Abstract: Provided is a liquid crystal display device including a viewer-side polarizing plate 1, a liquid crystal cell 11, a backlight-side polarizing plate 21, and a backlight unit 31; in which a three-wavelength (RGB) backlight light source having a narrow half bandwidth of the light emission intensity spectrum is used, and the viewer-side polarizing plate includes, for example, a first absorption material which has a maximum value of absorbance in a wavelength range of 470 nm to 510 nm and has a peak of the absorbance full width at half maximum of which is 50 nm or lower.

Abstract: A liquid crystal display device having high transmittance and a high color reproduction region, which includes a backlight unit including a light conversion member; and a liquid crystal cell and in which the light conversion member includes a light conversion layer containing a fluorescent material and an optical film arranged on both surfaces of the light conversion layer, the optical film includes an optical thin film forming an air interface, and a layer directly adjacent to the optical thin film, the liquid crystal display device satisfies n(535)<nu(535), n(535)×d is in a specific range, transmittance of a laminated body of the optical thin film and the layer directly adjacent to the optical thin film is in a specific range, and the backlight unit emits blue light, green light, and red light.

Abstract: A liquid crystal display device, in which a backlight unit, a light conversion member, a selective reflection member, a liquid crystal cell, and a display-side polarizer are disposed in this order, the backlight unit includes a light source that emits unpolarized light having a light emission central wavelength in a wavelength range of 300 nm to lower than 430 nm, the selective reflection member reflects 60% to 100% of the unpolarized light entering the selective reflection member and transmits at least some of light in a wavelength of higher than 430 nm to 650 nm, and the light conversion member includes an aligned fluorescent material that emits blue, green and red light which are linearly polarized in a vibration direction parallel to an absorption axis of the display-side polarizer, is improved in terms of the front surface luminance.

Abstract: Provided is a liquid crystal display device including a liquid crystal cell 21, a backlight side polarizer 12, an optical thin film 1 which forms an air interface, and a backlight unit 31, in this order. The liquid crystal display device satisfies n (535)<nu (535) and n (535)×d is 1.15-1.25 ?m, 1.42-1.52 ?m or 1.69-1.79 ?m in which n (535) and nu (535) represent a refractive index of the optical thin film and a layer directly adjacent to the optical thin film, respectively, and d represents a thickness of the optical thin film. The liquid crystal display device is capable of matching a peak of light transmittance to light emission peak wavelength of emission line light of RGB.

Abstract: A liquid-crystal display device having a backlight unit emitting unpolarized blue light, a light conversion member, a polarization separating member, a backlight-side polarizer, a liquid crystal cell, and a display-side polarizing plate wherein the polarization separating member separates the unpolarized blue light into blue transmitted light and blue reflected light which are linearly polarized in vibration directions that are orthogonal to each other, and transmits some of light in a wavelength range each of 500 nm to 600 nm and 600 nm to 650 nm, the light conversion member includes a fluorescent material that, due to blue light entering the light conversion member, emits green light which is linearly-polarized light and red light which is linearly-polarized light; and a transmission axis of the backlight-side polarizer is parallel to vibration directions of the green and red light, is improved in terms of front surface luminance and color reproduction region.

Abstract: An optical sheet member includes a polarizing plate including a polarizer (A); an optical conversion member (D); and a brightness enhancement film including a reflection polarizer (B), in which the brightness enhancement film has a reflection center wavelength range of 400 nm to 500, and the optical conversion member (D) converts a part of blue light which is transmitted through polarizer (B) and is incident on the optical conversion member (D), and has an emission center wavelength range of 400 nm to 500 nm and which has an emission center wavelength range of 500 nm to 600 nm and red light which has an emission center wavelength range of 600 nm to 700 nm, and transmits a part of the blue light. When the optical sheet member is incorporated in an image display device, front brightness, contrast, and a color reproducing region are enhanced, and color unevenness is reduced.

Abstract: An optical sheet member includes a polarizing plate including a polarizer, a brightness enhancement film including a reflection polarizer, and a ?/4 plate, in which the reflection polarizer includes a first light reflecting layer which has a reflection center wavelength range of 430 nm to 480 nm, and is formed by fixing a cholesteric liquid crystalline phase emitting circular polarization light, a second light reflecting layer which has a reflection center wavelength range of 500 nm to 600 nm, and a third light reflecting layer which has a reflection center wavelength range of 600 nm to 650 nm, and both formed by fixing a cholesteric liquid crystalline phase emitting circular polarization light, and the brightness enhancement film includes the ?/4 plate satisfying 550 nm/4-25 nm<Re(550)<550 nm/4+25 nm between the polarizer and the reflection polarizer.

