Patent application number | Description | Published |
20080198304 | LIQUID CRYSTAL DISPLAYING DEVICE - A transflective liquid crystal display device is arranged to make the overall structure thinner and enhance a reflecting contrast ratio. The transflective liquid crystal display includes a first substrate, a second substrate, a liquid crystal layer laid between the substrates, a first polarization plate located on the opposite side of the first substrate to the side where the liquid crystal layer is located, a second polarization plate located on the opposite side of the second substrate to the side where the liquid crystal layer is located, and a plurality of pixels formed between the substrates, each of the pixels having a reflective area and a transmissive area. An in-cell retardar is located between the second substrate and the liquid crystal layer. An optical compensation film is located between the first substrate and the first polarization plate, between the second substrate and the second polarization plate, or both. | 08-21-2008 |
20080239210 | LIQUID CRYSTAL DISPLAY DEVICE - In a transflective liquid crystal display device having a first substrate, a second substrate, a liquid crystal layer disposed between the two substrates and a reflective region and a transmissive region in each pixel; the second substrate has a pixel electrode to drive the liquid crystal layer and a common electrode; the reflective region of the second substrate is formed with an in-cell polarizer between the pixel electrode and common electrode and the reflector. In this invention, the thickness of the liquid crystal layer is set greater in the reflective region than in the transmissive region. The difference in the liquid crystal layer thickness between the reflective region and the transmissive region is provided by forming a step in the first substrate or the second substrate. | 10-02-2008 |
20090033848 | Liquid-Crystal Display Device - To provide a highly efficient liquid-crystal display device wide in viewing angle and minimized in color shifting. | 02-05-2009 |
20090251654 | LIQUID CRYSTAL DISPLAY DEVICE - An object of the present invention is to prevent the domain from being generated in the pixel end portions so that the transmittance can increase in an IPS type liquid crystal display device where the size of the pixels is extremely small. In the liquid crystal display device according to the present invention, the electrodes close to the liquid crystal layer have a comb-like structure having a linking portion only at one pixel end, the end portion of the comb-like structure has a structure for preventing the domain from growing, the width of the slits in the comb-like structure is greater than the width of the electrodes, and the alignment of the liquid crystal layer has such a pretilt angle that the liquid crystal rises from the end portion in the comb-like structure towards the root in the interface close to the electrode. | 10-08-2009 |
20100072880 | Light Emitting Display - The present invention provides light emitting displays which produce a bright image by efficiently emitting light radiated from a light-emitting thin-film layer to the viewer side, and also produces a high-quality image of high contrast ratio and changing in color to a limited extent over a wide viewing angle range even in a bright atmosphere. The light emitting displays are provided with a plurality of light-emitting devices | 03-25-2010 |
20100231826 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device with a backlight including a light guide plate. The light guide plate includes, a reflective polarizing plate for transmitting a P-polarized component and reflecting an S-polarized component, a reflector for reflecting the S-polarized component reflected by the reflective polarizing plate, and a polarization converting member for converting the S-polarized component to a P-polarized component. The reflective polarizing plate and the reflector are tilted at an angle such that reflecting surfaces thereof are not perpendicular to four sides of the liquid crystal display panel and are disposed such that the S-polarized component contained in a main component of light emitted from the light sources is reflected by the reflector. This keeps small the size of the liquid crystal display device and still improves reuse efficiency of the light emitted from the light sources. | 09-16-2010 |
20100289989 | OPTICAL ELEMENT AND DISPLAY DEVICE USING THE SAME - An optical element is arranged in such a manner that a screen thereof can be hardly observed from a predetermined direction, and a deterioration of an image quality caused by moire does not occur. The optical element is constituted by a first polarizing layer, a second polarizing layer, and a liquid crystal layer arranged between these two polarizing layers. In the optical element, absorption axes of the first polarizing layer and the second polarizing layer are located parallel to each other; the liquid crystal layer is made of hybrid-aligned discotic liquid crystal; and an alignment axis of the liquid crystal layer is located parallel to, or perpendicular to both absorption axes of the first polarizing layer and of the second polarizing layer. | 11-18-2010 |
20100309419 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a first substrate; a second substrate; a liquid crystal layer sandwiched between the first and the second substrates; a first polarization plate placed on a side of the first substrate; a second polarization plate placed on a side of the second substrate; and a pixel electrode and a common electrode which are provided on the side of the second substrate on which the liquid crystal layer is placed, in which: at least one of the pixel electrode and the common electrode is interdigital; and the liquid crystal layer has flexoelectric coefficients e | 12-09-2010 |
20110025935 | LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display device capable of decreasing the driving voltage of a liquid crystal display panel. The liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; and a pixel electrode and a common electrode arranged between the second substrate and the liquid crystal layer. Either one of the pixel electrode or the common electrode has an interdigital shape. An absolute value of both flexoelectric coefficients e | 02-03-2011 |
20110211149 | TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer formed between the first substrate and the second substrate, and a transistor formed in a pixel. A first insulating layer is formed over the transistor, a first electrode is formed on the first insulating layer, a second insulating layer is formed on the first electrode, a second electrode is formed on the second insulating layer, and the first electrode has a plane shape and the second electrode has a line shape portion. | 09-01-2011 |
