Patent application number | Description | Published |
20080211984 | Liquid crystal display device and plasma display device - An image display device designed to improve shock resistance and to eliminate external image reflection and blurring. In an liquid crystal display device are disposed a backlight, a polarizing plate on the backlight side and a liquid crystal panel held by two glass substrates and having electrodes, a liquid crystal layer, an alignment layer and a color filter therein. The image display device has a transparent front plate provided on the liquid crystal panel opposite from the backlight, a transparent organic medium layer provided between the front plate and the liquid crystal panel, and an antiglare layer provided on the front plate opposite from the transparent organic medium layer. | 09-04-2008 |
20080252841 | LIQUID CRYSTAL DISPLAY - A spacer includes a spacer seat formed on an array substrate and a spacer member formed on the spacer seat. A front end of the spacer member is a curved surface. The spacer seat is formed during a process for producing the array substrate. The spacer member is formed by a reverse printing or inkjet process. | 10-16-2008 |
20080265760 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - It is an object of the present invention to provide an organic light-emitting display device which can be simply produced by a wet process, and exhibit a high efficiency and long serviceability. The present invention provides an organic light-emitting display device having an organic light-emitting layer | 10-30-2008 |
20080284949 | POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - An object of the present invention is to provide a liquid crystal display device having a wide view angle, reduced power consumption and high quality with an absorption axis of a polarizing plate and an optical axis of a retardation plate made to coincide with high accuracy without using expensive equipment and complicated steps. On a transparent substrate | 11-20-2008 |
20080297685 | Image display device - An object of the present invention is to provide an image display device having a configuration that allows the device to be manufactured in such a way as to prevent unwanted spread and penetration of the polymeric precursor of the elastomer in its liquid display panel and thereby prevent the expansion and degradation of the members adjacent to the panel, which leads to an improvement in the performance of the image display device. | 12-04-2008 |
20090053430 | Liquid Crystal Display Device and Manufacturing Method Thereof - Disclosed herein is an IPS type liquid crystal display device superior in mass productivity and improved in image quality with a higher contrast ratio by decreasing the occurrence of defective display due to the disorder of the initial liquid crystal alignment by the liquid orientation control film and realizing stable alignment of liquid crystals. A liquid crystal display device comprises: a pair of substrates | 02-26-2009 |
20090086120 | Liquid Crystal Display Device - An object of the present invention is to propose the structure and constitution of a liquid crystal display device having a protection plate, which prevents exfoliation of black painting at ends of the protection plate when dust on the protection plate of the liquid crystal display device is wiped off, thus preventing degradation of design features. | 04-02-2009 |
20090103018 | Liquid Crystal Display Device - A glass substrate ( | 04-23-2009 |
20100060836 | LIQUID CRYSTAL DISPLAY DEVICE - An image retention phenomenon and black unevenness generated after long-time operation in the liquid crystal device are prevented. By using a material having a polyamide acid ester as a precursor less likely to adsorb impurities on a boundary for an alignment film and a material having a dielectric constant anisotropy Δε of 5 or less for liquid crystals, adsorption of an antioxidant dispersed in the liquid crystals is suppressed to prevent oxidation of the liquid crystals. The extent that impurities are intruded into the liquid crystals is reduced by restricting the dielectric constant anisotropy Δε of the liquid crystals to 5 or less, thereby capable of preventing the image retention phenomenon and the black unevenness. | 03-11-2010 |
20100073609 | POLARIZER AND LIQUID CRYSTAL DISPLAY - Provided are a polarizer having high in-plane uniformity and high heat resistance, and a liquid crystal display (LCD) using the polarizer and having the following characteristics: the LCD is excellent in mass productivity, has the contrast ratio being improved, and has high image quality. The LCD includes: a pair of substrates at least one of which is transparent; a liquid crystal layer placed between the pair of substrates; an electrode group for applying an electric field to the liquid crystal layer, the electrode group being formed on at least one substrate of the pair of substrates; multiple active elements connected to the electrode group; and an alignment control film placed on at least one substrate of the pair of substrates, in which the molecules of a dichroism pigment aligned on at least one surface of the alignment control film and the dichroism pigment are cross-linked with a crosslinkable monomer. | 03-25-2010 |
