Patent application number | Description | Published |
20080218461 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device in which: there are provided lenticular lenses | 09-11-2008 |
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 |
20090066880 | LIQUID CRYSTAL DISPLAY DEVICE - An object of the present invention is to provide a simply configured liquid crystal display device capable of providing a high front luminance when light obliquely enters a micro lens array. The liquid crystal display device comprises: a pair of polarizing plates which sandwich a pair of substrates; a liquid crystal layer sandwiched by the pair of substrates; transmission openings formed in a pixel to limit the quantity of light which penetrates the liquid crystal layer; condensing elements formed on the side of one of the substrates, opposite to the side on which the liquid crystal layer is disposed, to condense light to the transmission openings; and a planar light-emitting element which emits light to be applied to the condensing elements; wherein the light to be emitted from the planar light-emitting element forms a certain angle with respect to its perpendicular when emitted; and wherein the position of the transmission opening is relatively shifted with respect to that of the condensing element so as to increase the quantity of light which penetrates the transmission opening, in association with the light-emitting direction of the planar light-emitting element. | 03-12-2009 |
20090086466 | Planar Light Emitting Element, Image Display Element, and Image Display Device Using the Same - A planar light emitting element is capable of outputting light having high directivity in at least one direction. The planar light emitting element has a light guide plate and first and second low refractive index layers. Light incident on the light guide plate is totally reflected on the interface between the light guide plate and the second low refractive index layer, propagates in the light guide plate, and is output from the light guide plate to the first low refractive index layer through a light output opening section. When a refractive index of the first low refractive index layer is sufficiently smaller than a refractive index of the light guide plate, the light propagates in the light guide plate at a large angle with respect to a light output surface of the light guide plate. When the difference between the refractive indexes of the first and second low refractive index layers is small, a spreading angle of light output to the first low refractive index layer is small. The light having high directivity is reflected on a reflective mirror and output from the planar light emitting element. | 04-02-2009 |
20090115688 | Light Emitting Display - A light emitting display includes light-emitting devices in which unnecessary layers for the emission operation of the light-emitting device are removed in an emission region, and in a case where a wavelength of a light, of which an interference intensity to the light emitted from an emissive layer constituting the light-emitting device becomes a maximum value at 0 degree of a viewing angle, is λimax and a wavelength of the light becoming a maximum in a light intensity in relation to the light emitted from the emissive layer is λemax, a relationship of λimax<λλmax is satisfied, obtaining a light emitting display with a little variation in color over a wide range of viewing angles. | 05-07-2009 |
20090153781 | Liquid Crystal Display Device and Method of Manufacturing the Same - In a transflective liquid crystal display device including a transmission display portion and a reflection display portion, a dichroic ratio of a polarizing layer contained in a reflection region is increased to enhance display performance. The liquid crystal display device includes: the transmission display portion and the reflection display portion which are formed for each pixel; a reflective layer formed in the reflection display portion; a first substrate having a principal surface opposed to a liquid crystal layer; a second substrate opposed to the first substrate via the liquid crystal layer; and a polarizing layer formed above the reflective layer via an underlying layer thereof on the principal surface of the first substrate. The polarizing layer is made of chromonic liquid crystalline molecules, and an interface between the polarizing layer and the underlying layer has one of a siloxane structure and a silazane structure. | 06-18-2009 |
20090284693 | LIQUID CRYSTAL DISPLAY APPARATUS - This invention provides a transflective liquid crystal display apparatus using an isotropic liquid crystal applicable to various pixel sizes. | 11-19-2009 |
20100002173 | Liquid Crystal Display Device and Manufacturing Method for Same - An object of the present invention is to increase the dichroic ratio of the built-in polarizing layer in reflective regions so that the display performance improves in a semi-transmission type liquid crystal display device having a transmissive display portion and a reflective display portion. The present invention provides a liquid crystal display device having first and second substrates which face each other with a liquid crystal layer in between, where a transmissive region and a reflective region are formed in each pixel on the above described first substrate, as well as: a reflective layer formed in the above described reflective region on the above described first substrate; a polarizing layer formed on the above described first substrate on the liquid crystal layer side of the above described reflective layer from chromonic liquid crystal molecules; a pixel electrode formed on the above described first substrate on the liquid crystal layer side of the above described reflective layer and electrically connected to a source electrode of a thin film transistor; and a protective layer formed in the reflective region between the above described polarizing layer and the above described pixel electrode which makes contact with the above described polarizing layer. | 01-07-2010 |
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 |
20100123854 | OPTICAL SHEET, ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An illuminating device includes: a light guide plate for outputting light, which enters the light guide plate from one side surface, from a front surface of the light guide plate; an optical sheet disposed on the front surface of the light guide plate; and a reflection sheet disposed on a rear surface of the light guide plate. The optical sheet includes prism arrays which are provided on a surface of the optical sheet opposite to the light guide plate, and each of which has at least two inclined surfaces and a ridge line extending in one direction. The light guide plate changes a polarization state of light that is reflected by the surface of the optical sheet, is transmitted through the light guide plate, is reflected by the reflection sheet, is transmitted through the light guide plate again, and then enters the optical sheet. | 05-20-2010 |
