100results about How to "Suppress display unevenness" patented technology

In a liquid crystal display (10) having a curved display surface, long sides of pixel structures (11) are arranged along the curve direction (Y) of the display surface and on a side of counter substrate provided is a black matrix having a black matrix opening (41a) whose length in the curve direction (Y) is not longer than E−L {(T1/2)+(T2/2)+d}/R, assuming that the length of the display surface in the curve direction (Y) is L, the thickness of an array substrate is T1, the thickness of the counter substrate is T2, the size of the gap between the array substrate and the counter substrate is d, the radius of curvature of the curved display surface is R and the length of a long side of a pixel electrode (29) provided in each of the pixel structures (11) is E. It thereby becomes possible to suppress display unevenness resulting from positional misalignment of the two substrates due to curvature and provide a liquid crystal display achieving a high-quality display image.

A display unevenness correction apparatus for use in the manufacture of an LCD display including an LCD panel having display pixels arranged in rows and columns, the apparatus including: a luminance meter which measures a luminance of the LCD panel while the LCD panel is being illuminated to obtain a luminance; a block luminance calculation unit which segments the luminance map into first blocks and calculate, for each of the first blocks, a block luminance of the first block using luminances included in the first block, the block luminance representing the luminances included in the first block; an interpolation unit which calculates a target luminance for each of the display pixels, using a corresponding one of the block luminances; and a correction gain calculation unit which calculates a correction coefficient for each display pixel using the target luminance.

Disclosed is a backlight unit, including: a case having a frame shape; a light guide plate fixed to the case; a light source located on the side of the light guide plate; a reflective sheet located on the rear of the light guide plate; an EMI protection sheet for covering at least a flexible board located on the rear of the reflective sheet; and a protective sheet located between the reflective sheet and the flexible board, for preventing deformation of the reflective sheet, wherein the EMI protection sheet is bonded to the flexible board and the protective sheet, whereby the flexible board is fixed to the protective sheet.

The first and second chips are provided side by side. The first chip includes: a current supply section for outputting a drive current, the current supply section including a current mirror; a current distribution MISFET; a current input MISFET for transmitting an electric current to the current supply section, the current input MISFET being connected to the current distribution MISFET; and a second current distribution MISFET. The current distribution MISFET and the second current distribution MISFET constitute a current mirror. The second chip includes a second current input MISFET which is connected to the second current distribution MISFET. The ratio between the W/L ratio of the current distribution MISFET and the W/L ratio of the current input MISFET connected thereto is the same in the first and second chips.

A pressure-sensitive adhesive optical film of the present invention comprises: an optical film comprising a transparent base film and a discotic liquid crystal layer provided on one side of the transparent base film; an undercoat layer; and a pressure-sensitive adhesive layer provided on the discotic liquid crystal layer with the undercoat layer interposed therebetween, the undercoat layer comprises a polymer and an antioxidant; and the pressure-sensitive adhesive layer comprises a (meth)acrylic polymer (A) comprising 80 to 99.5% by weight of an alkyl (meth)acrylate monomer unit and 0.05 to 3% by weight of a hydroxyl group-containing monomer unit and having a weight average molecular weight of 1,000,000 to 2,500,000; a (meth)acrylic oligomer (B) comprising 80 to 99.9% by weight of an alkyl (meth)acrylate monomer unit and 0.1 to 3% by weight of a carboxyl group-containing monomer unit and having a weight average molecular weight of 3,000 to 8,000; a crosslinking agent (C); and a silane coupling agent (D), and the pressure-sensitive adhesive layer comprises 10 to 40 parts by weight of the (meth)acrylic oligomer (B) based on 100 parts by weight of the (meth)acrylic polymer (A). The pressure-sensitive adhesive optical film has durability and can suppress display unevenness in a peripheral portion of a display screen and window frame unevenness in a state that a backlight is on.

There are provided a polarizing plate laminated with a retardation layer, a liquid crystal panel and a liquid crystal display apparatus each being excellent in screen contrast and being capable of suppressing display unevenness occurring in high-temperature environment. The polarizing plate laminated with a retardation layer includes a pressure-sensitive adhesive layer, a retardation layer including a resin layer and an inclined alignment layer and a polarizer, in this order.

