Abstract: A liquid crystal display which may suppress image quality deterioration and enhance image contrast is provided. The liquid crystal display includes: a light source unit including a light source having divided lighting sections and a light source control section; a liquid crystal display panel including pixels and modulating light from the light source; and a display driving section performing a polarity inversion driving based on the inputted video signal. The display driving section corrects the inputted video signal, for each of divided display regions in the liquid crystal display panel corresponding to ON-state divided lighting sections, based on a light control signal from the light source control section, so that a amplitude center potential of the driving voltage with a waveform of alternately-inverting polarity substantially agrees with the common potential. The driving voltage based on a corrected video signal is then applied to the liquid crystal element.

Abstract: A liquid crystal display device including a pair of substrates sandwiching liquid crystal molecules, a plurality of gate bus lines, and a plurality of data bus lines, with each of the data bus lines extending to intersect the gate bus lines and bending in a zigzag manner. A plurality of pixels are formed in areas enclosed by the data and gate bus lines, with a plurality of pixel electrodes, each covering a substantial area of one of the pixels. A plurality of domain regulating structures for regulating orientation directions of the liquid crystal molecules and for forming multiple domains are formed in each of the pixels. At least one of the domain regulating structures bends along a first side edge of the pixel electrode and domains are divided in accordance with the bending of the domain regulating structure.

Abstract: The invention relates to a liquid crystal display device including a first transistor, a plurality of sub-picture element electrodes formed in a picture element region, a control electrode formed in capacitance coupling with at least one of the plural sub-picture element electrodes, the control electrode being applied with a display voltage from the first transistor, and an auxiliary capacitance bus line held at a predetermined voltage level and constituting an auxiliary capacitance between the auxiliary capacitance bus line and the control electrode. A second transistor is provided between the sub-picture element electrode coupled with the control electrode by the capacitance coupling and the auxiliary capacitance bus line or between the sub-picture element electrode coupled with the control electrode by the capacitance coupling and the sub-picture element electrode connected to the first transistor.

Abstract: This invention relates to an image processing method for improving the quality of an image to be displayed on a display device and to a liquid-crystal display device using the same, and aims at providing an image processing method for providing wide viewing angle and excellent tonal-intensity viewing angle characteristic and a liquid-crystal display device using the same. Combined together are a higher-luminance pixel to be driven higher in luminance than the luminance data of an image to be displayed and a lower-luminance pixel to be driven lower in luminance than the luminance data, to determine a luminance on the higher-luminance pixel and luminance on the lower-luminance pixel as well as an area ratio of the higher-luminance and lower-luminance pixels in a manner obtaining a luminance nearly equal to a desired luminance based on the luminance data.

Abstract: The present invention provides a liquid crystal display device used as a display part of an electronic apparatus which exhibits high brightness and favorable display quality. The liquid crystal display device includes a pair of substrates which are arranged to face each other in an opposed manner; vertical-alignment type liquid crystal which is sealed between the pair of substrates; a plurality of pixel regions, each pixel region including a sub pixel having a pixel electrode on one substrate and a sub pixel having a pixel electrode on one substrate, a slit formed between the pixel electrodes; and a singular point control part which includes projecting portions which are formed on end portions of the pixel electrodes on the slit-side and controls singular points of the liquid crystal.

Abstract: A method of manufacturing a liquid crystal display element capable of easily improving response characteristics without using a large apparatus is provided. After alignment films 22 and 32 made of a polymer compound including a crosslinkable functional group as a side chain and a bulky skeleton such as an adamantane skeleton are formed in a TFT substrate 20 and a CF substrate 30, the alignment films 22 and 32 are arranged to face each other, and a liquid crystal layer 40 including liquid crystal molecules 41 is sealed between the alignment films 22 and 32, and then, in a state where the liquid crystal molecules 41 are aligned to allow long-axis directions thereof to be oblique with respect to a substrate surface, the polymer compound in the alignment films 22 and 32 is reacted to form a polymer compound including a cross-linked structure, and predetermined pretilts are provided to liquid crystal molecules 41A and 41B placed in proximity to the alignment films 22 and 32, respectively.