Abstract: The invention relates to a liquid crystal display utilizing a vertically aligned state of liquid crystal molecules when no voltage is applied and to a method of manufacturing the same. The liquid crystal display includes a monofunctional monomer having a structure expressed by X-R (where X represents an acrylate group or a methacrylate group, and R represents an organic group having a steroid skeleton). A liquid crystal material is sandwiched between substrates which is then irradiated with ultraviolet rays to cure the monofunctional monomer, thereby forming a polymer film at an interface of a substrate. The monofunctional monomer has a hydrophobic skeleton such as an alkyl chain and a photoreactive group on one side of the skeleton.

Abstract: A liquid crystal device including a first substrate including a plurality of picture elements; a second substrate including a common electrode; and a liquid crystal layer sandwiched therebetween. The first substrate and the second substrate are arranged to be opposite to each other, and each of the plurality of picture elements has a plurality of elongated electrodes configured to apply voltages to the liquid crystal layer in cooperation with the common electrode. The elongated electrodes within one of the plurality of picture elements extend in eight directions, and each of the plurality of picture elements is divided into eight regions based upon the eight directions. In each of the eight regions of one of the plurality of picture elements, two or more of the plurality of elongated electrodes extend along a corresponding one of the eight directions.

Abstract: In accordance with a method of manufacturing a liquid crystal display device including, in a picture element, a first sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth1 and a second sub-picture-element region where a threshold voltage of the transmittance-applied voltage characteristic is Vth2, liquid crystal, which polymerizable components are added to, is filled into the space between a first and a second substrates; thereafter, a voltage V1 slightly higher than the threshold voltage Vth1 is applied to a liquid crystal layer, and is held for a certain length of time; subsequently, a voltage V2 slightly higher than the threshold voltage Vth2 is applied to the liquid crystal layer, and is held for a certain length of time; additionally, a voltage V3 higher than a white-displaying voltage which is applied while the liquid crystal display device is in actual use is applied to the liquid crystal layer, and is held for a certain length of time; then, t

Abstract: A liquid crystal display device according to the present invention is constituted of a TFT substrate and an opposing substrate which are arranged so as to be opposite to each other with a liquid crystal layer interposed therebetween. In addition, in the liquid crystal layer, formed is a polymer into which a polymer component added to liquid crystal is polymerized, and which determines directions in which liquid crystal molecules tilt when voltage is applied. In the TFT substrate, formed are a sub picture element electrode directly connected to a TFT and a sub picture element electrode connected to the TFT through capacitive coupling. In each of these sub picture element electrodes, formed are slits extending in directions respectively at angles of 45 degrees, 135 degrees, 225 degrees and 315 degrees to the X axis.

Abstract: A liquid crystal display device including a first and second substrates and a liquid crystal layer. The first substrate includes a plurality of picture elements, and at least one of the plurality of picture elements includes: a switching element; a plurality of gate bus lines extending in a first direction and electrically connected to the switching element; a plurality of data bus lines extending in a second direction and electrically connected to the switching element; a first sub picture element electrode and a second sub picture element electrode disposed adjacent to the first sub picture element electrode with a gap therebetween, and a control electrode overlapping both the first and second sub picture element electrodes. The control electrode extends in the second direction. Each of the first and second sub picture element electrodes includes a cross-shaped connecting electrode part and microelectrode parts extending from the connecting electrode part.

Abstract: The invention relates to a liquid crystal display utilizing a vertically aligned state of liquid crystal molecules when no voltage is applied and to a method of manufacturing the same. The liquid crystal display includes a monofunctional monomer having a structure expressed by X—R (where X represents an acrylate group or a methacrylate group, and R represents an organic group having a steroid skeleton). A liquid crystal material is sandwiched between substrates which is then irradiated with ultraviolet rays to cure the monofunctional monomer, thereby forming a polymer film at an interface of a substrate. The monofunctional monomer has a hydrophobic skeleton such as an alkyl chain and a photoreactive group on one side of the skeleton.

