Manufacturing the Same - Provided are a fringe field switching (FFS) mode liquid crystal display (LCD) and a method of manufacturing the same. The FFS mode LCD includes a second transparent electrode having a plurality of slits and bars, disposed apart from a first transparent electrode with an insulating layer interposed between the first and second transparent electrodes, in a pixel region to apply a voltage level to a liquid crystal layer and control an amount of transmitted light. From a plan view, bar-shaped patterns having a specific width in a direction substantially parallel to a length direction of the slits are formed in the middles of the respective slits or in the middles of bars.05-07-2009
20110037934LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING AND REPAIRING METHODS THEREOF - An LCD device is disclosed. The LCD device includes: a gate line and a gate electrode formed on a substrate; a common line formed in the same layer as the gate line; a gate insulation film entirely formed on the substrate with the gate line; a data line formed on the gate insulation film opposite to the common line and configured to cross with the gate line and to define a pixel region; a source electrode formed to protrude from the data line; a drain electrode separated by a first distance from the source electrode; a passivation film entirely formed on the substrate with the data line; and a pixel electrode formed on the passivation film and connected to the drain electrode. The common line includes first and second common lines separated by a second distance from each other, and a third common line formed within the second distance between the first and second common lines and used as a repair pattern during a repairing process.02-17-2011
20120327352LIQUID CRYSTAL DISPLAY APPARATUS - According to one embodiment, a liquid crystal display apparatus includes a first substrate including a pixel electrode including comb-like projections extending in a first direction and arranged in a second direction substantially perpendicular to the first direction, a common electrode including comb-like projections extending in the first direction between the comb-like projections of the pixel electrode and arranged with a predetermined spacing from the comb-like projections of the pixel electrode, a second substrate arranged opposite to the first substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate. A space width between the comb-like projection of the pixel electrode and the comb-like projection of the common electrode of end portion in the second direction is greater than a space width between the comb-like projection of the pixel electrode and the comb-like projection of the common electrode in a center portion.12-27-2012
20120092606ARRAY SUBSTRATE OF FRINGE FIELD SWITCHING MODE LIQUID CRYSTAL DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - An array substrate of a fringe field switching (FFS) mode liquid crystal display (LCD) panel and manufacturing method thereof are provided. The gate electrodes and the common electrode of the FFS mode LCD panel are formed on the array substrate by the same photolithographic process, and the common electrode, the gate lines and the gate electrodes are disposed on the same layer.04-19-2012
20100182558LIQUID CRYSTAL DISPLAY PANEL - According to the present invention, an LCD panel includes a first substrate, a second substrate placed opposite to the first substrate, and a liquid crystal layer placed between the first substrate and the second substrate. The first substrate includes a pixel electrode and a first common electrode. The pixel electrode includes a plurality of first protruding nodes, and the first common electrode includes a plurality of second protruding nodes interleaved with the plurality of first protruding nodes. The second substrate includes a second common electrode corresponding to the first common electrode. The second common electrode includes a plurality of third protruding nodes corresponding to the second protruding nodes.07-22-2010
20110157534IN PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATION METHOD THEREOF - An IPS mode LCD includes first and second substrates. A thin film transistor and a color filter layer are formed on the first substrate. A common electrode and a pixel electrode are arranged in a zigzag configuration on the first substrate. A liquid crystal layer is disposed between the first and second substrates.06-30-2011
20120242942Fringe field switching mode liquid crystal display apparatus and method of manufacturing the same - Embodiments may include a fringe field switching mode liquid crystal display (LCD) apparatus. The fringe field switching mode LCD apparatus includes a first substrate on which a first electrode and a second electrode are installed, the second electrode facing the first electrode and having a plurality of slits therein; a second substrate, which faces the first substrate; and a liquid crystal layer interposed between the first substrate and the second substrate, the first electrode having a protrusion at a slit end portion of the slits, the protrusion protruding toward the second electrode.09-27-2012
20100085525THIN FILM TRANSISTOR SUBSTRATE, LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A thin film transistor (TFT) substrate including a base, a plurality of scan lines and data lines and a pixel unit is provided. The scan lines are disposed on the base. The data lines are disposed above the scan lines and are perpendicular to the scan lines to define a plurality of pixel areas. The pixel unit is disposed on the base and inside one of the pixel areas. The pixel unit comprises a TFT and a pixel electrode. The TFT comprises a source and a drain. The pixel electrode is electrically connected to the drain. The pixel electrode comprises a first main electrode, a second main electrode and a plurality of branch electrodes. The first main electrode is perpendicular to the second main electrode. The branch electrodes are connected to the first main electrode and/or the second main electrode. The first main electrode substantially divides the pixel area evenly.04-08-2010