20110285949 | Transflective Liquid Crystal Display Device - A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer formed between the first substrate and the second substrate, and a transistor formed in a pixel. A first insulating layer is formed over the transistor, a first electrode is formed on the first insulating layer, a second insulating layer is formed on the first electrode, a second electrode is formed on the second insulating layer, and the first electrode has a bumpy plane shape and the second electrode has a line shape portion. | 11-24-2011 |
20120021143 | DISPLAY DEVICE - A display device capable of improving the contrast ratio and having a polarizing layer formed by applying shear stress to a material containing a dye having a lyotropic liquid crystallinity to align the molecule of the dye, wherein the display device has an underlayer film forming a base for the polarizing layer, the molecule of the dye has a sulfo group, and the underlayer film comprises a material having a basic surface functional group. | 01-26-2012 |
20120176563 | LIQUID CRYSTAL DISPLAY DEVICE - The TFT substrate includes a pixel electrode and a common electrode laminated one on top of another via an insulating layer, one of the pixel electrode and the common electrode provided farther from the liquid crystal layer being formed into a plane shape, and another of the pixel electrode and the common electrode provided closer to the liquid crystal layer having slits formed therein, each of the plurality of slits having a closed end portion. The liquid crystal display panel further includes a reflection portion for reflecting light, the reflection portion being formed at a surface of the liquid crystal display panel on the illumination device side in a portion which overlaps, in plan view, the end portion of the each of the slits in the long-side direction and a vicinity thereof, and a part of an inner region of the each of the slits. | 07-12-2012 |
20120257156 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate provided with first and second electrodes, and a second substrate disposed to be opposite to the first substrate via a liquid crystal layer. Regions of pixels each having the first and second electrodes are arranged in a matrix, and the liquid crystal layer is driven by an electric field in an in-plane direction of the first substrate, applied between the first and second electrodes. A step difference is formed at an opposite side of the first substrate for each of the pixel regions. The first or second electrode includes a wall-shaped electrode formed at a side wall surface of the step difference and a planar electrode formed from an edge of the wall-shaped electrode along the main surface of the first substrate. The wall-shaped electrode and the planar electrode are electrically connected to each other. | 10-11-2012 |
20130016314 | LIQUID CRYSTAL DISPLAY DEVICEAANM ITOU; OsamuAACI HitachiAACO JPAAGP ITOU; Osamu Hitachi JPAANM Hiratsuka; TakatoAACI ChibaAACO JPAAGP Hiratsuka; Takato Chiba JP - A liquid crystal display device having a second substrate and a first substrate that is placed so as to face the above-described second substrate with pixel regions aligned in a matrix is provided with: protrusions that are formed on pixel boarders and protrude from the second substrate on the liquid crystal side; first electrodes made of sidewall electrodes formed on sidewalls of protrusions and a lower end side electrode extending from the sidewall electrodes on the bottom side; and second electrodes made of a first linear electrode formed within a pixel region and a second linear electrode that is formed on the second substrate and faces the first linear electrode. | 01-17-2013 |
20130033653 | LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display device including a first capacitive electrode and a second capacitive electrode. Among the capacitive electrodes, a side edge portion of the first capacitive electrode formed in a level, which is closer to the liquid crystal layer, on the side of the pixel display portion is formed so as to be further retreated than a side edge portion of the second capacitive electrode formed in a level, which is further from the liquid crystal layer, on the side of the pixel display portion. A second convex formed in a region overlapping with a corner and a side edge portion of the retreating region or a region between a side edge portion of the retreating region and the other capacitive electrode and extending in a shorter-side direction of the pixel is further provided. | 02-07-2013 |
20130323997 | METHOD OF MANUFACTURING A DISPLAY DEVICE - Provided is a method of manufacturing a display device that includes a structure formed so as to protrude at least in a normal direction of a first substrate, and an electrode formed in a side wall surface of the structure, the method including: forming a transparent conductive film for the electrode; forming a low-affinity material having a low affinity for a resist film on an upper surface of the transparent conductive film formed in a head surface of the structure; forming a resist film by applying a liquid resist material to an upper layer of the transparent conductive film and then fixing the resist material; forming an opening that exposes the transparent conductive film in the resist film by removing the low-affinity material; etching the transparent conductive film which is a lower layer using the resist film as a protective film; and removing the resist film. | 12-05-2013 |
20140036209 | LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display device having wall structures, the generation of low-temperature shock bubbles is suppressed. Also, electrodes and the like within substrates are prevented from being damaged during manufacturing. The liquid crystal display device includes a first substrate, a second substrate that is disposed to face the first substrate, a liquid crystal layer that is disposed between the first substrate and the second substrate, wall structures that are formed on the first substrate, pixel electrodes that are disposed on at least side wall of the wall structures, a common electrode that is formed on the first substrate, and a plurality of pixels including the pixel electrodes and the common electrode, in which higher portions are partially disposed on a surface of the second substrate, and the higher portions come into contact with the wall structures to bring the first substrate into contact with the second substrate. | 02-06-2014 |