38results about How to "High display quality" patented technology

A display device includes a display panel having a self-luminous display element on a substrate and having one major surface as a display surface, a driving circuit board that is connected to the display panel via a flexible board, is disposed on a non-display-surface-side of the display panel, and supplies a driving signal to the display panel, and a heat resistance layer that is disposed between the display panel and the driving circuit board.

The present invention provides a liquid crystal display apparatus of a lateral direction electric field drive type comprising an array substrate including a plurality of TFTs each having a gate electrode, a gate insulation film, a semiconductor layer, and a source electrode / drain electrode formed on a transparent substrate and an opposing substrate arrange so as to oppose to the array substrate, wherein the semiconductor layer has a width in the gate length direction identical to the gate length.

A TFT array substrate of a display device according to an embodiment of the present invention includes: a plurality of scanning signal lines formed in a display region; a plurality of display signal lines formed in the display region; a plurality of TFTs arraigned in matrix in the display region; a plurality of scanning lead-out lines arranged in a frame region formed outside the display region in accordance with the scanning signal lines; a gate insulating film formed on the plurality of scanning lead-out lines; and a first conductive layer formed on the gate insulating film and applied with a predetermined potential, the first conductive layer being formed to cover the plurality of scanning lead-out lines outside the sealing material.

A reflective electrode, a transparent electrode, a TFT connected to the reflective electrode and a TFT connected to the transparent electrode are formed in each picture element. A first data signal is written into the reflective electrode via the TFT, a second data signal is written into the transparent electrode via the TFT. In this way, the individual data signals are respectively written into the reflective electrode and the transparent electrode, and thereby excellent display quality can be obtained either when used as a transmissive liquid crystal display device or when used as a reflective liquid crystal display device.

The liquid crystal display device of the present invention includes picture element regions each include a transparent region for providing a transmission mode display and a reflection region for providing a reflection mode display. In each of the picture element regions, the first electrode includes a solid area formed of a conductive film and a non-solid area with no conductive film provided, the liquid crystal layer, in the presence of an applied voltage, forms liquid crystal domains each in a radially-inclined orientation by an inclined electric field generated in the vicinity of the solid area. The second substrate includes a stepped portion having an upper tier located in the reflection region, a lower tier located in the transmission region and a side surface connecting the upper tier and the lower tier to each other, and the side surface of the stepped portion is located in the reflection region and is covered with the second electrode.

A function layer ink used for forming a function layer by a liquid coating process contains a function layer material containing a macromolecular material or a low-molecular-weight material, and a mixed solvent containing solvent A and solvent B. Solvent A has a viscosity in the range of 0.01 to 0.05 Pa·s, and solvent B has a viscosity of less than 0.01 Pa·s and a lower boiling point than solvent A. The mixed solvent has a viscosity of less than 0.02 Pa·s and a boiling point in the range of 200 to 350° C., and contains 0.1% to 10% by weight of solvent A.

A light source includes a rod-shaped optical waveguide body provided along a light-incident surface of the optical waveguide and light-emitting elements provided at least one end of the rod-shaped optical waveguide body in a width direction. A side surface of the rod-shaped optical waveguide body facing the light-incident surface of the optical waveguide serves as a light emission surface through which the light from the light-emitting elements is emitted to the optical waveguide, and another side surface thereof opposite to the light emission surface serves as a reflective surface for reflecting the light traveling within the rod-shaped optical waveguide body. In addition, a prism surface having a plurality of projections extending in the width direction of the rod-shaped optical waveguide body is formed on the light emission surface. A liquid crystal display device includes the surface emitting device.

A display device includes a display panel having a curved side or a polygonal side, the display panel including a plurality of pixels in a display region, a gate driver including a plurality of normal stages connected to each other for outputting gate signals to the pixels via a plurality of gate lines, and a plurality of dummy stages between some of the normal stages, and a data driver providing data signals to the pixels via a plurality of data lines.

The present invention has an object to provide an active matrix substrate, a liquid crystal display panel, a liquid crystal display element, a liquid crystal display device, and a substrate for liquid crystal display panel, each capable of suppressing generation of uneven cell gap without increase in a parasitic capacitance of a wiring. The active matrix substrate of the present invention is an active matrix substrate including a spacer on a substrate, wherein the spacer includes a base layer and a covering layer, the base layer being buried in the covering layer.