20130093988LATERAL ELECTRIC FIELD TYPE ACTIVE-MATRIX ADDRESSING LIQUID CRYSTAL DISPLAY DEVICE - A lateral electric field type active-matrix addressing liquid crystal display device suppresses the lateral cross talk induced by the coupling capacitances (i.e., the parasitic capacitances) between the drain bus lines and the common bus line corresponding thereto with a simple structure. In each of the pixel electrodes, at least one electrically isolated light-shielding electrode is formed to extend along the drain bus lines that define the pixel electrode near the same drain bus lines. The light-shielding electrode is overlapped with a part of a corresponding one of the pixel electrodes to the pixel region in such a way that an insulating film intervenes between the light-shielding electrode and the part, the part extending along these drain bus lines in the vicinities thereof. The light-shielding electrode may be electrically connected to the corresponding one of the pixel electrodes at a point in the pixel region.04-18-2013
20130093987LIQUID CRYSTAL DISPLAY PANEL AND PIXEL ELECTRODE THEREOF - A liquid crystal display (LCD) panel comprises scan lines, data lines and a plurality of switch units, and a pixel electrode disposed in a pixel region formed by the scan lines intersecting with the data lines. The pixel electrode comprises a peripheral portion, branch portions and an opening portion located inside the peripheral portion. The branch portions include a first branch portion having plurality of first branches parallel with each other and a second branch portion having a plurality of second branches parallel with each other. The opening portion comprises a first opening and a second opening perpendicularly connected with the first and second branches respectively. The first and second openings are located on midperpendiculars of the first branches and the second branches respectively. Extension lines of the first and second openings intersect with one scan lines and one data lines to form a right triangle respectively.04-18-2013
20130114032ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY FOR THE SAME AND MANUFACTURING METHOD THEREOF - An array substrate, liquid crystal display for the same and manufacturing method thereof are described. The array substrate includes a substrate, a plurality of scan lines, a plurality of data lines, a plurality of contact pads, a passivation layer and transparent conducting layer. The substrate has a first display region, a second display region and a first non-display region. The contact pads are disposed in the first non-display region. The transparent conducting layer disposed in the passivation layer includes a first pixel electrode, a second pixel electrode and a plurality of comb electrode. The first pixel electrode and second pixel electrode are disposed in the first display region and the second display region wherein the widths of the first pixel electrodes either are equal to or approximate the widths of the second pixel electrodes. The comb electrodes are disposed in the first non-display region and connected to the contact pads.05-09-2013
20080198318Liquid crystal display device and method of fabricating the same - A liquid crystal display device includes a gate line and a data line crossing each other to define a pixel region on a substrate; a thin film transistor connected to the gate and data lines; a pixel electrode in the pixel region and including a first pixel portion which has a plurality of bent portions and first and second pixel protrusion portions protruding from the bent portions alternately in an opposing direction; and a common electrode in the pixel region and including first and second common portions between which the first pixel portion is located, and first and second common protrusion portions protruding from the first and second common portions, respectively, alternately in a direction toward the bent portions.08-21-2008
20100309419LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a first substrate; a second substrate; a liquid crystal layer sandwiched between the first and the second substrates; a first polarization plate placed on a side of the first substrate; a second polarization plate placed on a side of the second substrate; and a pixel electrode and a common electrode which are provided on the side of the second substrate on which the liquid crystal layer is placed, in which: at least one of the pixel electrode and the common electrode is interdigital; and the liquid crystal layer has flexoelectric coefficients e12-09-2010
20130182210LIQUID CRYSTAL DISPLAY AND FABRICATING METHOD THEREOF - A liquid crystal display (LCD) includes: a gate line formed as a first conductive pattern; a common line formed as the first conductive pattern; a data line insulatedly crossing the gate line and the common line, and formed as a second conductive pattern; a thin film transistor (TFT) formed at a crossing of the gate line and the data line; a common electrode formed as a third conductive pattern, and connected with the common line; and a pixel electrode connected with the TFT and formed as the third conductive pattern to form a horizontal field together with the common electrode, wherein the third conductive pattern is formed as a dual-layer comprising a metal film and a low reflection film formed on the metal film.07-18-2013
20130201434LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device capable of preventing occurrence of flickers. The liquid crystal display device including a first substrate and a second substrate disposed to face each other, and a liquid crystal layer sandwiched between the first substrate and the second substrate, wherein the liquid crystal layer includes a liquid crystal molecule having positive dielectric anisotropy; the liquid crystal molecule is perpendicularly aligned relative to a surface of the first substrate when no voltage is applied; the first substrate includes a pixel electrode to which an image signal is supplied, a common electrode to which a common signal is supplied, an insulating film, and a lower layer wiring connected to the pixel electrode; the lower layer wiring, the insulating film, and the common electrode are stacked in the stated order towards the liquid crystal layer side; the image signal is supplied to the pixel electrode through the lower wiring; the pixel electrode has a pixel comb-tooth portion; the common electrode has a common comb-tooth portion; the pixel comb-tooth portion and the common comb-tooth portion are planarly disposed to face each other in a pixel; the liquid crystal device has at least two regions having spacings of different lengths between the pixel electrode and the common electrode from each other in the pixel; the lower layer wiring overlaps the common comb-tooth portion and extends along the common comb-tooth portion; and a width of a part of the lower layer wiring which is overlapped with the common comb-tooth portion is substantially the same as or smaller than a width of a part of the common comb-tooth portion which is overlapped with the lower layer wiring.08-08-2013

Patent applications in class Interdigited (comb-shaped) electrodes