20100165278 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a plurality of column spacers and a first alignment film which are formed above the first substrate; an insulating layer which is formed on the second substrate and a second alignment film which is formed on the insulating layer; and column spacer receiving members which are provided between the insulating layer and the second alignment film in places opposed to the plurality of column spacers, the column spacer receiving members each being made of a material different from both of a material of the insulating layer and a material of the second alignment film, in which a thickness of the second alignment film in places above the column spacer receiving members is ⅓ or less of a thickness of the second alignment film in places in which the second alignment film is formed directly on the insulating layer. | 07-01-2010 |
20100225865 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING SAME - A liquid crystal display is provided which is capable of reducing the occurrence of defective display due to variations in the initial alignment direction of a liquid crystal alignment control film in a liquid crystal display of an IPS scheme, realizing the stable liquid crystal alignment, providing excellent mass productivity, and having high image quality with a higher contrast ratio. | 09-09-2010 |
20100238377 | LIQUID CRYSTAL DISPLAY - Manufacture of a liquid crystal display is disclosed. The liquid crystal display includes a backlight unit, a backlight unit-side polarizing plate, and a liquid crystal cell held by two glass plates, the liquid crystal cell having an electrode, a liquid crystal layer, an alignment layer, and a color filter arranged between the glass plates. The liquid crystal display also includes a transparent front plate arranged at a side of the liquid crystal cell opposite to the backlight unit, a polarizing plate attached to the liquid crystal cell, and a transparent organic medium layer arranged between the front plate and the liquid crystal cell. Since the front plate is provided at the outermost surface of an image display portion, and the transparent organic medium is filled between the front plate and the liquid crystal module, it is possible to achieve an improvement in wear resistance and a reduction in reflectance. | 09-23-2010 |
20100271575 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a substrate ( | 10-28-2010 |
20100321607 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a liquid crystal layer which contains a liquid crystal composition; a pair of substrates opposed to each other across the liquid crystal layer; alignment layers placed on liquid crystal layer sides of the pair of substrates, respectively; and polarization plates placed on opposite sides from the liquid crystal layer sides, respectively. The pair of substrates includes a thin-film transistor substrate including a thin-film transistor for controlling molecule alignment of the liquid crystal composition, and a color filter substrate including a color layer containing pixels of different colors. A blue pixel, which is one of the pixels of different colors, is larger in area than any of the pixels of other colors. A loss of light in a short-wavelength range is thus reduced. | 12-23-2010 |
20110001917 | LIQUID CRYSTAL DEVICES - There is provided a liquid crystal device that exhibits excellent response properties over a wide temperature range even when the weight percentage of the polymerizable monomer used for generating polymers is decreased. The liquid crystal device according to the present invention is a liquid crystal device which includes a first substrate and a second substrate, at least one of which has an electrode group formed thereon for driving liquid crystals; and a liquid crystal layer sandwiched between the first substrate and the second substrate, in which the liquid crystal layer contains a polymer which is eccentrically distributed on at least one substrate side among the first substrate and the second substrate. | 01-06-2011 |
20110051064 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device includes: a first substrate ( | 03-03-2011 |
20110075073 | Liquid crystal display - A liquid crystal display includes: a pair of substrates including at least one transparent substrate; a liquid crystal layer disposed between the pair of substrates; and an electrode group formed on at least one of the pair of substrates so as to apply an electric field to the liquid crystal layer. The liquid crystal layer contains at least one kind of liquid crystalline compound and at least one kind of chiral dopant. The concentration c of the chiral dopant is lower than a saturation solubility s thereof. The concentration c of the chiral dopant and a helical twisting power [HTP] of the chiral dopant satisfy a relation of [HTP]·c≧5.5 (μm | 03-31-2011 |
20110080547 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a pair of substrates, at least one of which is transparent; a liquid crystal layer arranged between the pair of substrates; an electrode group formed on at least one of the pair of substrates, for applying an electric field to the liquid crystal layer; and an alignment control film arranged on at least one of the pair of substrates, in which the alignment control film is made of a polyimide and a polyimide precursor, and the polyimide and the polyimide precursor have an aromatic ring and a cross-linking moiety in the main chain in chemical structure, are free from a side chain component having 2 or more carbon atoms in the aromatic ring, contain a cyclobutanetetracarboxylic dianhydride as a raw material, and are irradiated with light that has been substantially linearly polarized to provide an alignment regulating force. | 04-07-2011 |