In an organic EL display device (100), an insulating layer (113) includes a first insulating film (113a) and a second insulating film (113b) provided thereabove, a plurality of upper electrodes (115c) are each provided to cover a corresponding one of a plurality of organic EL layers (115b), and a reflection film (114) is provided between the first insulating film (113a) and the second insulating film (113b), corresponding to a region N other than the a light emission region. The reflection film (114) reflects toward a sealing substrate (120) a portion of light generated in each organic EL layer (115b) which is diffused into the region N other than the light emission region so that the portion of the light is transmitted through a separation wall portion (116) and the sealing substrate (120) to be viewed as an image on the sealing substrate.

A liquid crystal display device includes a pair of opposing substrates; a liquid crystal layer disposed between the pair of substrates, the liquid crystal layer being formed of liquid crystal which has a negative dielectric anisotropy and which is vertically aligned in an initial alignment state; pixels disposed in a matrix within an area of one of the pair of substrates, each pixel including a pixel electrode, a gap between the pixel electrode of the pixel and the pixel electrode of an adjacent pixel, a switching element connected to the pixel electrode, and a metal line connected to the switching element, the pixels including a first pixel and a second; a columnar spacer that separates the opposing substrates, the spacer being disposed at a position of the first pixel that corresponds to the gap of the first pixel or in overlap with the switching element of the first pixel; and a first protrusion having a height that is less than the height of the spacer and that is disposed at a position of the second pixel that corresponds to the position of the first pixel where the spacer is disposed.

A liquid crystal device according to an embodiment of the present invention includes: a first substrate including a slit electrode that has slit-like apertures to form line-like patterns substantially in a same direction as either source wires or gate wires; a second substrate including a light shielding film that extends in a same direction as the line-like patterns of the slit electrode, and that has an overlap area with either the source wires or the gate wires, and that is arranged that color filter films are partitioned to prevent color mixture when displayed in a single color. A non-opposed area to the light shielding film is formed at an end of the slit electrode in a width direction that a transmittance may not be reduced due to the light shielding film in the areas where the light shielding film and the slit electrode are arranged in an overlapped manner.

A hybrid color liquid crystal display device includes a liquid crystal layer in which liquid crystal molecules are aligned homeotropically with respect to a pair of substrates under no voltage application and includes a phase plate having an optical axis in a direction perpendicular to a substrate surface. The phase plate has a refractive index which is larger in an in-plane direction of substrate than in a direction normal to the substrate surface, and has a retardation smaller than a retardation of the liquid crystal layer in terms of an absolute value, thereby to suppress a change in color depending on a viewing angle.

The present invention aims to provide a PDP apparatus, where a sustain data pulse is applied to data electrodes during a sustain period, having high display quality,and capable of displaying a dark screen image vividly with high contrast without using an error diffusion method, as well as to provide a method of driving the PDP apparatus. In order to achieve the above object, the method of driving the PDP apparatus according to the present invention, during the sustain period, detects an average luminance of a screen image to be displayed, and sets a voltage waveform of a sustain data pulse to be applied to the data electrodes according to the detected average luminance, thereby modulating a luminance of the screen image.

A liquid crystal panel or the present invention comprising a liquid crystal cell, a first polarizer and a second polarizer provided on both sides of the liquid crystal cell, a first optical compensation layer provided between the liquid crystal cell and the first polarizer, and a second optical compensation layer provided between the liquid crystal cell and the second polarizer, wherein a wavelength dispersion of the liquid crystal cell satisfies Re40(450)>Re40(550)>Re40(650), an index ellipsoid of the first optical compensation layer satisfies a relationship of nx>nz>ny, and a wavelength dispersion of the second optical compensation layer satisfies Re40(450)≧Re40(550)≧Re40(650).

A reflective liquid crystal display device includes a first substrate including a display region and a first non-display region, the first non-display region being disposed at a boundary of the display region. A second substrate faces and is spaced apart from the first substrate, the second substrate including a second non-display region corresponding to a portion larger than the first substrate. A light absorption layer is on an inner surface of the first substrate. A cholesteric liquid crystal color filter (CCF) layer is at the display region and the first non-display region is on the light absorption layer. A common electrode is on the CCF layer. An array element is on an inner surface of the second substrate. A light shielding pattern is on the array element, the light shielding pattern corresponding to the CCF layer at the first non-display region. A retardation plate and a polarizing plate are sequentially formed on the outer surface of the second substrate. A liquid crystal layer is interposed between the common electrode and the array element.

