Patent application number | Description | Published |
20110316843 | LIQUID CRYSTAL ELEMENT, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD FOR DISPLAYING WITH LIQUID CRYSTAL DISPLAY ELEMENT - A liquid crystal display element, a liquid crystal display device, and a method for displaying with a liquid crystal display element, wherein picture element electrodes ( | 12-29-2011 |
20120008074 | LIQUID CRYSTAL PANEL, METHOD FOR MANUFACTURING SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal panel ( | 01-12-2012 |
20120127417 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device providing uniform display without lowering the transmissivity. | 05-24-2012 |
20120154368 | LIQUID CRYSTAL DISPLAY ELEMENT, LIQUID CRYSTAL DISPLAY DEVICE, AND DISPLAY METHOD EMPLOYED IN LIQUID CRYSTAL DISPLAY ELEMENT - Picture element electrodes ( | 06-21-2012 |
20120154730 | LIQUID 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 |
20120169981 | LIQUID-CRYSTAL PANEL AND LIQUID-CRYSTAL DISPLAY DEVICE - A vertical alignment liquid crystal panel based on a transverse electric field drive system is provided which shows few changes in color when looked squarely at. A liquid crystal panel ( | 07-05-2012 |
20120176575 | LIQUID CRYSTAL DISPLAY ELEMENT - The present invention provides a liquid crystal display element that sufficiently improves the reliability and the optical characteristics, and can be driven by a low voltage. The liquid crystal display element of the present invention includes a pair of substrates; and a liquid crystal layer sealed between the substrates. The liquid crystal layer includes liquid crystal molecules having positive dielectric constant anisotropy, at least one of the substrates includes a pair of comb-shaped electrodes, at least one of the substrates includes a vertical alignment film in a display region on a face in contact with the liquid crystal layer, and the vertical alignment film is an inorganic alignment film made of an inorganic material. | 07-12-2012 |
20120182503 | LIQUID CRYSTAL DISPLAY ELEMENT AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display element of the present invention is a vertical alignment type liquid crystal display element ( | 07-19-2012 |
20120182511 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device that adopts a TBA mode that can suppress the occurrence of unevenness of luminance. The liquid crystal display device includes a pair of substrates disposed facing each other, and a liquid crystal layer sandwiched between the pair of substrates. One of the pair of substrates has a pair of comb-tooth-shaped electrodes. The pair of electrodes are disposed to planarly face each other in a pixel, and are formed by patterning the same layer. The liquid crystal layer includes p-type nematic liquid crystal, and is driven by an electric field generated between the pair of electrodes. The p-type nematic liquid crystal is vertically aligned with respect to the surfaces of the pair of substrates when no voltage is applied. A spacing between the pair of electrodes varies in a longitudinal direction of the pair of electrodes. | 07-19-2012 |
20120182512 | LIQUID 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 |
20120293756 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device capable of enhancing the transmittance and the display quality. The liquid crystal display device includes 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 signal line, a scanning line, an insulating film, 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 and a trunk portion connected to the second comb-tooth portion; the first comb-tooth portion and the second comb-tooth portion are planarly disposed to face each other in a pixel; the second substrate has a third electrode covering at least a display region; and the trunk portion is disposed in a manner overlapping the signal line and the scanning line at a position closer to the liquid crystal layer than the signal line and the scanning line with the insulating film sandwiched between the trunk portion and each of the lines. | 11-22-2012 |
20130088680 | LIQUID 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 |
20130148066 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal panel ( | 06-13-2013 |
20130201434 | LIQUID 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 |
20130271680 | LIQUID CRYSTAL PANEL, AND LIQUID CRYSTAL DISPLAY - The present invention provides a liquid crystal panel and a liquid crystal display that give a wide viewing angle. The present invention includes a first substrate, a second electrode opposed to the first substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. The first substrate includes a first electrode and a second electrode. The second substrate includes a third electrode. The liquid crystal layer is driven by an electric field generated at least by the first electrode, the second electrode, and the third electrode. The liquid crystal panel includes within a pixel a plurality of regions that are supplied with different voltages to drive the liquid crystal layer. | 10-17-2013 |
20130293817 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device ( | 11-07-2013 |
20130293818 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal panel ( | 11-07-2013 |
20130329147 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY - The present invention provides a liquid crystal panel that can improve viewing angle characteristics and a liquid crystal display. The present invention is a liquid crystal panel of a vertical alignment type and includes a first substrate, a second substrate facing the first substrate, and a liquid crystal layer that is sandwiched between the first substrate and the second substrate and that includes liquid crystal molecules. The first substrate includes a first electrode including a plurality of first line-shaped portions arranged side by side with a gap. The first substrate or the second substrate includes a second electrode. The liquid crystal layer is driven by an electric field generated by at least the first electrode and the second electrode. D/d<3 is satisfied where D is the distance between center lines of the plurality of first line-shaped portions and d is the cell thickness of the liquid crystal panel. | 12-12-2013 |
20140002762 | LIQUID CRYSTAL DRIVE METHOD AND LIQUID CRYSTAL DISPLAY DEVICE | 01-02-2014 |
20140016075 | LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS - The present invention provides a liquid crystal display panel and a liquid crystal display apparatus that features sufficiently fast response and are excellent in transmittance performance. The liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate. Each of the first substrate and the second substrate includes electrodes. The electrodes of the second substrate include a pair of comb substrates and a planar electrode. The liquid crystal display panel is configured to align liquid crystal molecules in the liquid crystal layer in a direction horizontal to a substrate main surface in response to an electric field generated between the pair of comb electrodes or an electric field generated between the first substrate and the second substrate. | 01-16-2014 |
20140253853 | LIQUID CRYSTAL DISPLAY - This liquid crystal display device ( | 09-11-2014 |
20150049128 | LIQUID CRYSTAL DRIVE METHOD AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a method for driving a liquid crystal and a liquid crystal display device, wherein a high contrast ratio is achieved even at oblique viewing angles while achieving sufficiently high transmittance during white display. The present invention relates to a method for driving a liquid crystal by generating a potential difference between at least two electrode pairs arranged on upper and lower substrates, the liquid crystal being interposed between the upper and lower substrates and having negative anisotropy of dielectric constant, and the method for driving a liquid crystal including, in the stated order, executing a first driving operation to generate a potential difference between electrodes of a first electrode pair, and executing a second driving operation to generate a potential difference between electrodes of a second electrode pair, the first electrode pair being a pair of electrodes consisting of a first electrode and a second electrode arranged separately on the upper and lower substrates, and the second electrode pair being a pair of electrodes consisting of the second electrode and a third electrode arranged on one of the upper and lower substrates. | 02-19-2015 |
20150049290 | LIQUID-CRYSTAL DISPLAY APPARATUS - The TFT substrate ( | 02-19-2015 |