20110096277 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a pair of substrates at least one of which is transparent; a liquid crystal layer disposed between the pair of substrates; an electrode group formed on at least one substrate of the pair of substrates, for applying an electric field to the liquid crystal layer; a plurality of active elements connected to the electrode group; and a liquid crystal alignment film disposed on at least one substrate of the pair of substrates, in which the liquid crystal alignment film, which is formed by a photo-alignment process, contains polyimide formed using tetracarboxylic acid dianhydride and/or diamine each having a specific chemical structure. | 04-28-2011 |
20110109857 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device, comprising: a pair of substrates at least one of which is transparent; a liquid crystal layer arranged between the pair of substrates; a group of electrodes for applying an electric field to the liquid crystal layer, as formed on at least one substrate of the pair of substrates; a plurality of active elements connected to the group of electrodes; and an orientation film arranged on the pair of substrates, wherein at least one orientation film contains a polyimide having a specific chemical structure of any of an anionic organic acid except organic acids in the narrow sense, or an acid ester group of an anionic organic acid except organic acids in the narrow sense. | 05-12-2011 |
20110128306 | Liquid Crystal Display Apparatus Capable of Maintaining High Color Purity - A liquid crystal display apparatus includes a white color light source and a coloring light source, a detection circuit which detects a brightness of an input image signal, an image quality processing calculation circuit, a light source control circuit, and an image control circuit. The coloring light source includes a blue light source. The image quality processing calculation circuit outputs to the light source control circuit a light source control signal for (1) increasing a light intensity of the coloring light source when an average luminance of the input image signal is detected to be higher than a predetermined luminance based on a detection result of the detection circuit, and for (2) turning-on only the white color light source without turning-on the coloring light source when the average luminance of the input image signal is detected to be lower than the predetermined luminance. | 06-02-2011 |
20110221984 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a pair of substrates, at least one of which is transparent; a liquid crystal layer placed between the pair of substrates; an electrode group, formed on at least one of the pair of substrates, for applying an electric field to the liquid crystal layer; and an alignment control film placed on at least one of the pair of substrates, in which the alignment control film is formed of polyimide and a precursor of the polyimide, each of the polyimide and the precursor of the polyimide contains, as a material, a specific cyclobutanetetracarboxylic acid dianhydride derivative and aromatic diamine, and the alignment control film is provided with alignment capability by photo-alignment treatment. | 09-15-2011 |
20110222006 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device having a structure in which one surface of the alignment film contacts a liquid crystal layer, the other surface of the alignment film contacts an underlying layer, the refractive index of the alignment film monotonically increases in a film thickness direction of the alignment film from a boundary surface between the liquid crystal layer and the alignment film to a boundary surface between the underlying layer and the alignment film, and the minimum refractive index n | 09-15-2011 |
20110301324 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING SAME - A liquid crystal display is provided which is capable of reducing the occurrence of defective display due to variations in the initial alignment direction of a liquid crystal alignment control film in a liquid crystal display of an IPS scheme, realizing the stable liquid crystal alignment, providing excellent mass productivity, and having high image quality with a higher contrast ratio. The liquid crystal display has a liquid crystal layer disposed between a pair of substrates, at least one of the substrates being transparent, and an alignment control film formed between the liquid crystal layer and the substrate. At least one of the alignment control films | 12-08-2011 |
20120075563 | LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR - Provided is a liquid crystal display device, including: a liquid crystal layer filled between a first and a second substrate; two polymer structures; and a plurality of pixels each including a first and a second electrode, one of the first and the second electrode being a pixel electrode, in which: each of the plurality of pixels is provided within a region surrounded by a signal line, a part of the signal line being formed between adjacent two of the plurality of pixels; each of the two polymer structures, which extends along the part of the signal line so as to sandwich the part of the signal line in plan view and is formed from one of the first and the second substrate toward another thereof, is formed so as to overlap with any of the region; and the two adjacent polymer structures has the liquid crystal layer provided therebetween. | 03-29-2012 |