Abstract: A liquid crystal display including two substrates, gate bus lines, liquid crystal molecules, and a polymer that determines directions in which the liquid crystal molecules tilt. A plurality of divisional areas are arranged on one of the substrates. The pixels are aligned in a column between drain bus lines. A pixel electrode is formed at each of the divisional areas. A first thin film transistor drives a first divisional area, and a second thin film transistor drives a second divisional area of the same column. The first and second thin film transistors are electrically connected to the same gate bus line. Either the pixel electrodes formed at each of the divisional areas are electrically insulated from each other, or they are connected to each other through a high resistance. A first threshold voltage within the first divisional area is different from a second threshold voltage of the second divisional area.

Abstract: The invention relates to a liquid crystal display used as a display section of an electronic apparatus and provides a liquid crystal display having high chromaticity characteristics and viewing angle characteristics. A configuration is employed which includes substrates having electrodes on respective surfaces thereof opposite to each other, a liquid crystal sealed between the substrates, and a pixel region including a low effective voltage area in which an effective voltage applied to the liquid crystal is lower than a voltage applied between the electrodes, the low effective voltage area occupying part of the region in a predetermined area ratio, the pixel region having a threshold voltage that varies between the low effective voltage area and another area.

Abstract: The present invention provides a liquid crystal display device used as a display part of an electronic apparatus which exhibits high brightness and favorable display quality. The liquid crystal display device includes a pair of substrates which are arranged to face each other in an opposed manner; vertical-alignment type liquid crystal which is sealed between the pair of substrates; a plurality of pixel regions, each pixel region including a sub pixel having a pixel electrode on one substrate and a sub pixel having a pixel electrode on one substrate, a slit formed between the pixel electrodes; and a singular point control part which includes projecting portions which are formed on end portions of the pixel electrodes on the slit-side and controls singular points of the liquid crystal.

Abstract: A liquid crystal display device includes a pair of substrates; a liquid crystal sealed between the substrates; plural pixel regions each having a first pixel electrode formed on one of the pair of substrates and a second pixel electrode separated from the first pixel electrode; a TFT having a source electrode which is electrically connected to the first pixel electrode; a control capacitance portion which has a control capacitance electrode electrically connected to the source electrode and opposed to at least part of the second pixel electrode via an insulating film, and which thereby establishes capacitive coupling between the source electrode and the second pixel electrode; linear projections formed on the other substrate; and apertures formed in the first and second pixel electrodes so as to occupy parts of overlap regions of the linear projections and the first and second pixel electrodes as viewed perpendicularly to the substrate surfaces, for controlling the positions of singular points of alignment ve

Abstract: A vertically alignment mode liquid crystal display device having an improved viewing angle characteristic is disclosed. The disclosed liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltage being applied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of the substrates includes a structure as domain regulating means, and inclined surfaces of the structure operate as a trigger to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied.

Abstract: A liquid crystal display device, in which the liquid crystal molecules are aligned vertically when no voltage is applied, includes pixels each having plural sub-pixel electrodes, a data bus drive circuit for applying drive signals to the sub-pixel electrodes via a data bus line and a switching element, and alignment regulation structure for regulating the direction of alignment of liquid crystal molecules. The first and second sub-pixel electrodes have different areas. The data bus drive circuit applies a first drive signal, which causes luminance to change from minimum to maximum for an increase of input grayscale of image signal, to the first sub-pixel electrode, and a second drive signal, which causes the luminance to be lower than the first drive signal, to the second sub-pixel electrode.

Abstract: An image display device includes: a display panel including gate lines extending in a horizontal direction, source lines extending in a vertical direction to intersect gate lines, and sub-pixel electrodes arranged in intersections of the gate lines and the source lines; and a drive control section performing a drive control of the display panel using first or second drive mode. In the first drive mode, the drive control section performs display drive such that two sub-pixel electrodes are driven based on different gray scale values and that a combination of adjacent two sub-pixel electrodes is treated as a single pixel, the sub-pixel electrodes being arranged along a gate line and arranged on two respective source lines. In the second drive mode, the drive control section performs display drive such that N sub-pixel electrodes consecutively arranged along a source line are treated as a unit pixel to be driven.