20100134454 | Organic electroluminescent light emitting display device - In an organic electroluminescent light emitting display device comprising a plurality of pixels each of which includes an organic electroluminescent element emitting light by a current supplied thereto, a plurality of active elements including a first active element which acquires a data signal and a second active element which regulates the current supplied to the organic electroluminescent element in accordance with the data signal, and a capacitive element storing the data signal, the present invention utilizes a part of the capacitive element arranged in one of the pixels for a light shielding member which shields the plurality of active elements arranged the one of the pixels from light emitted by the organic electroluminescent element arranged therein or another pixel adjacent thereto so as to suppress image quality deterioration and smear appearing in an image display area of the organic electroluminescent light emitting display device. | 06-03-2010 |
20100220260 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel, a plurality of groups of light source units, a plurality of light guide plates, and a light source control circuit configured to control light amounts of the light source units. The plurality of light guide plates are configured to transmit light from the plurality of groups of the light source units. In each of the plurality of light guide plates, areas from which the transmitted light exiting toward the liquid crystal display panel differ from one another. One of the plurality of groups of the light source units paired with one of the plurality of light guide plates includes at least two light source units that are controlled in light amount independently. A number of the areas of the one of the plurality of light guide plates is at least a number of the light source units thereof. | 09-02-2010 |
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 |
20100259708 | POLARIZATION ELEMENT, METHOD FOR MANUFACTURING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a liquid crystal cell ( | 10-14-2010 |
20100277669 | ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is an illuminating device ( | 11-04-2010 |
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 |
20110007243 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including a liquid crystal panel including: a first substrate on which a plurality of drain lines and a plurality of gate lines are formed, the plurality of gate lines crossing the plurality of drain lines; a second substrate which is arranged opposite to the first substrate via a liquid crystal; and an optical anisotropic film formed on a side of one of the first substrate and the second substrate, the side not being in contact with the liquid crystal; in which a region surrounded by the plurality of drain lines and the plurality of gate lines serves as a pixel region, in which the optical anisotropic film is formed of molecules which chemically bond to one of the first substrate and the second substrate in an aligned state. | 01-13-2011 |
20110058128 | Liquid crystal display apparatus - An E-type polarizing layer is provided between a pair of orthogonally oriented O-type polarizing layers, and alternatively, an O-type polarizing layer and an E-type polarizing layer which are oriented orthogonal to each other are provided. When a liquid crystal layer has a slow axis, the E-type polarizing layer is disposed so that an absorption axis thereof is orthogonal to the slow axis. Therefore, a liquid crystal display device having a wide viewing angle is realized in which a contrast ratio is improved by suppressing a light leakage occurring when observed from an oblique direction. | 03-10-2011 |
20110116021 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes light source sections | 05-19-2011 |
20110194052 | DISPLAY DEVICE AND THIN FILM POLARIZER USED FOR DISPLAY DEVICE - In a display device which includes: a first substrate; a second substrate; and a thin film polarizer which is directly formed on a surface of the second substrate on a side opposite to the first substrate, the thin film polarizer includes a polarization element film and a protection layer which is laminated to the polarization element film, the polarization element film is made of an aligned lyotropic liquid crystal material, and the protection layer has a refractive index smaller than a refractive index of the polarization element film in a transmission axis direction. The protection layer may have a thickness smaller than a thickness of polarization element film. | 08-11-2011 |
20110221998 | ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An illuminating device includes: a light source; a light guide plate which converts light emitted from the light source into a surface light ray and emits the surface light ray through a front surface of the light guide plate; and an optical sheet which changes a propagation direction of the surface light ray emitted from the light guide plate. The light source is arranged in end surface different from the front surface in the light guide plate. A polarization state converting structure to convert a polarization state of the light propagating through the light guide plate is provided in a surface opposing the front surface in the light guide plate. The polarization state converting structure contains an inclination plane having a ridge line in a direction different from a direction in parallel to the longitudinal direction of the end surface. | 09-15-2011 |
20110260605 | Light Emitting Display - A color light emitting display includes light-emitting devices of a plurality of red, green and blue pixels disposed in a matrix form. The light-emitting display takes out light from a side opposite to a substrate on which the light-emitting devices are formed. A wavelength of the light, of which an interference intensity to the light emitted from an emissive layer constituting a part of one of said light-emitting devices becomes a maximum value at 0 degree of a viewing angle, is λimax, a wavelength of the light becomes a minimum value in the interference intensity is λimin, a wavelength of the light becomes a maximum in a light intensity in relation to the light emitted from said emissive layer is λemax, and a relationship of λimax<λemax and λimin≧λemax+70 nm, is satisfied for at least one color among red, green and blue. | 10-27-2011 |