Abstract: Disclosed is a liquid crystal display device, wherein u?on axis and v?on axis, u?max and v?max, and u?min and v?min satisfy following expressions (1), (2) and (3): u ave ? = ( u max ? - u min ? 2 ) , v ave ? = ( v max ? - v min ? 2 ) ( 1 ) ? ? ? u ? ? v ave - on ? ? axis ? = ( u ave ? - u on ? ? axis ? ) 2 + ( v ave ? - v on ? ? axis ? ) 2 ? 0.04 ( 2 ) 0.35 ? v on ? ? axis ? ? 0.55 ( 3 ) wherein u?on axis and v?on axis are hues in a black state observed in a front direction; u?max and v?max are maximum values of u? and v? in a black state among values observed in directions with an azimuth angle ranging from 0° to 360° and a polar angle of 60°; and u?min and v?min are minimum values of u? and v? in a black state among values observed in directions with an azimuth angle ranging from 0° to 360° and a polar angle of 60°.

Abstract: A liquid crystal display utilizing a vertically aligned state of liquid crystal molecules when no voltage is applied and to a method of manufacturing the same. Objectives include providing a liquid crystal display and a method of manufacturing the same in which the existing step for forming vertical alignment films can be omitted to achieve a cost reduction. The liquid crystal display includes a monofunctional monomer having a structure expressed by X—R (where X represents an acrylate group or a methacrylate group, and R represents an organic group having a steroid skeleton). A liquid crystal material is sandwiched between substrates, which are then irradiated with ultraviolet rays to cure the monofunctional monomer, thereby forming a polymer film at an interface of a substrate. The monofunctional monomer has a hydrophobic skeleton such as an alkyl chain and a photoreactive group on one side of the skeleton.

Abstract: The technology presented herein has a feature of providing a liquid crystal display device of an excellent viewing angle characteristic and high brightness, including: liquid crystals containing polymerizable monomers between a first substrate with a pixel electrode having micro slits and a second substrate facing the first substrate; wherein the monomers are polymerizable with voltage applied to the liquid crystals; and an alignment orientation of the liquid crystals is controllable to a direction of extending the micro slit, wherein the pixel electrode includes: a direct coupling part electrically connected to a switching element; a capacitive coupling part electrically insulated from the switching element, and a space between the direct and capacitive coupling parts, wherein directions in which the micro slits are extended along the direct and capacitive coupling parts are orthogonal to each other.

Abstract: A liquid crystal display device comprising a liquid crystal layer including liquid crystal molecules provided between a first substrate and a second substrate; pixels forming a display area; electrodes for applying a voltage across the liquid crystal layer within each of the pixels; a plurality of domain regulating structures for dividing orientations of the liquid crystal molecules and forming multiple domains within each of the pixels, when a predetermined voltage is applied across the liquid crystal layer within each of the pixels. The device also includes a structure which is formed in an outer area located next to the display area, but that does not overlap the display area, and is substantially the same as at least one of the plurality of domain regulating structures.

Abstract: The technology presented herein has a feature of providing a liquid crystal display device of an excellent viewing angle characteristic and high brightness, including: liquid crystals containing polymerizable monomers between a first substrate with a pixel electrode having micro slits and a second substrate facing the first substrate; wherein the monomers are polymerizable with voltage applied to the liquid crystals; and an alignment orientation of the liquid crystals is controllable to a direction of extending the micro slit, wherein the pixel electrode includes: a direct coupling part electrically connected to a switching element; a capacitive coupling part electrically insulated from the switching element, and a space between the direct and capacitive coupling parts, wherein directions in which the micro slits are extended along the direct and capacitive coupling parts are orthogonal to each other.

Abstract: A liquid crystal display device including first and second substrates; liquid crystal contained between the substrates; a polymer which determines directions in which liquid crystal molecules tilt; a plurality of gate and data bus lines; and a plurality of picture elements. At least one of the picture elements includes a switching element, and first and second sub picture element electrodes. The first sub picture element electrode connects to the switching element and the second sub picture element electrode connects, via capacitive coupling, to the switching element. The first substrate further includes a control electrode that is connected to the switching element and the first sub picture element electrode. The control electrode is capacitively coupled to the second sub picture element electrode through an insulating film. The area of the second sub picture element electrode is larger than the area of the first sub picture element electrode.

Abstract: The technology presented herein has a feature of providing a liquid crystal display device of an excellent viewing angle characteristic and high brightness, including: liquid crystals containing polymerizable monomers between a first substrate with a pixel electrode having micro slits and a second substrate facing the first substrate; wherein the monomers are polymerizable with voltage applied to the liquid crystals; and an alignment orientation of the liquid crystals is controllable to a direction of extending the micro slit, wherein the pixel electrode includes: a direct coupling part electrically connected to a switching element; a capacitive coupling part electrically insulated from the switching element, and a space between the direct and capacitive coupling parts, wherein directions in which the micro slits are extended along the direct and capacitive coupling parts are orthogonal to each other.