20120088040 | ALIGNMENT FILM, COMPOSITION FOR FORMING ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display device including: a first substrate and a second substrate, one of which is transparent; a liquid crystal layer disposed between the first substrate and the second substrate; a group of electrodes for applying an electric field to the liquid crystal layer, which is formed on one of the first substrate and the second substrate; a plurality of active elements connected to the group of electrodes; and an alignment film disposed on one of the first substrate and the second substrate, wherein the alignment film contains a polyimide and a precursor of the polyimide, each of which is formed from a diamine and an acid anhydride, and the diamine contains a first diamine having an acidic group and a second diamine having a nitrogen atom-containing functional group other than two amino groups. | 04-12-2012 |
20120268678 | LIQUID CRYSTAL DISPLAY DEVICE - An object of the present invention is to enhance transmissivity and the luminance of a screen in an IPS liquid crystal display device. To achieve the object, in the IPS liquid crystal display device according to the present invention, a counter electrode is formed flatly and solidly on an organic passivation film, a pixel electrode having a slit is formed on the counter electrode via an interlayer insulation film, and an alignment film the orientation of which is controlled by optical orientation is formed on the pixel electrode. The transmissivity is enhanced by also making the inside of the contact hole function as a transmissible area for image formation by applying optical orientation to the alignment film in the contact hole to result in enhancement of the luminance of the screen. | 10-25-2012 |
20120268702 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a high quality liquid crystal display device adapted to suppress scraping of alignment film and prevent micro light spot fault. The liquid crystal display device comprises: a plurality of columnar spacers and a first alignment film disposed over a first substrate; an insulation film disposed over a second substrate; and a second alignment film disposed over the insulation layer; receiving pedestals for the columnar spacers, wherein: the second alignment film is not formed over the central portion of each of the receiving pedestals; and around the outer peripheral portion of each receiving pedestal, the second alignment film has an inclined thickness distribution which is such that the thickness thereof increases gradually from the central portion to the outside position of the receiving pedestal. | 10-25-2012 |
20130021552 | LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display device, a TFT substrate retains a contact hole that is formed in a passivation film, and is for connecting the TFT and the pixel electrode. And an opposite substrate retains a columnar spacer for ensuring a cell gap, and a columnar projection for misalignment prevention formed at a position corresponding to a position of the contact hole. Accordingly, misalignment between the TFT substrate and the opposite substrate is suppressed, occurrence of uneven brightness due to misalignment between pixel regions and a bright spot caused by shaving of an orientation film is prevented, and a favorable image is obtained. | 01-24-2013 |
20130039030 | LIGHT IRRADIATION APPARATUS - By narrowing the length of an irradiation area, a scan distance is shortened and a process time of a light irradiation process is shortened. A light irradiation apparatus irradiating light to a substrate by using a long arc lamp includes: a reflection mirror having a cross-sectional shape which is an oval or parabolic shape and having a shape as if light irradiated is condensed on the surface of the substrate; and a slit limiting an irradiation area of the irradiated light, wherein on a section perpendicular to a long axis of the long arc lamp, a main irradiation area length X and a gap H between the long arc lamp and the substrate satisfy a relationship of X<0.087H. | 02-14-2013 |
20130057820 | LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display device using a cylindrical spacer to define the gap between a TFT substrate and a counter substrate, the TFT substrate does not include an organic passivation film, in which the cylindrical spacer is formed on an inorganic passivation film. An overcoat film is formed to cover a black matrix and color filters in the counter substrate. A concavo-convex mount is formed in the overcoat film. The top of the cylindrical spacer is brought into contact with the concavo-convex mount. The oriented film is not attached to the top of the cylindrical spacer and the convex portion of the concavo-convex mount. Thus, even if horizontal displacement occurs in the TFT substrate or the counter substrate, it is possible to prevent the occurrence of bright spots due to the scraping of the oriented film caused by the friction between the TFT substrate and the counter substrate. | 03-07-2013 |