20120008308 | LIGHTING UNIT AND DISPLAY PROVIDED WITH THE SAME - This lighting unit can control luminance in a plurality of block areas independently, and minimize luminance unevenness caused by discretely arrayed light sources, with a reduced number of parts. The lighting unit comprises: a light guide plate having a first and a second grooves formed therein; a first light source group accommodated in the first groove; and a second light source group accommodated in the second groove; the light guide plate having a first light mixing area, a first light emitting area and a second light mixing area; in the first light mixing area, the thickness of the light guide plate progressively increasing away from the first light source group; in the second light mixing area, the thickness of the light guide plate progressively increasing away from the second light source group; and in the first light emitting area, the light guide plate being flat-plate-like. | 01-12-2012 |
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 |
20120069272 | LIQUID CRYSTAL DISPLAY DEVICE - The backlight has an anisotropic diffusion sheet disposed between the reflective polarizing plate and the optical path converter. The anisotropic diffusion sheet includes a refractive index anisotropic diffusion sheet stretched in an absorption axis direction in which a concave-convex portion is formed on a surface of the reflective polarized plate, and an isotropic material part laminated on a surface of the concave-convex part. The isotropic material part has an isotropic reflective index. The refractive index of the isotropic material part is the same as the refractive index in the transmission axis direction perpendicular to a stretching direction of the refractive index anisotropic sheet. | 03-22-2012 |
20120127146 | Organic Electroluminescent Light Emitting Display Device - In an organic electroluminescent light emitting display device comprising a plurality of pixels each of which includes an organic electroluminescent element emitting light by a current supplied thereto, a plurality of active elements including a first active element which acquires a data signal and a second active element which regulates the current supplied to the organic electroluminescent element in accordance with the data signal, and a capacitive element storing the data signal, the present invention utilizes a part of the capacitive element arranged in one of the pixels for a light shielding member which shields the plurality of active elements arranged the one of the pixels from light emitted by the organic electroluminescent element arranged therein or another pixel adjacent thereto so as to suppress image quality deterioration and smear appearing in an image display area of the organic electroluminescent light emitting display device. | 05-24-2012 |
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 |
20120248476 | LIGHT EMITTING DISPLAY - A color light emitting display includes light-emitting devices constituting a plurality of red, green and blue pixels disposed in a matrix form on a substrate, said light-emitting display takes out light from a side of said light-emitting devices opposite to said substrate on which said light-emitting devices are formed, and wherein when a wavelength of the light having an interference intensity of which with respect to the light emitted from an emissive layer constituting said light-emitting device becomes a maximum value at 0 degree of a viewing angle is λimax, and a wavelength of the light becomes a maximum in a light intensity of the light emitted from said emissive layer is λemax, a relationship of λemax−50 nm≦λimax<λemax is satisfied. | 10-04-2012 |
20120320310 | LIGHTING DEVICE, DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A lighting device includes a light source | 12-20-2012 |
20130240863 | ORGANIC ELECTROLUMINESCENT LIGHT EMITTING DISPLAY DEVICE - In an organic electroluminescent light emitting display device comprising a plurality of pixels each of which includes an organic electroluminescent element emitting light by a current supplied thereto, a plurality of active elements including a first active element which acquires a data signal and a second active element which regulates the current supplied to the organic electroluminescent element in accordance with the data signal, and a capacitive element storing the data signal, the present invention utilizes a part of the capacitive element arranged in one of the pixels for a light shielding member which shields the plurality of active elements arranged the one of the pixels from light emitted by the organic electroluminescent element arranged therein or another pixel adjacent thereto so as to suppress image quality deterioration and smear appearing in an image display area of the organic electroluminescent light emitting display device. | 09-19-2013 |
20140374730 | ORGANIC ELECTROLUMINESCENT LIGHT EMITTING DISPLAY DEVICE - In an organic electroluminescent light emitting display device comprising a plurality of pixels each of which includes an organic electroluminescent element emitting light by a current supplied thereto, a plurality of active elements including a first active element which acquires a data signal and a second active element which regulates the current supplied to the organic electroluminescent element in accordance with the data signal, and a capacitive element storing the data signal, the present invention utilizes a part of the capacitive element arranged in one of the pixels for a light shielding member which shields the plurality of active elements arranged the one of the pixels from light emitted by the organic electroluminescent element arranged therein or another pixel adjacent thereto so as to suppress image quality deterioration and smear appearing in an image display area of the organic electroluminescent light emitting display device. | 12-25-2014 |
20150035738 | COLOR DISPLAY, LIQUID CRYSTAL DISPLAY, AND SEMI-TRANSMISSIVE LIQUID CRYSTAL DISPLAY - In a color display device, when using white (W) sub-pixels in addition to subpixels of red (R) and green (G) plus blue (B) without increasing a wiring line number, the per-color pixel number in a unit area decreases so that the image resolution is deteriorated. The area and number of subpixels are adjusted in accordance with the visual sensitivity or luminosity required. Practically, the area of red (R) and blue (B) subpixels which are relatively low in luminosity is set to be about two times greater than the area of green (G) and white (W) subpixels that are relatively high in luminosity while letting the number of green (G) and white (W) subpixels be twice the number of red (R) and blue (B) subpixels. A larger subpixel is configured from a plurality of unit subpixels. A smaller subpixel is formed of a one unit subpixel. | 02-05-2015 |