Abstract: A method for repairing a liquid crystal display device comprises: a plurality of pixels arranged in a matrix, adjacent to each other row-wise and column-wise; a plurality of first bus lines extended row-wise and connected to the pixels arranged row-wise; a plurality of second bus lines extended column-wise and connected to the pixels arranged column-wise; and a plurality of third bus lines extended row-wise, connected to the pixels arranged row-wise. The plurality of the pixels each includes: a pixel electrode; a first switching element connected to the pixel electrode and the second bus line, for controlling the connection between the pixel electrode and the second bus line by the first bus line; and a second switching element having one electrode connected to the second bus line and the other electrode arranged, overlapping the pixel electrode with an insulating film formed there between, for controlling the connection between said one electrode and said the other electrode by the third bus line.

Abstract: A transmissive liquid crystal display including a pair of substrates, a common electrode on one of the substrates, a pixel electrode on the other substrate, a liquid crystal sealed between the substrates, a polymer obtained by polymerizing a polymeric component mixed in the liquid crystal, and a pixel region having areas whose electro-optical characteristics are different from each other because of a difference between cell thicknesses. A distance between the pixel electrode and the common electrode, with respect to a direction of the cell thickness, is different in the areas of different cell thicknesses. Also, a liquid crystal display including a pair of substrates provided opposite to each other; a liquid crystal sealed between the pair of substrates; and an alignment film including a polymeric component and a polymerization initiator in a density that varies in each of a plurality of areas in the pixel region.

Abstract: A method of manufacturing a liquid crystal display device with which response characteristics are able to be easily improved without using major equipment is provided. The method of manufacturing a liquid crystal display device includes steps of forming a first alignment film 22 including a polymer compound having a crosslinkable functional group as a side chain on one substrate of a pair of substrates 20 and 30; forming a second alignment film 32 on the other substrate of the pair of substrates 20 and 30; arranging the pair of substrates 20 and 30 so that the first alignment film 22 and the second alignment film 32 are opposed to each other, and sealing a liquid crystal layer 40 containing a liquid crystal molecule 41 having negative dielectric constant anisotropy between the first alignment film 22 and the second alignment film 32; and bridging the polymer compound to give pretilt to the liquid crystal molecule 41 after sealing the liquid crystal layer 40.

Abstract: A liquid crystal display device including a common electrode on a first substrate, a pixel electrode on a second substrate, and a liquid crystal layer between the first and second substrates. The device also include first and second alignment control structures formed, respectively, on the first and second substrates, for regulating azimuths of orientations of the liquid crystal when a voltage is applied thereto. The first and second alignment control structures each include a first line portion (extending in a first direction) and a second line portion (extending in a second direction, which is different from the first direction). The pixel electrode includes an edge extending in a direction different from both the first and second directions.

Abstract: There is provided a display device including an array substrate including pixels arranged in a matrix manner and gate control circuits that scan gate lines of the pixels and that are provided on the array substrate such that the gate control circuits correspond to the respective gate lines of the pixels. Each of the gate control circuits includes a first output terminal that outputs a signal to each of the gate lines, and a second output terminal that outputs a signal that is supplied to a gate control circuit in a subsequent stage. When adjacent two of the gate lines are scanned simultaneously from an upper part of a screen by the signal output from the first output terminal of each of the gate control circuits, a gate on period is provided during which outputs from the first output terminals of adjacent two of the gate control circuits are the same.

Abstract: The present invention provides a liquid crystal display device used as a display part of an electronic apparatus which exhibits high brightness and favorable display quality. The liquid crystal display device includes a pair of substrates which are arranged to face each other in an opposed manner; vertical-alignment type liquid crystal which is sealed between the pair of substrates; a plurality of pixel regions, each pixel region including a sub pixel having a pixel electrode on one substrate and a sub pixel having a pixel electrode on one substrate, a slit formed between the pixel electrodes; and a singular point control part which includes projecting portions which are formed on end portions of the pixel electrodes on the slit-side and controls singular points of the liquid crystal.

Abstract: A vertical alignment mode liquid crystal display device having an improved viewing angle characteristic is disclosed. The liquid crystal display device uses a liquid crystal having a negative anisotropic dielectric constant, and orientations of the liquid crystal are vertical to substrates when no voltage is applied, almost horizontal when a predetermined voltage is applied, and oblique when an intermediate voltage is applied. At least one of the substrates includes a structure as domain regulating means, and inclined surfaces of the structure operate to regulate azimuths of the oblique orientations of the liquid crystal when the intermediate voltage is applied.