A pressure-sensitive adhesive optical film of the present invention comprises: an optical film comprising a transparent base film and a discotic liquid crystal layer on one side of the transparent base film; and a pressure-sensitive adhesive layer that is provided on the discotic liquid crystal layer, wherein the pressure-sensitive adhesive layer is made from a pressure-sensitive adhesive containing an acrylic polymer comprising an alkyl(meth)acrylate (a1) and a ring structure-containing (meth)acrylate (a2) as monomer units and having a weight average molecular weight of 1,000,000 to 3,000,000, and a crosslinking agent. The pressure-sensitive adhesive optical film has durability and can be prevented from causing display unevenness in a peripheral portion of a display screen.

The optical film with a pressure sensitive adhesive comprises an optical film including a polarizing plate, a first pressure sensitive adhesive layer provided on first main surface of the optical film, and a second pressure sensitive adhesive layer provided on second main surface of the optical film. The first pressure sensitive adhesive layer has a thickness of 30 μm or more. In the first pressure sensitive adhesive layer, a fluidity of a pressure sensitive adhesive at an end surface is lower than a fluidity of the pressure sensitive adhesive at an in-plane central part.

To provide a display device which can perform external correction in parallel with display operation. The display device includes a plurality of pixels arranged in a matrix and a plurality of reading circuits provided outside the pixels. Each of the pixels includes a light-emitting element and a transistor which supplies current to the light-emitting element. In the display device, in a blanking period of the display device, a row in which all the pixels are displayed in black is selected so that a reading signal is input thereto; data on current characteristics of the transistors included in the pixels in the selected row is read out, and at the same time, display is performed in pixels in rows other than the selected row; and a signal for black display is input in the selected row so that the pixels in the row are displayed in black.

An OCB mode liquid crystal display panel comprises a pair of electrode substrates, a liquid crystal layer which is held between the pair of electrode substrates and has liquid crystal molecules whose alignment state is controlled within a display area by a drive voltage applied from the electrode substrates, and a pair of alignment films which are disposed on the electrode substrates in contact with the liquid crystal layer and whose rubbing directions are set parallel to each other. The rubbing directions of the pair of alignment films are oriented toward a side of a main diffusion source of impurity ions.

A liquid crystal display device includes first and second substrates which have opposed surfaces respectively provided with aligning films and have undergone aligning treatments such that aligning treatment directions are parallel and opposite between the films, and a liquid crystal layer made of a liquid crystal having a negative dielectric anisotropy and placed between the substrates such that molecular long axes of the liquid crystal are oriented parallel to surfaces of the substrates. The first substrate includes a first conductive layer in which elongated slits obliquely crossing the aligning treatment direction are formed parallel to each other, and a second conductive layer formed on a layer different from the first layer through an insulating layer so as to overlap the slits and overlap at least part of the first layer. Each slit includes first and second linear portions extending in different directions at angles line-symmetrical to the aligning treatment direction.

The invention provides a pattern flaw inspection method that inspects the flaw produced in the repeating pattern of an inspection target with the repeating pattern wherein the unit pattern is cyclically arranged. The method has a step of irradiating the repeating pattern with a light at a predetermined incident angle to produce diffracted light; a step of detecting the diffracted light from the repeating pattern to form an image; and a step of observing the image formed by the detection of the diffracted light so as to detect the flaw produced in the repeated pattern. In the step of detecting the diffracted light to make the image form, the ultrahigh order diffracted light of 45th order through 1,600th order in the absolute value for the diffracted light from among the repeating pattern is detected.

A display device which can perform external correction in parallel with display operation is provided. The display device includes pixels arranged in a matrix and a reading circuit provided outside the pixels. The pixels each include a light-emitting element and a transistor that supplies a current to the light-emitting element. In this display device, in the case where all of a plurality of specific pixels are displayed in black, variation in current characteristics of a driving transistor is corrected by reading out data on current characteristics of the driving transistor included in a predetermined pixel among the plurality of pixels in an address period.

The invention relates to a polarizing plate with an adhesive and an image display device. The polarizing plate (1) with the adhesive comprises a polarizer (11) comprising an iodine-containing polyvinyl alcohol film, a transparent protective film (15) attached to the first main surface of the polarizer and a front side adhesive sheet (20) which is arranged in a manner of being in contact with a second main surface of the polarizer. The front-side adhesive sheet is a laminated adhesive sheet obtained by laminating at least two layers of adhesive layers, and is provided with a first adhesive layer (21) which is arranged in a manner of being in contact with the polarizer and a second adhesive layer (22) disposed so as to be spaced apart from the polarizer. Preferably, the energy storage elastic modulus G '80 at 80 DEG c of the front side adhesive sheet is 1 * 105 pa or less, and the humidity of the first adhesive layer is preferably 150 g/m2 .24 hours or less.