Provided is a display device with high display quality. The display device includes a transistor over a substrate, an inorganic insulating film over the transistor, an organic insulating film over the inorganic insulating film, a capacitor electrically connected to the transistor, and a pixel electrode over the organic insulating film. The transistor includes a gate electrode over the substrate, an oxide semiconductor film overlapping with the gate electrode, a gate insulating film in contact with one surface of the oxide semiconductor film, and a pair of conductive films in contact with the oxide semiconductor film. The capacitor includes a metal oxide film over the gate insulating film, the inorganic insulating film, and a first light-transmitting conductive film over the inorganic insulating film. The pixel electrode is formed of a second light-transmitting conductive film and in contact with one of the pair of conductive films and the first light-transmitting conductive film.

The invention relates to a liquid crystal display used in a display section of an electronic apparatus and a liquid crystal display substrate used for the same and provides a liquid crystal display that can be manufactured through simplified manufacturing processes and that can provide high display quality and a liquid crystal display substrate used for the same. A configuration is employed which includes gate bus lines and drain bus lines formed on a substrate such that they intersect each other with an insulation film interposed therebetween and pixel electrodes provided so as to cover at least one of the gate bus lines and the drain bus lines with a dielectric layer interposed therebetween and forming parasitic capacities between the gate bus lines or drain bus lines and themselves.

Disclosed is a polarizing plate comprising a protective film and a liquid crystal display device that utilizes the polarizing plate, wherein the protective film has a moisture permeability of 1 g / m2 / 24 h to 100 g / m2 / 24 h.

A pixel structure disposed on a substrate and electrically connected to two scan lines and a data line is provided. The pixel structure includes a reflective electrode, a first transparent electrode, a second transparent electrode and a semiconductor layer. The first transparent electrode is electrically connected to the reflective electrode and is insulated from the second transparent electrode. The semiconductor layer has two first conductive regions, a second conductive region and two first channel regions, wherein the first conductive regions are respectively electrically connected to the reflective electrode and the second transparent electrode, the second conductive region is located between the first conductive regions and electrically connected to the data line, a part of the semiconductor layer overlapped with the scan lines is defined as first channel regions and each of the first channel regions is respectively electrically connected between the second conductive region and each first conductive region.

A scanning-type image display device includes: a light source section; a horizontal scanner, a vertical scanner; and a vertical scanner control section that controls the vertical scanner in such a manner that, when a second video signal is input, the vertical scanner control section controls the vertical scanner so as to perform vertical scanning with a scanning speed of vertical scanning which is higher than that of vertical scanning in the case of a first video signal being input, and after temporarily retuning a drawing position to an initial position within a time range from a point of time at which horizontal scanning of a current frame is completed to a start time of a next frame, the vertical scanner control section restarts the vertical scanning from the initial position in synchronization with a start timing of the next frame.

The present invention is directed to provide a driving circuit and driving method for a LCD having high performance of moving image displaying within few amount of memory and downscaled circuit. In the present invention, a voltage applied to a pixel to drive liquid crystal material in the pixel is determined as a voltage with which the transparency of the pixel at the end of the current field becomes the designated transparency. To determine the voltage, a data table for quick response in which output data is stored in correspondence with some of the possible value of a preceding field image data and some of the possible value of the current field image data is employed, and the output data corresponding to the preceding field image data and the current field image data is determined by the data table through linear interpolation. The voltage corresponding to the output data is applied to the pixel.

A processing method of a flat panel display apparatus in which a cathode panel having electron emitting regions and an anode panel having phosphor regions and an anode electrode are joined is provided. A predetermined voltage is applied to each electron emitting region, thereby allowing electrons to be emitted therefrom. In a predetermined row, initial electron emitting states in the electron emitting regions are measured. After that, a voltage higher than that of the electron emitting region in a row showing the low initial electron emitting state is applied to the electron emitting region in the row showing the high initial electron emitting state for a predetermined time, thereby performing aging.