20130293814 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a pair of substrates, at least one of which is transparent; a liquid crystal layer placed between the pair of substrates; an electrode group, formed on at least one of the pair of substrates, for applying an electric field to the liquid crystal layer; and an alignment control film placed on at least one of the pair of substrates, in which the alignment control film is formed of polyimide and a precursor of the polyimide, each of the polyimide and the precursor of the polyimide contains, as a material, a specific cyclobutanetetracarboxylic acid dianhydride derivative and aromatic diamine, and the alignment control film is provided with alignment capability by photo-alignment treatment. | 11-07-2013 |
20140046004 | LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - An IPS type liquid crystal display device superior in mass productivity and improved in image quality with a higher contrast ratio by decreasing the occurrence of defective display due to the disorder of the initial liquid crystal alignment by the liquid orientation control film and realizing stable alignment of liquid crystals comprises: a pair of substrates, at least one which is transparent; a liquid crystal layer disposed between the pair of substrates; a group of electrodes formed on at least one of the pair of substrates to apply an electric field to the liquid crystal layer; plural active elements connected to the group of electrodes; and an orientation control film disposed on at least one of the pair of substrates, wherein said orientation control film is made of a photosensitive polyimide and a polyamide acid ester and is given orientation control ability by being irradiated with substantially linearly polarized light. | 02-13-2014 |
20140104553 | Liquid Crystal Display Device - A liquid crystal display device includes first and second substrates, at least one of which is transparent, a liquid crystal layer which is disposed between the first and second substrates, a pixel electrode and a common electrode which are formed on one of the first and second substrates and which apply an electric field to the liquid crystal layer, a plurality of active elements which is connected to the pixel electrode and the common electrode, an alignment film which is disposed on at least one of the first and second substrates and has one surface contacting the liquid crystal layer, and an underlying layer which is disposed on at least one of the first and second substrates and contacts the other surface of the alignment film. The pixel electrode is laminated on the common electrode having a plane shape through an isolation film. | 04-17-2014 |
20140248445 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING SAME - A liquid crystal display is provided which is capable of reducing the occurrence of defective display due to variations in the initial alignment direction of a liquid crystal alignment control film in a liquid crystal display of an IPS scheme, realizing the stable liquid crystal alignment, providing excellent mass productivity, and having high image quality with a higher contrast ratio. The liquid crystal display has a liquid crystal layer disposed between a pair of substrates, at least one of the substrates being transparent, and an alignment control film formed between the liquid crystal layer and the substrate. At least one of the alignment control films | 09-04-2014 |
20140333885 | Liquid Crystal Display Device - A display device includes a first substrate having a plurality of TFTs, a passivation film, and a plurality of pixel electrodes, and a second substrate arranged with a gap with the first substrate. The passivation film has a plurality of contact holes, and the plurality of pixel electrodes are connected to the plurality of TFTs via the plurality of contact holes. The second substrate has a plurality of columnar spacers for ensuring the gap with the first substrate, and a plurality of columnar projections for misalignment prevention formed at positions corresponding to the contact holes. The number of the plurality of columnar projections is less than the number of the plurality of columnar spacers. | 11-13-2014 |
20150049271 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a pair of substrates at least one of which is transparent; a liquid crystal layer disposed between the pair of substrates; an electrode group formed on at least one substrate of the pair of substrates, for applying an electric field to the liquid crystal layer; a plurality of active elements connected to the electrode group; and a liquid crystal alignment film disposed on at least one substrate of the pair of substrates, in which the liquid crystal alignment film, which is formed by a photo-alignment process, contains polyimide formed using tetracarboxylic acid dianhydride and/or diamine each having a specific chemical structure. | 02-19-2015 |
20150062519 | ALIGNMENT FILM, COMPOSITION FOR FORMING ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display device including: a first substrate and a second substrate, one of which is transparent; a liquid crystal layer disposed between the first substrate and the second substrate; a group of electrodes for applying an electric field to the liquid crystal layer, which is formed on one of the first substrate and the second substrate; a plurality of active elements connected to the group of electrodes; and an alignment film disposed on one of the first substrate and the second substrate, wherein the alignment film contains a polyimide and a precursor of the polyimide, each of which is formed from a diamine and an acid anhydride, and the diamine contains a first diamine having an acidic group and a second diamine having a nitrogen atom-containing functional group other than two amino groups. | 03-05-2015 |