In a gradation display reference voltage generating circuit, first reference voltages (VH0 to VH63) produced by resistors for positive polarity (RH0 to RH64) of a first ladder circuit in a first reference voltage producing section (LDH) are output from reference voltage output terminals (T0 to T63), respectively, at the positive polarity drive, while second reference voltages (VL0 to VL63) produced by resistors for negative polarity (RL0 to RL64) of a second ladder circuit in a second reference voltage producing section (LDL) are output from the reference voltage outputs (T0 to T63), respectively, at the negative polarity drive. A resistance ratio of the resistors for positive polarity (RH0 to RH64) is different from a resistance ratio of the resistors for negative polarity (RL0 to RL64).

A display device 10 of the present invention includes a plurality of gate signal lines 45, a plurality of data signal lines 43, pixel electrodes 41, hold capacitor lines 46 and a common electrode 36. The data signal lines 43 extend in a direction that crosses the gate signal lines 45. Each pixel electrode 41 is surrounded by the gate signal lines 45 and the gate signal lines 43. The hold capacitor lines 46 are configured such that hold capacitances appear between the pixel electrodes 41 and the hold capacitor lines 46. The common electrode 36 is arranged so as to face the pixel electrodes 41. Conductive parts 48 are provided on the gate signal lines 45 or the hold capacitor lines 46 between the adjacent pixel electrodes 41, 41. The conductive parts 48 are electrically isolated from the pixel electrodes 41 and electrically connected to at least one of the gate lines 45, the hold capacitor lines 46 and the common electrode 36.

The present invention is a substrate for a display device comprising an active matrix substrate and an opposed substrate which are opposed to each other with a display medium layer interposed therebetween, said active matrix substrate including a pixel electrode arranged in a matrix shape on the side of the display medium layer and said opposed substrate including a common electrode opposing to the pixel electrode on the side of the display medium layer, wherein said substrate for a display device includes an electrode slit formed in one of the pixel electrode and the common electrode; and at least one of the electrical connecting portions of said electrode slit is provided outside of a light-blocking region.

Provided is a thin film transistor having a semiconductor film disposed in a plurality of portions on a substrate, a source electrode and a drain electrode which are disposed, on a semiconductor film, in contact with the semiconductor film while being spaced from each other, and a gate electrode which is disposed across the source electrode and the drain electrode via a gate insulating film; an auxiliary capacitance electrode which is disposed on the semiconductor film while in contact with the semiconductor film; a source line which has the semiconductor film in a lower layer, extends from the source electrode; a gate line which extends from the gate electrode; a pixel electrode which is electrically connected to the drain electrode; and an auxiliary capacitance electrode connecting line which electrically connects the auxiliary capacitance electrodes to each other in the adjacent pixels.

A liquid crystal module includes a planar light source device and a liquid crystal panel which are combined together by use of a double-sided adhesive tape (not illustrated). The double-sided adhesive tape is provided on a part of a resin frame, which part is on a light-exit-plane side. A part of the resin frame, which part is not provided with the double-sided adhesive tape, has an uneven surface or has a slit on a surface thereof. In other words, a part of the resin frame, which part corresponds to sections where the planar light source device and the liquid crystal panel are not combined together, has an uneven surface or has a slit on a surface thereof.

A liquid crystal display device, which is configured to have a liquid crystal layer held between a pair of substrates, includes a display area including a red color pixel, a green color pixel and a blue color pixel, a pixel electrode which is disposed in each of the color pixels, a counter-electrode which is opposed to the pixel electrode via an interlayer insulation film, and an alignment film which is disposed in contact with the liquid crystal layer and is subjected to such rubbing treatment as to restrict alignment of liquid crystal molecules included in the liquid crystal layer. The pixel electrode has a slit which is formed to be inclined with respect to a direction of rubbing of the alignment film, and the slit of the red pixel and the slit of the blue pixel are formed to be inclined in different directions.

A pixel array and a display panel are provided. The pixel array includes a plurality of pixel units. Each of the pixel units includes a first scan line, a second scan line, a data line, a first thin-film transistor, a second thin-film transistor, a first pixel electrode and a second pixel electrode. The first thin-film transistor is electrically connected to the first scan line and the data line. The first pixel electrode is electrically connected to the first thin-film transistor. The second thin-film transistor is electrically connected to the second scan line and the data line. The second pixel electrode is electrically connected to the second thin-film transistor. The orthogonal projection pattern of the first thin-film transistor on XY plane and the orthogonal projection pattern of the second thin-film transistor on XY plane are substantially the same.